The transmission end-of-line test bench performs loaded EOL testing and integrates an NVH test system. It simulates transmission operation under specified loads, speeds, and gear positions to evaluate performance and enable early fault diagnosis. It is suitable for EOL testing of transmissions used in new energy and hybrid powertrains.
High-precision servo positioning system; repeat positioning accuracy: ≤0.02 mm.
Regenerative energy control solution for recycling electrical energy within the system
Optimized vibration isolation and noise reduction design; test bench operating noise: ≤75 dB(A).
Scalable and highly flexible, supporting rapid changeover and testing of multiple models
Host computer and NVH system for test data review and NVH evaluation, respectively
Automatic clamping with an adjustable mechanism center distance to accommodate different DUT models.
NI real-time control module and high-precision motor drive controller for accurate motor control and high-speed real-time data acquisition
One-piece welded or cast base; shaft-system components achieve dynamic balance quality grade G2.5; all bases and drive shafts undergo FEA strength verification and resonance analysis.
CAN Communication Test
Static and Dynamic Park Tests
Static and Dynamic Shift Test
Oil Pump Capability Test
Clutch Leakage Test
T/C Torque Converter Test (Including Stall Test)
Clutch Kiss-Point Test
Clutch PT Test (PT = Pressure and Torque)
NVH Test in Each Gear Position
ATF Circulation and Filling System
Automatic Shift System
Shift Force Analysis System
Oil Pressure Measurement System
CAN Communication System
I/O Test
M+/M-/M Mode Check
PRND Self-Learning
Solenoid Valve Current Control
Shift Fork Self-Learning
PRND Shift Force Test
Clutch PI Self-Learning (PI = Pressure and Current)
Clutch Kiss-Point Self-Learning
Neutral Drag Torque Test
In-Gear Drag Torque Test
Shift Performance Test
Clutch PT Test (PT = Pressure and Torque)
Dynamic Park Test
Static Park Test
NVH Test (Including Gear Ratio Test)
ATF Circulation and Filling System
Automatic Shift System
Shift Force Analysis System
Independent Cooling Water Circulation System
CAN Communication System
Neutral PL/PR/PS Low-Pressure Range Check
Transmission Idle Capability Check
Transmission PL Pressure Check
Transmission PS Pressure Check
Transmission PR Pressure Check
Transmission Ratio Range Check and D-Gear No-Load Loss Test
Transmission CL/BR Pressure Check and N-Gear No-Load Loss Test
R-Gear No-Load Loss Test
TCR Pressure Test
P-Gear Park Test
Clutch Fill Time Check
NVH Test
N-Gear PS and PL Oil Pressure Check
Pressure Check with Start-Stop Function Enabled
Automatic Shift System
Shift Force Analysis System
Independent Cooling Water Circulation System
CAN Communication System
Differential Test
Reverse Light Function Test
Speed Sensor Check
Start-Stop Sensor Check
Gear Ratio Test
Gear Selection and Shift Force/Displacement Test
Gear Selection and Shift Vibration Test
NVH Test in Each Gear Position
Automatic and Manual Shift System
Shift Force and Displacement Analysis System
Shift Vibration Analysis System
Independent Cooling Water Circulation System
DHT Power Generation Operating-Condition Test
DHT Series Mode Test
DHT Parallel Mode Test
Generator and Drive Motor Resolver Initial-Angle Self-Learning
Lubrication Pump and Actuation Oil Pump Performance Test
Differential Test
Controller Software Flashing (CAN)
Electric Motor Performance Test
NVH Test in Each Gear Position
High-Precision Bidirectional DC Power Supply
High-Precision Resolver Decoding System and Host Computer Test Software
High-Speed CAN/CAN-FD Card
Adjustable center-distance mechanism compatible with multiple models and supporting rapid changeover
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