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Excitation control method of wide plate roller type straightening machine

A roll-type straightening machine and excitation control technology, applied in the field of aluminum alloy sheet straightening

Inactive Publication Date: 2019-06-07
NORTHEAST LIGHT ALLOY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the influence of many factors such as the number of straightening rollers and the maximum straightening force, in the field of straightening, the straightening of wide plates has always been an important factor restricting the processing of aluminum plates

Method used

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  • Excitation control method of wide plate roller type straightening machine
  • Excitation control method of wide plate roller type straightening machine
  • Excitation control method of wide plate roller type straightening machine

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Experimental program
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specific Embodiment approach 1

[0021] Specific implementation mode one: refer to figure 1 Describe this embodiment specifically, the excitation control method of a kind of wide plate roller straightening machine described in this embodiment,

[0022] First, collect the actual rotational speed v of the driving motor of the bottom straightening roller in the straightening machine, and compare the actual rotational speed v with the given speed v 1 One pass is input to PID (Proportion Integration Differentiation) to obtain the speed value that needs to be adjusted, that is, to adjust the speed v 2 ,details as follows:

[0023] According to the actual speed v and the given speed v 1 Obtain the adjusted magnetic flux φ 1 ,

[0024]

[0025] Adjust the magnetic flux φ according to 1 Get adjusted speed v 2 :

[0026] v 2 = φ 1 / S·L·E;

[0027] In the above formula, φ represents the rated magnetic flux of the motor, S represents the cross-sectional area of ​​the wire, L represents the length of the wire...

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Abstract

The invention discloses an excitation control method of a wide plate roller type straightening machine, and relates to the technical field of aluminum alloy plate straightening. The invention aims torealize the straightening of a wide plate. The excitation control method of the wide plate roller type straightening machine comprises the following steps of: collecting an actual rotating speed v ofa bottom straightening roller driving motor in the straightening machine, obtaining an adjusting magnetic flux phi1 according to the actual rotating speed v and a given rotating speed v1, obtaining anadjusting speed v2 according to the adjusting magnetic flux phi1, obtaining an adjusting torque according to the adjusting speed v2 and a given torque T, feeding back (1.4-1.5) phi to the straightening roller driving motor as an excitation control signal when T1 is greater than or equal to 1.4T, and feeding back phi to the straightening roller driving motor as an excitation control signal when T1is less than T. The excitation control method is suitable for the straightening of the wide plate.

Description

technical field [0001] The invention belongs to the technical field of straightening aluminum alloy plates. Background technique [0002] Aluminum plate straightening has the function of eliminating plate surface defects and improving the flatness of the plate surface in the aluminum alloy plate straightening process. However, due to the influence of many factors such as the number of straightening rollers and the maximum straightening force, in the field of straightening, the straightening of wide plates has always been an important factor restricting the processing of aluminum plates. Contents of the invention [0003] The present invention aims at realizing the straightening of wide plates, and now provides an excitation control method of a wide plate roller straightening machine. [0004] An excitation control method for a wide plate roller straightening machine, which collects the actual speed v of the driving motor of the bottom straightening roller in the straighte...

Claims

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Application Information

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IPC IPC(8): B21D1/02
Inventor 亓岩刘金龙杨晓翠盛晓刚闫春宝耿广超于增源刘登峰孙黎明穆永明孙静怡
Owner NORTHEAST LIGHT ALLOY CO LTD
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