In machine parts, the parts with holes are usually called sleeve parts. The bushing shown in the figure below is a sleeve part.
Machining sleeve parts with drill bits
Machining sleeve parts with drill bit
If a bit is used to process a set of solid workpiece, the hole must be drilled first and then different machining methods must be selected according to the precision requirements of the hole. If want to process the hole of the workpiece in the drawing, its reasonable processing technology is: drilling→reaming→turning hole→reaming.
The solid blank shall be processed according to the ” sleeve processing diagram “
The solid blank shall be processed according to the ” sleeve processing diagram “, in which the hole can be processed by drilling method to meet the requirements. The usual tool for drilling holes is a twist drill.
