The Characteristics of the Drill, the Basic Knowledge Content of the Sales Machine Tool

A drill is a machine tool that mainly uses a drill to machine holes in a work piece. Usually the drill rotates as the main motion, and the drill axial movement is the forward motion. Drilling machine structure is simple, relatively low processing accuracy, can drill through holes, blind holes, replacement of special tools, can be expanded, 锪 holes, reaming or tapping and other processing. Drills can be divided into the following types:

(1) Table drill: can be placed on the workbench, spindle vertical arrangement of small drill.

(2) Vertical drill: spindle box and work table placed on the column, spindle vertical arrangement of the drill.

(3) Rocker arm drill: rocker arm can swing around the column, lift, usually the spindle box can be on the rocker arm for horizontal movement of the drill. It is suitable for the processing of large parts and different position holes.

(4) Milling drill: the work table can be moved vertically and horizontally, the drill shaft vertical arrangement, can be milled drill.

(5) Deep hole drill: the use of special deep hole drill, work parts rotation, drilling deep hole drill.

(6) Flat end face center hole drilling: cutting shaft type end face and center hole drilling with center drilling.

(7) horizontal drill: spindle horizontal arrangement, spindle box can be moved vertically drill.