Grinding disc and method for manufacturing the same
OwnerBach Pangho Cheninventor
Life of this patent
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Abstract
A method for manufacturing a grinding disc comprising: injecting a first injection plastic material on a mandrel to form a preliminary carrier disc, the preliminary carrier disc including a first embedding portion for completely encircling the embedding section, and a carrier portion extended from a periphery of the first embedding portion; and injecting a second injection plastic material on the preliminary carrier disc to form a secondary carrier disc, the secondary carrier disc including an engaging portion adhered to and supported by the carrier portion, and a mounting surface opposite to the engaging portion. Thus, the grinding disc is adapted to quickly produce appropriate deformation according to contours of a grinding target for preferred grinding effects.
Claims11
A method for manufacturing a grinding disc, comprising:
- providing a mandrel comprising a bridge section and an embedding section extended from the bridge section;
- performing a first injection molding, to place the mandrel in a first injection mold, the first injection mold at least injecting the first injection plastic material on the mandrel, such that the first injection plastic material forms a preliminary carrier disc when cooled;
- and the preliminary carrier plate comprises a first embedding portion for completely encircling the embedding section, and a carrier portion extended from a periphery of the first embedding portion;
- and
- performing a second injection molding, to place the mandrel embedded with the preliminary carrier disc in a second injection mold, the second injection mold at least injecting the second injection plastic material to the preliminary carrier disc, such that the second injection plastic material forms a secondary carrier disc fixed at the preliminary carrier disc when cooled;
- and the secondary carrier disc comprises an engaging portion adhered to and supported by the carrier portion, and a mounting surface opposite to the engaging portion.
A grinding disc, assembled to a machine tool and propelled by the machine tool, comprising:
- a mandrel, comprising a bridge section, and an embedding section extended from the bridge section;
- a preliminary carrier disc, formed by a first injection plastic material, comprising a first embedding portion for completely encircling the embedding section, and a carrier portion extended from a periphery of the first embedding portion;
- and
- a secondary carrier disc, formed by a second injection plastic material, comprising an engaging portion adhered to and supported by the carrier portion, and a mounting surface opposite to the engaging portion.
Dependencies are inferred from the claim text.