Category: bengkel bubut

Proses permesinan atau machining (Diktat Lab Sistem Manufaktur, 2005) merupakanterminologi generik yg dipakai buat mendeskripsikan sebuah proses penghilangan material. Proses permesinan dibagi sebagai 2 yakni :

1. Traditional Machining : turning, milling, drilling, grinding, dll.dua. Non-traditional machining: chemical machining, ECM, EDM, EBM, LBM, machining dari material non-metallic.

Proses machining adalah proses yg banyak dipakai buat proses pembentukan produk, hal ini dikarenakan proses permesinan mempunyai keunggulan-keunggulan dibanding proses pembentukan lainnya (casting, powder metallurgy,bulk deformation) yaitu:

1. Keragaman material kerja yg bisa diproses* Hampir seluruh logam dapat dipotong* Plastik & plastik komposit pula dapat dipotong* Ceramic sulit buat dipotong (keras & getas)

1. Keragaman geometri potong

* Fitur baku: lubang, slot, step dll* Fitur non-baku: tap hole, T slot

1. Keakuratan dimensi1. Toleransi sampai ± 0.025mm2. Permukaan pangkas yg baik1. Kekasaran bagian atas sampai 0.4 mm

Jenis- Jenis Proses Permesinan bersama prinsip kerjanyaProses permesinan (Diktat Lab Sistem Manufaktur, 2005) merupakan proses manufaktur dimana objek dibuat dengan cara membuang atau meghilangkan sebagian material menurut benda kerjanya. Tujuan digunakan proses permesinan merupakan buat mendapatkan akurasi dibandingkan proses-proses yang lain misalnya proses pengecoran, pembentukan dan pula buat menaruh bentuk bagian dalam dari suatu objek tertentu. Adapun jenis-jenis proses permesinan yg banyak Jasa Machining Medan dilakukan adalah: Proses bubut (turning), proses menyekrap (shaping & planing), proses pembuatan lubang (drilling), proses mengefreis (milling), proses menggerinda (grinding), proses menggergaji (sawing), &  proses memperbesar lubang (boring)

1. Proses Bubut (Turning)

Proses cabut (turning) merupakan proses produksi yg melibatkan  beragam mesin yg dalam prinsipnya merupakan pengurangan diameter dari benda kerja. Proses-proses pengerjaan pada mesin cabut secara umum dikelompokkan sebagai dua yaitu: proses mutilasi kasar & mutilasi halus atau semi halus. Jenis mesin ini bermacam-macam & adalah mesin perkakas yang paling banyak digunakan di global serta paling poly membuat berbagai bentuk komponen-komponen sinkron peralatan.  Pada mesin ini, gerakan pangkas dilakukan sang benda kerja dimana benda ini dijepit & diputar sang spindel sedangkan mobilitas makan dilakukan sang pahat menggunakan gerakan lurus. Pahat hanya berkecimpung dalam sumbu XY.

dua. Proses Menyekrap ( Shaping & Planning)Pada proses permesinan ini hanya dapat memotong menurut garis lurus dengan jenis/tipe mutilasi yg sama dan selalu memotong hanya dalam satu arah, sehingga langkah pulang merupakan langkah terbuang (ketika terbuang). Proses menyekrap menggunakan tool yg lebih keras menurut benda kerja.

Shaper merupakan mesin yg dipakai buat menghasilkan benda yang memilki dimensi relatif lebih miniapabila dibandingkan menggunakan planer. Gerak potang dalam mesin shaper dilakukan sang pahat yg melekat pada ram, sedangkan mobilitas makan dilakukan oleh benda kerja (meja).

Planer merupakan mesin yang digunakan buat memproduksi benda yg besar& berat. Gerak potong dilakukan sang benda kerja, sedangkan gerak makan dilakukan sang pahat.

3. Mesin Gurdi (Drilling Machine)

Pada mesin Gurdi pahat pangkas yang dipakai berupa twist drill yg Jasa Machining Medan terdiri menurut 2 atau lebih pahat potong tunggal, sehingga dikelompokkan menjadi pahat bermata potong banyak. Gerakan memotong & memahat dilakukan oleh pahat.

4. Mesin Freis (Milling Machine)

Pada proses Freis, prinsip dasar yang dipakai adalah terlepasnya logam (geram) oleh gerakan pahat yg berputar. Mesin ini dapat melakukan pekerjaan seperti memotong, menciptakan roda gigi, menghaluskan bagian atas, & lain-lain. Prinsip kerja dari proses milling merupakan pemotongan benda kerja dengan memakai pahat bermata majemuk yang bisa menghasilkan sejumlah geram. Benda kerja diletakkan di meja kerja kemudian, dipasang pahat potong dan disetel kedalaman potongnya. Setelah itu, benda kerja didekatkan ke pahat pangkas dengan pompa berulir, untuk melakukan gerak memakan sampai dihasilkan benda kerja yang diinginkan.

5. Mesin Gerinda (Grinding Machine)

Prinsip kerja dari menggerinda merupakan menggosok, menghaluskan menggunakan gesekan atau mengasah, umumnya proses grinding dipakai buat proses finishing pada proses pengecoran. Mesin gerinda dibedakan  sebagai beberapa macam antara lain:

a. Face Grinding jenis serut (reciprocating table), umumnya dipakai buat design sindle vertikal, buat roda gigi, dan buat pengerjaan permukaan datar.

b. Face Grinding jenis meja kerja putar (rotating table) yg digunakn buat pengerjaan luar misalnya memperbaiki cxetkan & bagian atas panjang.

c. Gerinda silindris ( Cylindrical Grinding ) gerinda ini dipakai buat mengerinda permukaan silindris, meskipun demikian pekerjaan tirus yang sederhana bisa pula dikerjakan. Gerakan silindris bisa dikelompokkan dari metode penyangga meja kerja, yaitu gerinda menggunakan sentra dan gerinda tanpa pusat.

Mesin gergaji adalah suatu mesin yang sangat sederhana dan banyak dipakai buat memotong logam atau non logam.

7. Mesin pembesar lubang (Broaching)

Proses Broaching dalam dasarnya hampir sama menggunakan proses gergaji, hanya tidak selaras dalam bentuk pahat potongnya. apabila dalam mesin gergaji pemakan atau pemotong benda kerja sang satu sisi pahat, namun pada mesin broaching dalam keseluruhan berdasarkan sisi pahat pangkas.

