| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a spiral spring blade type blade die capable of simultaneously highly accurately executing half-cut processing and whole punching processing.SOLUTION: The blade die comprises a whole punching blade, a half-cut blade and a blade fixing part for fixing the root of the whole punching blade and the half-cut blade, and the blade fixing part comprises mutually superimposed and fixed base material and back plate, and the whole punching blade penetrates through a whole punching blade through-groove formed in the base material, and is fitted in a whole punching blade height adjusting groove formed in the back plate, and is supported by a groove bottom surface of s whole punching blade height adjusting groove, and the half-cut blade penetrates through a half-cut blade through-groove formed in the base material, and is fitted in a half-cut blade height adjusting groove formed in the back plate, and is supported by a groove bottom surface of the half-cut blade height adjusting groove. and when the whole punching blade punches a sheet-like base material in the thickness direction, the digging-in depth up to the groove bottom surface of the whole punching blade height adjusting groove and the digging-in depth up to the groove bottom surface of the half-cut blade height adjusting groove are adjusted so that the half-cut blade executes a half-cut up to the partial depth of the sheet-like base material.</p> |
