Precision Reduction Gear RV-E Reducer

Short Description:

Reduction gear RV is a reduction gear for precise motion control which uses a planocentric reduction gear mechanism. This reduction gear design has advantages in rigidity and resistace against overload with a compact body due to a large number of simultaneously engaged gear teeth. Furthermore, minimal backlash, rotational vibration and low inerita lead to rapid acceleration, smooth motion and accurate positioning.

Feature 1: Minimal vibration

Feature 2: Wide range of reduction ratios

Feature 3: High torque density

Feature 4: High shock load resistance

Feature 5: High rigidity

Feature 6: High accuracy

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Product Detail

Product Tags

Precision reduction Gear RV reducer

Since 2011, Yunhua company has started the research and development, producing and sales of RV reducer.

As the core parts in the field of transmission, our reducers are used in industrial robots and positioner, rail transit, automotive and other fields.

Through the continuous efforts of the new and old Yunhua technician, the E series and C series of Yunhua reducer have withstood challenge of market,

and constantly improve the accuracy and create value for users.

Application Field

Industrial Robot

Positioner

Wind Turbine Generator

Construction Machinery

Automatic doors

Tankers

Technology Parameters

Model	RV-20E	RV-40E	RV-80E	RV-110E	RV-160E	RV-320E
Standard Ratio	57 81 105 121 141 161	57 81 105 121 153	57 81 101 121 153	81 111 161 175.28	81 101 129 145 171	81 101 118.5 129 141 153 171 185 201
Rated Torque (NM)	167	412	784	1078	1568	3136
Allowable starting/stopping torque (Nm)	412	1029	1960	2695	3920	7840
Momentary max.allowable torque(Nm)	833	2058	3920	5390	7840	15680
Rated output speed (RPM)	15	15	15	15	15	15
Allowable output speed: duty ratio 100% (reference value(rpm)	75	70	70	50	45	35
Rated service life(h)	6000	6000	6000	6000	6000	6000
Backlash/Lostmotion (arc.min)	1/1	1/1	1/1	1/1	1/1	1/1
Torsional rigidity (central value) (Nm/arc.min)	49	108	196	294	392	980
Allowable moment (Nm)	882	1666	2156	2940	3920	7056
Allowable thrust load(N)	3920	5194	7840	10780	14700	19600

Demension size

Model	RV-20E	RV-40E	RV-80E	RV-110E	RV-160E	RV-320E
A(mm)	65	76	84	92.5	104	125
B(mm)	145	190	222	244h7	280h7	325h7
C(mm)	105h6	135h7	160h7	182h7	204h7	245h7
D(mm)	123h7	160h7	190h7	244h7	280h7	325h7

Features

Integrated angular ball breaings

Benefits: increases reliabity

Reduces overall cost

Attributed to: Built-in angular ball bearing construction improves the ability to support external loads, increases moment rigidity and maximum allowable moment.

2 Stage reduction

Benefits: Reduces vibration, Reduces inertia

Attributed to Low speed rotation of the RV gear reduces vibration Reduced size of the motor coupling part lowers inertia

All main elements are supported on both sides

Benefits:

Higher torsional stiffness

Less vibration

High shock load capability

Rolling contact elements

Benefits:

Excellent starting efficiency

Low wear and longer life

Low backlash

Pin&gear structure

Benefits

Excellent starting efficiency

Low wear and longer life

Low backlash

RV-E Reducer Model

RV-20E

RV-40E

RV-80E

RV-110E

Daily Maintenance and trouble shooting

Inspection item	Trouble	Cause	Handling method
Noise	Abnormal noise or Sharp change of sound	Reducer damaged	Replace reducer
Noise	Abnormal noise or Sharp change of sound	Installation problem	Check the installation
Vibration	Big vibration Vibration increase	Reducer damaged	Replace reducer
Vibration	Big vibration Vibration increase	Installation problem	Check installation
Surface temperature	Surface temperature increase sharply	Oil lack or grease deterioration	Add or replace grease
Surface temperature	Surface temperature increase sharply	Over rated load or speed	Reduce load or speed to rated value
bolt	Bolt loose	bolt torque not enough	Tightening bolt as requested
oil leakage	Junction surface oil leakage	Object on junction surface	clean ohject on junction surface
oil leakage	Junction surface oil leakage	O ring damaged	Replace O ring
accuracy	Gap of reducer becomes larger	Gear abrasion	Replace reducer

CERTIFICATION

Official certified quality assurance

FQA

Q: What should I provide when I choose a gearbox/speed reducer?
A: The best way is to provide the motor drawing with parameters. Our engineer will check and recommend the most suitable gearbox model for your reference.
Or you can also provide the below specification as well:
1) Type, model, and torque.
2) Ratio or output speed
3) Working condition and connection method
4) Quality and installed machine name
5) Input mode and input speed
6) Motor brand model or flange and motor shaft size