Porous sponge polishing wheel
The invention discloses a porous sponge polishing wheel which comprises a sponge base body. A film layer is arranged on the upper surface of the sponge base body. A grinding material and glue mixture layer is arranged on the upper surface of the film layer and comprises a glue layer and a grinding m...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention discloses a porous sponge polishing wheel which comprises a sponge base body. A film layer is arranged on the upper surface of the sponge base body. A grinding material and glue mixture layer is arranged on the upper surface of the film layer and comprises a glue layer and a grinding material layer. The glue layer is exposed out of the upper middle portion of the grinding material layer. The glue layer is exposed out of the upper middle portion of the grinding material layer is composed of regular polishing blocks in a geometrical shape. Grooves are formed between the polishing blocks, the grooves are communicated in a crossing manner, and concave holes are formed in the crossing portions of the grooves. According to the sponge polishing wheel, grinding sharpness is greatly improved, grinding efficiency is high, and the work strength of grinding and polishing is effectively reduced; and heat radiation is good, and the service life of the sponge polishing wheel is effectively prolonged. |
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