Prinsip Kerja Mesin Milling & TurningMenurut (kalpakjan,2005) proses permesinan yang akan digunakan pada modul II kali ini, lebih poly tentang mesin miling & mesin turning. Berikut ini adalah prinsip kerja berdasarkan ke 2 mesin tadi

* Prinsip Kerja Mesin Milling

Gambar. Contoh Pekerjaan Yang Dihasilkan Mesin Milling

Tenaga untuk pemotongan dari berdasarkan tenaga listrik yang diubah sebagai gerak primer oleh sebuah motor listrik, selanjutnya gerakan primer tadi akan diteruskan melalui suatu transmisi buat membentuk gerakan putar dalam spindel mesin milling.

Spindel mesin milling adalah bagian berdasarkan sistem utama mesin milling yg bertugas buat memegang & memutar cutter hingga membentuk putaran atau gerakan pemotongan.Gerakan pemotongan dalam cutter jika dikenakan dalam benda kerja yg sudah dicekam maka akan terjadi goresan/tabrakan sehingga akan membentuk mutilasi dalam bagian benda kerja, hal ini dapat terjadi karena material penyusun cutter mempunyai kekerasan diatas kekerasan benda kerja.

* Prinsip Kerja Mesin Turning

Gambar, Contoh Pekerjaan Yang Dihasilkan Mesin Bubut

Menurut (kalpakjan,2005) mesin ini memiliki mobilitas primer berputar & berfungsi menjadi pengubah bentuk & ukuran benda kerja menggunakan cara menyayat benda tadi menggunakan suatu penyayat. Posisi benda kerja berputar sesuai dengan sumbu mesin & pahat membisu, berkiprah ke kanan, ke arah kiri searah dengan sumbu mesin menyayat benda kerja.

Mesin bubut menerima dayanya pada ketua tetap melalui sabuk V poly dari motor yang dipasang dibawah dari pengendali dalam ssisi kepala tetap salahsatu menurut 27 kecepatan, yang diatur pada kemajuan geometris yg logis, bisa diperoleh. Dilengkapi menggunakan pencekam dan rem listrik buat start, menghentikan atau menyentakkan benda kerja.

Ekor permanen berdasarkan pembubut bisa disetel sepanjang bangku buat menampung panjang stok yang tidak sama. Dilengkapi menggunakan pusat yg dikeraskan, yg dapat digerakkan masuk & keluar sang penyetel roda dan dengan ulir pengencang di dasarnya yang dipakai buat menyetel penyebarisan pusatnya & pembubutan tirus. Sekrup Jasa Machining pengarah terletak relatif dibawah & sejajar terhadap jalur bangku, memanjang berdasarkan kepala permanen sedemikian rupa sebagai akibatnya bisa diputar pulang & dihubungkan atau dilepas berdasarkan kereta luncur selama operasi pemotongan. Ulir pengarah hanya buat pemotongan ulir saja & wajibdipisahkan kalau nir digunakan buat mempertahankan ketepatannya. Tepat dibawah ulir pengarah masih ada btg hantaran.

Aquajet – Dedicated To Supplying The Latest & Most Innovative Technology

Aquajet has been Jasa Machining Medan the UK distributor of Jasa Machining Medan OMAX Waterjet Machining and MAXIEM JetCutting Centres for over 25 years. Established in 1993 to harness state-of-the-art technologies to make high-pressure abrasivejet machining practical, affordable, and easy to use – OMAX has become the world leader in abrasive waterjet systems, designing and producing its own machine controller, software, pump, and tables. Each JetMachining® centre is powered Jasa Machining by the company’s innovative control aplikasi, bringing affordable abrasivejet technology to a diverse class of industries. We offer a fast turnaround service and operate to ISO9001:2015 quality standard.DualBRIDGE Waterjet Systems

OMAX recently released its new DualBRIDGE System option for large-table OMAX JetMachining Centers and the entry-level MAXIEM™ product line. The DualBRIDGE System configuration allows the inclusion of a second Y-bridge on the machine to boost efficiency and flexibility with abrasive waterjet cutting.

An operator can program the independent cutting heads to produce separate parts or work in tandem to cut one large part, significantly increasing the machine capacity. Such an increase allows more workshops, from sheet metal fabricators to trade schools, to benefit from industry-standard performance at an incredible value.

The latest high-performance, low-cost MAXIEM machines fall within the 2000 Series, 3000 Series and 4000 Series.MAXIEM Expands Jetmachining Centers Lineup

The MAXIEM JetCutting machines all closely mimic OMAX’s premium JetMachining® Centers by applying the same extremely efficient ultra high pressure drive pump technology and sharing advanced features such as the robust Intelli-MAX® Software and Intelli-TRAX® linear drive technology for superior performance in harsh abrasive waterjet environments.

Other shared features among the 2000 and 3000 product lines include floor or tank mounting options for expanded configuration possibilities, easy access USB ports and power/pause controller interfaces, high-pressure track plumbing for additional X-axis coverage and DualBRIDGE System compatibility, which utilises two Y-bridges for increased productivity.ProtoMAX Personal Abrasive Waterjet

ProtoMAX® is designed for prototyping, light industry, technical education, artists and the maker movement. The system brings all the versatility benefits of large abrasive waterjet cutters in a sleek and economic package that is perfect for small job shops, engineering classrooms, makerspaces and personal use. It is also a handy addition for large shops and fabricators that need occasional waterjet capabilities to complement their other cutting systems.

With a design that’s accomodating to educational facilities, the ProtoMAX is engineered to maximize instructional potential. Utilizing the same advanced cutting contoh and similar control perangkat lunak as OMAX industrial waterjet systems, the ProtoMAX can take students from the classroom to a production shop floor quickly and intelligently.OMAX Technology Guarantee

Technology-GuaranteeOMAX provides free software upgrades for the life of the original ownership of the machine. This allows customers to take advantage of the latest updates and cost cutting techniques available. All new technologies are backward compatible, meaning the machine you buy today will be able to take advantage of any innovations made tomorrow.

Recommended Tools and Machining Parameters Applicable to:Corrosion-resistant AlloysHigh-temperature Alloys

Be aware that the cobalt-base alloys in these categories (25 and 188) can require different feeds and Jasa Machining Medan speeds (as noted in the table) than the nickel- and iron-based alloys.

