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Processing method of small radius centring rectangular splined shaft

A processing method and technology for spline shafts are applied in the processing field of small diameter centering spline shafts, which can solve the problem of high cost

Inactive Publication Date: 2006-11-29
GUIZHOU QUNJIAN PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of using a spline grinder to grind the small diameter of a rectangular spline shaft centered by a small diameter is only suitable for mass production by professional manufacturers. In addition to grinding the small diameter of a rectangular spline shaft centered by a small diameter, the spline grinder Cannot be used for any other purpose, so it is very expensive to use this method to produce small batches of single pieces

Method used

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  • Processing method of small radius centring rectangular splined shaft
  • Processing method of small radius centring rectangular splined shaft
  • Processing method of small radius centring rectangular splined shaft

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Embodiment Construction

[0026] Embodiment of the present invention: carry out according to the following steps:

[0027] First: The processing status of spline shaft 3 before small diameter grinding is as attached figure 1 shown. Before grinding the small diameter of the spline shaft 3, use a spline hob (or milling cutter) to hob (or mill) the spline key width C to the size, and leave a certain grinding allowance for the spline minor diameter d. The size of the spline shaft is determined according to the size of the minor diameter d of the spline shaft, the length of the spline shaft, and the state of the heat treatment of the spline shaft. Generally, 0.10-0.5 mm can be selected. When hobbing or milling splines, in addition to leaving a certain grinding allowance for the spline key width C to size and the spline minor diameter d, it is also required to process the standard circular arc undercut groove r of the spline teeth. The groove is conducive to root cleaning when grinding the small diameter o...

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Abstract

A method for machining the rectangular spline shaft by centering small diameter includes such steps as machining the width of spline to predefined size, the standard arc slot of spline tooth, and big diameter, heat treating, fixing the spline shaft onto grinding machine, centering the abrasive disc with spline tooth slot, and reciprocating grinding.

Description

Technical field: [0001] The invention relates to a machining method, in particular to a machining method of a small-diameter centering spline shaft. Background technique: [0002] Rectangular spline couplings are widely used in various mechanical transmissions. According to the different centering methods of splines, rectangular splines are divided into two categories: large-diameter centering and small-diameter centering. For the large-diameter centered rectangular spline, due to the lower dimensional accuracy requirements for the spline minor diameter and higher dimensional accuracy requirements for the spline major diameter, the processing method of the spline shaft is relatively simple, hobbing or milling After the key width and minor diameter of the spline are adjusted to the size, it is only necessary to grind the major diameter of the spline to meet the requirements of the drawing; for the rectangular spline centered on the minor diameter, due to its lower dimensiona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B1/00B24B19/08
Inventor 石年平
Owner GUIZHOU QUNJIAN PRECISION MACHINERY
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