Cemented Carbide Milling Cutter Direction

Cemented carbide milling direction when Climb milling is generally divided into two kinds, and milling. Climb, also known as co-milling, milling, also called reverse milling. When cemented carbide cutter during climb milling, feed direction of the workpiece and the cutting cemented carbide cutter rotation direction of the same region. Chip thickness will be gradually reduced from the beginning until the end of the incision during milling around the full length of zero; when cemented carbide cutter during milling, feed milling direction and the direction of rotation of the workpiece opposite the cutting area . Chip thickness begin to zero, and then gradually increase as the cutting process. During milling, cutting cemented carbide cutter blades start from zero at the chip thickness, which will produce a high cutting forces, thus promoting cemented carbide cutter and workpiece away from each other.

Face Milling Cutter Applications

Results: The usual practice is to cemented carbide milling on the front on the cutting edge machining plane (plat land), cemented carbide milling clamping on the machine, to be processed very difficult to 0.01mm below. However, if the use of micro cemented carbide milling, grinding, assembly as long as the cemented carbide milling Vice behind unflatness will be absorbed, the cemented carbide milling 's cutting edge will form an ideal arrangement, thereby enhancing hard the accuracy of the machined surface of cemented carbide milling cutter. And the assembly is relatively simple, can significantly improve the efficiency of the cemented carbide milling.

Summary: In order to improve the accuracy of the machining surface, in the front processing plane is the general practice, but because of the assembly with the bad unevenness and tilt occur during grinding can not be guaranteed to be able to achieve the accuracy requirements. Fillet micro cemented carbide milling use front-end, will be able to improve the machining accuracy.

Cemented Carbide Milling Processing Abnormal &Solutions

The cemented carbide milling is a rotary tool for milling, having one or more cutter teeth. Various cemented carbide milling cutter turn work intermittently cut the workpiece margin. Cemented carbide milling is mainly used in the milling machine the machining plane stairs, trench, forming surface and cut the workpiece.

Cemented carbide milling cutter abnormal causes and countermeasures

Situation	Reasons	Solution
Chipping	Large feed	Reduce feed
	Conventional milling (up cutting)	Climb milling (down cutting)
	Cemented Carbide Milling cutting edge is too sharp	The grinding cutting edge - necessary chamfer or fillet
	Vibration	Downward adjustment of spindle speed
	Cemented Carbide Milling cutter prominent too long	Projecting amount of the tool is adjusted to the minimum
	Milling cutter is not firmly clamped	Adjust the fixture accuracy
Wear	Cemented Carbide Milling cutting speed is too high	Reduce the cutting speed
	Feed amount is too small	Increase feed amount
	Conventional milling (up cutting)	Climb milling (down cutting)
	Material hardness is too high	Select special coating milling cutter

Cemented Carbide Milling Applications

Milling direction

During the milling process, the workpiece can be along or relative to the tool rotation direction feed, this will affect the cutting start and completion characteristics.

During climb milling (also called milling in the same direction), the workpiece is the same as the feed direction of the cutting zone of cemented carbide milling rotating direction. Chip thickness is gradually decreased from the start until the end of the incision is zero full length performing vicinity milling; performing inverse milling (also known as reverse milling), the workpiece feeding direction with the cutting zone, cutter rotation the opposite direction. The chip thickness is zero, and then gradually increases as the cutting process.

During conventional milling, cemented carbide milling blade to start from zero at the chip thickness cutting, which will produce high cutting forces, thus promoting the Cemented Carbide Milling and workpiece away from each other. Cemented Carbide Milling blade is forced into the incision, it is usually in contact with the hardened surface caused by the blade being cutting, both in the role of friction and high temperature cause friction and polishing effect. The cutting force is also easier to lift the workpiece from the work bench.

During climb milling, Cemented Carbide Milling blades begin cutting from the maximum chip thickness. This will reduce heat and weaken the hardened trend the lotus to avoid polishing effect. Application largest chip thickness is very favorable, and cutting force easier workpiece push Cemented Carbide Milling, Cemented Carbide Milling blade cutting action.

How to prevent cemented carbide milling wear?

(l) A reasonable choice the cemented carbide milling cutter blade grades: high toughness, resistance to thermal cracking susceptibility is small and has good heat resistance and wear resistance of the blade material should be used. Example: milling steel, YS30, YS25 grade blade can be used; optional milling cast iron the YD15 grades blade prevent milling cutter wear.

(2) Rational selection of milling parameters: in a certain processing conditions, there is a does not produce the breakage of the safety of the working area, as shown. Select can guarantee the cemented carbide milling cutter working properly to prevent the milling cutter wear the Vc and ƒz safe operating area.

(3) The relative position between the workpiece and cemented carbide milling cutter a reasonable choice: choose the installation location of the face milling cutter wear plays an important role in reducing the face milling.