The common conjugate surface includes tooth surface of gear, working surface of solid CAM, helicoidal surfaces existing in spiral burr, worm, chip flute of cutters, and so on.
Something, such as the thread of a screw or the spiral condenser in a still, that resembles a worm in form or appearance.
状的物品某物，如螺旋线或蒸馏器的螺旋冷凝器，在构成或外表上像蠕虫。
3
The following conclusion is obtained. In the cases of straight gash, spiral gash, zero rake angle and positive rake angle, the hob worm profile from hob put into use to hob abandoned i…