济南打孔钻孔怎么选钻头

济南打孔钻孔怎么选钻头

Jinan drilling drilling bit how

钻头是打孔孔用的必需工具，常用高速钢制作。一般钻头由柄部、颈部及作业有些构成。济南打孔钻孔怎么挑选钻头呢?教大家一些方法：

Bit is punched hole with the necessary tools, common high speed steel production. General bit consists of petiole, neck and work some. Jinan punching hole how to choose bit? Here are some teaching methods:

打孔用的夹具主要包括钻头夹具和工件夹具两种。

Punch with the fixture includes two kinds of drill jigs and workpiece fixture.

⒈钻头夹具：常用的是钻夹头和钻套。

___________ drill clamp: commonly used is the drill chuck and drill sets.

⑴钻夹头：适用于装夹直柄钻头。钻夹头柄部是圆锥面，可与钻床主轴内孔合作装置;头部三个爪可通过 ;紧固扳手滚动使其同时张开或合拢。

(1) drill chuck: suitable for clamping straight shank drill. Drill chuck handle is conical surface, can cooperate with drilling machine spindle hole device; The head three feet by; Tighten wrench rolling at the same time open or closed.

⑵钻套：又称过渡套筒，用于装夹锥柄钻头。钻套一端孔装置钻头，另一端外锥面接钻床主轴内锥孔。

2 drill bush: also called transition sleeve, used for clamping the taper shank drill. Drill bit set of side hole device, the other end of the cone by drilling spindle taper hole.

⒉工件夹具：常用的夹具有台虎钳、平口钳、V形铁和压板等。装夹工件要牢固牢靠，但又不准将工件夹得过紧而损伤过紧，或使工件变形影响钻孔质量。

This workpiece fixture: common table vice, plain vice, v-shaped iron and clamp, etc. The clamping workpiece is strong, but not the workpiece clamp too tight and tight, or make the workpiece deformation affect drilling quality.

济南打孔钻孔：