Каталог Dormer Pramet фрезерование 2021 - 2022

		BUILT–UP EDGE
		It has no influence.
(MT)CVD PVD	+ +	Any coating (decisive factor is anti-adhesion effect).
f	↑	The higher the feed rate the less probability of built-up edge creation.
v	↓↑	Change (generally increase) the cutting speed.
ap		It has no influence.
	↓↑	Use more positive geometry (built up edge is not created when the rake angle is more than 40°).
	-	Use a coolant with more effective anti-sticking properties (we do not recommend to use coolant for milling).

		FLANK WEAR
		Use a more wear resistant substrate (H).
(MT)CVD PVD	+ +	Any coating (decisive factor is hardness – TiC, TiCN).
f	↑	Increase feed (especially if it is under 0.1 mm).
v	↓	Decrease cutting speed.
ap		It has no influence.
	↑	Increase the clearance angle.
	+	It can help, but only with ideal working conditions.

		CRATERING
	↑	Use a more wear resistant substrate (S).
(MT)CVD PVD	+ +	CVD coating (decisive factor is oxidation resistance –aAl2O3).
f	↑	Feed has infuence on shape and position of crater.
v	↓	Decrease cutting speed.
ap	↓	Minimal effect.
	↑	Use more positive cutting geometry.
	+ +	It can help, but only with ideal working conditions.

Каталог Dormer Pramet фрезерование 2021 - 2022 - страница 778