Cold Bending Machine

Cold Roll Forming Machine, Steel Ball Guided Rail Machine Roller Design and Manufacturing Features:

1. Principle of average force distribution in each process, even force distribution across all roller lines, even wear, and extended roller lifespan.

2. The use of C12MoV material for rolling mills takes advantage of its wear resistance, but there is a contradiction between its strength and hardness. During heat treatment, the red hardness of C12MoV must be utilized. After quenching, two or even three tempering steps are required to achieve the desired hardness.

3. The track arc section is the core part of the sliding track. After the initial forming of the arc during the first few passes, when bending the vertical edges in subsequent passes, the formed arc should be effectively restrained through the upper and lower rolling mills or cross wheels. Otherwise, the arc position of the material will definitely change during the stretching process, with R becoming smaller and forming a triangle, the ball bearings not reaching the bottom, resulting in noise from the two-point contact. When R becomes larger, it causes the track to vibrate, leading to blurred tracks during sliding track use, uneven force distribution, deformation of the sliding track, and shortened lifespan.

4. Rolling stability issues: frequently encounter the problem of material swinging left and right in the roller channel during production. This is actually due to the uneven distribution of force on a single roller set, where the left side experiences more force causing the material to swing to the right, and vice versa for the right side.