细长螺杆套扣时,由于长径比较大,易产生挠度。用普通板牙架套扣,由于板牙架手柄仅单边支撑,受力不匀,会造成螺杆弯曲和丝扣偏斜,使零件质量不良。为了消除上述缺陷,一般皆用专用套扣夹具进行套扣,这种夹具可适用于几种不同规格的板牙,使用起来很方便。但出于此类夹具上 Slender screw sleeve buckle, due to the larger diameter ratio, easy to produce deflection. With ordinary die-holder sets of clasp, because the only one-sided support flapper holder, uneven force, will cause the screw bending and threaded skew, the poor quality of the parts. In order to eliminate the above defects, generally with a special set of buckle clip buckle, this fixture can be applied to several different specifications of the die, easy to use. But for such fixtures