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What are the characteristics of roller design for cold roll forming equipment?
The main part of cold roll forming equipment is rolls. The design of roller is very important. Its design features are as follows:
1. The principle of average force on each pass of cold bending forming equipment, the average force on the roller, the wear balance, and the service life of the roller are increased.
2. The wear resistance of the roll is utilized, but the specific strength and hardness are contradictory. The red hardness of C12MoV should be used in heat treatment. After quenching, the hardness can be achieved by tempering twice or three times.
3. The arc part of the track is the main part of the cold bending forming equipment. The arc position after the first few passes of the cold bending forming is used to protect the tube bundle through the upper and lower rollers or the horizontal rollers when the edges are folded and erected in the later passes. Otherwise, the material will change the arc position in the process of stretching, R becomes a triangle smaller, R becomes larger, the matching rail will produce sloshing, uneven force, sliding rail deformation, reduce service life.
4. Rolling stability problems, production often encounter material in the raceway left and right yaw problem, in fact, a single group of roller by asymmetry, the force on the left side, the material to the right side of the yaw; the force on the right side, the material to the left side of the yaw.
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Application analysis of cold bending forming line for food trough