A precision debugging method of CNC bending machine

A debugging method and technology of a bending machine, applied in the direction of digital control, electrical program control, etc., can solve the problems of excessive slider and instability, and achieve the effects of improved bending accuracy, fast debugging speed and long service life.

Active Publication Date: 2019-01-11
马鞍山市中亚机床制造有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It adjusts the movement of the slider by integral when the slider is working, but it does not give a specific method of obtaining the original proportional gain and integral gain for different machine tools, which will cause excessive or excessive movement of the slider in actual motion. unstable

Method used

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  • A precision debugging method of CNC bending machine
  • A precision debugging method of CNC bending machine
  • A precision debugging method of CNC bending machine

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Embodiment Construction

[0041] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] This scheme adopts one DELEM numerical control bending machine, and the numerical control system model can be above DA52s, and this embodiment adopts DA52s; one USB interface keyboard.

[0043] The bending accuracy of the bending machine is mainly affected by the working movement, which will be described in detail below.

[0044] The control algorithm of the slider is based on the trajectory control of the slider movement. The system requires that the speed, acceleration and deceleration of each bending stage must be programmed. The parameters required for each different pressure bending requirements and different bending machines are different. In the prior art, the same modular parameters are used for a bending machine, and there is no need for process errors due to process errors. And the optimal parameter setting required for bend...

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Abstract

The invention discloses a precision debugging method of a numerical control bending machine, and belongs to the field of the debugging of the bending machines. The precision debugging method of the numerical control bending machine includes following steps: (1) a bending machine control system is started, and setting parameters required by the operation of the bending machine are inputted; (2) proportion gain values in an PI controller are uniformly reduced, a practical operation curve is observed until the operation curve of a slide block during the bending stage is stable and the slide block of the bending machine does not jitter, and the proportion gain value is determined to the optimal value; and (3) integral gain values are uniformly reduced, a practical operation curve is observed until the operation curve of the slide block during the bending stage is stable and overshoot of the operation track of the slide block in the bending stage occurs, the proportion gain value is determined to be the optimal value; and the required integral gain value and the proportion gain value are obtained. By employing the method, the slide block can be kept stable and not excessive during operation, high precision during bending is guaranteed, the production efficiency is improved, and the production cost is lowered.

Description

technical field [0001] The invention relates to the field of debugging of bending machines, and more specifically, relates to a precision debugging method of a numerically controlled bending machine. Background technique [0002] The bending machine is a kind of forging machinery, and its main function is the metal processing industry. Products are widely used in: light industry, aviation, shipbuilding, metallurgy, instrumentation, electrical appliances, stainless steel products, steel structure construction and decoration industries. The bending machine is currently the first choice for sheet metal processing of sheet metal, especially large-scale sheet metal. By matching various molds, the sheet metal can be bent, stretched, rounded, punched, etc. The bending machine can be divided into two types: mechanical and hydraulic. For the current high-end CNC hydraulic bending machine in the market, it is equipped with the DELEM system. By adjusting the system parameters reasonab...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/18
CPCG05B19/18
Inventor 许齐宝倪刚黄长连余志钢陈达兵
Owner 马鞍山市中亚机床制造有限公司
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