Producing Process Of Zinc Alloy Medal


Raw material: zinc alloy

锌合金

Step 1: Die casting

The mould is composed of two parts, and the pattern is carved on the mould. The zinc alloy, which is originally a solid. It melts and then flows into the mold along the pot, where it is formed by die-casting and springing out of the product - called a blank.

Step 2: Polish process

(1) grinding+rough polish

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(2) finely polished by hand

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Step 3: Coating (this also cause price difference)

(1)common quality standard: looked like dyed black 

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(2) High quality standard: electrophoresis black 

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Step 4: Enamel

(1) We need to make sure the workshop is clean,otherwise dust will drop on medal making the bubbles as well as unsuitable temperature when dry the enamel.

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(2)More difficult to make big enamel area(need strict control on workshop cleanliness and temperature)

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Step 5: Sew ribbon

Step 6: Packaging: Single opp bag