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Method and control device for the targeted reaction in the event of contact between a machine element pertaining to a machine and an object

A technology of machine components and control devices, applied in computer control, general control systems, program control, etc., can solve problems such as unidentifiable errors, no components taken into account, wrong visual judgments, etc., and achieve the effect of simple collision recognition

Active Publication Date: 2008-04-02
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another disadvantage of these solutions is that in general the components are not taken into account
In this case, the simulation was performed with assumed tool dimensions and part dimensions, so that it was not possible to identify the wrong workpiece loaded (bad visual judgment, casting not removed) and wrong tool
Likewise, errors in setting up programs cannot be identified

Method used

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  • Method and control device for the targeted reaction in the event of contact between a machine element pertaining to a machine and an object
  • Method and control device for the targeted reaction in the event of contact between a machine element pertaining to a machine and an object
  • Method and control device for the targeted reaction in the event of contact between a machine element pertaining to a machine and an object

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Embodiment Construction

[0042]FIG. 1 shows an exemplary embodiment of a machine tool in schematic form. The machine tool shown has a machine base 2 , a tool carriage 7 and a drive device 4 , which drives a tool 6 via a spindle 8 . Furthermore, the machine tool shown has a control device 14 (for example a numerical control device) for controlling it. The control device 14 controls the machine tool via a connection 16 . The figures show, by way of example, a machine tool with two machine axes. Therefore, the carriage 7 can move in the direction shown by the double-headed arrow 3 (horizontal shaft) in the horizontal direction under the drive of a driving device 43 of the horizontal shaft, and the driving device 4 that drives the main shaft to rotate can take the main shaft 8 and cutter 6 are driven by a driving device 44 of the vertical axis to move in the vertical direction in the direction shown by the double-headed arrow 41 (vertical axis). To generate a corresponding linear movement, the drives 4...

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Abstract

The invention relates to a method for the targeted reaction in the event of contact between an element (4,6) pertaining to a machine and an object (5,7), and a corresponding control device (14). Upon identification of contact between the machine element (4,6) and the object (5,7), if the machine axle is shifted into rapid displacement mode in an automated manner during the contact by means of a control device (14), further displacement of the machine axle (3,41,42,43) is stopped by the drive (42,43) of the machine (3,41, 42,43) being immediately cut off. Upon identification of contact, if the machine axle is shifted into slow displacement mode in an automated manner during the contact by means of a control device (14), collision detection is carried out, further displacement of the machine axle (3,41,42,43) being stopped if a collision is detected. The invention thus enables the effects of a collision of an element (4,6) pertaining to a machine with an object (5,7) to be maintained as low as possible.

Description

technical field [0001] The invention relates to a method for producing a targeted reaction when a machine element of a machine comes into contact with an object. [0002] Furthermore, the invention relates to a control device having a program memory in which a computer program is stored which contains code segments, by means of which the control device can carry out the method described above when the computer program is called. Background technique [0003] For machines such as machine tools, production machines and / or robots, in addition to high processing speed and processing accuracy, high process accuracy is also required. A collision between a machine element (such as a tool or machine shaft) and an object (such as a workpiece, pallet or fixture) is a process fault. Collisions cause the highest repair costs and longest downtime compared to other types of process failures. [0004] To avoid or at least reduce losses due to maintenance and shutdowns, various systems an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/4061B23Q5/58B25J9/16
CPCB23Q5/58G05B2219/49142G05B19/4061
Inventor 斯蒂芬·普拉滕迈克尔·凯弗罗伯特·格利斯曼
Owner SIEMENS AG
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