Title:
CAULKING PUNCH
Document Type and Number:
Japanese Patent JP2016074024
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To avoid early breakage of a caulking punch which is assembled into an oscillation caulking device and is used for caulking a shaft end of a hub shaft.SOLUTION: A caulking punch 30 is equipped with a guide surface 56 which is formed on an outer periphery of a guide part 54 and contacts a shaft end of a hub shaft, and is further equipped with a caulking creation surface 57 which presses the shaft end in an axial direction towards an inner ring member. A shape of an axial direction cross section of a connection part, in which the guide surface 56 and the caulking creation surface 57 are connected to each other, is formed from a first circular arc 61 which is connected to the caulking creation surface 57 and a second circular arc 62 which is connected to the guide surface 56. The first circular arc 61 and the second circular arc 62 contact each other, and a curvature radius of the first circular arc 62 is smaller than that of the first circular arc 61.SELECTED DRAWING: Figure 1
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Inventors:
ONIZUKA TAKAAKI
Application Number:
JP2014207695A
Publication Date:
May 12, 2016
Filing Date:
October 09, 2014
Export Citation:
Assignee:
JTEKT CORP
International Classes:
B21D39/00; B60B35/02; F16C19/18; F16C35/063; F16C43/04
Domestic Patent References:
| JP2000087978A | 2000-03-28 | |||
| JP2000087978A | 2000-03-28 | |||
| JP2010001870A | 2010-01-07 | |||
| JP2010001870A | 2010-01-07 |