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Tooth-forming method having tooth finishing, and combination tool therefor

A technology of combining cutting tools and cutting tools, applied in the direction of gear tooth manufacturing tools, manufacturing tools, components with teeth, etc., can solve problems such as increasing machining errors

Active Publication Date: 2018-01-02
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The rotational movement errors of the two tools and the fastening of the workpiece can unfavorably add up
This increases the processing error

Method used

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  • Tooth-forming method having tooth finishing, and combination tool therefor
  • Tooth-forming method having tooth finishing, and combination tool therefor
  • Tooth-forming method having tooth finishing, and combination tool therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] exist Figures 4 to 6 The combination tool 3 shown in has a clamping end 11, by means of which the combination tool 3 can be clamped in the chuck of the tool shaft 2, which can be driven in rotation by an electric motor. The motor is controlled by the controller. The controller also controls another motor for driving the workpiece axis 5 . The workpiece shaft 5 has a chuck 10, and the wheel blank 1 to be processed is clamped in the chuck 10. The controller is designed to drive the tool shaft 2 and the workpiece shaft 5 in synchronous rotation relative to each other.

[0020] The combination tool 3 has a skiving gear 4 with which an internal toothing 6 can be produced by hobbing a wheel blank as a blank, as described in DE 10 2008 037 514 A1. For this purpose, the tool shaft 2 and the workpiece shaft 5 are driven to rotate synchronously with one another in such a way that the cutting teeth of the scraper gear 4 scrape into the tooth spaces formed by the gear teeth 6 ....

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PUM

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Abstract

The invention relates to a method for producing gears, wherein in a first step a set of teeth (6) is formed by means of a skiving wheel (4) rotationally driven by a tool spindle (2) in a workpiece gear (1) rotationally driven synchronously thereto by a workpiece spindle (5), wherein the workpiece spindle (5) and the tool spindle (2) are at an axis intersection angle ([Alpha]) to each other and theadvancement occurs in the tooth-flank extension direction, and wherein in a second step at least some teeth of the set of teeth (6) are machined by means of a tooth-machining tool (7). A combined tool is used, in the case of which the tooth-machining tool (7) and the skiving wheel (4) are fixedly connected to each other. Between the two steps, the combined tool (3) remains connected to the tool spindle (2) and the workpiece gear (1) remains connected to the workpiece spindle (5). Between the two steps, merely the relative position of the tool spindle (2) in relation to the workpiece spindle (5) and the rotational speed ratio of the two spindles (2, 5) are changed.

Description

technical field [0001] The invention relates to a gear manufacturing method, wherein, in a first step, gear teeth are machined in a wheel blank driven to rotate synchronously by a workpiece shaft with a skiving gear driven in rotation by a tool shaft, where the workpiece shaft and the tool The axes of the shafts intersect each other at an angle and the feed is carried out in the direction of extension of the tooth flanks, and wherein, in a second step, at least some teeth of the gear tooth are machined with a tooth machining tool. Background technique [0002] DE102008037514A1 describes a method for the production of gears from wheel blanks. Blanks can be toothed internally or externally with hobbed gears. For this purpose, the wheel blank is fastened on the workpiece shaft and the skiving gear is fastened on the tool shaft. Drives the workpiece shaft and the tool shaft to rotate synchronously. The axis of the workpiece shaft and the axis of the tool shaft form a crossing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23F21/00B23F23/12B23F5/16B23F19/10B23P13/02B23F17/00B23P15/14
CPCB23F21/005B23F23/1237B23P13/02B23P15/14B23F17/006B23F19/107Y10T409/101272Y10T409/105565Y10T409/108586Y10T409/10795Y10T29/5176Y10T29/5168B23F5/163
Inventor S.海恩
Owner PROFILATOR
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