The concept of cold bending forming machine
Cold roll forming machine is a multi pass through the order of forming roll, the coil, strip and other metal plate with continuous transverse bending, in order to make a specific section of the plastic processing technology of the machinery.
Forming principle of cold bending forming machine
The basic principle of the forming process of the cold roll forming machine is that the strip is bent along the longitudinal direction in a straight line. However, in the process of bending deformation generated by the pressure and the residual stress in the plate with the combination, often plate with deviation from the cold forming equipment. The deviation degree of the plate belt from the last forming roller, the most commonly used terms are: lateral bending - horizontal bending, warping - vertical bending, twisting - spiral. In order to solve this problem, we should use the straightening mechanism at the end of the cold roll forming machine.
The principle of straightening mechanism of cold roll forming machine
The basic principle of straightening mechanism, the profile with lateral bending, warping and other defects, through the treatment mechanism along the opposite direction ten enough pressure to produce permanent deformation. If the amount of deformation in the opposite direction is appropriate, then the profile can be completely straightened. If the shaped section is in a certain direction, the straightening mechanism is rotated in the opposite direction to produce a permanent plastic deformation. If the rotation angle is appropriate, after the rebound, the profile will no longer reverse.
Cold bending forming machine structure and system configuration
The cold bending forming machine is mainly composed of a feeding frame, a leveling machine, a punching machine, a cold bending forming machine, a stopping and cutting part, a finished product discharging collecting device, an electric control part and a safety protection part.
[advantages] of the cold bending forming machine
1, the average force principle of the road, across the board, the average force, wear leveling, prolong the service life of the roller.
2, roll using C12MoV material is the use of its wear resistance, but the specific strength and hardness is contradictory, heat treatment to use the red hardness of C12MoV, after quenching, two or even three tempering to achieve hardness.
3, the arc part is the core part of rail track, the previous arc pressing after, after pass folded edge when dealing with arc shaped, the upper and lower roll or transverse wheel, or for effective protection, material in the bundle, tensile process of arc bit will change, R a small triangle, the ball is not in the end, two contact noise, R becomes large, with rail swing, slide when using fuzzy trajectory, uneven stress and deformation of the slide, shorten life.
4, the rolling stability of the material in the raceway around the swing in the problems often encountered in the production, is actually a single group of wheels under asymmetric left force, material to the right swing; right force, material to the left swing.
[the use of cold bending forming machine]
Cold roll forming machine is designed for hardware, kitchen utensils, furniture, home appliances, building materials, automotive, refrigeration, electrical appliances and other industries in the use of the equipment.
Cold roll forming machine is suitable for 2-6MM cold roll forming, such as warehouse support (light) belly bar, beam, light steel keel, lamp bracket, sink, ball guide, curtain rail, ceiling keel, architectural design, wall door, trough, square pipe, C/L/Z steel, and various non-standard products customized.