Stretch bending-straightening machine
A technology for straightening and straightening rolls by stretching and bending, which is applied in the direction of bending workpieces, metal rolling stands, metal rolling mill stands, etc., and can solve the problems of long opening time of roll boxes, changing stress state, small axial bearing capacity, etc. problems, to achieve the effect of guaranteeing the straightening quality, prolonging the service life and reducing the failure rate
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[0028] There are three forms of the series of tension-bending straightening machines of the present invention: two bending and two straightening, two bending and one straightening, and one bending and one straightening. The structural difference is reflected in the straightening machine body. The structure diagram of the body 4 with two bends and two corrections is as follows image 3 , Figure 4 As shown (right feeding form); two bends and one straightening image 3 , Figure 4 In contrast, the upper straightening roller box 16, the upper lifting device 18, and the steering roller device 15 are reduced; one bending, one straightening and image 3 , Figure 4 Contrast has reduced steering roller device two 15, upper straightening roller box 16, upper lifting device 18, upper bending roller box one 20, fast depressing device 21, lower bending roller box two 10. The series of stretch bending straightening machines of the present invention also have a left-feeding form.
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