data sheet 1686

cutting rates

Main group	Subgroup	Hardness <=	SFM [ft/min]	VRC
Steel materials	Common structural steels	500 N/mm²	607	75 - 76
	Common structural steels	1000 N/mm²	607	75 - 76
	Free-cutting steels	850 N/mm²	607	75 - 76
	Free-cutting steels	1000 N/mm²	607	75 - 76
	Unalloyed heat-treatable steels	700 N/mm²	607	75 - 76
		850 N/mm²	607	75 - 76
		1000 N/mm²	607	75 - 76
	Alloyed heat-treatable steels	1000 N/mm²	607	75 - 76
	Alloyed heat-treatable steels	1400 N/mm²	607	75 - 76
	Unalloyed case hardened steels	850 N/mm²	607	75 - 76
	Alloyed case hardened steels	1000 N/mm²	607	75 - 76
	Alloyed case hardened steels	1400 N/mm²	607	75 - 76
	Nitriding steels	1000 N/mm²	607	75 - 76
	Nitriding steels	1400 N/mm²	607	75 - 76
	Tool steels	850 N/mm²	607	75 - 76
	Tool steels	1400 N/mm²	607	75 - 76
	High speed steels	1400 N/mm²	295	75 - 76
	Spring steels	350 HB	148	73 - 74
	Stainless steels, sulphured	900 N/mm²	295	74 - 75
	Stainless steels,austenitic	1100 N/mm²	197	74 - 75
	Stainless steels,martensitic	1200 N/mm²	295	74 - 75
	Hardened steels	48 HRC	164	73 - 74
	Hardened steels	65 HRC	148	73 - 74
Cast materials	Cast iron	240 HB	328	75 - 76
	Cast iron	350 HB	328	75 - 76
	Spheroidal graphite iron and malleable cast iron	240 HB	607	75 - 76
	Spheroidal graphite iron and malleable cast iron	350 HB	295	75 - 76
	Chilled cast iron	350 HB	131	74 - 75
Copper, bronze, brass	Brass, short-chipping	600 N/mm²	574	75 - 76
	Bronze, short-chipping	600 N/mm²	574	75 - 76
	Bronze, short-chipping	850 N/mm²	574	75 - 76
Magnesium-alloys	Magnesium alloys	450 N/mm²	394	75 - 76
Titanium and Titanium alloys	Ti and Ti-alloys	850 N/mm²	197	74 - 75
Titanium and Titanium alloys	Ti and Ti-alloys	1400 N/mm²	197	74 - 75
Plastics	Duroplastics	150 N/mm²	459	75 - 76
Plastics	Thermoplastics	100 N/mm²	459	75 - 76
Materials for special applications	Special alloys	1600 N/mm²	164	74 - 75

Feed

f_{u [in]}	VRC
d1[in] <=	73	74	75	76
0.124	0.0049	0.0118	0.0197	0.0315
0.1575	0.0063	0.0118	0.0197	0.0394
0.1969	0.0063	0.0157	0.0236	0.0394
0.248	0.0079	0.0157	0.0276	0.0472
0.315	0.0098	0.0236	0.0394	0.0709
0.3937	0.0124	0.0236	0.0472	0.0709
0.4921	0.0124	0.0315	0.0472	0.0787
0.6299	0.0157	0.0315	0.0551	0.0866
0.7874	0.0197	0.0315	0.0551	0.0866

Master data

Description	Carbide high performance reamers
Standard	Guhring standard
Surface finish
Cutting direction	right hand
Tool material	Carbide
on shank	DIN 6535-HA
Coolant	axial
Hole type	through hole
Type	HR 500 D
Tolerance zone	H7
Discount group	166

Dimensions

d1 [mm]	l1 [mm]	No. of flutes	Shank Ø d2 [mm]	Flute length [mm]	Cutting edge length l4 [mm]	Protruding length [mm]	d2 [mm]	incision length l6 [mm]
3.000	68	4	4	40	12	40	3	0.7
3.500	68	4	4	40	12	40	3.5	0.7
4.000	68	4	4	21	12	40	4	1
4.500	76	4	6	21	12	40	4.5	1
5.000	76	4	6	21	12	40	5	1
5.500	76	4	6	21	12	40	5.5	1
6.000	76	4	6	21	12	40	6	1
6.500	101	6	8	25	16	65	6.5	1
7.000	101	6	8	25	16	65	7	1.4
7.500	101	6	8	25	16	65	7.5	1.4
8.000	101	6	8	25	16	65	8	1.4
8.500	101	6	10	33	19	61	8.5	1.4
9.000	101	6	10	33	19	61	9	1.4
9.500	101	6	10	33	19	61	9.5	1.4
10.000	101	6	10	33	19	61	10	1.4
10.500	130	6	12	34	19	85	10.5	1.4
11.000	130	6	12	34	19	85	11	1.8
11.500	130	6	12	34	19	85	11.5	1.8
12.000	130	6	12	34	19	85	12	1.8
13.000	130	6	14	39	22	85	13	1.8
14.000	130	6	14	39	22	85	14	1.8
15.000	150	6	16	40	22	102	15	1.8
16.000	150	6	16	40	22	102	16	1.8
17.000	150	6	18	44	25	102	17	1.8
18.000	150	6	18	44	25	102	18	1.8
19.000	150	6	20	45	25	100	19	1.8
20.000	150	6	20	45	25	100	20	1.8