B665牛头刨床的送刀机构(图1)工作中容易出现送刀不均匀甚至不送刀的现象。其原因是掣爪的磨损太大,起不到拨动棘轮的作用,只能更换掣爪,维修起来比较麻烦。为此,我们对滚花手柄5、掣爪7进行了改进,当掣爪端部磨损起不到拨动棘轮的作用时,只要松开滚花手柄5上端的M8螺 B665 shaper delivery mechanism (Figure 1) work prone to send the knife is not even uneven phenomenon. The reason is that the pawl wear too much, can not play the role of dial ratchet, can only change pawl, repair more trouble. To this end, we have knurled handle 5, 7 improved pawl, when the pawl end wear and tear can not play the role of dial ratchet, just loosen the knurled knob 5 M8 top