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Method and grinding machine for controlling process during grinding of workpiece

A workpiece and grinding technology, applied in the control of workpiece feed movement, automatic grinding control device, program control, etc., to achieve the effects of reducing deformation, reducing error rate, and reducing wear

Inactive Publication Date: 2007-09-26
ERWIN JUNKER MASCHNINENFAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that for the outer diameter that has been ground, such as a mating seat, if the actual size of the ground is lower than the standard size, it is no longer possible to correct the workpiece of the mating seat by machining

Method used

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  • Method and grinding machine for controlling process during grinding of workpiece
  • Method and grinding machine for controlling process during grinding of workpiece
  • Method and grinding machine for controlling process during grinding of workpiece

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Embodiment Construction

[0021] Fig. 1 is a schematic top view of a cylindrical grinder, which works according to a rough grinding method (longitudinal grinding method). When applying this grinding method, a CBN-grinding wheel with a wear-resistant bond is used. The characteristic of the rough grinding process is that all the grinding allowance can be ground off in one pass by the longitudinal grinding method. The radial feed during grinding is equal to the radial grinding allowance on the workpiece 2 . The known grinding machine has a workpiece headstock 1 with a workpiece spindle 1A, a table 3 and a tailstock 4 with a hydraulically displaceable tailstock sleeve 4A, which is arranged on a bed 5 . The workbench 3 is arranged on the guide rail in the front section 20 of the bed 5, and the workbench runs along the axial direction of the CNC-axis Z on the guide rail. The motor drive for this shaft is not shown in the figure. The workpiece spindle seat 1 with the workpiece spindle 1A arranged on the wo...

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Abstract

The invention relates to a method for controlling the process during rough grinding of a workpiece in which, according to the invention, the workpiece is measured during grinding by a sensor to ascertain an actual size, and the measured actual size is corrected in a continuously automatic manner to attain a predetermined specified size according to grinding time. The invention also relates to a grinding machine which is provided for carrying out the method and which comprises a grinding wheel for rough grinding a workpiece on a grinding spindle head. The grinding machine also has a sensor for detecting a ground workpiece dimension, and comprises a machine control, whereby the workpiece is held between a workpiece spindle and a tail spindle. According to the invention, the sensor is arranged primarily in a plane formed by the contact area of the grinding wheel which turns on the workpiece, and during rough grinding, said sensor continuously transmits measurement signals to the machine control. Said machine control controls the grinding wheel based on these signals in such a way that the grinding process can be executed as an in-process control.

Description

technical field [0001] The present invention relates to a kind of method that utilizes the grinding wheel on the grinding machine to control the machining process when the workpiece is ground. Grinding wheel fixed on the headstock for rough grinding (longitudinal grinding) of the workpiece between the workpiece spindle and a tailstock sleeve, a measuring sensor for detecting the dimensions of the workpiece to be ground, and a grinding machine control unit. Background technique [0002] Currently known and common grinding methods and grinding machines using this method can achieve high machining accuracy. According to the general trend of component manufacturing in the production process, in order to reduce the error rate, it must be equipped with process monitoring and targeted process control. Corrective interventions, if necessary, are preferably carried out during the inherent grinding process in order to achieve a consistently good quality of the produced workpieces. ...

Claims

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Application Information

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IPC IPC(8): B24B49/04B24B5/04B24B5/14B23Q17/20B24B49/00B24B49/02
CPCG05B2219/50062B24B49/04B24B5/04B24B51/00
Inventor 埃尔温·容克尔
Owner ERWIN JUNKER MASCHNINENFAB
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