W-KNOCKOUT FORMING SHAPE FORMING UP FORMING DOWN กรณีศึกษาเครื่องมือการขึ้นรูปอื่นๆ HALF PIEACING HALF PIERCING (ADJUST FREE) FLAT LOCATER DIMPLE CHAMFERING CHAMFERING (BOTH SIDE) COUNTER SINK EMBOSS EXTRUSION WITH CHAMFER THREAD FORM (ONE PITCH BR) EXTRUSION FOR TAPPING EXTRUSION CURLING EMBOSS EMBOSS WITH EXTRUDE CENTERPOINT KNOCKOUT W-KNOCKOUT FLATTENING LANCE (BRIDGE) LANCE (Z-BENDING) LANCE (L-BENDING) LANCE LOUVER BEADING LINER JOINT CARD GUIDE OFF - SET LINE - MARKING EMBOSS - MARKING EMBOSS (PROJECTION WELDING) HINGE TOOL คู่มือทางเทคนิคอื่นๆ