| 摘要 |
<p>The die holder (6) comprise a die holder body with a hole (13a) in which a die (5) can be installed, an expandable ring-shaped chamber (14) disposed around the hole in such a way as to come in contact with the die to tighten and lock it in position. Enlarging and contracting working fluid (16) is sealed inside the chamber to expand the chamber, via a fluid passage (17), leading to the inside of the chamber and a pressure control, so as to center the die relative to the die installation hole.</p> |