OperationsTool TypesTool Geometryand Set-UpSpeedFeedDepth of CutLubricant—surface ft./min*in**in**-Roughing with  severe interruptions;Turning or FacingCarbide:C-dua or C-tigagradeNegative rake square or trigon insert,  45° SCEA 1, 1/16 in nose radiusTool holder:5° negative back rake,lima° negative side rake30-500.004-0.008per revolution0.15Dry2, oil3,or water-based4,5Normal roughing;Turning or FacingAs aboveAs above90(80 for cobalt alloys)60.010per revolutiondanlt;0.15Dry, oil,or water-basedFinishing;Turning or FacingAs abovePositive rake square or trigon insert,if possible,45° SCEA1, 1/32 in nose radiusTool holder:5° positive back rake,5° positive side rake95-110(90 for cobalt alloys)0.005-0.007per revolution0.04Dryor water-basedRough BoringAs AboveIf insert-type boring bar,use standard positive rake tools  with largest possible SCEA  and 1/16 in nose radius If brazed tool bar,grind 0° back rake, 10° positiveside rake, 1/32 in nose radiusand largest possible SCEA70(60 for cobalt alloys)0.005-0.008per revolution0.125Dry, oil,or water-basedFinish BoringAs AboveUse standard positive raketools on insert-type barsGrind brazed bars as for finishturning, except back rakemay be best at 0°95-110(90 for cobalt alloys)0.002-0.004per revolution0.04Water-basedHigh Speed Steel:M-2, M-7, or M-40  series7Radial and axial rake0° to 10° positive,45° corner angle,10° relief angle20-30(20-25 for cobaltalloys)0.003-0.005per tooth-Oil orwater-basedCarbide:C-2 grade(marginalperformance)Use positive axial and radialrake, 45° corner angle,10° relief angle50-60(35-40 for cobaltalloys)0.005-0.008per tooth(0.005 per toothfor cobalt alloys)-Oil orwater-basedEnd MillingHigh Speed Steel:M-40 seriesor T-15If possible, use short millswith four or more flutes for rigidity20-25(15-20 for cobaltalloys)Feed per tooth:¼ in beliau. 0.002½ in beliau. 0.002¾ in dia. 0.0031 in beliau. 0.004(cobalt Jasa Machining Medan alloys:¼ in dia. 0.001½ in dia. 0.0015¾ in dia. 0.0021 in dia. 0.003)-Oil orwater-basedCarbide: C-2 grade Use sharp tools with 4 or more flutes and variable lead, if possible50-60(40-50 for cobaltalloys)As above-Oil orwater-basedDrillingHigh Speed Steel:M-33, M-40 series, or T-15Use short, heavy-web drills with 135° crank shaft point;thinning of web at point mayreduce thrust and aid chip control10-15(7-10 for cobaltalloys)Maximum of 200 rpm for¼ in dia. drillsor smallerFeed per rev.:⅛ in beliau. Jasa Machining 0.001¼ in dia. 0.002½ in beliau. 0.003¾ in dia. 0.0051 in beliau. 0.007(same forcobalt alloys) -Oil orwater-basedUse coolantfeed drillsif possibleCarbide:C-2 grade Not recommended, buttipped drills may besuccessful on rigid set-ups if depth is not great.The web must be thinned toreduce thrust; use 135°included angle on pointGun drill can be used50(40 for cobaltalloys)As above-Oil orwater-basedCoolant-fed, carbide-tipped  drills may beeconomical in some set-ups ReamingHigh Speed Steel:M-33, M-40 series, or T-15Use 45° corner angle,narrow primary land,and 10° relief angle10-15(8 for cobalt alloys)Feed per rev.:½ in beliau. 0.003dua in beliau. 0.008(same forcobalt alloys) -Oil orwater-basedCarbide: C-dua or C-3grade Tipped reamers recommended;solid reamers require verygood set-upTool geometry same as above40(20 for cobaltalloys)As above-Oil orwater-basedTappingHigh Speed Steel:M-1, M-7,or M-10Use two flute, spiral point,plug tap 0° to 10° hook anglesNitrided surface may be helpfulby increasing wear resistance,but may result in chipping orbreakageTap drill for 60-65% thread ifpossible, to increase tool life7(same for cobalt alloys)–Use bestpossible tappingcompound;sulfo-chlorinatedoil-basepreferredCarbide:notrecommended—–ElectricalDischargeMachiningHAYNES® and HASTELLOY® alloys can be readily cut using any conventionalElectrical discharge machining (EDM) system, or by wire EDM

General note: Use high pressure coolant systems and through the tool coolant, when possible.

*To convert to surface m/min, multiply by 0.305**To convert from in to mm, multiply by 25.4

1SCEA = side cutting edge angle, or lead angle of the tool2At any point where dry cutting is recommended, an air jet directed at the tool may provide a substantial increase in tool life3Oil coolants should be premium quality, sulfo-chlorinated oils, with extreme pressure additives; a viscosity of 50 to 125 SSU at 100°F (38°C) is standard4Water-based coolants should consist of a 15:1 mixture of water and either a premium quality, sulfo-chlorinated, water-soluble oil or a chemical emulsion, with extreme pressure additives5Water-based coolants may cause chipping or rapid failure of carbide tools in interrupted cuts6Depending upon the rigidity of the set-up7M-40 series high speed steels include M-41 through M-46 at time of writing; others may be added and should be equally suitable

Applicable to:Wear & Corrosion-resistant Alloy

ULTIMET® alloy can be successfully turned, drilled, and milled if appropriate tooling and parameters are employed. However, the alloy possesses high strength and work hardens rapidly. Machining guidelines specific to ULTIMET® alloy are as follows:

    Carbide (not high speed steel) tools are recommended.

    Surface speed: 60-70 surface ft./min (0.30-0.35 m/s).

    Feed rate: 0.005-0.010 in (0.13-0.25 mm).

    Depth of cut for roughing: 0.05-0.10 in (1.tiga-2.lima mm).

    Depth of cut for finishing: 0.010-0.015 in (0.25-0.38 mm).

    Carbide tipped or high speed steel drills are recommended.

    Surface speed: 30-35 surface ft./min (0.15-0.18 m/s) for carbide tipped drills; 8-10 surface ft/min (0.04-0.05 m/s) for high speed steel drills.

    Feed rate: 0.004 in (0.1 mm) per revolution for 0.25 in (6.4 mm) diameter and greater.

    135° included angle on point.

    Carbide (not high speed steel) end mills are recommended.

    Surface speed: 25-30 surface ft/min (0.13-0.15 m/s).

