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Automated process control in a toother machine

A technology of process parameters and tooth surfaces, applied in the direction of program control, electrical program control, gear cutting machine, etc., can solve the problems of not fully considering the processing characteristics of the gear part, and the measured variables cannot be directly compared with each other

Pending Publication Date: 2022-04-19
REISHAUER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Consequently, measured variables monitored in different dressing cycles cannot be directly compared with each other, even within the same series of workpieces, even if all other framework conditions remain constant
[0015] Known methods for process monitoring have hitherto not adequately taken into account these properties of gear machining

Method used

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  • Automated process control in a toother machine
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  • Automated process control in a toother machine

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Embodiment Construction

[0077] Exemplary structure of gear grinding machine

[0078] exist figure 1 A gear grinding machine 1 is exemplarily shown in , as an example of a finishing machine for machining the tooth flanks of pre-geared workpieces. The machine has a machine tool 11 on which a tool carrier 12 is displaceably guided in a radial infeed direction X. The tool carrier 12 carries an axial slide 13 , which is guided displaceably in the feed direction Z relative to the tool carrier 12 . Mounted on an axial slide 13 is a grinding head 14 which is pivotable about a pivot axis running parallel to the X-axis (the so-called A-axis) in order to adapt the helix angle of the toothing to be machined . The grinding head 14 in turn carries a displacement slide on which the tool spindle 15 can be displaced along the displacement axis Y relative to the grinding head 14 . A worm-shaped grinding wheel (grinding worm) 16 is clamped on the tool spindle 15 . The grinding worm 16 is driven in rotation abou...

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Abstract

The invention relates to a method for monitoring a machining process, wherein a tooth flank of a pre-toothed workpiece (23) is machined by means of a finishing machine (1). During the process of the method, a plurality of measured values are detected during the machining engagement of the finishing tool (16) with the workpiece. Wherein there is a value of a power indicator which indicates the instantaneous power consumption of the tool spindle during the machining of the tooth flanks of the workpiece. A normalization operation is applied to at least a portion of the measured values or a value of a variable derived from the measured values in order to obtain a normalized value. The normalization operation relates to at least one process parameter: a geometric parameter of the finishing tool, in particular its outer diameter; geometric parameters of the workpiece; and setting parameters of the finishing machine, in particular a radial feed and an axial feed.

Description

technical field [0001] The invention relates to a method for monitoring a finishing machine for tooth production, in particular a rolling machine. Furthermore, the invention relates to a finishing machine designed to carry out such a method, a computer program for carrying out such a method, and a computer-readable medium having such a computer program. Background technique [0002] The hard finishing of pre-machined toothing is a very demanding method in which even the smallest deviations from the process specifications can cause: the workpieces machined must be considered as scrap (“NIO parts”, where NIO stands for "unusual"). The problem can be illustrated particularly well by means of continuous roll grinding, but also applies to other methods of finishing rolls, such as partial grinding, honing or hard skiving. However, at smaller sizes, similar problems arise with non-roll methods such as discontinuous or continuous profile grinding. [0003] In continuous gear grin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCB23F23/1218G05B19/404G06F17/175G05B19/41865G05B2219/32252G05B19/406G05B2219/49307G05B19/41825
Inventor 克里斯蒂安·迪茨
Owner REISHAUER AG