其制作方 法是：制作内轮芯，并将其放入专用模具中；

The preparing method is: preparing the inner wheel core and put it into the special mould;

youdao

本实用新型为一种生产三角皮带轮的专用模具，涉及一种模具。

The utility model is a special mold for producing a V-belt pulley, which relates to a mold.

youdao

冲挤花键孔的步骤可采用本发明所设计的专用模具在压床下完成。

The steps for punching and extruding the splined hole can be finished by a special die which is designed by the invention by a press.

youdao