Plastic Balls Manufacturer shares the rules for washing glass balls:

Before using the glass ball, it must be washed, that is, the user's appearance is re-examined. Generally, a drum-type ball washing machine is used to wash in hot water above 80 ° C to wash off the dust and dirt on the surface of the glass ball. After cleaning the glass ball, select the ball according to the appearance quality standard.
The glass balls cleaned by the ball selection system flow through the "bottom", the frosted glass workbench of the fluorescent lamp, and the appearance defects are inspected with the naked eye.

1. Use two porous steel ball sieves with apertures of 20.2mm and 18.8mm to check the diameter of the glass ball, and use a vernier caliper to check the roundness. Twins balls.
2. Sort out bubble balls, raw stone balls, refractory stone balls, line balls, non-alkali phase separation balls and crystal balls according to the standard; pick out oil balls, red balls (rust) and white balls (alkali powder); Pick out deep groove balls and severe scissors marks.
3. Generally take 300 packages as a batch, and randomly take 10 packages from them, and take 50 balls in each package as the sample for appearance inspection. Stone defects are not greater than 1% of the sample ball; the total pass rate shall not be less than 97%. , Then the ball is qualified for appearance. Otherwise, the ball is judged as unqualified.

Qualified glass balls, either in bags or boxes, are hoisted to the platform of the wire drawing unit, or hoisted into the high-level ball box and ball warehouse for use. When in use, it is transported to the ball adding machine by manual or chute.

The above content is collated and shared by Rubber Rings Wholesaler , hoping to help those in need.