The main difference between milling cutter and
Drill bit is that the side edge of milling cutter has a back angle, so it can be cut laterally. The side edge of drill bit has no back angle, so it can not be cut laterally, which is used for axial drilling.
Milling cutter: it is a rotary cutter with one or more cutter teeth for milling. During operation, each cutter tooth cuts off the allowance of the workpiece intermittently in turn. Milling cutter is mainly used for machining plane, step, groove, forming surface and cutting workpiece on milling machine. In order to ensure that a sufficiently high average chip thickness / feed per tooth is used, the number of milling cutter teeth suitable for the process must be correctly determined.
Generally, it can be divided into:
1. Flat end milling cutter, rough milling, removing a large number of blanks, small area horizontal plane or contour finish milling.
2. Ball end milling cutter for semi finish milling and finish milling of curved surface; Small ball end milling cutter can finish milling steep surface / small chamfer of straight wall and irregular contour surface.
3. The flat end milling cutter has chamfer, which can be used for rough milling to remove a large number of blanks, and can also be used for fine milling of small chamfer of fine flat surface (relative to steep surface).
4. Forming milling cutter, including chamfering cutter, T-shaped milling cutter or drum cutter, tooth cutter and internal R cutter.
5. Chamfering cutter: the shape of chamfering cutter is the same as that of chamfering, which is divided into milling cutter for round chamfering and milling cutter for oblique chamfering.
6. T-shaped cutter can mill T-shaped groove.
7. Tooth profile cutter, milling out various tooth profiles, such as gears.
8. Rough leather cutter is a rough milling cutter designed for cutting aluminum copper alloy, which can be processed quickly.
