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Electric vehicle shell machining method

A processing method and technology for electric vehicles, applied in the field of automobile gearbox processing, can solve the problems of mismatch of three-face process rhythm, dimensional stability production, single processing method, etc., to improve the overall efficiency of equipment, improve flatness, ensure consistent effect

Pending Publication Date: 2022-07-29
DONGFENG SHIYAN NONFERROUS CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. The processing method is single, and the size is stable;
[0004] 2. The rhythm of the three surface processes does not match, resulting in waste of production capacity

Method used

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  • Electric vehicle shell machining method

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Comparison scheme
Effect test

Embodiment 1

[0020] see figure 1 A method for machining an electric vehicle casing of the present invention is shown, and the steps are as follows:

[0021] 1) Determine the processing surface of the shell: the shell has four surfaces that need to be processed, the upper and lower planes and the two peripheral boss surfaces, and the two peripheral boss surfaces have a 30° installation angle with each other;

[0022] 2) The shell is processed through two processes:

[0023] a. Process 1: When installing a boss on the periphery of the part, ensure that it is perpendicular to the machining tool, and machine the upper and lower planes of the shell, the high-precision hole and the side in one direction at one time;

[0024] b. Process 2: Deflect the part by 30° to be perpendicular to the machining tool, and process the side surface and the remaining apertures of the upper and lower planes in the other direction relative to the process 1;

[0025] 3) Carry out high pressure cleaning and low pr...

Embodiment 2

[0030] like figure 1 A method for machining an electric vehicle casing of the present invention is shown, and the steps are as follows:

[0031] 1) Determine the processing surface of the shell: the shell has four surfaces that need to be processed, the upper and lower planes and the two peripheral boss surfaces, and the two peripheral boss surfaces have a 30° installation angle with each other;,

[0032] 2) The shell is processed through two processes:

[0033] a. Process 1: When installing a boss on the periphery of the part, ensure that it is perpendicular to the machining tool, and machine the upper and lower planes of the shell, the high-precision hole and the side in one direction at one time;

[0034] b. Process 2: Deflect the part by 30° to be perpendicular to the machining tool, and process the side surface and the remaining apertures of the upper and lower planes in the other direction relative to the process 1;

[0035] 3) Carry out high pressure cleaning and low ...

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Abstract

The invention provides an electric vehicle shell machining method, which relates to the field of automobile transmission machining, and comprises the following steps of: 1) finishing the upper and lower planes of a shell, a high-precision hole and a side surface in one direction by adopting one procedure; and 2) finishing the other holes with the angle direction on the other side surface and on the upper surface and the lower surface of the shell by adopting one process. By the adoption of the machining method, two machining procedures are used for completing two holes in the upper plane, the lower plane and the side face of the part; in the operation process, the processing content can be adjusted according to the processing content, working hours and takt of the two procedures, so that the processing takt is consistent, and the comprehensive efficiency of equipment is improved; in addition, the dimensional stability of the flatness, the roundness, the location degree, the roughness and other linear tolerances and form and location tolerances of important sizes of the shell is effectively improved.

Description

technical field [0001] The invention relates to the field of automobile gearbox processing, in particular to a method for processing an electric vehicle casing. Background technique [0002] At present, the electric vehicle casing is a high-pressure aluminum alloy, which is an important part of the gearbox. The large-plane inner cavity of the electric vehicle casing is equipped with bearings, shift motors, shift fork bearings, oil seal holes and mating surfaces. The traditional processing method is to use 3 vertical machining centers to gradually process the upper, lower and side faces. This method has the following problems: [0003] 1. The processing method is single, and the dimensional stability is produced; [0004] 2. The rhythm of the three surfaces does not match, resulting in waste of production capacity. SUMMARY OF THE INVENTION [0005] In view of the above problems, the present invention provides a method for machining an electric vehicle casing, which can no...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 李建明
Owner DONGFENG SHIYAN NONFERROUS CASTING
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