Transmission performance testing system-Hunan Xiangyi Power Testing Instrument Co., Ltd.

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Transmission performance testing system

Publication Time:

2022-05-12

Author:

Source:

1 Overview of Transmission Performance Testing System

The transmission test bench is mainly used for performance and durability tests of transmissions, covering a range of test pieces including MT 、 AT 、 AMT 、 DCT 、 CVT Hybrid HEV Automatic Transmission, Pure Electric EV Transmission, two-stage reducer, and various other transmission life and performance tests

2 Types of Transmission Performance Testing Systems

2.1 Torque Converter Test Bench

2.2 Differential Test Bench

2.3 Transmission Performance and Fatigue Life Test Bench

2.4 Synchronizer Test Bench

3 Test Bench Functions

Torque Converter Test Bench: Applied to fatigue testing and development research of torque converter products, it can meet various performance and reliability tests of torque converter products on various engineering vehicles, military vehicles, and commercial vehicles.

Differential Test Bench: Mainly used for fatigue testing and development research of passenger car differential products, it can meet various performance and reliability tests of differentials.

Transmission Performance and Fatigue Life Test Bench: A dedicated test bench for mechanical transmission performance testing and fatigue life testing, it can be used for control strategy development tests of passenger cars and commercial vehicles, providing test support for vehicle control strategy development and optimization, and can complete component performance and durability tests, road condition simulation tests, and customized condition simulation experiments. It features reasonable structure, convenient operation, and stable and reliable system.

Synchronizer Test Bench: Performance and life testing of synchronizers

4 Technology and National Standards

Torque Converter Test Bench:

GB/T7680-2005 《Testing Methods for Hydraulic Torque Converter Performance》
JB/T9720-2001 《Testing Methods for Engineering Machinery Transmission Performance》
JB/T9711-2001 《General Technical Conditions for Single-Stage Centrifugal Turbine Hydraulic Torque Converters》
JB/T 10135-1999 《Technical Conditions for Engineering Machinery Hydraulic Transmission Devices》

Differential Test Bench:

QC/T 568.1-2011 《Test Methods for Automotive Mechanical Transmission Assemblies Part 1 Micro》
QC/T 29063.1-2011 《Technical Conditions for Automotive Mechanical Transmission Assemblies Part 1 Micro》

Transmission Performance and Fatigue Life Test Bench

QC/T568 - 1999 《Test Methods for Automotive Mechanical Transmission on Test Bench》
QC/T29063 - 1992 《Technical Conditions for Automotive Mechanical Transmission Assemblies》

Synchronizer Test Bench

5 Topology

6 Xiangyi Advantages

Wide Product Coverage

Adaptable to various types and specifications of powertrain under test, used for MT 、 AT 、 AMT 、 DCT 、 CVT Hybrid HEV Automatic Transmission, Pure Electric EV Fatigue life testing of transmissions, two-stage reducers, and various transmission assemblies (under high and low temperature environments)

Road Simulation Test & Real Vehicle Load Spectrum Test
Parameters such as vehicle slip coefficient, vehicle mass, and tire rolling radius can be imported to conduct road simulation tests of the vehicle transmission system;
Can achieve C-WTVC、 NEDC 、 CLTC 、 WLTP and other tests;
Real vehicle load spectrum testing can be achieved.

Supports communication with ETAS （ INCA ）、 CANape and other transmission calibration and control tools to achieve control of the automatic transmission by the test bench software;
It can simulate the shifting conditions during actual vehicle driving.

Modular Design:

Mechanical, electrical, and software all adopt modular design, allowing for flexible construction of the test environment according to different test objects;

Advanced Measurement and Control System:

Shares a mature platform with other Xiangyi power testing systems, data acquisition, control, storage, and protection can all be customized by the user. The human-machine interface is user-friendly, with a one-button automatic test function, reducing the complexity of the test and reducing the workload of the test personnel;
Suitable for different user groups, easy to use, and combines intelligence, openness, and flexibility.

Safety Protection
It has system-level protection and user-defined hierarchical protection measures to ensure the safe operation of the test bench and test.
The test stand can be connected to a vibration monitoring system, which displays the vibration curves in both time and frequency domains in real time, the vibration trend during the test process, and automatically alarms and stops the machine when the vibration monitoring threshold is triggered.

Energy saving and environmental protection
The dynamometer allows for energy recycling, achieving energy saving and environmental protection.