| 摘要 |
PROBLEM TO BE SOLVED: To provide a mandrel for shot blasting of a coil which can be repaired by a simple work and in which the shape and the number or the like of protrusions can be properly changed in relation to the shape of a coil. SOLUTION: The mandrel, which supports the coil by hooking it in a cage when the coil is polished and cleaned by shot blasting, is provided with a shaft, a plurality of tubular bodies detachably mounted to the shaft, protrusions protruded on the outer peripheral face of the tubular body, and a wear-resistant material fixed on the surface of the tubular body and the protrusions. A plurality of the tubular bodies are integrally rotated by rotating the shaft laid on the cage. COPYRIGHT: (C)2005,JPO&NCIPI
|
