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72 inch heavy chassis dynamometer (2x4)

The purpose of the system is a hub test bench that can perform automotive performance testing and transmission component running in testing. The system uses an AC electric dynamometer, which can simulate road resistance with full electrical inertia based on the inherent mechanical inertia of the hub dynamometer. It can also reproduce the road driving resistance of the tested vehicle or customize road resistance. The system is in accordance with national standards and technical requirements of European and American certification regulations, A completely independent design and development of a brand new automotive testing system with independent intellectual property rights. The system can perform running in tests on the vehicle offline in different ways, such as constant speed and working cycle, to meet the detection of transmission components when the vehicle is offline.
Product serial number
72寸重型底盘测功机(2x4)
System advantages
Parameters
System Characteristics
Technical parameter

72 inch (1828.8mm ± 0.254mm) hub, AC motor, suitable for heavy-duty commercial vehicles
Motor side mounted

High precision and high repeatability for quality simulation

Precision higher than EPA requirements

Extremely compact design

High dynamic stability and good performance

Configure common emission testing system interfaces

Automation software modules

Easy system upgrade

We could not find any corresponding parameters, please add them to the properties table

●Full electrical inertia simulation

●Can perform single axis differential testing

●Clear operation mode and fast data extraction speed

●High level torsional stiffness, torque vector testing

●Modular testing concept, which can be combined with various budget plans for requirements

●Advanced driver assistance system

●Applicable to different driver operation types

●Easy to serve

Motor power: 220kw * 2/455kw * 2/560kw * 2

Structural method: Motor mounted in the middle

Hub size: 72 inches (1828.8mm ± 0.254mm)

Maximum speed: ≥ 120km/h

Front axle reference inertia: 7270kg (single axle)

Reference inertia of moving axis: 7270kg (single axis)

Inertia simulation range: 3500kg -15000kg/30000kg/49000kg

Inertia increment: 0.454kg

Inertia simulation accuracy: ± 0.1% F.S

Traction measurement accuracy: ± 2%

Traction control accuracy: ± 0.5% F.S

Acceleration measurement accuracy: ± 0.01m/s2

Speed measurement accuracy: ± 0.05km/h

Speed control accuracy: ± 0.1km/h

Speed synchronization accuracy: ± 0.1km/h

Distance measurement accuracy: ± 0.001m/m

Time measurement accuracy: ≤ ± 1ms

Surface treatment: metal thermal spraying/chromium steel flame thermal spraying

Bearing structure: Three ring bearing

Rated traction force: 16000N * 2/35000N * 2/40000 N * 2 (V ≤ 51km/h)

Dynamometer overload capacity: 130% (60s)

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Address: No. 79, Tinghua Road, Tinglin Industrial Zone, Jinshan District, Shanghai, China

Phone: +86-15221756345/+86-18602502533

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