Thin-wall sleeve part processing method

Abstract

The invention discloses a thin-wall sleeve part processing method which comprises the steps of firstly roughly turning an excircle and drilling and boring an inner hole; after roughly turning the excircle and roughly boring the inner hole to the reserved processing allowance, semi-extractive turning an excircle of a thin-wall sleeve part, obtaining a semi-finished product of the thin-wall sleeve part, and cutting off from a bar material; loading the semi-finished product on a digital controlled lathe, precisely turning an incircle and an excircle of the semi-finished product to the set processing allowance, half cutting-off, reserving the set thickness during half cutting-off after chamfering an excircle of a part at the cut-off end, and semi-extractive turning the excircle to the design dimension again; and thoroughly cutting off the processed thin-wall sleeve part from the semi-finished product. The process method provided by the invention is simple and feasible, no working procedureis increased, the deformation in the part processing process is greatly reduced, the excircle dimension tolerance can be ensured to meet the technical requirement of the process design, the product qualification rate is remarkably improved, the method can be completed by adopting a cutting manner, the production period is short, and no auxiliary fixture with high cost is required to be configured.

Description

Technical field [0001] The invention belongs to the field of parts machining, and in particular relates to a method for processing thin-walled sleeve parts. Background technique [0002] There is a kind of sleeve parts, such as figure 1 As shown, it is installed on a certain low-pressure oil filter tube assembly, and its outer circle shape accuracy plays a key role in the sealing performance of the assembly in the kerosene sealing performance test with a passing pressure of 1.9MPa. [0003] For the sleeve parts on the tube assembly with special performance requirements, the wall thickness is 1.6~1.9mm, the outer circle tolerance is 0.015~0.025mm, and the diameter is Φ40~Φ60mm. The original processing plan is: the first step: in the ordinary Rough drilling and cutting of the bar wool on the lathe, such as figure 2 As shown; the second step: perform precision turning on the rough-machined parts on a precision CNC lathe, turning the outer circle, turning groove, and boring the inner ...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems existing in the prior art, the present invention provides a processing method for thin-walled sleeve parts, by reducing the chuck pressure of the hydraulic system of the machine tool, changing the clamping method, improving the tool, changing the cutting parameters and other processes method, to increase the rigidity of the parts, reduce the deformation of the parts, and solve the quality problems of the parts with thin-walled short casings with precise outer circle dimensions, local ellipse out-of-tolerance, and low pass rate

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