| 摘要 |
PURPOSE: A bite holder is provided to improve fixing strength for machining since an insert is welded on a bite holder by copper. CONSTITUTION: A bite holder(10) comprises a base end portion(11), an extended portion(12), and an insert(20). The base end portion is fixed to a bite bar. The extended portion is formed on one side of the base end portion. The insert is mounted on an insert placing surface of the top edge of the extended portion. The insert has a bite tip mounting surface(22) at the top edge thereof.
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