    Feed per tooth: 0.002 in (0.05 mm) for cutter diameters below 0.75 in (19 mm); 0.003 in (0.08 mm) for cutter diameters above 0.75 in (19 mm). 

Find the best fit CNC machining service for your plastic Jasa Machining Jasa Machining Medan and metal parts, and produce and deliver on-demand.

Bring your product from the design and proJasa Machining Medan totyping stage to full production with our experience in manufacturing machined prototypes and production parts.

Looking for a competitive advantage, rapid turnaround supplier for your CNC machining project? WayKen is an expert in CNC machining service in China for both CNC prototypes and machined parts of end-use.We provide CNC milling and CNC turning of various materials, as well as drilling, tapping, EDM (Electrical Discharge Machining), and wire EDM. Our ISO 9001 certified production process, combined with professional machining experience and advanced CNC machines ensures your parts are made right the first time, every time.

CNC milling is a subtractive manufacturing method that uses a cutting tool to moves and rotate to remove material. CNC mills can be used for cutting and machining operations of various plastic and metal materials. It is suitable for any industry that requires precision components and is also an ideal tool for making molds.

CNC turning removes material by contacting a cutter with the high-speed rotating workpiece and is usually used to create round or tubular shapes. The CNC turning process allows the generation of complex external geometries and internal holes, including the machining of various threads.

5-axis CNC machining allows complex parts with multiple side features to process up to five sides in a single setup. This can pay big dividends in better machine utilization, reduce setups and cycle times, and improve quality. The ability of 5-axis machining will make our CNC shop more cost-effective for a wider range of work.

Need to achieve a tight tolerance of ±0.0005″ or better? With proven expertise, advanced CNC technology and inspection equipment, we have the experience to provide perfect accuracy and repeatability, even for the most complex parts. We are committed to providing precision CNC machining services to meet or exceed customer expectations.

CNC machining is a versatile manufacturing technology that can be used for a wide range of applications. Common examples include components for the aerospace, automotive, medical industries and etc.Prototype Design VerificationCreate Metal Molds and ToolingLow-Volume Machined Parts of End-UseMachinable Custom Automotive PartsHigh Precision Machined Aerospace ComponentsHigh-Performance Machined Medical Devices ComponentsMetal and Plastic Machining of Consumer Electronics

Prototype Machining for Your Design Verification and Engineering Testing

CNC prototyping is the process of creating plastic and metal prototypes through CNC machining, allowing your design team to closely simulate the appearance, function, and material properties of the final product, and test the suitability and manufacturability of components to prove and perfect their design.We offer professional prototype machining services to ensure quality and accuracy, with a commitment to fast delivery.

High Complexity and High Precision Prototype Machining

– Creating fully functional engineering prototypes that allow you to examine and test the form, fit, and function of components in rigorous working scenarios to help prove and refine your designs.– Creating aluminum prototypes of complex designs with extended and integrated machining processes gives us the ability to handle a wide variety of aluminum machining projects with extremely tight tolerance control and excellent surface finishes.– Creating optical prototypes of clear acrylics, high-speed cutting for complex-shaped free-form surfaces and dense optical details using D0.1-D0.tiga ultra-fine milling tools, providing micro-milling capability with excellent surface quality.

Custom Machining for Low-volume Production of End-use Parts

The advantages of CNC machining are particularly well suited to the requirements of low volume production runs of custom parts, including accuracy and repeatability, flexible processes, as well as a wide range of material options, all of which help bring products to market faster.Need 50 or 10,000 custom machined parts? We have the capability and experience to provide efficient custom CNC machining services at a reasonable price.Choosing the Right Custom Machining Service

Finding a machining service that offers “made to order” can be a valuable addition to your supplier system.WayKen has advanced machine tool and flexible production methods, from simple milling or turning parts to complex and precision 5-axis CNC machining, from prototype plastic machining to accurate metal machining, we offer a well-rounded mix of advantages. Our custom machine shop maintains 24/7 operations for optimal efficiency, quality and process control throughout the production machining process, from programming to machining to finishing. Our in-house production capabilities combined with the ability to integrate external manufacturing resources allow us to have a quick turnaround to meet any of your custom machining needs. That’s why we can be competitive for your low volume CNC machining projects.

Our Advantages in CNC MachiningAn Experienced Team with ExpertiseAdvanced In-house EquipmentsCompetitive Prices in the IndustryOne-To-One Collaboration & Proactive DFMHigh Complexity Machining CapabilityIndustry-Leading Turnaround Times

Materials​ & Finishes For CNC Machining

There are a wide variety of materials that can be machined using CNC technology, WayKen provides CNC machining quotes for more than 30 engineering-grade plastic and metal materials. In terms of finishes, various types of surface finishes can be applied to CNC machined parts.

-Plastic: ABS, PC, ABS+PC, PMMA(Acrylic), PA(Nylon), PA+GF30, POM(Acetal / Delrin), PP, PVC, HDPE, PPS, PEEK, PEI(Ultem), Teflon, Bakelite Resin, Epoxy Tooling Board.-Metal: Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper, Magnesium Alloy, Titanium Alloy, Zinc Alloy.-Finishes: We support one-stop CNC machining surface finishing to meet the visual and functional requirements of any design. Including sanding, sandblasting, mirror polishing, painting, printing, laser etching, anodizing, electroplating, nickel plating, chrome plating, powder coating, etc.

More than 30 engineering-grade materials can be used for CNC plastic machining. The machined plastic parts are 100% functional and able to be mechanically tested.

Whether it is prototypes or end-use parts, our mastery of CNC metal machining techniques helps us achieve tighter tolerances, faster turnaround times, and more challenging manufacturing projects.

Put Your CNC Parts Into Production Today.

WayKen’s standard tolerance is applied to ISO 2768 (medium) for machined plastic and ISO 2768 (fine) for machined metals. Typically, we can hold a CNC machining tolerance from ±0.005″ (±0.125mm) to ±0.002″ (±0.05mm). If tighter tolerances are required, a 2D drawing with complete information will be necessary. Our engineering team will communicate with you the critical dimensional tolerances and provide the highest degree of precision possible.

