Method of balls rolling on ball- rolling mills is one of the most modern production methods. Transversal rolling of balls from the round billet is economical. It differs from other methods due to the possibility to produce grinding balls on the uninterrupted automated aggregates, which allows 2 to 8 times to increase the output and 10-15% to reduce the consumption of metal. The process involves the following stages:
1. Incoming inspection of preform.
For the production of grinding balls, Energosteel uses hot rolled round bar from medium and high carbon and low-alloyed steel produced by the world’s leading metallurgical companies. Prior to the production, the preform is subjected to strict control against the chemical composition and geometrical parameters.
The preform is heated in a modern induction furnace, which ensures the accurate output temperature of rods.
3. Balls rolling
The heated perform is set in the inlet of screw gauges where it is rolled into balls.
4. Heat Treatment
Rolled balls come from the screw gauges outlet to the quenching drum shelves through the inclined chute. After the quenching bath, the hardened balls come into package, where the balls are self-tempered before shipment.
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