High Adaptability Light Weigh Harmonic Motor Robot Joint Motor
HPJM-RE70-80-PRO-XX Robot Joint Motor
P/N Interpretation
Product description
A robot joint motor is a critical component that powers the movement of a robotic arm or similar systems. It’s typically a rotary actuator, and its key requirements depend on the application, such as precision, torque, speed, and reliability.
Since your rotary actuator already integrates a motor, gearbox, and encoder for high precision, it’s well-suited for robotic joint applications.
Robotic joints, which are sometimes known as axes, are the moveable parts of a robot that cause relative motion between adjacent links. These links refer to the rigid components that connect the joints to ensure their proper and straightforward operation.
Features
√ High power density
√ High adaptability
√ Light weigh
√ High torque densities
√ Precision joint encoders, no backlash
√ High output powers, well coolable
√ Dynamic motions and high peak torques
√ IP50 ingress protected
√ Integrated electronics and joint output bearing
√ Mobile Autonomous Robots (Humanoids, Quadrupeds, Mobile Manipulation)
Detailed Images
Specification Sheet
| Reduction Ratio | 51 | 81 | 101 | 121 | ||
| Rated torque | N·m | 27 | 30 | 43 | ||
| Maximum torque at start and stop | N·m | 42 | 53 | 66 | ||
| Peak torque | N·m | 76 | 95 | 120 | 95 | |
| Reduction Ratio | Rated current (with aluminum heat sink) | A | 6.7 | |||
| Maximum current | A | 19.2 | ||||
| Rated speed | RPM | 60 | 38 | 29 | 23 | |
| Maximum speed | RPM | 75 | 52 | 40 | 33 | |
| Absolute encoder | Encoder Type | Hollow absolute multi-turn encoder | ||||
| Encoder resolution (motor 1 rotation) | 17 bits | |||||
| Motor multiple revolution counter | 216(65,536) | |||||
| Backlash | Arc sec | 20 | 10 | |||
| Can be customized within 10Arc sec | ||||||
| Mass | Without brake | kg | 0.91 | |||
| Length | mm | 68.1 | ||||
| Through Hole | mm | 14 | ||||
| Mass | With brake | kg | 1.2 | |||
| Length | mm | 87.6 | ||||
| Through Hole | mm | 14 | ||||
| Maximum continuous power of motor | W | 300 | ||||
| Supply voltage | V | 24-48V | ||||
| Communication bus | CAN | |||||
| Motor insulation | Heat resistance grade:F(155℃) | |||||
| Insulation resistance: Above 200M Ω(DC500V) | ||||||
| Insulation withstand voltage: AC1500V(1 minute) | ||||||
| Protection mechanism (protection level) | Fully enclosed and self-cooling (default IP50, special customized IP65, IP67, IP68) | |||||
| Gear Ratio | Peak Torque | Max Allowable Torque At Average Load (N.m) | Rated Torque at 2000RPM (N.m) | Peak Speed (RPM) |
Rated Speed (With 1/2 Rated Torque) (RPM) |
Gear Backlash (arcsec) |
| 51 | 63 | 42 | 32 | 77 | 61 | 20 |
| 81 | 91 | 58 | 42 | 48 | 38 | 20 |
| 101 | 102 | 61 | 50 | 40 | 30 | 10 |
| 121 | 108 | 61 | 50 | 30 | 25 | 10 |
| Rated Power (W) |
Supply Voltage (V) |
Max Continous Current (A) |
Rated Current (A) |
Resistance (Ω) |
Encoder Resolution (bit) |
Communication Bus |
| 500 | 24-48 | 8.4 | 6.1 | 0.38 | 17 | CAN |
| Torque Constant (N.m/A) |
Inductance (mH) |
Number of Pole-pairs | Hollow Shaft (mm) |
Length (mm) |
Mass (kg) |
Inertia (g*cm2) |
| 0.118 | 0.33 | 10 | 15 | 71.4±0.5 | 0.95 | 569 |
Application
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| Robots and Dronesnh | Collaborative Robotic Arm | Automated Production Lines |
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| CNC Machines | Medical Devices | AGV Logistics |
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