A method for positioning and aligning a multi-step rotating shaft with repeated clamping

Abstract

The present application relates to the technical field of mechanical processing, and discloses a method for positioning and aligning a multi-step rotating shaft with repeated clamping, including two clamping and alignment, wherein the first clamping and alignment includes clamping parts, segment alignment parts, Review the cylinder of the part to be processed, establish the processing coordinate system, review the center of the bottom corner adjacent to the part to be processed and record the center value, and finally complete the first clamping alignment; the second clamping alignment includes clamping parts, Align the parts in sections, inversely calculate the center of the bottom corners adjacent to the parts to be processed to establish a machining coordinate system, and finally complete the second clamping alignment. The application is divided into stages according to the actual processing content, the operation process is simple, and has universality. It can well perform repeated clamping and positioning for any shape parts with multi-step rotating shaft structure, and can ensure the clamping and positioning accuracy. It can realize the stable processing of parts and ensure the processing quality.

Description

technical field [0001] The present application relates to the technical field of mechanical processing, in particular to a method for positioning and aligning a multi-step rotating shaft with repeated clamping. Background technique [0002] In the field of aviation manufacturing, after the machining process of some parts is completed, due to the requirements of parts strength, wear resistance and corrosion resistance, surface treatment operations such as galvanizing are required. After the surface treatment, due to the assembly requirements of the parts, in order to ensure The coaxiality and the dimensional accuracy of the matching area require secondary processing (or supplementary processing) of the parts. For high-precision shaft parts, the assembly requirements are high, and the requirements for secondary processing (or supplementary processing) are high. Therefore, the positioning accuracy of repeated clamping of parts is extremely important to ensure the size and match...

AI Technical Summary

Problems solved by technology

[0003] At present, when the high-precision shaft is in the state of the part, the geometric size is mainly formed by lathe turning (the rotating tool of the part is fixed). A certain method is needed to ensure the repeated clamping and positioning accuracy of the rotating shaft to meet the processing requirements. However, the existing clamping and alignment methods are not very suitable for parts with special-shaped structures, and cannot guarantee the repeated clamping and positioning of special-shaped structural parts. Accuracy, resulting in the inability to achieve stable machining of parts

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