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Cutting Recommendations for the HELIQUAD-12 Complete Line

The table below defines initial feed rates
For initial cutting speeds, refer to ISCAR’s recommendations for carbide grades Calculating cutting feed rate: ƒz=ƒz0×Kef×Ks where fz0 - Basic feed (Table 1), Kef - Engagement factor ( Table 2), Ks - Stability factor (Table 3) Table 1 - Basic feed, ƒz0, mm/tooth

ISO Material	Condition	Tensile Strength [N/mm2]	Hardness HB	Material No.(1)	SDMT 1205… PDR…-MM	SDMT 1205PDR- HQ-M	ƒz0 for Insr SDMT 1205PDN- RM-M	t SIze/Geo SDMT 1205PDR- HQ-HS	metry SDMR 1205… HQ-M	QDMT 1205… PDTN-M	QDCT 1205… PDN/-F
< 0.25 %C	Annealed	420	125	1
Non-alloy steel >= 0.25 %C	Annealed	650	190	2
and cast steel, free < 0.55 %C	Quenched and tempered	850	250	3	0.2	0.15	-	0.15	0.12	0.2	0.12
cutting >= 0.55 %C	Annealed	750	220	4
steel	Quenched and tempered	1000	300	5
P Low alloy steel	Annealed	600	200	6
and cast steel	Quenched and	930	275	7	0.2	0.15	-	0.15	0.10	0.2	0.10
(less than 5% of		1000	300	8
alloying elements)	tempered	1200	350	9
Hih alloed steel cast	Annealed	680	200	10
g y , steel, and tool steel	Quenched and tempered	1100	325	11	0.18	0.13	-	0.13	0.10	0.18	0.10
Stainless steel	Ferritic/ martensitic	680	200	12
and cast steel	Martensitic	820	240	13
M Stainless steel and cast steel	Austenitic	600	180	14	-	-	-	-	0.10	-	0.10
Grey cast iron (GG)	Ferritic/pearlitic Pearlitic		180 260	15 16
K Cast iron nodular	Ferritic		160	17	-	015	015	-	-	02	-
(GGG)	Pearlitic		250	18		.	.			.
	Ferritic		130	19
Malleable cast iron	Pearlitic		230	20
Aluminum	Not cureable		60	21
wrought alloys	Cured		100	22
	Not cureable		75	23
Aluminum	Cured		90	24
cast alloys >12% Si	High temperature		130	25
N >1% Pb	Free cutting		110	26	-	-	-	-	0.15	-	0.15
Copper	Brass		90	27
alloys	Electrolytic copper		100	28
Non metallic	Duroplastics, fiber plastics			29
	Hardrubber			30
Fe based	Annealed		200	31
High	Cured		280	32
temp. Ni C	Annealed		250	33					0.07		0.07
alloys or o	Cured		350	34
S based	Cast		320	35	-	-	-	-		-
	Pure	Rm = 400(2)		36
Titanium alloys	Alpha+beta	Rm =							0.09		0.09
	alloys cured	1050		37
Hardened steel	Hardened		55 HRC	38	0.07	-	-	-	-	0.07	-
H Chilled cast iron	Cast		400	40	007	-	-	-	-	007	-
Cast iron	Hardened		55 HRC	41	. 0.07	-	-	-	-	. 0.07	-

(1) in accordance with VDI3323 standard (2) Rm - ultimate tensile strength, MPa

Table 2 - Engagement Factor Kef Table 3 - Stability Factor Ks

ae/D	0.5…1	0.25 upto 0.5	less than 0.25
Ke	1	1.1	1.3

Stability	High	Moderate	Poor
Ks	1	0.9	0.7

a - Width of cut e D - cutting diameter

Каталог Iscar дисковые фрезы и фрезерные пластины 2022 - страница 229

Навигация

Cutting Recommendations for the HELIQUAD-12 Complete Line

Table 2 - Engagement Factor Kef Table 3 - Stability Factor Ks

Каталог Iscar дисковые фрезы и фрезерные пластины 2022 - страница 229

Навигация

Cutting Recommendations for the HELIQUAD-12 Complete Line

Table 2 - Engagement Factor Kef Table 3 - Stability Factor Ks

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