A Quick Guide to Designing CNC Machined Parts

Optimize your designs to avoid unnecessary machining features, limit part complexity, help reduce CNC machining costs and time, and create machined parts faster and more efficiently.As large an internal radius as possible

Any internal cut will generate a fillet that is half the diameter of the tool used. Milling with smaller tools takes a long time and we recommend that the radius should be greater than 1/3 of the depth of machining. The best bet is to relieve internal corners or allow for as large an internal radius as possible on mating part designs and use the same radius on all inside edges so that the same tool can be used throughout the CNC machining processes.Avoid overly deep cavities, grooves and holes

Leatherneck Precision Machine can help you with – PrototypesProductionDesign for Manufacturing ConsultingCNC Milling & ProgrammingReverse EngineeringCAD DesignMIG & TIG Welding

An excellent precision CNC Jasa Machining Medan machining service can work wonders for your company or small business. However, picking the right machining service provider can be a bit tricky. You can’t just pick any CNC machining business right off the bat. Instead, you have to rely on track record and proven experience. By being meticulous, you can save a lot of time and money. If you are looking for precision machining in Denver, one company that can help you is Leatherneck Precision Machine.

Leatherneck Precision Machine is ISO 9001:2015 ,AS9100:2016 and ITAR registered and certified Aerospace Machine shop. Founded in 2017, Leatherneck Precision Machine aims to provide high-quality precision machining services to aerospace, automotive, commercial, and government clients. With 25 years of experience under our belt, we can definitely accomplish all your machining needs. Most of the clients that we have worked with are aerospace Jasa Machining companies, Dept of Defense, aftermarket automotive and motorcycle custom parts, other manufacturing plants, factories and machine shops. We have also satisfied many service requests from independent contractors and project planners.

What separates us from common precision machining companies in denver is our total dedication to the craft; our expertise allows us to get the most out of our machines, taking many fast, light cuts rather than heavier cuts which tend to damage tools and add to project costs. Our fast and light technique is of particular value in aerospace machining. With such Jasa Machining Medan dedication, we are able to complete projects in a precise and timely manner. We continue to invest in our precision machining tools and equipment as well as CAD/CAM perangkat lunak, to keep our business ahead of the market curve.

When it comes to professional CNC machining in the Denver area, Leatherneck Precision Machine is truly worth your while. Leatherneck Precision Machine is a Verified Service Disabled Veteran Owned Small Business by the Dept of Veterans Affairs and a Service Disabled Veteran Owned Business Enterprise from The National Veteran Owned Business Association. Call us today for a free service consultation or come visit our 3500 square foot manufacturing space. CNC Machining in Colorado at its finest. 

PTE Precision Machining located in Kittery, Maine.

When considering machine shops in Maine, New Hampshire, and northeast Massachusetts, PTE Precision Machining is a full service machine shop offering CNC machining, manual machining, as well as welding, and fabrication. PTE Precision Machining has provided CNC machining work for a variety of customers, including but not limited to; utility, automotive, research & development, Department of Defense, food processing, and energy production companies. The list of fabrication and machining services we offer are endless – no job is too big or too small for us to handle. Our full service job shop offers machining, welding, and metal fabrication; serving residential and industrial clients in Southern Maine, New Hampshire, Massachusetts, throughout all of New England, and the entire United States.Dedicated Staff

Along with our well trained and dedicated staff, we utilize a wide variety of state-of-the-art machining equipment, which makes it possible for us to deliver CNC machining, metal fabrication, precision machining, production machining, MIG welding, TIG welding, and many other services at an affordable price that is on time and on budget. Our machinists are experienced in machining Jasa Machining from various materials such as: carbon steel, stainless steel, aluminum, alloys, high temperature alloys, copper, brass, plastic, and more. Our committed team of employees has experience to bring a finished and assembled product to our customer, Jasa Machining Medan using their expertise through the machining, fabrication and welding processes, along with managing suppliers and sub-contractors for any outsourced processes. We work on low volume, prototype and repair projects, up to medium sized production projects – projects ranging in size up to several hundred pieces.Leading Edge Technology

Leading edge technology and our experienced machinists, along with a dedication to customer service, helps us to produce quality work that sets us apart from other machine shops in Maine. If you have a machining Jasa Machining Medan (milling or lathe turning), welding or fabrication project … contact PTE Precision Machining … we will work with you to provide you with the best product possible that meets your requirements.

Electrical Discharge Machining ( EDM ) Design Considerations Process Capabilities

Manufacturing Knowledge MenuEDM Manufacturing ServicesEDM Manufacturing Equipment

Electrical Discharge Machining, EDM is one of the most accurate manufacturing processes available for creating complex or simple shapes and geometries within parts and assemblies. EDM works by eroding material in the path of electrical discharges that form an arc between an electrode tool and the work piece.  EDM manufacturing is quite affordable and a very desirable manufacturing process when low counts or high accuracy is required.  Turn around time can be fast and depends on manufacturer back log.

The EDM system consists of a shaped tool or wire electrode, and the part. The part is connected to a power supply. Sometimes to create a potential difference between the work piece and tool, the work piece is immersed in a dielectric (electrically non conducting fluid which is circulated to flush away debris.

The cutting pattern is usually CNC controlled.  Many EDM machine electrodes can rotate about two-three axis allowing for cutting of internal cavities. This makes EDM a highly capable manufacturing process.

EDM comes in two basic types: wire and probe (die sinker). Wire EDM is used Jasa Machining primarily for shapes cut shapes through a selected part or assembly. With a wire EDM machine, if a cutout needs to be created, an initial hole must first be drilled in the material, then the wire can be fed through the hole to complete the machining. Sinker (die sinking EDM’s are generally used for complex geometries where the EDM machine uses a machined graphite or copper electrode to erode the desired shape into the part or assembly. Sinker EDM can cut a hole into the part without having a hole pre-drilled for the electrode.

EDM Power System. The discharge energy during EDM is provided by a direct current pulse power generator. The EDM power system can be classified into RC, LC, RLC, and transistorized types. The transistorized EDM power systems provide square waveform pulses with the pulse on-time usually ranging from 1 to 2000 msec, peak Jasa Machining Medan voltage ranging from 40 to 400V, and peak discharge current ranging from 0.lima to 500 A. With the RC, LC, or RLC type power system, the discharge energy comes from a capacitor that is connected in parallel with the machining gap. As a result of the low impedance of plasma channel, the discharge duration is very short (less than lima msec), and the discharge current is very high, up to 1000 A. The peak voltage is in the same range of transistorized power systems.

The transistorized power systems are usually used in die-sinking EDM operations because of their lower tool wear. Capacitive power systems are used for small hole drilling, machining of advanced materials, and micro-EDM because of higher material removal rate and better process stability. WEDM power generator usually is a transistor-controlled capacitive power system that reduces the wire rupture risk. In this power system, the discharge frequency can be controlled by adjusting the on-time and off time of the transistors that control the charging pulse for the capacitor connected in parallel with the machining gap.

