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Patent Searching and Data


Title:
研削盤
Document Type and Number:
Japanese Patent JP6926605
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a grinding machine utilizing a tailstock whose structure can be simplified.SOLUTION: A tailstock 30 comprises: a first body 110 which is mounted with a center 100; and a second body 120 which can move in a rotation axis-line direction of a workpiece W with respect to the first body 110, can move in the rotation axis-line direction of the workpiece W with respect to a head 10, and is driven by a tailstock driving device 73, so that the second body 120 pressurizes the first body 110 in a direction in which the body is made approach the workpiece W. The first body 110 comprises: a first body base 111 to which a first slider 32a is fixed; and a first body extending part 112 which is positioned away from the rotation axis-line direction of the workpiece W with respect to the first slider 32a, and which extends upward from an end surface in a rotation axis-line direction of the workpiece W, of the first body base 111, and supports a center 100, at a position upper than an upper surface of the first body base 111.SELECTED DRAWING: Figure 7

Inventors:
Ikuya Kato
Kiyota Dai
Application Number:
JP2017074375A
Publication Date:
August 25, 2021
Filing Date:
April 04, 2017
Export Citation:
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Assignee:
JTEKT Corporation
International Classes:
B24B5/42; B24B5/04; B24B41/06
Domestic Patent References:
JP8132338A
JP59055606U
JP3136051U
JP10118923A
JP2009072843A
Foreign References:
US4870786
Attorney, Agent or Firm:
Patent Business Corporation Aichi International Patent Office
Kiichi Yamamoto
Kobayashi Osamu
Kimura Gunji