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Internal tooth rolling method

A rolling and internal gear technology, which is applied to gears, other household appliances, household appliances, etc., can solve the problems of lower precision, lower precision of internal gear finishing, and lower quality of gear products, so as to improve precision and improve finishing precision , the effect of reducing the burden

Inactive Publication Date: 2013-09-04
MUSA PRECISION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the offset, the finishing accuracy of the internal teeth is reduced
[0010] The reduction of precision directly leads to the reduction of the quality of gear products, so the solution to improve the precision is pursued

Method used

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  • Internal tooth rolling method
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Examples

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Embodiment

[0052] Such as figure 1 As shown, the rolling device 10 has: a housing 11; a sliding base 13, which is placed on the top 12 of the housing; a moving mechanism 20, which moves the sliding base 13 in the horizontal direction; a rotating mechanism 30, which The rotating shaft 31 is installed on the sliding base 13 in a vertical manner; the elevating mechanism 40 is installed on the upper plate 14 and the lower plate 15 of the casing 11, and lifts the cylindrical container 16; and the control unit 50 controls the moving mechanism 20. Rotating mechanism 30 and lifting mechanism 40.

[0053]The moving mechanism 20 includes: a motor 21 mounted on the lower plate 15; a nut 23 rotatably mounted on the upper plate 14 and the lower plate 15 around a vertical axis via bearings 22, 22 and rotated by the motor 21; The screw shaft 24 is screwed into the nut 23 and extends upward; and the wedge-shaped lifting member 25 is fixed on the upper end of the screw shaft 24 and moves the sliding ba...

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PUM

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Abstract

Disclosed is an internal tooth rolling method that forms internal teeth in a cylindrical raw material. This internal tooth rolling method adds a tool retraction step (ST05) wherein a tool gear is retracted and the deflection of a rotary shaft supporting the tool gear is eliminated after a teeth-forming step (ST03) wherein internal teeth are formed in the cylindrical raw material by means of the tool gear, and includes a modification step (ST06) wherein the tool gear is rotated to the retracted position and the internal teeth are modified.

Description

technical field [0001] The present invention relates to a manufacturing method for forming internal teeth on a cylindrical blank by a rolling method. Background technique [0002] A manufacturing method in which internal teeth are formed from a cylindrical blank by cutting is widely practiced. Although the cutting method has good finishing accuracy of the teeth, on the other hand, the machining time is long and chips are generated. As a result, machining costs and material costs for the cutting method are high. [0003] One of the countermeasures is the rolling method. In the rolling method, the inner teeth are formed by pressing the outer teeth against the blank, so the machining time is short and chips are less likely to be generated. Therefore, there has been proposed a rolling technique in which internal teeth are formed in a cylindrical material by a rolling method (for example, refer to Patent Document 1). based on Figure 14 This rolling technique will be describe...

Claims

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Application Information

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IPC IPC(8): B21H5/02B21H5/00
CPCB21H5/025
Inventor 河内益雄
Owner MUSA PRECISION IND