Key EDM System Components: The machining gap between tool and work piece during EDM must be submerged in an electrically nonconductive dielectric fluid. In die-sinking EDM, kerosene is often used as a dielectric fluid because it provides lower tool wear, higher accuracy, and better surface quality. Deionized water is always used as a dielectric fluid in WEDM to provide a larger gap size and lower wire temperature in order to reduce the wire rupture risk. This fluid also serves to flush debris from the gap and thus helps maintain surface quality.

Copper and graphite are commonly used as die-sinking EDM tool materials because of the high electrical conductivity and high melting temperature and the ease of being fabricated into complicated shapes. The wire electrode for WEDM is usually made of copper, brass, or molybdenum in a diameter ranging from 0.01 to 0.5 mm. Stratified copper wire coated with zinc brass with diameter of 0.25 mm is often used.

In the traditional die-sinking EDM process, the tool is fabricated into a required shape and mounted on a ram that moves vertically. The spark discharges can only occur under a particular gap size that determines the strength of electric field to break down the dielectric. A servo control mechanism is equipped to monitor the gap voltage and to drive the machine ram moving up or down to obtain a dischargeable gap size and maintain continuous sparking. Because the average gap voltage is approximately proportional to the gap size, the servo system controls the ram position to keep the average gap voltage as close as possible to a preset voltage, known as the servo reference voltage.

In a WED machine, the wire electrode is held vertically by two wire guides located separately above and beneath the work piece with the wire traveling longitudinally during machining. The work piece is usually mounted on an x-y table. The trajectory of the relative movement between wire and work piece in the x-y coordinate space is controlled by a CNC servo system according to a preprogrammed cutting passage. The CNC servo system also adjusts the machining gap size in real time, similar to the die sinking EDM operation. The dielectric fluid is sprayed from above and beneath the work piece into the machining gap with two nozzles.

The power generators in WED machines usually are transistor-controlled RC or RLC systems that provide higher machining rate and larger gap size to reduce wire rupture risks. In some WED machines, the machining gap is submerged into the dielectric fluid to avoid wire vibration to obtain a better accuracy. The upper wire guide is also controlled by the CNC system in many WED machines. During machining, the upper wire guide and the x-y table simultaneously move along their own preprogrammed trajectories to produce a taper and/or twist surface on the work piece.

Advantages of EDM :Complex shapes that would otherwise be difficult to produce with conventional cutting tools Extremely hard material to very close tolerances Very small work pieces where conventional machining tools may damage the part from excess cutting tool pressure. There is no direct contact between tool and work piece. Therefore delicate sections and weak materials can be machined without any distortion.

Disadvantages of EDM :Relatively s low rate of material removal. Additional lead time and cost used for creating electrodes for ram/sinker EDM. Reproducing sharp corners on the workpiece is difficult due to electrode wear. Electrical power consumption is high. Material must be electrically conductive

Mechanical Design Considerations:Relax the surface-finish for the part, if feasible. This allows the manufacturer to produce the part with fewer passes, at a higher current level and a higher metal-removal rate.Design or prepare the part such that the amount of stock removed by EDM is relatively small. Use traditional machining techniques to remove the bulk of the stock with the finishing operations performed by EDM. This significantly reduces the amount of time and cost for each part.The EDM manufacturer should consider fixtures such that several parts can be stacked and machined simultaneously or a single part can have several EDM operations performed simultaneously.When existing holes are to be enlarged or reshaped by EDM, through holes are preferred to blind holes as they permit easier flow of dielectric fluid past the area being machinedThere will be some degree of materials exchange between the EDM wire / probe and the base material. Specify a cleaning procedure is galvanic corrosion is a concern.The minimum internal corner radius of cut feature will dictate the maximum wire diameter that can be used. Obviously, the wire diameter needs to be at less than double the minimum inside corner radius. However, one also has to account for the amount of final over cut, plus a small amount of “maneuvering” room, so that the CNC can generate the corner. This is analogous to CNC contour milling, in which accurate internal corner radii are generated by machine motion, rather than just plunging an end mill into a corner and accepting the result. Usually, “the bigger, the better” for wire diameters up to .010″. It is important to note that the new Jasa Machining Medan “twin wire” machines can employ a different strategy for these conditions, however, most of us do not have this luxury. Recommendations for small diameter wires include:High Tensile Brass wire for .006″ diameterSteel Core wire from .002″ to .004″ diameter Moly wire from .002″ to .004″ Tungsten wire from .0008″ to .002″

Coteachers Marissa and KJasa Roll Plat ate are out Jasa Roll Plat medan for a walk around the block with a small class of 18- to 30-month-olds. The sky is a brilliant blue and there are bright green grass shoots and spring leaves to touch and smell. Two-and-a-half-year-old Aisha approaches Marissa, eyes shining, clutching a treasured object in her hand. She uncurls her fingers to reveal an acorn. “Look!” she says. “What dis?”

“Wow! That’s an acorn. Jasa Roll Plat medan It fell from the tree last fall,” Marissa answers. “If you plant it in the ground, it will grow into a big tree.”

Aisha discovers two more acorns and shares them with Brady, who is dua years old. Kate offers Aisha and Brady small bags they can use to collect more acorns and other interesting objects they find during the walk. The group’s progress around the block is slow as the children find twigs, old brown leaves, new green leaves, and more acorns to bring back to the center.

It can be challenging to take young children outside—from naps to mealtimes and sunscreen to mittens, a trip outdoors might feel like too much hassle. Additionally, play outside may seem unruly, overwhelming, or lacking in learning opportunities. But outdoor play is worth the time and effort.What are the benefits of outdoor play?1. It invites children to learn science

As seen in the opening vignette, you don’t have to plan for science lessons when you take young children outside. Children are natural explorers and discoverers, and you can bring whatever interests them back to your early childhood setting for further exploration. By turning their questions into class inquiry projects, you’ll soon have several starting points for emergent curriculum. An acorn won’t grow quickly enough to satisfy a curious child—it takes two months for the first shoots to appear! But there are faster-growing seeds (peas, green beans, corn) perfect for classroom experiments. Picture books like The Carrot Seed, by Ruth Krauss, and Growing Vegetable Soup, by Lois Ehlert, add early literacy to the mix while building children’s vocabulary and knowledge.dua. It creates opportunities for social interaction and collaboration

