Tooling News No.543

Low Resistance Tangential Insert Slotting Cutter

SEC-Sumi Dual MillTGC seriesSide cutter with excellent
cutting edge sharpness
realizes low resistance andlow vibration milling-Cornered

Ground Type Insert* Product depicted is an image only.

SEC-Sumi Dual MillTGC series

 Features
D Side Cutter Suitable For A Variety Of Applications
Made-to-order bodies possible with cutting width of 17mm and up
Suitable for various applications such as groove milling andshoulder milling
D Realises Low Resistance and Low Vibration Milling
Design emphasizes cutting edge sharpness with +10°
inclination angle
Excellent cutting edge sharpness suppresses chatter toenable stable machining
D Excellent Machined Surface Quality
Proprietary insert array design minimizes joint steps at thegroove bottom for excellent machining quality
D Neutral-handed 4-cornered Insert
Easy management with neutral-handed insert design thateliminates the need to align right-hand and left-hand inserts

 Product Range (Body)
Body: Made-to-order (custom design)

Multi-stepped designCWCW

Standard design

Width of Cut CW (mm)2222.8
23.7
24.6
Over 24.6
Standard design
Multi-stepped designStandard design
Multi-stepped design
Multi-stepped designStandard design
Multi-stepped designStandard designStandard design
Multi-stepped design

Insert Cat. No.

17

TGCX130704PNEN-GTGCX130708PNEN-GTGCX130712PNEN-GTGCX130716PNEN-GTGCX130720PNEN-G

21Standard design CW upper limit value varies with insert.

 Product Range (Insert)
Cat. No.
TGCX1307SSPNEN-G

 Chipbreaker
Work Material P Steel, M stainless steel, K cast iron

0.4

Corner Radius RE (mm)
0.8
1.2
1.6

2.0

DDDDD

Applications

General-purpose to roughing

G TypeD mark: Standard stocked itemTGCX 13
ChipbreakerCuttingEdgeCross
Section18°

 Suitable for Various Applications
Groove Milling

Shoulder Milling

Back Spot Facing

Standard disc shape2

Width Setting

Double-Sided Machining

SEC-Sumi Dual MillTGC series

 Sharp Edge DesignGood

Excellent cuttingedge sharpness
D TGC Type

True Rake Angle ( °)10.0
Cutting Edge Sharpness

Design emphasizes cutting edge sharpness with +10° inclination angle.
Excellent cutting edge sharpness suppresses chatter to enable stablemachining.

8.06.0D

Competitor's Product C4.0
 Competitor's Product A2.0

Competitor's Product B

02.0

4.0
6.0
8.0
Inclination Angle ( °)Cutting Edge Sharpness

Inclination Angle

10.0
GoodTrue Rake Angle

 Cutting Performance
D Low Cutting Force
6,000

 Principal Force Feed ForceAt least 20% lesscutting force

Cutting Force (N)

8mm

19mm

Down Cut Total Force

4,000

2,000

0Machine: Vertical Machining Centre BT50, Work Material: S50C
Tool: TGC 13125W19Z12RS (ø125, Width of Cut 19mm, 12 teeth)
Insert: TGCX 130708PNEN-G (ACU2500)
Cutting Conditions: vc=200m/min fz=0.2mm/t ap=19mm ae=8mm

 Back ForceTGC Type

Competitor's
Product D

Competitor's
Product E

Excellent cutting edge sharpness eliminates
chatter to enable stable machining

Dry

D Low Vibration
TGC Type
Small Vibration

3mm

Cutting Force (N)

500

0-500

Principal ForceFeed ForceBack Force-1,00020mm

30mm-1,500150mm

5Machine: Vertical Machining Centre BT50, Work Material: FC250
Tool: TGC 13125W19Z12RS (ø125, Width of Cut 19mm, 12 teeth)

101520(s)Competitor's Product F

Insert: TGCX 130708PNEN-G (ACU2500)
Cutting Conditions: vc=200m/min fz=0.2mm/t ap=3mm ae=30mm
Down Cut Dry
Cutting Force (N)500

