2014-2015 Полный каталог инструмента Mitsubishi (Митсубиси) EN
для заказа - info@mitsubishitools.ru
ROTATING TOOLS
RECOMMENDED CUTTING CONDITIONS dc = DH - D1
a H ow to derive a locus of
y FOR HELICAL CUTTING the centre of the tool. Locus of the centre Desired hole Cutting edge
of the tool diameter diameter
a D epth of cut per pass. P = ) dc tan %°
*%° < 3°
ROTATING TOOLS a M in. machined hole diameter for helical cutting : 1.2D1
D1
Max. machined hole diameter for helical cutting : 1.8D1
dc P a F or chip discharge, please always apply air blow.
DH (When aluminium cutting, please use coolant.)
%° a W hen using G1 breaker (VP15TF), please reduce the feed rate by 20%.
) dc
Cutting &16, &17 &20, &21 &25, &26
Speed
Work Material Hardness Grade (m/min) Machining Max. Depth Feed DOC/pass Machining Max. Depth Feed DOC/pass Machining Max. Depth Feed DOC/pass
< 180HB VP15TF Diameter of Cut (mm/rev) (mm/pass) Diameter of Cut (mm/rev) (mm/pass) Diameter of Cut (mm/rev) (mm/pass)
P (mm) (mm) (mm) (mm) (mm) (mm)
Mild Steel
20 8 0.16 0.44 24 10 0.18 0.44 30 12.5 0.20 0.55
25 12 0.14 0.99 30
180 29 16 0.12 1.43 36 15 0.16 1.10 38 19 0.18 1.43
(150 220)
20 0.14 1.76 45 25 0.16 2.20
20 8 0.14 0.33 24 10 0.16 0.33 30 12.5 0.18 0.41
25 12 0.12 0.74 30
Carbon Steel 180 350HB VP15TF 160 29 16 0.10 1.07 36 15 0.14 0.82 38 19 0.16 1.07
Alloy Steel (120 200)
20 0.12 1.32 45 25 0.14 1.65
M < 270HB VP30RT 150 20 3 0.14 0.22 24 4 0.16 0.22 30 5 0.18 0.27
Stainless Steel 25 5 0.12 0.49 30 7 0.14 0.55 38 9 0.16 0.71
(VP15TF) (120 180) 29 8 0.10 0.71 36 10 0.12 0.88 45 12.5 0.14 1.10
K 20 10 0.16 0.55 24 14 0.18 0.55 30 18 0.20 0.69
Tensile Strength 180 17 0.16 1.37 38 21 0.18 1.78
Cast Iron < 450MPa VP15TF (150 220) 25 13 0.14 1.23 30 20 0.14 2.19 45 25 0.16 2.74
29 16 0.12 1.78 36
N 20 10 0.18 0.44 24 14 0.20 0.44 30 18 0.22 0.55
Aluminium
Alloy HTi10 500 25 13 0.16 0.99 30 17 0.18 1.10 38 21 0.20 1.43
(G1 Breaker) (200 800)
29 16 0.14 1.43 36 20 0.16 1.76 45 25 0.18 2.20
H 45 55HRC VP15TF 80 20 3 0.10 0.22 24 4 0.12 0.22 30 5 0.14 0.27
Hardened (50 120) 25 5 0.08 0.49 30 7 0.10 0.55 38 9 0.12 0.71
Steel 29 8 0.06 0.71 36 10 0.08 0.88 45 12.5 0.10 1.10
y FOR DRILLING AND PLUNGING
a Drilling a The recommended drilling depth is a Plunging a The feed for plunging is the
less than 0.5D1. Depth of Cut in same as the feed for drilling.
D1 the Radial Direction
a Use step feed when drilling (0.25 a No step feed necessary.
0.5mm) to ensure that the chips are Pick Feed
effectively broken. a Please refer to the following
table for the depth of cut at
a Use internal or external cooling to plunging operations.
ensure that the chip disposal is
sufficiently achieved. Depth of Cut in the Radial Direction < 0.4D1
a The chips generated can dispel in Pick Feed < 0.5D1
any direction, so ensure that
adequate safety precautions are
taken.
Cutting &16, &17 &20, &21 &25, & 26
Speed
Work Material Hardness Grade (m/min) Feed Step Feed Step Feed Step
(mm/rev) (mm) (mm/rev) (mm) (mm/rev) (mm)
P Mild Steel < 180HB VP15TF 180 0.035 0.2 0.045 0.3 0.05 0.3
(150 220) 0.03 0.2
Carbon Steel 180 350HB VP15TF 0.03 0.15 0.04 0.3 0.045 0.3
Alloy Steel 160 0.04 0.4
(120 200)
M Stainless Steel < 270HB VP30RT 0.04 0.25 0.045 0.25
(VP15TF) 150
(120 180)
K Cast Iron Tensile Strength VP15TF 0.05 0.5 0.06 0.5
< 450MPa 180
(150 220)
N Aluminium Alloy HTi10 500 0.04 0.2 0.05 0.3 0.06 0.3
(G1 Breaker) (200 800)
H Hardened Steel 45 55HRC VP15TF 80 0.02 0.15 0.03 0.25 0.035 0.25
(50 120)
(Note 1) Helical grooving is strongly recommended for machining tempered steel.
(Note 2) When using G1 breaker (VP15TF), please reduce the feed rate by 20%.
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