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Fine machining method and machine tool unit

A technology of precision machining and ultra-precision machining, which is applied in the direction of metal processing machinery parts, metal processing, honing machine tools, etc., can solve problems such as the lateral feed of difficult rolling tools, improve measurement accuracy, avoid inaccuracy, improve Manufacturing Quality Effects

Inactive Publication Date: 2017-02-22
MAUSER WERKE OBERNDORF MASCHENBAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is particularly problematic here that the infeed of the hobbing tool cannot be realized or can only be realized with difficulty, because the shaping process is basically determined by the hydrostatic pressure, via which one or Multiple spheres extrude towards the circumferential surface to be processed

Method used

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  • Fine machining method and machine tool unit
  • Fine machining method and machine tool unit
  • Fine machining method and machine tool unit

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0031] figure 1 A diagram for explaining a method for precision machining holes of a plurality of workpieces, such as holes of a crankcase 2, according to the present invention is shown. In the middle is shown a machine tool unit, which is designed as a counter machine 4 . In machine tools according to reverse engineering, the workpiece is guided as a workpiece supported on the machine frame. The counter machine 4 has at least one precision drill 6 or another tool suitable for precision machining, the cutting edge 8 of which can preferably be adjusted in the radial direction in order to precisely drill the bore 10 of the crankcase 2 . The hole 10 is first produced according to conventional machining methods, for example by drilling. Furthermore, the counter machine 4 is implemented with a not shown centering station, via which the workpiece 2 is centered before machining.

[0032] The reversing machine 4 also has a hobbing tool 12 for ultra-precision machining of the precis...

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Abstract

The invention relates to a method for fine-machining a bore of a plurality of workpieces and a machine tool unit. According to said method, the workpieces are subjected to fine-hole drilling and precision finishing, preferably roller-burnishing or smoothing, a post-processing measurement is carried out and, depending on said measurement, the fine-hole drilling tool is adjusted.

Description

technical field [0001] The invention relates to a method according to the preamble of claim 1 for the precision machining of bores in a plurality of workpieces and to a machine tool unit for carrying out the method. Background technique [0002] In the precise machining of bores or bushings in workpieces, the actual drilling is usually supplemented by precision machining by precision drilling and ultra-precision machining by smoothing or rolling. Precision drills are used for precision drilling, which are described, for example, in AT 404 001 B. Smoothing can be carried out by means of a smoothing tool, which is disclosed, for example, in DE 10 2007 017 800 A1. Such a smoothing tool has a spherical smoothing body, which smoothes the surface to be machined, that is to say the peripheral wall of the bore or the peripheral wall of the bushing, by shaping. [0003] Alternatively, roller burnishing tools can be used for ultra-precision machining, as disclosed, for example, in W...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B33/02B24B33/06B24B33/08
CPCB24B33/02B24B33/06B24B33/087B24B39/023B23B41/16B23B2260/004B23Q17/2471
Inventor 沃尔夫冈·伦普西格弗里德·格鲁勒
Owner MAUSER WERKE OBERNDORF MASCHENBAU