Suppresses chatter even whenmachining low-rigidity workpieces

Large Vibration

0-500

Principal ForceFeed ForceBack Force-1,000-1,50035101520(s)SEC-Sumi Dual MillTGC series

D Small Joint Steps At Groove Bottom
Proprietary insert array design minimizes joint steps at groove bottom for excellent visual quality

TGC Type

Competitor’s Product A

Competitor’s Product B

Less than 0.01mm step

Step 0.026mm

Step 0.024mm

8mm

19mm
Step measurementMachine: Vertical Machining Centre BT50, Work Material: S50C
Tool: TGC 13125W19Z12RS (ø125, Width of Cut 19mm, 12 teeth)
Insert: TGCX 130708PNEN-G (ACU2500)
Cutting Conditions: vc=200m/min fz=0.2mm/t ap=19mm ae=8mm
Down Cut Dry

Excellent visual quality* Results of in-house evaluation.

D Neutral-handed 4-cornered Insert
Easy management with neutral-handed insert design that eliminates the need to alignright-hand and left-hand inserts

L side: 2 corners

L sideR side: 2 corners

Front/backR sideTotal 4 corners

 Grade Features
WorkMaterial

Grade

Coating Layer Features

CoatingThickness(μm)

Features

3Utilises ABSOTECH™ coating
technology with excellent wear andchipping resistance.
Its carbide substrate, with excellent
fracture and wear resistance,
achieves stable and long tool life fora variety of work materials.

ACU2500

PVD
New Super Multi-Layered Structure

CoatingLayer

Stainless SteelCast Iron

Coated Carbide

Steel

Finishing to Light
Medium Cutting
Cutting

CarbideSubstrateP

Rough to Heavy
Cutting

ACU2500

PACU2500

PACU2500

The letter “P” at the end of each grade indicates the coating type.

5nm

Cross Section of
Cutting Edge Coating
TEM Image Grade Application Range (TGC Type)Work
Material

Higher hardness and twice the conventional
wear resistance due to a ﬁne crystal structure
AlTiCrBN-based nano-layered coating

P : PVD

4High Adhesion Strength
Signiﬁcantly improved coating adhesion has
more than twice the chipping resistance ofconventional coatings

SEC-Sumi Dual MillTGC series

 Application Examples
Carbon Steel S55C Cam Shaft
Horizontal NC Milling Machine

Acceleration (m/s2)

TGC Type
Stable machining enabled,
400
average amplitude reduced by 50%Small Vibration

2000-200-400

5Acceleration (m/s2)

Competitor's Product A
4002000ø260mm

101520(s)Large Vibration-200-400

5101520(s)Sumitomo
Competitor’s Product
TGCX130708PNEN Vertical Type 4 Corners
InsertGrade
ACU2500
Q
Chipbreaker
GQ
Cutter Dia./Width of Cut (mm) * 350 / * 48
350 / 48
Number of Teeth
2020vc (m/min)
170
170
vf (mm/min)
32
32fz (mm/t)
0.05
0.05ap(mm)4242ae(mm)20 to 40
20 to 40
Coolant
WetWetExcellent cutting edge sharpness drastically suppresses
Results vibration and machining noise.
Stable machining enabled without cutting edge fracture* Non-standard design productAlloy Steel SNCM Rotor Shaft
Horizontal Boring Machine BT50

Machining time reduced by 21% compared
to competitor's product (lay-ﬂat insert)
94 21% reduced

TGC Type
Competitor'sProduct B

119
050

100

Cutting Time (min/machine)

ø700mmInsertGradeChipbreaker
Cutter Dia./Width of Cut (mm)Number of Teethvc (m/min)
vf (mm/min)fz (mm/t)
ap(mm)ae(mm)
Coolant

Sumitomo* TGCX13-G
ACU2500G* 170 / 1810100 to 200up to 370up to 0.21815.5
Dry

Competitor’s ProductSingle-Sided, 2 Corners
QQ170 / 161070 to 200
up to 370
up to 0.2
1815.5
Dry

