我厂现用 Z94—4、Z94—1等型号的制钉机生产各种规格的圆钉。在生产过程中,发现钉杆上有深浅不同的刀痕和刮伤的痕迹,尤其是2.5～3.5”圆钉钉杆极为明显,严重影响产品的外观质量,对此,我们对圆钉送丝刀进行了改进。1.改造前图1所示,当采用活动刀与固定刀送 I plant now Z94-4, Z94-1 and other models of nail making machine production of a variety of round nails. In the process of production, it is found that the shank has different shades and scratches on the shank, especially the 2.5-3.5 "round shank is very obvious, seriously affecting the appearance quality of the product. In this regard, Knife has been improved .1 before transformation shown in Figure 1, when the use of movable knife and fixed knife to send