2014-Полный каталог по сверлам EN
Для заказа - info@mitsubishitools.ru
BRA, BRS, BRM, BRK UWC UP 150°
Thinning
a BRA (l/d=3)
Work Material Hardness Drill Dia. & 8.0 & 13.0 Drill Dia. & 13.0 & 18.0 Drill Dia. >& 18.0
P Mild Steel < 180HB Cutting Speed Feed (mm/rev) Cutting Speed Feed (mm/rev) Cutting Speed Feed (mm/rev)
(m/min) (m/min) (m/min)
Carbon Steel 180 280HB
Alloy Steel 55 (40 65) 0.25 (0.20 0.30) 65 (50 75) 0.30 (0.25 0.35) 75 (60 85) 0.30 (0.25 0.35)
280 350HB
M Stainless Steel 50 (35 60) 0.25 (0.20 0.30) 60 (45 70) 0.30 (0.25 0.35) 70 (55 80) 0.30 (0.25 0.35)
K Cast Iron < 200HB
Tensile Strength 40 (30 50) 0.25 (0.20 0.30) 50 (40 60) 0.25 (0.20 0.30) 55 (45 65) 0.27 (0.20 0.30)
Ductile Cast Iron
S Heat Resistant Alloy < 350N/mm2 30 (20 40) 0.25 (0.20 0.27) 35 (25 45) 0.27 (0.20 0.30) 40 (30 50) 0.30 (0.25 0.35)
Tensile Strength
Titanium Alloy 60 (40 70) 0.30 (0.25 0.35) 70 (50 80) 0.35 (0.30 0.40) 80 (60 90) 0.40 (0.35 0.45)
< 450N/mm2
55 (40 65) 0.27 (0.20 0.30) 60 (45 70) 0.30 (0.25 0.35) 70 (55 80) 0.30 (0.25 0.35)
15 (10 20) 0.10 (0.05 0.12) 20 (15 25) 0.15 (0.10 0.20) 25 (20 30) 0.15 (0.10 0.20)
20 (10 25) 0.15 (0.10 0.17) 30 (20 35) 0.20 (0.15 0.25) 35 (30 40) 0.25 (0.20 0.30)
a BRS (l/d=3)
Drill Dia. & 14.0 & 20.0 Drill Dia. & 20.0 & 30.0
Work Material Hardness Cutting Speed Feed Cutting Speed Feed
P Mild Steel (m/min) (mm/rev) (m/min) (mm/rev)
< 180HB
Structural Steel Tensile Strength 65 (50 75) 0.3 (0.20 0.40) 70 (55 85) 0.35 (0.20 0.45)
400 500N/mm2
Carbon Steel Tensile Strength 80 (70 90) 0.30 (0.25 0.35) 80 (70 90) 0.35 (0.30 0.45)
Alloy Steel 490 610N/mm2
DRILLING BRA, BRS, BRM, BRK DRILLS Tensile Strength 70 (60 80) 0.25 (0.20 0.30) 70 (60 80) 0.30 (0.20 0.04)
570 720N/mm2
60 (50 70) 0.25 (0.20 0.30) 60 (50 70) 0.30 (0.20 0.35)
180 280HB
60 (45 70) 0.25 (0.1 0.35) 65 (45 80) 0.30 (0.15 0.35)
280 350HB
55 (40 65) 0.20 (0.15 0.35) 60 (45 70) 0.25 (0.15 0.35)
M Stainless Steel (Austenitic) < 200HB 70 (50 90) 0.30 (0.20 0.40) 80 (60 100) 0.3 (0.20 0.40)
K Cast Iron 75 (60 110) 0.30 (0.20 0.40)
Tensile Strength 75 (60 100) 0.30 (0.20 0.40) 80 (60 100) 0.35 (0.25 0.50)
Ductile Cast Iron < 350N/mm2 70 (55 90) 0.25 (0.15 0.35)
80 (60 100) 0.35 (0.20 0.45)
Tensile Strength
< 450N/mm2 75 (55 90) 0.30 (0.15 0.40)
Tensile Strength
500 800N/mm2
a BRM (l/d=5)
Drill Dia. & 14.0 & 20.0 Drill Dia. & 20.0 & 30.0
