Cartridge Units
This section introduces an overview of the series. Refer to the separate "Cartridge Unit / Micro Unit" catalog for details on Micro Units (holders, inserts, spare parts) and quill unit seat machining.
■ Features of Each Model Classification Standard Type
MINIT Type
ISO Type
Type
BU Type MINIT P24 Type MINIT N38 Type SP Type
CP Type
CE Type
PN Type
Positive type insert screw-lock type with good edge sharpness and chip control
Positive edge type for low-rigidity work
High rake edge type for non-ferrous metal machining
Economical type using common negative inserts
The most common type of cartridge units
Mini type with good edge sharpness and chip control
Compact type for multi- tooling configurations
Shape
Items
G
Clamp Mechanism Pin Lock
Screw-on Axial: No Radial: Yes
Pin Lock
Screw-on
Clamp-on
Clamp-on
Pin Lock
No (By using shims)
Adjustability
Yes
Yes
Yes
Yes
Yes
Rake Angle
Neg.
Pos.
Neg.
Pos.
Pos.
Pos.
Neg.
Usable Insert Relief Angle
0°
11°
0°
11°
11°
20°
0°
Cutting Edge Position Above Centre Above Centre Above Centre On Centre
On Centre
On Centre
On Centre
Min. Bore Dia. (mm)
ø24
ø24
ø38
ø30
ø30
ø30
ø38
■ Cartridge Unit Cat. No. (For Triangular Inserts) by Model / Tooling Type
( ) shows the min. bore diameter (mm).
Stock MINIT P24 Type R L
Stock MINIT N38 Type R L
Stock
Stock
Stock
Stock
Stock
SP Type
CP Type
CE Type
PN Type
Configuration BU Type
R L
R L
R L
R L
R L
MTGN3 R/L(38) STGP R/L-10CA(38) CTGP R/L10CA(38) CTGE R/L10CA(38)
PTGN R/L10CA(38) PTGN R/L12CA(50) PTGN R/L16CA(60) PTGN R/L20CA(70)
STGP R/L-12CA(50) CTGP R/L12CA(50) CTGE R/L12CA(50)
STGP R/L-16CA(60) CTGP R/L16CA(60)
0°
BU224 R/L(48) BU225 R/L(60)
STJP R/L-10CA(38) CTJP R/L10CA(38) STJP R/L-12CA(50) CTJP R/L12CA(50) STJP R/L-16CA(55) CTJP R/L16CA(55)
CTJE R/L10CA(38) CTJE R/L12CA(50)
MTJP22 R/L(24) MTJN3 R/L(38)
5° <3°>
< >: MINIT P24
BU252 R/L(24) MTFP22 R/L(24) MTFN3 R/L(38) STFP R/L- 8CA(30) CTFP R/L 8CA(30) CTFE R/L 8CA(30) PTFN R/L10CA(38) BU253 R/L(30) STFP R/L-10CA(38) CTFP R/L10CA(38) CTFE R/L10CA(38) PTFN R/L12CA(50) BU254 R/L(38) STFP R/L-12CA(50) CTFP R/L12CA(50) CTFE R/L12CA(50) PTFN R/L16CA(55) BU255 R/L(48) STFP R/L-16CA(55) CTFP R/L16CA(55) CTFE R/L16CA(55) PTFN R/L20CA(70) BU256 R/L(55) CTFP R/L20CA(70) CTFE R/L20CA(70)
0°
BU293 R/L(30) BU294 R/L(38) BU295 R/L(48)
MTUP22 R/L(24) MTUN3 R/L(38) STUP R/L-10CA(38) CTUP R/L10CA(38) CTUE R/L10CA(38)
5° <3°>
STUP R/L-12CA(50) CTUP R/L12CA(50) STUP R/L-16CA(55) CTUP R/L16CA(55)
CTUE R/L12CA(50)
< >: MINIT P24/N38
BU295ER/L(48)
5°
STTP R/L- 8CA(30) CTTP R/L 8CA(30)
CTTE R/L 8CA(30)
PTTN R/L10CA(38) PTTN R/L12CA(50) PTTN R/L16CA(60)
STTP R/L-10CA(38) CTTP R/L10CA(38) CTTE R/L10CA(38) STTP R/L-12CA(50) CTTP R/L12CA(50) CTTE R/L12CA(50)
30°
STTP R/L-16CA(60) CTTP R/L16CA(60)
CTTE R/L16CA(60)
STSP R/L-10CA(38) CTSP R/L10CA(38) STSP R/L-12CA(50) CTSP R/L12CA(50) STSP R/L-16CA(55) CTSP R/L16CA(55)
CTSE R/L 8CA(30) CTSE R/L10CA(38) CTSE R/L12CA(50) CTSE R/L16CA(55)
45°
STWP R/L- 8CA(30) CTWP R/L 8CA(30) CTWE R/L 8CA(30) STWP R/L-10CA(38) CTWP R/L10CA(38) CTWE R/L10CA(38) STWP R/L-12CA(50) CTWP R/L12CA(50) CTWE R/L12CA(50) STWP R/L-16CA(55) CTWP R/L16CA(55) CTWE R/L16CA(55)
MTWP22 R/L(24) MTWN3 R/L(38)
60°
*Inserts and wrenches are not included with Cartridge Units.
G21
Worldwide Warehouse Item
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