Общий каталог Tungaloy 2020 - 2021

Lead Point angle

Flute length

Overall length

Shank

Helix angle

Shank length

Thinning edge Thinning Web thickness Cutting edge Thinning Secondary relief Primary relief Margin Secondary relief Oil hole Chisel Primary relief

Heel Body clearance Chisel edge

Powe	r requirement		Tensile s	trength	Brinell	Material
		Workpiece material	2	2	hardness	constant
	Pc=KD2n(0647+1729f)×10-6		MPa(N/mm )	{Kgf/mm }	(HB)	(K)
	. . (kW)	Cast iron	210	21	177	1.00
Thrus	t force	Cast iron	280	28	198	1.39
	(N) Tc=570KDf 0.85	Cast iron Aluminium	350 250	35 25	224 100	1.88 1.01
		Low carbon steel (JIS S20C)	550	55	160	2.22
Torqu	e	Free cutting steel (JIS SUM32)	620	62	183	1.42
	Mc= KD2 (0.630+16.84f)	Manganese steel (JIS SMn438)	630	63	197	1.45
	(N·m) 100	Nickel chromium steel (JIS SNC236)	690	69	174	2.02
		4115 steel Cr0.5, Mo0.11, Mn0.8	630	63	167	1.62
Pc：	Power requirement (kW)	Chromium molybdenum steel(JIS SCM430)	770	77	229	2.10
Tc：	Thrust force (N)	Chromium molybdenum steel(JIS SCM440)	940	94	269	2.41
Mc：	Torque (N·m)	Nickel chromium molybdenum steel(JIS SNCM420)	750	75	212	2.12
D：	Drill diameter (mm)〔DC〕	Nickel chromium molybdenum steel(JIS SNCM625)	1,400	140	390	3.44
f：	Feed (mm/rev)	Chromium vanadium steel
n：	No. of revolutions (min-1)	Cr0.6, Mn0.6, V0.12	580	58	174	2.08
K：	Material constant....Refer to the Table at right	Cr0.8, Mn0.8, V0.1	800	80	255	2.22

〔〕The notation in the brackets is the one used in the catalog (ISO compliant)

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