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Automatic control system and automatic control method for multi-wire cutting machine

An automatic control system, multi-wire cutting machine technology, applied in the direction of digital control, electrical program control, manufacturing tools, etc., can solve the problems of single control mode and difficulty in ensuring the stability of control tension, and achieve the effect of ensuring stability

Active Publication Date: 2014-06-25
JIANGSU HEYI AUTOMATION TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The traditional cutting wire tension control method mainly controls and adjusts the speed ratio of the pay-off servo to the main cutting servo and the speed ratio of the take-up servo to the main cutting servo according to the tension measurement value of the pay-off side and the tension measurement value of the take-up side respectively. , this control method is relatively simple, and it is difficult to ensure the stability of the control tension

Method used

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  • Automatic control system and automatic control method for multi-wire cutting machine
  • Automatic control system and automatic control method for multi-wire cutting machine
  • Automatic control system and automatic control method for multi-wire cutting machine

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Embodiment Construction

[0032] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0033] Such as figure 1 and 2 As shown, the multi-wire cutting machine automatic control system, the system includes:

[0034] The traction servo controls the traction and cutting wire to run to the station of workbench 1 according to the preset linear speed;

[0035] Pay-off frequency converter: control the unwinding motor 4, so that the cutting wire on the I-shaped wheel is placed and run to the workbench 1;

[0036] Winding frequency converter: controls the winding motor 5 to wind the cutting wire;

[0037] Pay-off side swing lever servo: provide the required torque for the pay-off swing lever axis 2, control the tension of the cutting wire, and read the position of the code disc into the PID feedback source of the pay-off inverter;

[0038] Swing lever servo on the take-up side: provide the required torque for the take-up swing lever shaft 3, control ...

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Abstract

The invention relates to a machine tool control system and a machine tool control method, in particular to an automatic control system and an automatic control method for a multi-wire cutting machine. The automatic control system comprises a traction servo unit, a paying-off frequency converter, a taking-up frequency converter, a paying-off lateral swing rod servo unit, a taking-up lateral swing rod servo unit, a tension sensor, a wire arrangement servo unit, a wire arrangement servo sensor, a PLC (programmable logic controller) and a touch screen operation interface. By using the automatic control system and the automatic control method for the multi-wire cutting machine, the tension of the swing rod type multi-wire cutting machine can be controlled by controlling a swing rod and controlling the taking-up speed and the paying-off speed, and the stability on control of the tension is guaranteed.

Description

technical field [0001] The invention relates to a machine tool control system and method, in particular to a multi-wire cutting machine automatic control system and method. Background technique [0002] Multi-wire cutting refers to cutting hard and brittle materials such as semiconductor silicon wafers into hundreds of thin slices at a time through the high-speed reciprocating motion of metal cutting wires. The traditional cutting wire tension control method mainly controls and adjusts the speed ratio of the pay-off servo to the main cutting servo and the speed ratio of the take-up servo to the main cutting servo according to the tension measurement value of the pay-off side and the tension measurement value of the take-up side respectively. , this control method is relatively simple, and it is difficult to ensure the stability of the control tension. For this reason, a multi-wire cutting machine with a swing bar has appeared, and the tension is adjusted in combination with...

Claims

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Application Information

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IPC IPC(8): B28D5/04G05B19/18
Inventor 吴新伟
Owner JIANGSU HEYI AUTOMATION TECH
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