RV Reducer for positioner robot joint reducer gear box

Product Overview

RV series cycloidal pin wheel precision reducer is specially designed for industrial robot posture adjustment joints. It adopts double cycloidal wheel-pin gear housing precision meshing technology, transmission ratio range 11-289, output torque 35N·m-6500N·m. It is suitable for 50W-7.5kW servo motor interface, positioning accuracy ≤1 arc minute (ISO 1328 standard), protection level IP68, through impact resistance test (100G/6ms) and extreme temperature change cycle verification (-40℃~150℃), meeting the needs of high-precision scenarios such as aerospace and collaborative robots.

Product features

Zero backlash precision transmission

Cycloidal wheel is cryogenically treated (-196℃ liquid nitrogen quenching) + vacuum carburized, tooth surface hardness HRC60±2, meshing clearance ≤3μm

Impact-resistant integrated design

The housing is cast with Ti-6Al-4V titanium alloy, with a bending strength of 950MPa and a vibration value of ≤0.8mm/s (ISO 10816-3 standard)

Ultra-thin modular architecture

The axial length is 42% shorter than that of traditional models, suitable for the compact joint space of collaborative robots with 7 degrees of freedom (thickness ≤68mm)

Intelligent lubrication system

Integrated oil mist lubrication device (SKF LAGD series grease), maintenance cycle ≥ 50,000 hours (under extreme conditions)

Global compliance certification

Meets CE (EU), CR (China Robot), UL (North America) certification, compatible with EtherCAT/PROFINET industrial bus protocol

Product advantages

Dynamic accuracy guarantee:

Real-time torque compensation algorithm (patent number CN2023XXXXXX), angular hysteresis fluctuation ≤ ±0.5 arc second (high-speed start-stop condition)

Adaptation to extreme environments:

Optional aluminum nitride ceramic coating version (friction coefficient 0.05), resistant to PH1-14 corrosive media

Full life cycle service:

Provide predictive maintenance SDK (including vibration/temperature/torque AI diagnostic module)

Energy efficiency innovation:

Transmission loss is reduced by 27% compared with harmonic reducer, in line with EU ERP Tier V Energy Efficiency Standard

Typical Application Scenarios

Industrial Robots: Sixth Axis of Automobile Welding Positioner, Rotary Joint of SCARA Robotic Arm

Medical Equipment: End Effector of Microsurgery Robot, Orthopedic Navigation Positioning Drive Module

Aerospace: Satellite Solar Panel Deployment Mechanism, Precision Transmission of Space Station Robotic Arm

Special Equipment: Multi-DOF Joint of Deep-sea Operation Manipulator, Explosion-proof Robot Grasping System

FAQ Core Technology Answers

Q1: Compared with Harmonic Reducer, What is the Life of RV Reducer?

Life is extended by 3 times under the same load (average harmonic 20,000 hours vs RV Cycloidal Pin Wheel Precision Reducer 60,000 hours)

Q2: How to ensure the accuracy stability after long-term use?

Using preload self-adjusting system (piezoelectric ceramic sensor array), the accuracy attenuation rate is ≤0.03 arc seconds/10,000 hours

Q3: Anti-corrosion solution in high humidity environment?

Standard surface micro-arc oxidation treatment (film thickness 15-25μm), salt spray test ≥3000 hours (ASTM B117 standard)

Q4: Does it support multi-axis synchronous control?

Provide EtherCAT bus version (support 128-axis cascade), synchronization accuracy ±1μs (compliant with IEEE 1588 standard)