This paper mainly discusses subjects such asprocessing,technology of pole coil wind ing,forming,manufacturing lead,punching,dove-tail groove,insulating,heat pr essing,encircling slot,etc.
Compared with the conventional presplitting methods, the shaped charge is obviously more effective in presplitting blasting and especially useful in controlling the presplitting slots.
Fitting is used for autobicycle start electrical machiney, Car forced convection air heater, Electric tool electrical machiney waits for miniature electrical machiney rotor slot insert empire paper.
Each frame to doors fitted with a mortice lock is to be slotted for bolt, correctly positioned and to have a mortice cap welded on at back of perforation.