Dongfeng Basic principles of car chassis modification

The modification of the car chassis refers to the functional installation of the second -class chassis provided by Dongfeng car company (hereinafter referred to as Dongfeng), which does not involve any assembly replacement.

In view of the sales principles of Dongfeng chassis commercialization, Dongfeng Company cannot take technical responsibility for the modification plan of all modified units and modification vehicles; It is recommended to consider the following points:

1. Remove part of the structure and the rationality connected to the frame;

2. The rationality of the quality distribution of the axis load after modification, the uniformity of the left and right bearing;

3. The rationality of processing needs to be processed on the original chassis due to the modification;

4. Project restrictions on security and regulations, etc.;

5. After the modification, the total quality of the entire vehicle must not exceed the maximum total quality of the allowable, and the axis quality must not exceed the allowable maximum axial load quality;

6. The distribution of loads should be basically uniform, and the maximum deviation must not exceed 3%;

7. The position of the center of gravity should be as low as possible, but there must be a space required for the height of the wheel bullet;

8. After the modification, the vehicle Overall Dimensions must not exceed the limit, the vehicle rear suspension must not exceed the standard limit;

9. The modified vehicle should ensure maintenance and maintenance;

10. The modified vehicle must meet the current national regulations;

Note: Dongfeng The company does not allow the modified unit to modify the vehicle extension Wheelbase. As for the special circumstances of extending, reducing the vertical beams of the frame, and changing the position of the beams, it should be to Dongfeng car company technology The center conducts consultation, contact, and helps to avoid the quality of modification.