Sumitomo - Полный каталог инструмента - 2016 EN
для заказа - sumitomo@sumitomo-tools.ru
New CBN Small Diameter Ball Nose Endmills SUMIBORON ”MOULD
Finish Master” BNBP
Characteristics /Application
l High precision machining of hardened steels < HRC70 with
long tool life
l Super tough grade SUMIBORON BN350 prevents chipping
of the cutting edge
l R accuracy : ±0,005mm
Endmills
Cat. No. Stock Dimensions (mm)
BN350 R D L d1 d l 1 l2
6,0 mm (Shank Diam.) 4,0 mm (Shank Diam.) BNBP 2 R020-012 4 l 0,2 0,4 50 0,37 4 0,3 1,2
BNBP 2 R030-015 4 l 0,3 0,6 50 0,57 4 0,4 1,5
BNBP 2 R050-025 4 l 0,5 1,0 50 0,97 4 0,6 2,5
BNBP 2 R075-040 4 l 0,75 1,5 50 1,47 4 0,9 4,0
BNBP 2 R100-055 4 l 1,0 2,0 50 1,97 4 1,4 5,5
h Endmill BNBP 2 R020-012 6 l 0,2 0,4 50 0,37 6 0,3 1,2
Identification
BNBP 2 R020- 012 4 BNBP 2 R030-015 6 l 0,3 0,6 50 0,57 6 0,4 1,5
Shank Diam. BNBP 2 R050-025 6 l 0,5 1,0 50 0,97 6 0,6 2,5
Number of teeth Neck length (l2) BNBP 2 R075-040 6 l 0,75 1,5 50 1,47 6 0,9 4,0
Radius of ball nose BNBP 2 R100-055 6 l 1,0 2,0 50 1,97 6 1,4 5,5
Performance
Wear Resistance Machined Surface High Speed Machining
Cutting Length: 100m MOULD FINISHMASTER --
0,025
0,020Width of Flank Wear (mm) Width of Flank Wear (mm) 0,04 -- Coated carbide Uncoated
0,015 0,03 -- endmill Endmills
0,010 0,02 --
0,005 0,01 -- Tool life difference
10 times
MOULD FINISHMASTER
0 MOULD Competitor’s Surface blemish l l l l
FINISH CBN Competitor’s CBN endmill 0
50 100 150 200
MASTER endmill Cutting Length (m)
R1,0 Ball endmill, Work material: X155CrVMo12-1 (HRC60) R1,0 Ball endmill, Work material: X155CrVMo12-1 (HRC60)
Cutting data: n = 20.000 rpm, ft = 0,05 mm/tooth (vf = 2.000mm/min) Cutting data: n = 40.000 rpm, ft = 0,05 mm/tooth (vf = 4.000mm/min)
doc = 0,05 mm, woc = 0,05 mm, Air blast doc = 0,05 mm, woc = 0,05 mm, Oil mist
Excellent surface finish compared with competitor’s CBN and coated carbide endmills
Recommended Cutting Conditions
Spindle revolutions: n (rpm), Feed rate per tooth: ft (mm/tooth), Depth of cut: doc (mm), Wide of cut: woc (mm)
Material Pre-hardened steel, Die steel Die steel High speed tool steel
Cutting data ( ~ HRC52) ( ~ HRC62) ( ~ HRC70)
Radius
(mm) n ft doc Woc n ft doc Woc n ft doc Woc
(rpm) (mm/tooth) (mm) (mm) (rpm) (mm/tooth) (mm) (mm) (rpm) (mm/tooth) (mm) (mm)
0,01 0,02 0,01 0,02
R 0,2 20.000 ~ 50.000 0,02 0,03 003 20.000 ~ 50.000 0,02 0,01 0,02 20.000 ~ 50.000 0,015 0,01 0,02
0,03 0,04 0,02 0,03
R 0,3 20.000 ~ 50.000 0,02 0,03 0,03 20.000 ~ 50.000 0,02 0,05 0,05 20.000 ~ 50.000 0,015 0,02 0,05
0,05 0,05 0,03 0,05
R 0,5 20.000 ~ 50.000 0,03 0,05 0,05 20.000 ~ 50.000 0,03 20.000 ~ 50.000 0,02
R 0,75 20.000 ~ 50.000 0,04 0,08 0,1 20.000 ~ 50.000 0,04 20.000 ~ 50.000 0,03
R 1,0 20.000 ~ 50.000 0,05 0,1 0,1 17.000 ~ 50.000 0,05 17.000 ~ 50.000 0,03
Important Notes doc
(1) For stable machining, a more rigid machine is recommended. Woc
(2) Air blast or oil mist coolant is recommended.
(3) Shorten overhang as much as possible.
www.sumitomo-tools.ru J49
для заказа - sumitomo@sumitomo-tools.ru