Disc shear cutter head overlap amount regulation control method
A control method and technology of overlapping amount, which is applied in the direction of shearing machine control device, electrical program control, program control in sequence/logic controller, etc., can solve the problem of failing to meet the precision requirements of disc shears, and it is difficult to improve the adjustment of overlapping amount Accuracy, large overlap adjustment error and other issues, to achieve the effect of easy and precise control
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[0021] Fig. 1 is a principle diagram of adjusting the overlapping amount of disc shears in the present invention. It can be seen from the figure that the control model of disc scissor disc overlap is:
[0022] δ=Φ-H-2RCOSα
[0023] In the formula, δ is the overlap amount of the cutter head (when the cutter head overlap is defined as positive, δ>0, and when the cutter head overlap is negative, δ<0); Φ is the diameter of the cutter head; H is the upper and lower eccentric sleeves of the frame The center distance of the outer circle; R is the eccentric distance of the eccentric sleeve; α is the rotation angle of the eccentric sleeve (it is defined as 0° when the eccentric sleeve is at the highest position, and the adjustment range of the overlapping amount is 0°~180°).
[0024] Taking the derivative of δ(α) on the above formula, we can get
[0025] δ'=2RSin α
[0026] In the formula, δ' is the derivative of overlap.
[0027] As shown in Figure 2, the relationship curve betwee...
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