MAGNET CHUCK DEVICE

Title:

MAGNET CHUCK DEVICE

Document Type and Number:

Japanese Patent JP2016112650

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a magnet chuck device which holds a processed object on a backing plate with a stronger magnetic force.SOLUTION: A magnet chuck device (1) has: a shoe support part (8) attached to a base (2); a shoe (9) which is attached to the shoe support part (8) and rotatably supports a processed object (W) held by a backing plate (7) when the processed object (W) is held by the backing plate (7); and a flux guide (10) which is attached to the shoe support part (8) and faces the processed object (W) held by the backing plate (7) when the processed object (W) is held by the backing plate (7). The shoe (9) is made of a nonmagnetic material. Further, the base (2), a spindle (5), the backing plate (7), the shoe support part (8), and the flux guide (10) are made of a magnetic material.SELECTED DRAWING: Figure 1

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Inventors:

KOMATA MASAKI
YOSHIMURA TAKASHI

Application Number:

JP2014254121A

Publication Date:

June 23, 2016

Filing Date:

December 16, 2014

Export Citation:

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Assignee:

NSK LTD

International Classes:

B23B31/28; B23Q3/152

Attorney, Agent or Firm:

Tetsuya Mori
Suzuki Isobe
Hide Tanaka Tetsu
Ichi Hirose
Toru Miyasaka

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