Final Assembly Inspection Line

The assembly inspection line is actually much the same, the assembly workshop is generally in the interior line, the chassis line will have a manual inspection post, respectively, there is a person responsible for the assembly line assembly content detection; However, the traditional assembly detection line refers to the final detection line, also known as the OK line. It is a comprehensive inspection after the complete assembly of the vehicle, which includes the following tests: 1. Visual quality inspection. Including the finish of the car, torque marking of the bolts, the assembly of parts in place, and the cleaning of the interior; 2. Configuration check, such as different configurations of the same model, differences in parts; 3. Vehicle fault code diagnosis, check whether there is an electrical fault; 4. Testing the texture and functionality of the vehicle, such as whether the door is shaken, whether the glove box can be opened normally, whether the brake lock is effective, and the adjustment and detection of lighting, front wheel front bundle and inclination Angle; 5. Rain test; 6. Road test (abnormal noise inspection on bumpy road, S turn, deviation inspection, mainly verify the chassis of the vehicle, power problems)

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Description

The structure of the test bench is mainly composed of a bracket, a large mobile base, a moving guide rail, a basic frame, a motor, a reduction wheel, a hub assembly, a pneumatic lifting device, a speed sensor, a displacement sensor, a frequency converter and other components.The drum test bench uses the electric inertia to simulate the kinetic energy of the vehicle on the road, and can withstand the load of the vehicle at the maximum acceleration and deceleration. Rotary drum warp good dynamic balance. It has the following functions:Dynamic driving brake force test: the car drives the drum. When the speed of the car reaches 80 km/h (the speed can be set by the user), brake until the car stops, and measure the dynamic driving braking force during the deceleration process.Astern test test (open or close as required).Acceleration performance (on or off as required)Automatic transmission testing and diagnostics, communication with the automotive ECU, according to test specifications (open or close as required).A safety drum protection device is installed at the rear of the rear drum group to prevent the vehicle from running out of the test stand during the test. In order to facilitate vehicle access to the test bench, a pneumatic lift is installed in the middle of each pair of rollers.

Using electric inertia to simulate the equivalent kinetic energy of a vehicle on the road, it can withstand the load of the vehicle during maximum acceleration and deceleration. The drum has good dynamic balance.
It has the following functions:
Braking force inspection (including the function of the brake table) display result summary and braking force curve, vehicle offline ABS/ESC/EPB test, display result summary and process curve, upshift/reverse performance test, coasting dynamic braking performance test (optional test items), speedometer test, sound level test (integrated), electric vehicle energy recovery test, air conditioning temperature test (integrated), brake pedal force and manual operation force test (optional test items)

测试项Test item	测量范围,精度Measuring range, accuracy
速度speed	0-130km/h,最高可达 Up to 160km/h
速度测量精度(满量程)Speed measurement accuracy (full scale)	±1.0％满量程full-scale (F.S)
动态制动力Dynamic braking force	>3000N/轮wheel;
静态制动力Static braking force	>6800N/轮wheel,±1.0％满量程full-scale (F.S)
轴距调节速度及精度Wheelbase adjustment for speed and accuracy	≥60mm/s,误差 error ±1.0mm
四轮速度偏差Four-wheel speed deviation	均速时Uniform time：≤±0.1km/h变速时Variable time：≤±0.5km/h