DOUBLE SURFACE POLISHING MACHINE

PROBLEM TO BE SOLVED: To prevent the deposit and solidification of the slurry by forming a pin of a pin shaft and a collar fitted to the peripheral part of the pin shaft, providing the pin shaft with a groove in a surface thereof, and providing a lower end of the groove thereof with an open hole in...

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Bibliographic Details
Main Authors AMANO TAKESHI, KIYONO TOSHIHIRO
Format Patent
LanguageEnglish
Published 12.10.1999
Edition6
Subjects
DRESSING OR CONDITIONING OF ABRADING SURFACES
FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
GRINDING
MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
PERFORMING OPERATIONS
POLISHING
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To prevent the deposit and solidification of the slurry by forming a pin of a pin shaft and a collar fitted to the peripheral part of the pin shaft, providing the pin shaft with a groove in a surface thereof, and providing a lower end of the groove thereof with an open hole in the peripheral direction of the pin. SOLUTION: A work is pinched for pushing by an upper and a lower plates while always supplying the slurry including the abrasive granular powder, and a surface plate and the work are rotated for working. The slurry is evenly distributed over the whole of a polishing surface, and discharged. This slurry enters a narrow space between a pin shaft 10 and a collar 12. In this case, since the slurry entered inside of the pin structure is flowed downward along a groove 11a and discharged through an open hole 11b, hindrance of the smooth rotation of the collar 12 by the solidification and deposit of the slurry inside is prevented.
Bibliography:Application Number: JP19980085888