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O Ring Size Specification
Viton O-ring characteristics
0-ring seals rubber seals
Seal Rubber Ring Knowledg
VITON seals, Rubber Products
Application of Teflon ball
Plastic Ball Valve Knowledge
Seals, O-ring type of material
O Ring of material production
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The price of rubber ring
The production process of ball
o-ring size,o-ring type
Manufacturer of rubber rings
Manufacturer of plastic balls
o-ring material properties
o-ring specifications
O-ring manufacturers
Fluorine rubber o-rings
Rubber production technology
Rubber products price
Application of O ring
characteristics of the o-ring
o-ring production process
Manufacture of rubber balls
Rubber products manufacturing
The weight of the plastic ball
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How to make the roundness of plastic balls more precise?

How to make the roundness of plastic balls more precise? 

The roundness precision of the plastic ball is a very important link. Generally, the roundness precision has several grades of 0.01MM for the first grade, 0.02MM for the second grade, and 0.03MM for the third grade. The roundness of the plastic ball should start from the mold design. For example, the mold steel selection 718, P20, S136 and 420, etc. The mold structure design is very important, directly related to the roundness of the plastic ball. Press the injection molding, try to choose high-precision plastic ball machines imported from Japan, Germany and Italy. During the production process, mold temperature, injection molding pressure holding time, molding time, and cooling time should be carefully debugged.

 


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