With the tremendous growth of the Jewelry Production and raising Labor costs, the application of Mass Finishing methods became unrenowncable. The Requirements are decorative and functional finish. Three Basic Mechanical-chemical systems are available:

Tumbling
Vibratory
CBF

CBF allows the widest versatility of different steps including the best results. In addition dry processes are part of it, reducing or eliminating environmental problems caused by waste water, refining of the precious metals is easy. Equipment therefore and processed parts are presented.

Author: Manfrid Dreher