Robotic joint motor

Joint motors are specialized in the design, development, and production of robotic joints. The motor has a combination of hollow and large apertures, which can ensure the perfect fusion of joint modules. The stator and rotor mechanism of the motor is compact. The rotor uses high-performance rare earth permanent magnet materials. And the rotational inertia is small, and the dynamic response is fast. The main applications include automated production lines, robotic joints, robotic joints, medical and medical instruments and equipment, precision instruments and industrial control systems, and many other applications.

Features

Ultra-low torque pulsation, easy speed control and precise positioning, compact structure, lightweight, low inertia

High starting torque

High torque density and excellent overload capacity, strong power

Precise control

Extremely low torque ripple for easy speed control and precise positioning

Hollow ultra-thin strong output

• Large hollow frameless motor, the outer diameter of the stator is only 54mm
• The fixed rotor has a compact structure with a total weight of only 0.27kg. The rotor uses high-performance rare earth permanent magnet materials.
• Superheat dissipation and low noise
• High accuracy, precise positioning, strong output, the continuous output torque of 0.42Nm

Fast response, smooth and reliable

• Small moment of inertia and fast dynamic response
• Minimal torque ripple, low moment of inertia, fast dynamic response
• Powerful and smooth at low speed, stable and reliable at high speed, the maximum speed can reach 4000RPM
• Configure Hall sensor

Basic parameters

Parameters

Drawings

Downdolad

Motor parameters Units 5420 6013 6425 7631 8427 10031
Rated power W 118 118 200 308 400 750
speed@Rated power rpm 4300 4000 3000 2300 3000 2000
 Rated voltage V 48 48 48 48 48 48
Rated torque Nm 0.42 0.44 0.9 1.7 1.76 4.3
Continuous current A 4.7 4.6 6.1 9.2 11.5 19.6
Peak torque Nm 1.4 1.45 2.8 5.52 5.2 11.7
Peak current A 16.1 15.3 19.8 32.6 38.2 52.6
Back EMF Vrms/krpm 6.4 6.3 9.3 12.6 9.8 14.3
Torque Constant Nm/Arms 0.096 0.094 0.149 0.185 0.155 0.227
cogging torque
mNm 1.2 1.1 2.4 1.9 1.6 7.2
Phase Resistance Ω 0.77 0.72 0.51 0.18 0.12 0.08
Stator d/q axis inductance
mH 0.31 0.3 0.59 0.29 0.3 0.15
Number of poles -- 12 12 8 12 12 12
Weight kg 0.27 0.26 0.51 0.72 0.91 1.71

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