发明名称 |
ROTARY TOOL HOLDER ASSEMBLY AND METHOD OF ITS PRODUCTION |
摘要 |
<p>A rotary tool holder assembly comprising a collet ( 2 ) carried by a shaft ( 1 ). The collet ( 2 ) is moveable relative to the shaft ( 1 ) between a tool gripping position, in which an inserted tool can be gripped for rotation, and a tool release position. In some cases, the shaft ( 1 ) comprises a bore, an inner surface of which is shaped for contact with an outer surface of the collet ( 2 ). The shaft ( 1 ) and collet ( 2 ) are shaped such that when the rotary tool holder assembly is rotated at a predetermined high speed the shape of the inner surface of the shaft ( 1 ) substantially matches the shape of the outer surface of the collet ( 2 ). A friction reducing coating is provided between at least a portion of the inner surface of the shaft ( 1 ) and the outer surface of the collet ( 2 ). In alternatives, particular parts of the rotary tool holder may have a friction reducing coating.</p> |
申请公布号 |
EP1633516(B1) |
申请公布日期 |
2010.07.07 |
申请号 |
EP20040734547 |
申请日期 |
2004.05.24 |
申请人 |
GSI GROUP LIMITED |
发明人 |
PAVEY, CHRISTOPHER, JOHN;TEMPEST, MICHAEL, CLINTON |
分类号 |
B23B31/20;B23B31/26;H05K3/00 |
主分类号 |
B23B31/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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