Pipe end spline machining technology
A processing technology and spline technology, which is applied to the steering control and steering column installed on the vehicle, can solve the problems of low processing accuracy and low processing efficiency of splines, so as to improve labor production efficiency, prolong service life, improve safety effect
Active Publication Date: 2015-06-17
SICHUAN MIANYANG SANLI
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Problems solved by technology
[0003] The technical problem to be solved and the technical task proposed by the present invention are to improve the existing technology, provide a pipe end spline processing technology, and solve the process of pipe end spline first expanding the hole and then extruding the spline in the current technology The problem of low efficiency and low machining accuracy of the spline
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] The pipe end spline processing technology disclosed in the embodiment of the present invention improves the processing accuracy of the external spline after the expansion hole of the casing, improves the processing efficiency, and improves the reliability and safety of the steering column assembly during operation.
[0025] Such as Figure 1 to Figure 4 As shown, a pipe end spline processing technology is characterized in that the processing steps inclu...
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The invention discloses a pipe end spline machining technology. The pipe end spline machining technology comprises the steps of pipe end hole expanding and external spline extrusion forming, the machining processes completed through the two working procedures of hole expanding and spline extrusion are combined into one working procedure, and the pipe end spline machining technology is applicable to end hole expanding and external spline extrusion forming of sleeve type components. According to the pipe end spline machining technology, the machining precision of the external spline extrusion forming is prominently improved after the sleeve type components are subjected to hole expanding, the labor production efficiency is greatly improved, and then the reliability of torque transmission of an automobile steering system is improved, and the safety of the automobile steering system is improved in component machining.
Description
technical field [0001] The invention relates to a spline processing technology, in particular to a pipe end spline processing technology. Background technique [0002] Many casing parts in the steering column assembly of a motor vehicle are designed to have a large pipe port diameter and a structure with external splines, which must be processed by expanding holes and extruding external splines. However, the existing process is to Expanding holes and extruding external splines are divided into two processes, first expanding holes and then extruding external splines. However, this processing method is not only low in processing efficiency, but the processing accuracy of the spline is also affected by the diameter tolerance of the expansion hole and the wall thickness tolerance of the casing, so the processing accuracy of the spline cannot be guaranteed. Contents of the invention [0003] The technical problem to be solved and the technical task proposed by the present inve...
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Login to View More IPC IPC(8): B23P15/00
CPCB23P15/00B62D1/18
Inventor 税建敏杨洪斌何锐杨渝民王健龚大海
Owner SICHUAN MIANYANG SANLI