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Machine control panel

A technology of mechanical operation and machine tool, applied in the direction of program control, instrument, electrical program control, etc., can solve the problem of changing the operability of the mechanical operation panel

Active Publication Date: 2014-07-23
FANUC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to comply with safety standards for machines that do not comply with safety standards, there is a problem that it is necessary to prepare additional I / O units and switches for dual systemization.
In addition, when the start switch and key switch are used in combination, there is a problem that the operability of the mechanical operation panel is changed.

Method used

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  • Machine control panel
  • Machine control panel
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Examples

Experimental program
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Effect test

Embodiment Construction

[0021] First, refer to figure 1 A first embodiment of the mechanical operation panel according to the present invention will be described.

[0022] like figure 1 As shown, the mechanical operation panel 40 is connected to the numerical controller 10 for controlling the machine tool. One or more key switches 42 are provided on the mechanical operation panel 40 . Each push switch 42 has first and second contacts that are turned on when pressed.

[0023] The mechanical operation panel 40 also has: a first communication line (communication line 44 ), which is connected to the first contact, and receives the signal of the pressed key switch 42 ; a second communication line (communication line 46 ), which Connect with the second contact, and receive the signal of the pressed key switch 42; connect with the first communication line (communication line 44) and the second communication line (communication line 46), and send Line 44) a transmission path (first bus 48 capable of tr...

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PUM

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Abstract

A key switch on a machine control panel is provided with two contacts such that the machine control panel can include two independent communication circuits. Signals from a double-contact key switch are received by the two communication circuits, and safety-related signals are transmitted from the communication circuits to a numerical controller through a bus. The signals received by the numerical controller are compared with each other so that they can be made to comply with the safety standards by monitoring the integrity of the safety function.

Description

technical field [0001] The present invention relates to a mechanical operation panel, in particular to a mechanical operation panel corresponding to safety standards. Background technique [0002] use image 3 An example of a conventional mechanical operation panel will be described. [0003] like image 3 As shown, the mechanical operation panel 12 is connected to the numerical controller 10 via a bus 18 . Since the mechanical operation panel 12 has only a plurality of single-contact key switches (key switches) 14 and one communication line 16 , it is difficult to dual-systemize the signals of the key switches 14 . In order to make the mechanical operation panel 12 conform to safety standards, it is first necessary to double-systemize signals related to Hold to Run (stop-movement) such as the JOG button, among the switches provided on the mechanical operation panel 12 . [0004] Therefore, if Figure 4 As shown, the single-contact key switch on the mechanical operation p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/18
CPCG05B19/409G05B9/03G05B2219/24184G05B2219/25163G05B19/406
Inventor 黑川友矶野本靖司
Owner FANUC LTD