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The roller uses medium frequency induction heating power for quenching heat treatment, and its performance is far superior to that of complex carbon quenching

The roller uses medium frequency induction heating power for quenching heat treatment, and its performance is far superior to that of complex carbon quenching

When the chain is running, the rollers are subjected to large alternating extrusion forces and multiple impact forces, and often break and wear out during use. Therefore, it is necessary to perform quenching heat treatment on the rollers. For roller quenching, there are currently two quenching methods, one is carbon quenching and the other is medium frequency quenching. Many people say that the effect of medium frequency quenching is better than that of complex carbon quenching. Is this true?

In order to verify which quenching method is better, we conducted an impact test on the rollers after medium frequency quenching and the rollers after composite carbon quenching. The test results are as follows:

Impact energy/J Breaking cycles Fracture properties
Complex carbon quenching Medium frequency quenching Complex carbon quenching Medium frequency quenching
196 42000 144000 Fatigue Not cracked
30000 144000
45600 144000
294 9643 48300 Fatigue Fatigue
18400 61890
392 7500 24050 Fatigue brittle Fatigue
9000 30120
10260 34900
539 430 9200 Crisp Fatigue
1150 10930

From the table, we can clearly see that after the roller is quenched by the medium frequency heating power supply, its fracture cycles and fracture properties are better than those of the complex carbon quenching.

Medium frequency induction hardening is a promising process. It not only simplifies the operation, but also greatly improves the service life of the rollers. If you have not used a medium frequency heating power supply for quenching heat treatment, then don’t hesitate and get started!

 

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