Work Material Hardness Cutting Speed Feed Cutting Speed Feed
P Mild Steel (m/min) (mm/rev) (m/min) (mm/rev)
< 180HB
Structural Steel 65 (50 75) 0.30 (0.20 0.40) 70 (55 85) 0.35 (0.20 0.45)
Tensile Strength
Carbon Steel 400 500N/mm2 70 (60 80) 0.30 (0.25 0.35) 70 (60 80) 0.35 (0.30 0.45)
Alloy Steel Tensile Strength
490 610N/mm2 60 (50 70) 0.25 (0.20 0.30) 60 (50 70) 0.30 (0.20 0.40)
Tensile Strength
CUTTING 570 720N/mm2 50 (40 60) 0.25 (0.20 0.30) 50 (40 60) 0.30 (0.20 0.35)
DATA
180 280HB 60 (45 70) 0.25 (0.15 0.35) 65 (45 80) 0.30 (0.15 0.40)
280 350HB 55 (40 65) 0.20 (0.15 0.35) 60 (45 70) 0.25 (0.15 0.35)
M Stainless Steel (Austenitic) < 200HB 60 (50 80) 0.25 (0.15 0.35) 65 (50 80) 0.30 (0.20 0.40)
K Cast Iron 65 (50 100) 0.30 (0.20 0.40)
Tensile Strength 65 (50 90) 0.30 (0.20 0.40) 70 (50 100) 0.35 (0.25 0.50)
Ductile Cast Iron < 350N/mm2 60 (45 80) 0.25 (0.15 0.35)
70 (50 90) 0.35 (0.20 0.45)
Tensile Strength
< 450N/mm2 65 (45 80) 0.30 (0.15 0.40)
Tensile Strength
500 800N/mm2
a BRK (l/d=7)
Drill Dia. & 14.0 & 16.0 Drill Dia. & 16.0 & 20.0 Drill Dia. & 20.0 &30.0
Work Material Hardness Cutting Speed Feed Cutting Speed Feed Cutting Speed Feed
P Mild Steel < 180HB (m/min) (mm/rev) (m/min) (mm/rev) (m/min) (mm/rev)
60 (40 75) 0.25 (0.15 0.30) 65 (40 80) 0.30 (0.20 0.35) 70 (50 85) 0.30 (0.20 0.35)
Carbon Steel 180 280HB 55 (40 65) 0.25 (0.15 0.30) 60 (45 70) 0.30 (0.20 0.35) 65 (50 75) 0.30 (0.20 0.35)
Alloy Steel 280 350HB 45 (30 55) 0.20 (0.10 0.25) 50 (35 60) 0.25 (0.15 0.30) 55 (40 65) 0.25 (0.15 0.30)
High Alloy Steel 200 280HB 40 (30 50) 0.20 (0.10 0.25) 45 (35 55) 0.25 (0.15 0.30) 50 (40 60) 0.25 (0.15 0.30)
K Cast Iron 60 (50 70) 0.30 (0.20 0.35) 60 (50 80) 0.35 (0.25 0.40) 70 (60 90) 0.35 (0.25 0.40)
Tensile Strength 45 (30 60) 0.25 (0.15 0.30) 50 (35 60) 0.30 (0.20 0.35) 55 (40 65) 0.35 (0.20 0.35)
Ductile Cast Iron < 350N/mm2
Tensile Strength
< 450N/mm2
(Note 1) The above conditions are for general cutting. The cutting conditions need to be modified depending on power, rigidity of the machine and workpiece shape.
(Note 2) Decrease the feed rate by 60% of the value above, until the full drill diameter is 3 to 5mm into the workpiece.
D184 a : Stock Standard info@mitsubishitools.ru
s : Stock Standard in Japan. www.mitsubishitools.ru
r : Non stock, produced to order only