Improved cutting conditions reduce total machining time.
Results Tangential insert design with high cutting edge strength
eliminates cutting edge fracture.
* Non-standard design productCast Iron FC300 Machine Component
Horizontal Machining Centre BT50

Number of machining passes can be reduced
TGC Type

7.7 17% reduced(3 passes)

Competitor'sProduct C(4 passes)

9.2
05Cutting Time (min/machine)

10Tool life over 2 times longer without cutting edge fracture

80mm

m0m

80

TGC Type (2pcs output) Competitor's Product C (1pce output)

Sumitomo
Competitor’s Product
TGCX130708PNEN Vertical Type 4 Corners
InsertGradeACU2500
Q
Chipbreaker
GQ
Cutter Dia./Width of Cut (mm)125 / 20125 / 16
Number of Teeth
1010vc (m/min)
160160vf (mm/min)
300
300fz (mm/t)
0.15
0.15ap(mm)10 to 20
3 to 16ae(mm)10 to 25
up to 25
Coolant
Dry
Dry
Reduced machining passes shorten machining time.
Results Low machining noise and good machined surfacequality

Cast Iron FC300 Equivalent Cylinder Block
Horizontal Machining Centre HSK-A100

140mm

Vertical Orientation
Back: 2 corners

Horizontal Orientation
Front: 2 corners

30mm

Machining possible even with twice the number ofteeth than competitor’s products, inserts are arranged
both vertically and horizontally to use all 4 corners

InsertGrade
Chipbreaker
Cutter Dia. (mm)Number of Teethvc (m/min)
vf (mm/min)fz (mm/t)
ap(mm)ae(mm)
Coolant

Sumitomo
Competitor’s Product
TGCX130708PNEN Vertical Type 4 Corners
ACU2500
QGQ
* 136
136
126120120340
3400.10.255up to 35
up to 35
Remainder Wet Remainder Wet

Low clamp rigidity, enabling machining with twice
Results the number of teeth even in chatter-prone machining.
Efficiency can be even further improved* Non-standard design product

5SEC-Sumi Dual MillTGC 13000 type
RakeAngle

Radial -11.5° to -9.5°
10°
Axial

Steel

Stainless SteelCast Iron

17 to 24.6mm 90°
Fig1

OAL

TDC
DCSFMS

KWW

DCB
CW

Stock

 Body (Standard Disc Shape)
Cat. No.
MetricTGC 13100WSSZ10RS
13125WSSZ12RS
13160WSSZ14RS
13200WSSZ16RS

Dimensions (mm)Dia.

Boss Dia.

Width of CutDCDCSFMS

100125160
200475555
69

Boss Thickness

Bore Dia.

Keyway WidthPhaseCWOALDCBKWW

17 to 24.6
17 to 24.6
17 to 24.6
17 to 24.6

=CW
=CW=CW
=CW

32
40
40
50

8101012T (°)
162
165
167.14168.75

Total No. ofTeeth
10121416

Weight(kg)0.66 up1.29 up2.04 up3.33 up

Fig
1111

Basic speciﬁcations have two keyways. (Also available with only one) Inserts are sold separately.
The upper limit of width of cut CW is the value of inserts with corner radius RE0.4. For the width of cut CW upper limit values for each corner radius RE, see the Insert Cat. No. Table.
Disc shapes other than the standard type can be designed.

 Identiﬁcation Code Parts

TGC 13 125 W17 Z12 R S
SeriesInsert SizeDia.

Width of CutFlat Insert Screw

WrenchAnti-seizure Cream

Number of Feed Metric
Teeth
Direction BoreBFTX0412IP

3.0 TRDR15IP

 Insert

SUMI-P
Dimensions (mm)Cat. No.

