Solid Output Shaft Planetary Gear Transmission RV Reducer for Heavy Duty Robotic Arms

Name: Solid Output Shaft Planetary Gear Transmission RV Reducer for Heavy Duty Robotic Arms
SKU: 0

● Introduction

The Standard RV Reducer E Series is a precision reduction device featuring a two-stage closed differential gear system composed of a cycloid pinwheel and planetary gears, with a solid output shaft. It is widely used in industrial robotics applications.
For robotic arms with end loads ≤20 kg, RV reducers are primarily employed in base-to-high-load joints (typically Joints 1-4).
For robotic arms with end loads >20 kg, all six joints typically utilize RV reducers.
RV reducers serve as the core transmission component ensuring robotic arm positioning accuracy.

Features

● Solid Output Shaft

Enables direct load coupling and provides enhanced sealing convenience.

● Two-Stage Reduction Design

First Stage: Involute planetary gear transmission for initial speed reduction.

Second Stage: Cycloid pinwheel transmission for further speed reduction and torque stabilization.

● High Rigidity & Impact Resistance

Rigid disc support at the output ensures uniform load distribution, minimizing deformation.

Multi-crank shafts combined with high-precision bearings effectively disperse stress impacts.

● Compact Enclosed Structure

The transmission mechanism is integrated within the planetary carrier support bearings, significantly reducing axial dimensions.

Advantages

● High Load Capacity & Precision

Torque range: 50–7000 N·m, suitable for heavy-duty robotic arms (e.g., welding, material handling robots).

Backlash precision: <1 arcmin, with minimal repeat positioning error.

● Long Lifespan & High Reliability

Multi-tooth meshing (≥30 teeth) ensures even wear distribution, extending service life to 6,000–10,000 hours.

Superior fatigue resistance compared to harmonic drives, making it ideal for 24/7 continuous operation.

● High Efficiency & Adaptability

Transmission efficiency: 85%–95%, minimizing energy loss.

Wide reduction ratio range (31–203), adjustable via planetary gear teeth configuration.

● Exceptional Dynamic Performance

Low-vibration design guarantees smooth robotic arm operation, eliminating end-effector jitter.

Rapid acceleration response, enabling high-speed trajectory tracking.

Specification

Sheet 1

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	Output Speed r/min			5	10	15	20 25		30	40	50	60	Maximum Allowable Output Speed r/min	Allowable Acceleraton/ Deceleration Torque N-m	Momentary Maximum Allowable Torque Nm	Momentary Allowable Bending Moment N-m	Maximum Alowable Bending Moment N ·m	Torsional Rigidity N.m/ arcmin	Maximum Lost Motion arcmin	Backlash arcmin	Angle Transfer Error arsec	Allowable Radial Load N	Moment of lnertia Kgm²	Rated life h	Weight Kg
Model	Speed Ratio	Speed ratio		Output Torque N.m Input Power kW
		Shaft speed	Casing speed
20E	57	57	56	231 0.16	188 0.26	167 0.35	153 0.43	143 0.50	135 0.57	124 0.70	115 0.81	110 0.92	75	412	833	882	1764	49	1.0	1.0	70	7785	9.66×10-6	6000	4.7
	81	81	80																				6.07×10-6
	105	105	104																				4.32×10-6
	121	121	120																				3.56×10-6
	141	141	140																				2.88×10-6
	161	161	160																				2.39×10-6
40E	57	57	56	572 0.40	465 0.65	412 0.86	377 1.05	353 1.23	334 1.40	307 1.71	287 2.00	271 2.27	70	1029	2058	1666	3332	108	1.0	1.0	60	11594	3.25×10-5	6000	9.3
	81	81	80																				2.20×10-5
	105	105	104																				1.63×10-5
	121	121	120																				1.37×10-5
	153	153	152																				1.01×10-5
80E	57	57	56	1088 0.76	885 1.24	784 1.64	719 2.01	672 2.35	637 2.67	584 3.26	546 3.81	517 4.33	70	1960	3920	2156	4312	196	1.0	1.0	50	12988	8.16×10-5	6000	13.1
	81	81	80																				6.00×10-5
	101	101	100																				4.82×10-5
	121	121	120																				3.96×10-5
	153	153	152																				2.98×10-5
110E	81	81	80	1499 1.05	1215 1.7	1078 2.26	990 2.76	925 3.23	875 3.67	804 4.49			50	2695	5390	2940	5880	294	1.0	1.0	50	16648	9.88×10-5	6000	17.4
	111	111	110																				6.96×10-5
	161	161	160																				4.36×10-5
	175	1227/7	1220/7																				3.89×10-5
160E	81	81	80	2176 1.52	1774 2.48	1568 3.28	1441 4.02	1343 4.69	1274 5.34				45	3920	7840	3920	7840	392	1.0	1.0	50	18587	1.77×10-4	6000	26.4
	101	101	100																				1.40×10-4
	129	129	128																				1.06×10-4
	145	145	144																				0.87×10-4
	171	171	170																				0.74×10-4
320E	81	81	80	4361 3.04	3538 4.94	3136 6.57	2881 8.05	2695 9.41	2548 10.7				35	7840	15680	7056	14112	980	1.0	1.0	50	28067	4.83×10-4	6000	44.3
	101	101	100																				3.79×10-4
	118.5	118.5	117.5																				3.15×10-4
	129	129	128																				2.84×10-4
	141	141	140																				2.54×10-4
	171	171	170																				1.97×10-4
	185	185	184																				1.77×10-4
320E3	81	81	80	4361 3.04	3538 4.94	3136 6.57	2881 8.05	2695 9.41	2548 10.7				25	7840	15680	7840	15680	1078	10	1	50	30165	4.83×10-4	10000	47
	101	101	100																				3.79×10-4
	118.5	118.5	117.5																				3.15×10-4
	129	129	128																				2.84×10-4
	141	141	140																				2.54×10-4
	171	171	170																				1.97×10-4
	185	186	187																				1.77×10-4
																							1.88×10-4
450E	81	81	80	6135 4.28	4978 6.95	4410 9.24	4047 11.3	3783 13.2					25	11025	22050	8820	17640	1176	1.0	1.0	50	30133	8.75×10-4	6000	66.4
	101	101	100																				6.91×10-4
	118.5	118.5	117.5																				5.75×10-4
	129	129	128																				5.20×10-4
	154.8	2013/13	2000/13																				4.12×10-4
	171	171	170																				3.61×10-4
	192	1347/7	1340/7																				3.07×10-4

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