High Precision and Heavy Load Micro Robot Reducer

Product Advantage

• The robot reducer hasa series of advantages such as small volume, light weight, large transmission ratio range, long service life, highaccuracy, high efficiency, high load carrying capacity, stable transmission, high torsional rigidity, low starting torque, and customizability.
• The high precision reducer model is lightweight, significantly smaller in size than traditional planetary reducers, and can save installation space. It uses high-strength alloy steel, which has a stronger loadcarrying capacity than harmonic reducers.
• The cycloidal gear has been modified to make it have a large number of meshing gears at the same time, no interference and no chipping, wear resistance, and can withstand frequent forward and reverse rotation and instantaneous emergency stop inertial impact.
• The micro RVreducer belongs to line contact transmission, with low friction coefficient, high efficiency, low temperature rise, large output torque, and low inertia. It is a precision heavy-duty rigid transmission.
• The micro cycloidal reduceris lubricated with long-lasting grease, does not require maintenance, and has unrestricted installation direction.

 

 

 

Technical Parameters

• Speed ratio: 19/39/59/79/99/119/139, or customizable.
• Rated outputspeed: 15 r/min.
• Rated torque: 6-480 Nm.
• Allowableacceleration/decelerationtorque: up to 1200 Nm.
• Momentarymaximumallowable torque: up to 2400 Nm.
• Rated servicelife: 6000 h.
• Backlash: ≤ 1arc·min.
• Outer flange diameter: 40-160 mm.
• Characteristic: smaller, ultra-thin, lightweight and high rigidity, anti-overload and high torque.
• Noise: ≤60 dB.

 

 

Technical Parameters Table

 

Model	J40	J60	J80	J100	J120	J140	J160
Standard speed ratio	19/39/59/79 (or customizable)		19/39/59/79/99/119/139 (or customizable）
Rated torque (Nm)	6	25	60	115	200	320	480
Allowable acceleration/deceleration torque (Nm)	15	62.5	150	287.5	500	800	1200
Momentary maximum allowable torque (Nm)	30	125	300	575	1000	1600	2400
Rated output speed (rpm)	15
Rated service life (h)	6000
Backlash (arc·min)	≤ 1
Torsional stiffness (Nm/arc·min)	3	6	16	30	55	85	150
Outer flange diameter (mm)	40	60	80	100	120	140	160
Weight (kg)	0.28	0.45	0.85	1.72	3.35	5.31	7.54

 

Design and Testing

Using finite element simulation analysis and virtual prototyping technology, systematic design is conducted for the tooth structure, tooth surface stress, bearing strength, and other indicators to ensure optimal theoretical design indicators. At the same time, a large amount of processing, trial production, and testing is performed to modify the theoretical design.

 

 

Fig. 1. Finite element analysis of cycloidal gear pair

 

 

 

Fig. 2. Finite element analysis of needle bearing pair

 

Fig. 3 Comprehensive performance test rig for precision reducer

 

Fig. 4 Transmission efficiency curve of robot reducer

 

 

Fig. 5 Transmission error curve of micro RV reducer

 

 

Application Area

The robot reducer is widely used in robot joint, robot dog, automation equipment, semiconductor equipment, machine tools, medical equipment, and other industries.