| 摘要 |
<p>A die for tube drawings comprising a housing (11) a die member (12) in a bore (14) in the housing (11) and a screw-threaded collar (13) engaging a screw-threaded portion (15) of the bore (14). The die member (12) and bore (14) are tapered. Rotation of the collar (13) exerts axial pressure on the die member (12) to give fine adjustment of the die internal dimension.</p> |
