1971-02-01

Improvements in Vibratory Equipment and Supplies for Finishing Zinc Die Castings 710196

The paper reviews the development of the new generation of high-energy vibratory equipment and its application in vibratory finishing of zinc die castings. Special emphasis is placed on media and compounds used, new polishing techniques, more effective handling systems, and cost savings being effected.The primary benefit derived from dual-shaft vibrating machines is faster and better processing of larger work loads in the same container space, together with 400-500% greater work efficiency at lower frequency and less horsepower.By using the proper combination of compounds, media, and machinery, zinc die castings can now be prepared for chromium plating with no need for buffing. Even castings with surface blemishes and slight defects can be satisfactorily finished in this manner.

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