The Structure And Quality Requirement Of Forming Roller Of Roll Forming Machine
Roll forming machine, it is divided into two categories according to the structure: the overall shape of the roller and the combination forming roller. The disadvantage of the integral forming roller is to manufacture complex, and can not replace the easy wear part of the pass, so it is not widely used. The advantages of combination and forming is various and has the advantages of simple processing, can be replaced individually pass in the easy wear parts, gaskets are available to correct pass in the roll gap, roll specifications can be unified, thereby reducing Roll forming machine and reserves. Therefore, this kind of molding and get wide application. But the combination of Roll forming machine and disadvantages, produced in the shape of the axial force is transferred to the roller of the fastening nut, the groove width change, affect the product size precision, now Caigang equipment, C type steel equipment are also using this combination of forming rollers.
Roll forming machine, the surface shall be free from bubbles, cracks, scarring, folding, inclusion, and edge delamination, allowing not greater than 10% of nominal thickness slightly concave, convex, indentation, hairline, bruises, and pressed into the iron oxide.
The surface defects of the Roll forming machine can be cleaned up by the method of repairing and grinding, but the depth of the cleaning shall not exceed 10% of the nominal thickness.
For Roll forming machine with high surface quality, the technical conditions of the surface quality should be agreed.
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