| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a tool for caulking a shaft end which facilitates caulking work such that deflection and deformation rarely occurs even if elevated pressure force is applied, excessive pressure force is unnecessary for obtaining required axial tension, and setting of pressure force for obtaining the required shaft force is easy. SOLUTION: This shaft end caulking tool 10 has a shaft portion 12 and a bearing 2 disposed at the outer periphery of the shaft portion 12. The caulking tool 10 is used to caulk a shaft end of the shaft portion 12 onto an end face of a collar 21a of an inner ring 21 of the bearing 2 so as to prevent the bearing 2 from slipping and supply preload. At least a surface of a concave portion 10a contacting with the shaft end is made of a super-hard tool material having higher hardness (830 Hv or more) than that of high-speed tool steel.</p> |
