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DIY Acrylic Robot Manipulator Mechanical Arm Kit (not-including Servo and Board)

DIY Acrylic Robot Manipulator Mechanical Arm Kit (not-including Servo and Board)

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ComponentSpecification
MaterialHigh-Quality Black Acrylic
Degrees of Freedom4-DOF (Base, Shoulder, Elbow, Gripper)
Servo CompatibilitySG90 / MG90S 9g Micro Servos
Assembly TypeDIY Nut & Bolt Assembly
ColorSleek Black
Thickness~3mm Acrylic Sheets
Price
₹ 309.32 ₹ 309.32
(Tax included)

Product Description The DIY Acrylic Robot Manipulator is a lightweight and cost-effective 4-DOF mechanical arm frame designed for students and hobbyists to explore the fundamentals of robotics. Precision laser-cut from durable black acrylic, this kit provides a stable structure for learning inverse kinematics and servo control. Since it does not include servos or a controller, it offers the flexibility to use your own components for a customized build.

Key Features

  • 4-DOF Movement: Allows for base rotation, shoulder movement, elbow articulation, and a functional gripper.

  • Precision Laser Cut: All parts are engineered for a perfect fit, ensuring smooth mechanical motion once assembled.

  • Open-Source Style: Compatible with most Arduino or ESP32-based servo controllers available in the market.

  • Educational Value: An excellent project for teaching structural engineering, gear ratios, and mechanical linkages.

  • Lightweight Design: Optimized for 9g micro servos, making it safe for tabletop experimentation and classroom use.

Technical Details

  • Hardware Included: Comes with the necessary nuts and bolts required to assemble the acrylic frame.

  • Note on Electronics: Requires 4 Micro Servos (SG90 or MG90S) and an Arduino-compatible board to function.

  • Gripper Span: Designed to pick up lightweight objects like foam cubes, paper balls, or small plastic parts.

Prototyping and Engineering Tips from Robogears

  • Servo Upgrade: While standard SG90 plastic-gear servos work, we highly recommend using MG90S metal-gear servos for the "Shoulder" and "Elbow" joints. These joints carry the most weight, and metal gears will prevent stripped teeth during heavy lifting.

  • Power Management: Do not power the servos directly from your Arduino's 5V pin. Use an external 5V 2A power adapter or a Li-ion battery with a buck converter to prevent the controller from resetting under load.

  • Software Calibration: Before attaching the servo horns to the acrylic parts, use your code to center all servos to 90 degrees. This prevents the arm from hitting its own mechanical limits upon first startup.

  • Smooth Motion: If you find the joints are too tight, slightly loosen the bolts. Applying a tiny drop of plastic-safe lubricant to the moving acrylic contact points can also reduce friction.

Package Includes

  • 1 x Set of Laser-Cut Acrylic Parts

  • 1 x Complete Set of Assembly Screws and Nuts

Disclaimer Images are for reference; actual acrylic thickness or screw types may vary slightly by production batch. ELECTRONICS NOT INCLUDED: This is a mechanical frame kit only.