• OpenArm Kit bimanual 7DOF robotic arm kit on vertical stand, dual arms with grippers folded forward
  • Bimanual robotic arm kit close-up on mount, showing shoulder joints, forearms, and two gripper end effectors
  • Front view of dual robotic arms mounted on base plate, both grippers hanging straight down
  • Robotic arm assembly with labeled actuator modules (DM8009P, DM4340P, DM4340, DM4310) diagram overlay
  • DM-J4310-2EC actuator module close-up, cylindrical housing with silver mounting plate
  • DM-J4340-2EC actuator module close-up with multi-hole top plate and side connector
  • DM-J4340P-2EC actuator module close-up, black cylinder with silver top bracket
  • DM-J8009P-2EC actuator module front face close-up with concentric rings and mounting holes
  • Actuator set overview with quantities: DM-J4340P-2EC x2, DM-J4310-2EC x8, DM-J4340-2EC x2, DM-J8009P-2EC x4
  • Packing list image showing USB-to-CAN modules x2, cables x2, and power boards x2
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AIFITLAB

OpenArm Kit Bimanual 7DOF Robotic Arm Kit, 633mm Reach, CAN-FD 1kHz Control for R&D

OpenArm Kit Bimanual 7DOF Robotic Arm Kit, 633mm Reach, CAN-FD 1kHz Control for R&D

$3,893.00 USD
$3,893.00 USD
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Overview

OpenArm Kit is a bimanual robotic arm kit for manipulation prototyping and robotics R&D. It features 7DOF bimanual arms, a 633 mm arm reach, and CAN-FD control at 1 kHz.

Key Features

  • 7DOF bimanual arms
  • Arm reach: 633 mm
  • Weight per arm: 5.5 kg
  • Peak payload per arm: 6.0 kg
  • CAN-FD control: 1 kHz

Specifications

Mechanical / Dimension Notes

Arm reach 633 mm
Weight per arm 5.5 kg
Peak payload per arm 6.0 kg
Control CAN-FD control, 1 kHz
Dimension labels shown 305 mm; 697 mm; 773 mm; 630 mm; 436 mm; 220 mm; 190 mm; 250 mm
Base plate Stainless steel, thickness 8 mm; hole pitch 30 mm; 48 - M6
Joint ranges shown J1: +200° to -80°; J2: +100° to -100°; J3: +90° to -90°; J4: +140°; J5: +90° to -90°; J6: +45° to -45°; J7: +90° to -90°

Motor Technical Specifications

Parameter DM-J4310-2EC V1.1 DM-J4340-2EC (24V) DM-J4340P-2EC (24V) DM-J8009P-2EC
Nominal Voltage 24 V 24V 24V 24V
Nominal Current 2.5A 2.5A 2.5A 20A
Peak Current 7.5A 8A 8A 50A
Nominal Torque 3 N.M 9N.M 9N.M 20N.M
Peak Torque 7 N.M 27N.M 27N.M 40N.M
Nominal Speed 120 RPM 36RPM 36RPM 100rpm
Max. No-load Speed 200 RPM 52RPM 52RPM 24V: 160rpm
Reduction Ratio 10:1 40:1 40:1 9:1
Pole Pairs 14 14 14 21
Phase Inductance 340uH 317uH 360uH 80uH
Phase Resistance 650mΩ 650mΩ 760mΩ 880mΩ; 0.145Ω
Outer Diameter 56mm 57mm 57mm 98mm
Height 46mm 53.3mm 56.5mm 61.7mm
Motor Weight 300g 362g 375g 930g
Encoder Resolution 14Bit 14Bit 14Bit 14Bit
Encoder Quantity 2 2 2 2
Encoder Type Single-Turn Magnetic Encoder Single-Turn Magnetic Encoder Single-Turn Magnetic Encoder Single-Turn Magnetic Encoder
Control Interface CAN@1Mbps CAN@1Mbps CAN@1Mbps CAN@1Mbps
Configuration Interface UART@921600bps UART@921600bps UART@921600bps UART@921600bps

What’s Included

  • DM-J4310-2EC × 8
  • DM-J4340-2EC × 2
  • DM-J4340P-2EC × 2
  • DM-J8009P-2EC × 4
  • USB-to-CAN Module × 2
  • Cable × 2
  • Power Board × 2

Details

OpenArm Kit bimanual 7DOF robotic arm kit with dual manipulators mounted on a central base

OpenArm Kit provides a compact bimanual platform for manipulation prototyping, with two 7DOF arms on a rigid central mount.

Exploded view of OpenArm Kit arm assembly with CNC parts, aluminum extrusion, bearings, and 3D-printed casing

A modular arm structure combines aluminum extrusion, CNC-machined parts, bearings, and 3D-printed covers for rapid iteration in R&D builds.

OpenArm Kit specs graphic: 7DOF bimanual arms, 633 mm reach, 5.5 kg per arm, 6 kg payload, 1 kHz CAN-FD

Each arm reaches 633 mm and supports CAN-FD control at 1 kHz for responsive bimanual manipulation experiments.

Mechanical dimensions and joint range diagram for OpenArm Kit, including base plate details and J1–J7 limitsMotors kit packing list for OpenArm Kit with multiple motor models, USB-to-CAN modules, cables, and power boards