Robot Arm meArm User Manual

www.spiercetech.com
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meArm Assembly Manual v0.4
meArm v0.4 Assembly Manual
The meArm is a pocket sized, open source, robotic arm designed by Ben Gran of Nottingham, England.
This assembly manual was created by Scott Pierce (www.spiercetech.com)
Original assembly instructions can be found at: www.instructables.com/id/Pocket-Sized-Robot-Arm-meArm-V04/
Hardware source files can be found at: www.thingiverse.com/thing:360108
Software source code can be found at: www.github.com/phenoptix/MeArm
Alternate source code can be found at: www.instructables.com/id/MeArm-software

Robot Arm meArm Specifications

General

Degrees of Freedom	4
Control Interface	PWM (Pulse Width Modulation)
Assembly Required	Yes
Material	Acrylic
Compatibility	Arduino, Raspberry Pi, other microcontrollers
Weight	Approx. 500g
Operating Voltage	5V - 6V
Servo Motors	4
Payload	Approx. 100g

Summary

Fasteners

meArm Assembly Steps

Base Assembly

Assembly of the meArm base plate, rubber feet, and initial screw attachments.

Left Arm Assembly

Assembly of the left arm components including the servo and arm plates.

Right Arm Assembly

Assembly of the right arm components including the servo and arm plates.

Arm Component Integration

Connecting left arm mount tab, base joint, and arm bottom plate.

Main Arm Structure Assembly

Joining arm base crossmembers, servo plates, and cross web.

Arm to Base and Wrist Attachment

Attaching the main arm assembly to the base and connecting the left wrist joint.

Linkage and Wrist Assembly

Attaching parallel linkages and the right wrist joint.

Gripper Assembly

Assembly of the gripper mechanism, actuating arms, and servo mounts.

Final Gripper Attachment

Attaching the left and right sides of the gripper assembly to the main arm.