Title:
AUTOMATIC CENTERING DEVICE AND AUTOMATIC CENTERING METHOD OF WORKPIECE, TEST OR MEASUREMENT DEVICE, TEST OR MEASUREMENT METHOD, AND METHOD FOR MANUFACTURING RACE RING FOR BEARING, AND METHOD FOR MANUFACTURING BEARING
Document Type and Number:
Japanese Patent JP2019181693
Kind Code:
A
Abstract:
To provide an automatic centering device and an automatic centering method of a workpiece which has a simple structure, and can perform workpiece centering work in a short cycle time.SOLUTION: An air slide table 20 arranged on a rotating table 11 has: a movable base 40 on which a workpiece placing face 42a for placing a workpiece W thereon is arranged, and can horizontally move to an arbitrary direction while being floated by pressure of compressed air. Furthermore, an automatic centering device 10 comprises a plurality of stopper devices 30 each having an abutment part 31a on which the workpiece W can abut, and performing positioning of the workpiece W; and a pressing device 60 which presses the workpiece W so that the workpiece W abuts on the abutment part 31a of the stopper device 30.SELECTED DRAWING: Figure 1
Inventors:
NAKANO MAKOTO
Application Number:
JP2019123081A
Publication Date:
October 24, 2019
Filing Date:
July 01, 2019
Export Citation:
Assignee:
NSK LTD
International Classes:
B23Q3/18; B23Q1/01; B23Q3/02
Domestic Patent References:
| JP2011194530A | 2011-10-06 | |||
| JPH071187A | 1995-01-06 | |||
| JPH04322929A | 1992-11-12 |
Foreign References:
| US5014440A | 1991-05-14 |
Attorney, Agent or Firm:
Patent business corporation glory patent office