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Twisting solution for cold roll forming machine


1. The neutral layer of the deformation zone is calculated accurately, the material used in the deformation zone is calculated accurately, and the symmetry of the roller processing is good.
2. The non-deformed area is not subject to pressure as much as possible (such as the bottom of the slide rail), and the gap between the upper and lower rollers is consistent during assembly.
3. Before the material is bitten, the guiding oblique opening should be set according to the rolling state of the front channel. Before the stable pressure is applied, the material slides smoothly in the roller.
4, the accuracy of the roller processing is the key, for this purpose, special tools are specially produced under the projector, magnified 20 times for detection.
5, the main drive side, the use of roller cone bearings, to ensure that the spindle radial runout within 0.04MM, to ensure that the spindle will not move left and right, the ordinary ball bearing itself has a gap, in the precision transmission can not avoid axial turbulence.
6. The problem of bending and twisting in production is mainly caused by unbalanced forces. The left and right forces are unbalanced, bending left and right, and the upper and lower forces are unbalanced, resulting in distortion. Solution: The design is balanced by force, accurate in processing and easy to install and adjust.
The cold roll forming machine combined roll structure is mainly fixed by the upper shaft and the upper roll, the lower roll and the lower shaft are fixed, and the auxiliary bearing seat and the auxiliary bearing seat are connected by the first connecting plate, and the feature is: the auxiliary bearing seat passes the bearing and the upper shaft The second connecting plate is fixed to the auxiliary bearing seat, the small shaft is fixed to the second connecting plate, and the auxiliary roller is connected to the small shaft through the bearing. The utility model has the advantages of simple structure, compactness and reasonableness; when the plate is in contact with the auxiliary roller, the auxiliary roller can be passively rotated, and the plate avoids the hollow bend during the forming process, and changes from the original elastic deformation to the plastic deformation; the surface of the formed plate is obviously indented. Reduced, the surface is smooth and flat.

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