Shrinkage fitting holder

摘要: PROBLEM TO BE SOLVED: To provide a shrinkage fitting holder superior in rigidity and gripping force, capable of setting tool mounting position (setting projecting amount blade) with high accuracy. SOLUTION: A cylindrical small part 4a is formed on point chuck 4 1 having an insertion control 6 for adjusting when necessary, ring coefficient thermal expansion mounted outer periphery the or by fitting, whereby can be set accuracy, fixed force. COPYRIGHT: (C)2001,JPO