One-on-one interactions, like the conversation between Aisha and Marissa in the vignette, help build a foundation for future teacher relationships that will occur when children enter school. Marissa’s interest and delight in Aisha’s discovery reinforce Aisha’s knowledge that she’s important and her ideas matter. Outdoor play also provides a chance to practice social and emotional skills with other children, including masalah solving, turn taking, encouragement, self-control, safe risk taking, and following the rules of a game. And outdoor play provides opportunities to develop empathy; for example, imagine one child encouraging another to try the slide or a child comforting another who has fallen down while running.tiga. It promotes physical health

The obesity rate for US children ages 2 to lima is 14 percent, and it rises to over 40 percent for middle-aged adults, leading to an increased risk of health problems like diabetes and heart disease (Hales et al. 2017). That’s one reason why the American Academy of Pediatrics recommends a “prescription for play” at every well-child visit through age 2 (Yogman et al. 2018, 10) and Nemours Health and Prevention Services recommends daily, supervised outdoor time for children from birth to age lima (Hughes 2009). Specifically, Nemours calls for toddlers to have at least 30 minutes of structured (adult-led) physical activity and at least 60 minutes of unstructured (child-led) physical activity each day. Outdoor play is a great way to model the joy of physical activity. When children run, jump, climb, throw and kick balls, and ride toys that require balance, they also build gross motor skills and start developing a habit of being active.4. It invites new contexts for learning

You can use outdoor spaces to create intentional learning activities that are difficult to execute inside. There’s great value in looking at books about nature in the shade of a tree, pouring (and splashing!) water at an outdoor water table, building extra large structures in the sandbox or mud, collecting leaves, watching a parade of ants, and playing pretend on a playground structure. To make the most of your outdoor time, think about creative, joyful, engaging activities that capitalize on children’s need to move and enthusiasm for doing so, while also achieving other curricular goals. For example, you might create a sorting game in which children have to find all the yellow balls and all the red balls hidden on the playground, then sort them into two groups.lima. It promotes better sleep

A study of 2- to lima-year-olds showed that children who play outdoors sleep better at night (Deziel 2017). This may be due to the physical activity, tertekan reduction, and exposure to natural light that come with playing outdoors (Coyle 2011). You may want to share this information with families—a tired, happy child is one who sleeps well!6. It gives children a chance to take appropriate risks

Toddlers are all about challenging themselves to do new and difficult things—pet a dog, climb some stairs, venture a little farther away from a caregiver and then return. Playing outside provides opportunities to run faster, climb higher, jump farther, and more—all under the watchful eye of a caring adult.7. It may lead to better learning outcomes once children return to other activities

Research shows that older children are more attentive and productive in the classroom when recess—indoors or outdoors—is part of the school day (Council on School Health 2013). If older children need a brain break, it follows that younger ones do too.8. It supports STEM skills

Remember making mud pies and forts when you were a child? The outdoors is the perfect place for big (and messy) projects that support STEM (science, technology, engineering, and mathematics) skills, such as building, sand and water play, and investigations of the natural world. Almost any indoor activity can be brought outside for further exploration.9. It anchors children to the real world

Talking with a child about an illustration of a bird in a picture book is good, but sharing the book and the experience in the real world is even better: “I wonder what that robin is looking for in the grass? Oh, look! It got a worm!” Children develop more comprehensive knowledge about their world when they have a chance to watch, observe, predict, and learn in the moment.Conclusion

Our Dice Bags are stunning bags Jasa Roll Plat medan to use with any game that calls for holding lots of d6!

Carry your dice into the dungeon in style with these large, illustrated dice bags. With space for dozens of dice of all different shapes and sizes, these bags are the perfect companions the next time you leave home to join your friends for a night of gaming. Each bag includes one custom six-sided die to get your dice collection off to a strong start . . . or to add to any already-incredible collection.

Kittens are mischievous and meddlesome, which makes them adorable dungeon adventurers!

Add the accessories from this Dungeon Survival Pack to any fantasy roleplaying game session and be the envy of the party.

You’ll get one satin-lined drawstring bag in an eye-catching turquoise color and three different blank journals, perfect for recording your campaign notes. Each cover is beautifully illustrated by the incomparable Katie Cook. Also included are three custom six-sided dice, two with kitty paw prints for the pips, and the third featuring kitten icons with the numbers one through six.

Featuring the adorable artwork of Katie Cook, this set of twelve 16mm six-sided dice brings mischievous kittens to your favorite game! The Kitten d6 Dice Set will appeal to gamer people and kitty people and everyone in between! Everyone needs more dice. Just be careful when you take these cute kitty and paw print dice to your next gaming session; the other cat fanatics at the table may try to knock the dice to the floor and keep them for their own dice collection.

Featuring the art of Katie Cook, this set of twelve 16mm six-sided dice adds cute puppies to your favorite game! With the Puppy D6 Dice Set you can take the dogs for a walk . . . or roll, at your next game night, with dice featuring bone and puppy engravings on each side. When you open your dice bag, people will know it was YOU who let the dogs out!

Many of us grew up playing with green plastic army men. We’ve taken that classic design and turned it into the Army Men d6 Dice Set for grown-up play.

The ubiquitous green army men of your childhood have made the jump from toys to games! This set of twelve 16mm six-siders is perfect for any battle. Emerge victorious as your opponents cower in fear of your overwhelmingly superior dice.

With a big Jasa Roll Plat medan meeple replacing the one pip, and little debossed meeplies on all the other Jasa Roll Plat sides, the Meeple d6 Dice Set blurs the lines between meeples and dice. For use with any game that requires standard six-sided dice.

This big 12-sided die has all the signs of the zodiac. But it’s not just attractive – it’s useful! It comes with a 16-page book by Steve Jackson, showing how to use the Zodiac Die to create personalities for your roleplaying characters. A neat item for collectors, too!

Harness the magic with the Dragon D6 Dice Set!

In a forgotten cave, in a far-away land, we found a dragon’s egg.Nurtured on a bed of smoldering embers, it finally hatched . . . and these brightly colored dice spilled forth! That’s our story, anyway.

These eight pearlized dice come in all the popular dragon colors: green, black, orange, and blue; you’ll get dua of each color in this set of 16mm dice!

Put a spooky spin on any game that calls for a d6 with the Halloween D6 Dice!

These cleverly designed 19mm dice have the numbers 1-6 worked into the pumpkin design on each side!

