GRINDING WHEEL MOLDS AND SELECT
Grinding Wheel Press Molds:
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Mold Ring
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Center Pin
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Bottom Plate( and Top Plate for some machine)
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Press Head
Abrasive mixture with other materials: glassfiber net, lable and bush is feeded into the mould cavity and compacted by a hydraulic press.



Mold Plate with PU(polyurethane)

Mold Plate with PU(polyurethane)
Pattern by PU Mold
Pressed by PU molds, the PU material is the abrasive grains partly permeate the Paper/Label on grinding wheel surface, we will get a special surface pattern (sandy or frosted, see picture on right) which is popular in some market.

Grinding Wheels Surface by Steel Mould
Grinding Wheels Surface by Mould with PU