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Numerical control device

A technology of numerical control device and control part, which is applied in the direction of numerical control, program control, electrical program control, etc., can solve the problems of unable to restore each axis, collision, unable to adjust the position of numerical control device, etc.

Active Publication Date: 2015-03-25
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] If the operator makes a mistake in the order of position adjustment, the components driven by each axis will collide as described above, so there is a problem that the position adjustment cannot be performed by the numerical control device, and each axis cannot be restored.

Method used

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Embodiment Construction

[0024] Embodiments of the present invention will be described below with reference to the drawings. In the following description, up and down, left and right, and front and rear indicated by arrows in the figure are used. The up-down direction, left-right direction, and front-rear direction of the machine tool 1 are defined as the Z-axis direction, the X-axis direction, and the Y-axis direction of the machine tool 1 , respectively. The numerical control device 20 controls the movement of the machine tool 1 according to the numerical control program, and performs cutting of the workpiece.

[0025] Refer below figure 1 The structure of the machine tool 1 will be described. The machine tool 1 includes a base 2, an X-axis moving mechanism (not shown), a Y-axis moving mechanism (not shown), a Z-axis moving mechanism (not shown), a carrier 12, a column 5, a spindle head 6, and a main shaft (not shown). Figure), rotary table device 8, tool changing device 9, control box 10, etc. ...

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Abstract

The present invention relates to a numerical control device for controlling a machine tool. A coder detects the position information of the motors. A coder memory stores the position information detected by the coder. The numerical control device determines an adjusting sequence of the object shafts according to abnormal information and a preset priority sequence, when the position information of stored by the coder memory is disappeared. The numerical control device carries out position adjusting according to the determined sequence.

Description

technical field [0001] The invention relates to a numerical control device for controlling a machine tool. Background technique [0002] The numerical control device controls the movement of the machine tool. The machine tool is equipped with an encoder on the motor of each axis in motion. The encoder detects the position information (absolute position information) of the motor, stores it in the encoder memory, and outputs it to the numerical control device. The numerical control device controls the drive of the motors of each axis based on the position information. Japanese Patent Publication No. 206227 of 2012 discloses a machine tool in which encoders are installed on the X-axis, Y-axis, Z-axis, and library axis, and each motor is feedback-controlled according to the position information output by the encoder. . Among the machine tools, some machine tools also include a rotary table. In this machine tool, an encoder is installed on the axis of the rotary table, that ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/18
CPCG05B19/402G05B2219/37175G05B2219/50047
Inventor 堀冈大士
Owner BROTHER KOGYO KK
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