This Halloween set contains two orange dice with black ink, two black dice with orange ink, and two black dice with glow-in-the-dark ink.

The Cthulhu D6 Dice are stunning dice to use with any game that calls for a d6!

These beautiful 19mm dice feature a pearlized finish, white pips, and the Cthulhu icon in place of the one pip.

This set contains two purple, two green and two black dice. They can be used to add eldritch horror to all your games!

Unload on your opponents with Bullet Dice!

These custom, double-injected dice accurately resemble a bullet and cartridge, and can replace any standard six-sided dice. Bullet Dice are the ideal ammunition for a great game night!

These 19mm Illuminati-inspired dice display a pyramid in place of the 1 pip. The set contains two red and two blue dice with silver pips, and two silver dice with black pips.

These attractive pearlized dice will add just the right amount of group to any game!

It’s Zombie Dice and two expansions – in one delicious, brain-filled package!

You are a zombie. You want brains. More brains than any of your zombie buddies.

Zombie Dice is a quick and easy game for gamers and non-gamers alike. Great for large groups. The 13 custom dice represent victims. Push your luck to eat their brains, but stop rolling before the shotgun blasts end your turn!

Serving Cthulhu is fun . . . except for all those other cultists out to get you. So get them first!

Cthulhu Dice lets you drive your rivals mad . . . very, very quickly. Players take turns rolling the big, beautiful, custom 12-sided die, embossed with tentacles, Elder Signs, and more. Destroy your opponents’ sanity! Better yet, steal it. But watch out for Cthulhu – when he comes up, he takes sanity from everyone! Eighteen glass Sanity marbles are included. Lose all your marbles and you’re mad. The last sane cultist wins . . . unless everyone goes mad together. Then Cthulhu wins!

Cthulhu Dice plays in lima to 10 minutes, and is fun for dua to 6 players.

For bigger, squishier fun, check out Giant Cthulhu Dice – same quick play, now with 4″ foam dice!

Destroy the humans! Take their cities! Conquer Earth!

In Mars Attacks: The Dice Game, lead your team of Martian invaders to conquer Earth. Destroy cities, get your picture taken in front of famous monuments, and be the Martian with the most Earthling kills! But watch out, because the Earthlings might nuke you . . .

Mars Attacks — The Dice Game is a fast-playing, tactical dice game based on the Mars Attacks trading cards by Topps.

Destroy the Earthling cities!

Mars Attacks: Ten-Minute Takedown is a fast-playing dexterity game of Martian aggression and dunia destruction. Flick the custom die from your flying saucer at the Earthling cities, and claim their points as you destroy them.

Fling your snot (dice!) at the Garbage Pail Kids! In Garbage Pail Kids: Super Snot Shots, the more of them you hit with your boogers, the more points you score. But watch out! The other players are also Super Snot Shots and only the grossest player will win the game.

21 Dice Games That Are . . . A Little Different!

Fast-playing dice games for groups of all sizes, ages, and gaming experience. All you’ll need to add is paper and a pencil for keeping score. Grab some friends, pick a laman, and get rolling!

Be the biggest ooze . . . or lose!

In Gelatinous, players start out as a wandering slime, using sparkling green dice to grow into a cube. But watch out, the other slimes are growing too! The first to grow into a cube wins — and the rest are lunch.

A Warehouse 23 Exclusive!

A blast from the past. Literally!

We’ve brought back this quick little classic, Le Boomb!, with updates to add to the fun. There are only two components: the custom die and the ‘boomb.’ Roll the die, and hope the ‘boomb’ is not in front of YOU when the explosion comes up! Fast-playing, funny, and super portable, this little gem is just what you need to brighten up your game nights!

If you like poker, you’ll love Texas Roll ‘Em! In this fast-moving and easy game, roll dice and form the best hand you can to win the point. The first player to five points wins the game! Bright red, white, and blue dice in an easy-to-roll and easy-to-read 16mm size. Take your poker game on the road with Texas Roll ‘Em!

The classic street game goes to the can in Aw, Craps!

Dump out these questionably-colored, 16 mm dice and play with anyone, anywhere — even places you probably shouldn’t.

The Rolling Stones announced Tuesday Jasa Roll Plat medan the rock band will no longer perform the hit song Brown Sugar amid accusations the 50-year-old classic is linked to the subjugation of slaves.

Mick Jagger and Keith Richards made the announcement while on tour in the U.S. as part of a 13-date schedule.

The pair said they have not put Brown Sugar — one of the UK band’s most recognizable songs — on their playlist since kicking off in St Louis on September 26.

The 1969 song has been a staple of their live show since it came out and is the second most played song in their collection after Jumpin’ Jack Flash, with 1,136 known performances, according to Rolling Stone magazine.

Jagger, asked about the song’s absence from their recent gigs, told the Los Angeles Times they decided to give the tune a break.

“We’ve played ‘Brown Sugar’ every night since 1970, so sometimes you think, We’ll take that one out for now and see how it Jasa Roll Plat medan goes,” he said, before conceding “We might put it back in.”

Keith Richards, who wrote the song with Jagger during a 1969 recording session at the famed Muscle Shoals studio in Alabama, said he was confronted by the recent discomfort about the lyrics, since it had always been a tale about slavery, rape, and sexual violence.

“I’m trying to figure out with the sisters quite where the beef is,” Richards, 77, said before asking his critics: “Didn’t they understand this was a song about the horrors of slavery?”

“But they’re trying to bury it. At the moment I don’t want to get into conflicts with all of this shit,” Richards went on. “But I’m hoping that we’ll be able to resurrect the babe in her glory somewhere along the track.”

British pop class the Rolling Stones in London Jasa Roll Plat starting out circa 1964. From left to right, Brian Jones (1942 – 1969), Mick Jagger, Keith Richards, Charlie Watts and Bill Wyman. (Terry Disney/Express/Getty Images)

Critics have said the track contains “some of the most stunningly crude and offensive lyrics that have ever been written” and that it is “gross, sexist, and stunningly offensive toward black women,” Sky News reports.

Some of the song’s lyrics read:

Gold Coast slave ship bound for cotton fieldsSold in the market down in New OrleansSkydog slaver knows he’s doin’ all rightHear him whip the women just around midnight

The band’s current U.S. tour is the first since the death of drummer Charlie Watts, aged 80, in August.

Watts announced he would not tour with the Stones in 2021 because of an undefined health issue.Follow Simon Kent on Twitter: Follow @SunSimonKent or e-mail to: skent@breitbart.com