DOUBLE-HEAD SURFACE-GRINDING APPARATUS AND GRINDING METHOD

A double disc surface grinding machine (10) includes work holding section (65) for holding an inner circumferential surface of an annular work (W) at a plurality of locations. The work holding section (65) includes a plurality of holding members (66) extending radially as viewed from a rotation shaf...

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Bibliographic Details
Main Authors OSAKI SAJIO, KYOKUMOTO KATSUYUKI, TAKAMI MINORU
Format Patent
LanguageEnglish
French
German
Published 23.11.2016
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:A double disc surface grinding machine (10) includes work holding section (65) for holding an inner circumferential surface of an annular work (W) at a plurality of locations. The work holding section (65) includes a plurality of holding members (66) extending radially as viewed from a rotation shaft (46). Each holding member (66) is movable outward and inward radially of the rotation shaft (46), and is contactable to the inner circumferential surface of the work (W). The position adjustment section (76) connects the rotation shaft (46) and the work holding section (65) with each other, and adjusts a position of the work holding section (65) in the radial direction of the rotation shaft (46). While the inner circumferential surface of the work (W) is held by the work holding section (65), the rotation shaft (46), the position adjustment section (76), the work holding section (65) and the work (W) are rotated integrally with each other around the rotation shaft (46). Part of the rotating work (W) is sandwiched by a pair of grinding wheels (16a), (16b) to grind two main surfaces of the work (W).
Bibliography:Application Number: EP20150737940