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Flying Shear’ Reseach and Application in Cold Continuous Rolling Control Systems

Author: LiuXinLing
Tutor: LiangXiuXia
School: Hebei University of Technology
Course: Control Science and Engineering
Keywords: Tandem Cold Mill Seam Tracking Flying shear control HMI
CLC: TG333.21
Type: Master's thesis
Year: 2011
Downloads: 47
Quote: 0
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Abstract


Flying shear control is important in the production process of cold rolling strip control part of the normal operation of the flying shear , which plays an important role irreplaceable production equipment to reduce accidents and improve productivity . Shear control quality directly affect the product dimensional accuracy of the finished product rate , to improve the quality of the product , relying \in-depth research . This paper first reviews the research status of the flying shear control strip tandem cold rolling , specific projects , design tandem cold rolling flying shear control system automatically control program , 6RA70 Digital DC speeder as the system drive control mode, corresponding to the design of electronic control devices , and write control algorithm based flying shear shear process , combined with the algorithm for seam tracking and flying shear control programming , application software STEP7 flying shear Blade speed , the location of the closed-loop control , so to be able to meet the production requirement . Secondly , the use of the the WINCC An HMI configuration software design flying shear control system monitoring interface , Ethernet and Profibus-DP bus communication link live transmission devices and PC monitor screen , remote operation of the flying shear control , timely troubleshooting , to ensure the normal operation of the flying shear Blade , saving a lot of manpower and resources . Improvement of production projects than in the past , the control system applied seam tracking control aspects of PLC programming control , making the the flying shear shear position more accurate , specific operations and a number of debugging charged with objects on the scene , to achieve the control of the system is high precision , low failure rate of good results , verify the correctness of the design .

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metal pressure processing > Rolling > Rolling mill machinery equipment > Rolling auxiliary equipment > Shears
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