{"product_id":"full-metal-stepper-robot-arm-4-aixs-mechanical-arm-bracket-sliding-table-unassembled-kit-for-industrial-robot-model-stepper-claw","title":"4-Axis Stepper Motor Robot Arm - Full Metal Mechanical Kit","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003cp class=\"labos-section-title\"\u003eOverview\u003c\/p\u003e\n\u003cp\u003eStep up from servo motors to industrial-grade stepper motor control. This 4-axis all-metal robot arm uses NEMA stepper motors for precise, repeatable positioning that servos simply cannot match. Built with mechanical linkages and metal gearing throughout, this is an engineering platform for serious builders.\u003c\/p\u003e\n\n\u003cdiv class=\"labos-alert\"\u003e\n  \u003cdiv class=\"alert-header\"\u003e⚡ Safety Notice\u003c\/div\u003e\n  \u003cp\u003eStepper motors operate at 12-24V — risk of electrical shock. Use proper motor drivers (A4988\/DRV8825). Never disconnect motor wires while powered — this can destroy the driver. Heavy metal arm — secure to workbench. Advanced build requiring electronics knowledge.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp class=\"labos-section-title\"\u003eKey Features\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStepper Motor Precision\u003c\/strong\u003e — NEMA steppers deliver sub-degree positioning accuracy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Axis Configuration\u003c\/strong\u003e — Base rotation, shoulder, elbow, and wrist control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Metal Mechanical Build\u003c\/strong\u003e — Gear trains and linkages, not plastic brackets\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial Architecture\u003c\/strong\u003e — Same kinematics used in CNC machines and 3D printers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccelStepper Compatible\u003c\/strong\u003e — Works with popular Arduino stepper libraries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Frame\u003c\/strong\u003e — Rigid metal construction for vibration-free operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp class=\"labos-section-title\"\u003eTechnical Specifications\u003c\/p\u003e\n\u003ctable class=\"labos-specs\"\u003e\n  \u003ctr\u003e\n\u003cth\u003eDOF\u003c\/th\u003e\n\u003ctd\u003e4 (base + shoulder + elbow + wrist)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eFull Metal (aluminum + steel)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMotor\u003c\/th\u003e\n\u003ctd\u003eNEMA Stepper Motors\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePositioning\u003c\/th\u003e\n\u003ctd\u003eSub-degree accuracy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e~2-3kg\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e12V-24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eDriver\u003c\/th\u003e\n\u003ctd\u003eA4988\/DRV8825 compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003ctd\u003eArduino, GRBL, RPi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp class=\"labos-section-title\"\u003eQuick Start Code\u003c\/p\u003e\n\u003cdiv class=\"labos-code\"\u003e\n\u003cspan class=\"line\"\u003e\u003cspan class=\"cm\"\u003e\/\/ 4-Axis Stepper Arm — Stepper Motor Control\u003c\/span\u003e\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e\u003cspan class=\"pp\"\u003e#include\u003c\/span\u003e \u003cspan class=\"str\"\u003e\u0026lt;AccelStepper.h\u0026gt;\u003c\/span\u003e\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e\u003cspan class=\"kw\"\u003eAccelStepper\u003c\/span\u003e axis1(\u003cspan class=\"num\"\u003e1\u003c\/span\u003e, \u003cspan class=\"num\"\u003e2\u003c\/span\u003e, \u003cspan class=\"num\"\u003e3\u003c\/span\u003e);\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e\u003cspan class=\"kw\"\u003evoid\u003c\/span\u003e \u003cspan class=\"fn\"\u003esetup\u003c\/span\u003e() {\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e  axis1.\u003cspan class=\"fn\"\u003esetMaxSpeed\u003c\/span\u003e(\u003cspan class=\"num\"\u003e1000\u003c\/span\u003e);\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e  axis1.\u003cspan class=\"fn\"\u003esetAcceleration\u003c\/span\u003e(\u003cspan class=\"num\"\u003e500\u003c\/span\u003e);\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e}\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e\u003cspan class=\"kw\"\u003evoid\u003c\/span\u003e \u003cspan class=\"fn\"\u003eloop\u003c\/span\u003e() {\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e  axis1.\u003cspan class=\"fn\"\u003emoveTo\u003c\/span\u003e(\u003cspan class=\"num\"\u003e200\u003c\/span\u003e);  \u003cspan class=\"cm\"\u003e\/\/ 200 steps\u003c\/span\u003e\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e  axis1.\u003cspan class=\"fn\"\u003erun\u003c\/span\u003e();\u003c\/span\u003e\n\u003cspan class=\"line\"\u003e}\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp class=\"labos-section-title\"\u003ePackage Contents\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFull metal arm frame with gearing\u003c\/li\u003e\n  \u003cli\u003eNEMA stepper motors\u003c\/li\u003e\n  \u003cli\u003eMotor mounting brackets\u003c\/li\u003e\n  \u003cli\u003eAll mechanical hardware\u003c\/li\u003e\n  \u003cli\u003eAssembly guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp class=\"labos-section-title\"\u003eWho Is This For?\u003c\/p\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003eadvanced makers\u003c\/strong\u003e who want industrial-grade precision, \u003cstrong\u003eengineering students\u003c\/strong\u003e learning stepper motor control and CNC concepts, and \u003cstrong\u003eprofessionals\u003c\/strong\u003e prototyping automated positioning systems.\u003c\/p\u003e\n\n\u003cp class=\"labos-section-title\"\u003eShipping \u0026amp; Returns\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFree US shipping\u003c\/strong\u003e on orders over $49. All orders ship within 1-3 business days with full tracking. International shipping available to Canada, Australia, New Zealand, and Europe. 30-day money-back guarantee on all kits.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"DIY Robotic Arm","offers":[{"title":"Only Slideway \/ China Mainland","offer_id":62532355391859,"sku":"1005006686747258-Only Slideway-China Mainland","price":162.95,"currency_code":"USD","in_stock":true},{"title":"Controller \/ China Mainland","offer_id":62532355424627,"sku":"1005006686747258-Controller-China Mainland","price":149.95,"currency_code":"USD","in_stock":true},{"title":"Full set all part \/ China Mainland","offer_id":62532355457395,"sku":"1005006686747258-Full set all part-China Mainland","price":499.95,"currency_code":"USD","in_stock":true},{"title":"Arm Motor Controller \/ China Mainland","offer_id":62532355490163,"sku":"1005006686747258-Arm Motor Controller-China Mainland","price":294.95,"currency_code":"USD","in_stock":false},{"title":"Arm with Motor \/ China Mainland","offer_id":62532355522931,"sku":"1005006686747258-Arm with Motor-China Mainland","price":254.95,"currency_code":"USD","in_stock":true},{"title":"Only robot arm frame \/ China Mainland","offer_id":62532355555699,"sku":"1005006686747258-Only robot arm frame-China Mainland","price":142.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/3408\/2419\/files\/Sa99a6459425441ad8b00375715fec2a2S.webp?v=1770829901","url":"https:\/\/diyroboticarm.com\/products\/full-metal-stepper-robot-arm-4-aixs-mechanical-arm-bracket-sliding-table-unassembled-kit-for-industrial-robot-model-stepper-claw","provider":"DIY Robotic Arm","version":"1.0","type":"link"}