Tracking method of traversing speed and position of water tank wire-drawing machine
A water tank wire drawing machine and line speed technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of low product yield, low work efficiency, and poor operating performance.
Active Publication Date: 2014-03-26
ZHEJIANG UNIV OF TECH
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[0004] In order to overcome the disadvantages of poor running performance, low work efficiency and low product yield of the existing water tank wire drawing machine, the present invention provides a water tank wire drawing that improves the running performance, improves work efficiency and product yield. Machine line speed and position tracking method
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[0038] The present invention will be further described below in conjunction with the accompanying drawings.
[0039] refer to Figure 1 ~ Figure 3 , a method for tracking the wire speed and position of a water tank wire drawing machine, the running speed of the wire should be as follows figure 2 In the AJCDE curve, correspondingly, the cable position and the take-up angle are no longer a purely proportional relationship, according to figure 2 , the induction cable position is tracked by the AJCDE curve, and at the same time, the closed-loop control of the cable position must be realized.
[0040] image 3 For cable position control, the purpose of position control is achieved through speed output. The wire arranging device is driven by the lead screw, and the winding speed is set to n S , The calculated value of the speed of the cable screw is n P , n P According to the induced speed curve AJCDE and the take-up speed n S Obtained, in order to precisely control the pos...
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The invention provides a tracking method of the traversing speed and position of a water tank wire-drawing machine. A traversing device of the water tank wire-drawing machine is connected with a traversing servo motor; the traversing servo motor is connected with a traversing servo controller; a rolling mechanism of the water tank wire-drawing machine is connected with a rolling motor; the rolling motor is connected with a rolling frequency transformer; a position detector is arranged on the rolling mechanism; the traversing operation controlling process in each layer is divided into three phases, namely an AJ constant speed phase, a CD high speed phase and a DE reduced speed phase, PPg and nP are obtained in each traversing phase, a traversing speed nPP output to a traversing servo driver is acquired by virtue of the sum of PI (proportional and integral) adjust output delta nP and nP according to the difference among traversing position pulse feedback values PPf, PPg and PPf. The tracking method of the traversing speed and position of the water tank wire-drawing machine, provided by the invention, is capable of improving the operation performance, the work efficiency and the product yield.
Description
technical field [0001] The invention relates to the field of water tank wire drawing machine control, in particular to a method for tracking the line speed and position of the water tank wire drawing machine. Background technique [0002] In the past, the winding mechanism and cable arrangement device of the water tank wire drawing machine were mostly driven by a single motor, and the cable arrangement device and the main shaft were hard-connected by mechanical transmission. This wiring method has high mechanical wear, high noise and low precision, and the problem is more obvious when winding at high speed. The winding and cable arranging of the latest water tank wire drawing machine are separately driven by two motors to realize the flexible connection of rewinding and arranging cables. The speed control of the two motors is set as the master-slave mode, and the cable motor is used as the slave machine, and its speed follows the speed of the winding motor to run synchronou...
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IPC IPC(8): B21C1/02B21C47/10B21C51/00
Inventor 南余荣
Owner ZHEJIANG UNIV OF TECH