The most important components of the open mill are two rollers with the same diameter and rotating inward relative to each other. The hardness, smoothness, and temperature of the roller will all affect the experimental results and the service life of the open mill.
The roller is machined, vacuum quenched to a hardness above 100%, and mirror electroplated and polished to achieve a surface finish of 100%. The roller shoulder is tempered and tempered to eliminate the stress of the material itself and greatly improve the roller's impact resistance and friction. The bearing positions of the roller are all processed by high-precision cylindrical grinders, and the assembly tolerance is guaranteed to be +. The bearings use double-row cylindrical self-aligning bearings that can withstand high-intensity impact forces, and are more precise and durable than traditional nylon sleeves.
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