
Other applications Grooving end mill for M/C
MGI
IN
IN
DM
DM
DCONh7
DCONh7
WF
WF
CDX
CDX
CW CW
LU LU
LF LF
Fig. 1 Fig. 2
Toolholder dimensions
Availa- Spare parts
Dimension (mm)
bility Clamp set Screw Wrench (Torx) Wrench (hex.)
Coolant hole
Applicable
Description
Fig.
CW CW inserts
R DMIN DCON LF LU CDX WF
min. max.
MGI 1420-1SS N 14 20 100 20 2.2 1 3 6.8 No 1 - - SB-4065TR FT-15 - GVR...-020SS
MGI 1620-1S N 16 20 110 25 2.2 1 3.4 7.8 No 1 - - SB-4085TR FT-15 - GVR...-020S
GVR...-020A
M
MGI 2020-1A N 20 20 110 30 2.2 1 3.4 9.8 No 2 CPS-5F - - FT-15 -
GVR...-...AR
GVR...-020B
MGI 2220-1B N 22 20 110 30 2.8 1.45 4 11 No 2 CPS-5F - - FT-15 -
GVR...-...BR
5.5
Milling
MGI 3225-1C N 32 25 120 35 2.8 4 16 No 2 - CPS-6F - - LW-3 GVR...-020C
(4.5)
CDX shows available grooving depth.
GVR280-020C, GVR300-020C is available to the groove depth up to 4.5 mm.
GVR430 ~ 500-020C can be installed to MGI3225-1C , but not recommended for steel machining because of toolholder‘s rigidity.
Grooving end mill MGI
Recommended cutting conditions
Grooving end mill MGI Recommended insert grades (Vc: m/min)
MEGA PVD
Cermet Carbide
COAT Coated carbide
Workpiece material fz (mm/t)
TN90 TC40 TC60 PR1225 PR930 KW10
Carbon steel 0.05~0.15 ★ ✩ ✩ ★ ✩ -
120~200 120~200 100~180 80~150 80~150
Alloy steel 0.05~0.15 ★ ✩ ✩ ★ ✩ -
120~200 120~200 100~180 80~150 80~150
Mold steel 0.03~0.12 ★ ✩ ✩ ★ ✩ -
100~180 100~180 80~150 60~130 60~130
Stainless steel 0.03~0.12 ✩ ✩ ★ ★ ✩ -
100~180 100~180 80~150 60~130 60~130
Cast iron 0.05~0.2 ★ ✩ - - - ★
100~150 100~150 80~150
Non-ferrous metals 0.05~0.2 - - - - - ★
100~300
Use down-cut machining.
★: 1st Recommendation ✩: 2nd Recommendation
N : Standard item R : Right hand only L : Left hand only U : Check availability
M217
MVG