CN103769805A - Method for machining bearing support face of automobile intermediate shaft - Google Patents

Abstract

The invention discloses a method for machining a bearing support face of an automobile intermediate shaft. The method mainly includes the following steps that at first, two end faces with hole diameters of 150 mm are arranged in the center of a support, and rough milling is carried out with an outer circle with the hole diameter of 150 mm and one end face as bases; secondly, inner holes with diameters of 140 mm are formed, rough boring is conducted, then fine boring is conducted, and the inner holes are roughly bored to be the inner holes with diameters of 139.9 mm with outer circles with hole diameters of 150 mm and one end face as bases; finally, half fine boring is carried out on the inner holes in an upper boss face, rough milling is carried out with the inner holes and one end face as bases, rough milling conducted on boss faces on two sides is carried out with the inner holes, the end faces and a middle small hole as locating bases. The method has the advantages that bearings produced through the method are beneficial to stabilizing rollers and fixing roll balls in installation, convenient to improve according to different vehicle models and convenient to replace or maintain timely.

Description

A kind of processing method of support of bearing face of automobile middle shaft

Technical field

The present invention relates to automobile technical field, relate in particular to a kind of processing method of support of bearing face of automobile middle shaft.

Background technology

Along with the progress of technology, in the front and Frontal offset impact process of car load, when often there is enging cabin and causing driver's shank and step space by compression to the space invasion of driving cabin, steering column mandrel makes its chest trauma evil or directly causes driver's death to driver's chest play, leg room is extruded and increases rescue difficulty, therefore collapse type tubing string is widely applied on car load, and shrinkable sliding steering jackshaft is also applied on car load gradually simultaneously.

At present, turn to transmission jackshaft mostly to be splined sleeve and splined shaft is in mating connection, spline fitted is conducive to turn to the flexible of transmission jackshaft, is convenient to plant personnel assembling and is conducive to turn to the crumple of transmission jackshaft simultaneously in the time there is car load collision.Client requires also more and more higher to car load comfortableness, the particularly comfortableness of handling maneuver can affect lubricated reliability because heating up and lacking lubricant but turn in the long-term use procedure of transmission jackshaft; Splined sleeve is the inner vacuum that easily forms in use, affects the slip of jackshaft, reduces the comfortableness of steering operation.

Thereby, need to arrange some for the support of bearing of jackshaft, exist certain drawback for the processing of each face, therefore, for above aspect, need to make effective innovation.

Summary of the invention

The object of this invention is to provide a kind of can minimizing accident in driver meet with dangerous degree, be conducive to firm roller, be beneficial to fixing ball when mounted, the processing method of the support of bearing face of the automobile middle shaft being convenient to improve according to different automobile types, to solve many deficiencies of prior art.

Object of the present invention is carried out specific implementation by the following technical programs:

A processing method for the support of bearing face of automobile middle shaft, is mainly made up of following steps:

(1) get one section of stainless steel plate to be processed, in the process of part, this section bar top is offered the dogleg section of a rectangle and first machining hole that an aperture is 6mm is set in the horizontal direction;

(2) in these stainless steel plate both sides, a side plate is respectively set and this side plate plane becomes the angle of 30 ° with horizontal plane, first machining hole center is set to 30mm, the angle angle at 45 ° of the center line of machining hole and vertical direction part to the central point distance of dogleg section;

(3) first first machining hole and end face are machined, then take the endoporus of dogleg section bottom and end face as positioning datum, convex platform surface is processed;

(4) last, take endoporus, end face as positioning datum, machining support biside plate, wherein main machined surface roughness is 9.0 μ m, remaining surface roughness is 15 μ m.

Described support biside plate is arcuate structure.

The beneficial effect of the processing method of the support of bearing face of automobile middle shaft of the present invention is: the support of bearing side plate parts of producing by the method can minimizing accident in driver meet with dangerous degree, be conducive to firm roller, be beneficial to when mounted fixing ball, be convenient to improve according to different automobile types, be convenient to change timely or safeguard.

The specific embodiment

The processing method of the support of bearing face of automobile middle shaft described in the embodiment of the present invention, is mainly made up of following steps:

(1) first, be provided with two end faces of aperture 150 mm at carriage center place: rough mill, take aperture 150mm cylindrical and an end face as benchmark;

(2) then, be provided with the endoporus of aperture 140mm, from heavy boring to right boring, take aperture 150mm cylindrical and an end face as benchmark, heavy boring endoporus is to 139.9mm;

(3) last, half right boring endoporus is to epirelief table top: rough mill take endoporus and an end face as benchmark, both sides boss face is rough milled take endoporus, end face and middle aperture as positioning datum.

Claims (1)

1. a processing method for the support of bearing face of automobile middle shaft, is characterized in that, is mainly made up of following steps:

(1) first, be provided with two end faces of aperture 150 mm at carriage center place: rough mill, take aperture 150mm cylindrical and an end face as benchmark;

(2) then, be provided with the endoporus of aperture 140mm, from heavy boring to right boring, take aperture 150mm cylindrical and an end face as benchmark, heavy boring endoporus is to 139.9mm;

(3) last, half right boring endoporus is to epirelief table top: rough mill take endoporus and an end face as benchmark, both sides boss face is rough milled take endoporus, end face and middle aperture as positioning datum.