TGCX 130704PNEN-G
130708PNEN-G
130712PNEN-G
130716PNEN-G
130720PNEN-G

DDDDDFig 1CornerRadius

RERE

Width of Cut
CW FigUpper Limit

0.4
0.8
1.2
1.6
2.0

24.6
23.7
22.8
22.0
21.0

11.6

ACU2500

Grade Classiﬁcation
Coated Carbide
High-speed/Light Cutting
Medium Cutting
ProcessRoughing

1111
1

12.7

7.2

 Recommended Cutting Conditions
Cutting Speed vc (m/min)Feed Rate fz (mm/t)
Min. - Optimum - Max. Min. - Optimum - Max.

ISO

Work Material

Hardness

Chipbreaker

PCarbon Steel180 to 280 HB

GAlloy Steel180 to 280 HBG

100 - 200 - 300
80 - 160 - 260

180 to 280 HBG250HBGStainless SteelM
K Cast Iron/Ductile Cast IronInsert
GradeACU2500

90 - 135 - 180

0.1 - 0.2 - 0.25
0.1 - 0.2 - 0.25
0.1 - 0.15 - 0.2

100 - 200 - 300

0.1 - 0.2 - 0.25

ACU2500

ACU2500
ACU2500

Note · The above ﬁgures are guidelines for simultaneous cutting with one R/L cutting ﬂute each, on a BT50 machine tool.

· The above recommended cutting conditions may require adjustment depending on machine rigidity and workpiece rigidity.

Recommended Tightening Torque (N·m) D mark: Standard stocked item Blank: Made-to-order item6

SEC-Sumi Dual MillTGC series

SEC-Sumi Dual Mill TGC Type Made-To-Order Request Sheet
Company Name/Contact

Select a cutter design and enter the dimensions in.

After completion, send the sheet to our nearest sales office or distributor.
Feel free to contact us for other shapes or dimensions or with other requests.

 Insert Series Conﬁguration

Width of Cut CW Size Reference Speciﬁcation
Dimensions (mm)Corner Radius RE

Cat. No.

0.4
D

TGCX 1307SSPNEN-G

0.8
D1.2
D1.6
DInsert Type

17 to 24.6mm

TGCX 132.0· The above width of cut CW upper limit value is the value with insert
corner radius RE0.4.
· For the width of cut CW upper limit values for each corner radius RE,
see the Insert Series Conﬁguration Table on the left.

DTGCX 13 Width of Cut CW Upper Limit Value 24.6 23.7 22.8 22.0 21.0
D mark: Standard stocked item

A multi-stepped design is required if thewidth of cut CW is wider than these upperlimit values.

Width of Cut CW

 Accessories
Flat Insert Screw[Made-to-Order Insert Support]
Corner radius (RE) = 0.4 to 2.0mm supported.
(Machined radius size may differ from the corner radius RE size of the mountedinserts)

Anti-seizure Cream

DiscOALDCB

DCSFMSDCSFMS

KWW

T

Effective No. of Teeth Desired:
Coolant Hole:Yes 9 No 9
Arbor Cat. No. Used:

DC9Wrench

KWW
RERE

CW

Basic speciﬁcations have two keyways. (Also available with only one)

With Boss

CBDP

Effective No. of Teeth Desired:
Coolant Hole: Yes 9 No 9
Arbor Cat. No. Used:
Feed Direction:
Right-handed 9
Left-handed 9KWW

DCSFMSDAH

DCB(Figure shows right-handed)

DC9KDP
RERECW

Designs for applications other than those listed above are possible, please consult us separately.

7LF

Sumitomo Electric Cutting Tools Official Apps for iOS/AndroidCutting calculation App

Grade & chipbreaker comparison App

Very hot or lengthy chips may be discharged while themachine is in operation. Therefore, machine guards, safety
goggles or other protective covers must be used. Fire safety
precautions must also be considered.

< SAFETY NOTES >Please handle with care as this product has sharp edges.
Improper cutting conditions or mis-handling of the tool may resultin breakages or projectiles. Therefore, please use the tool within its
recommended conditions.

When using non-water soluble cutting oil, precautions
against ﬁre must be taken and please ensure that a ﬁreextinguisher is placed near the machine.

Hardmetal Division
Global Marketing Department : 1-1-1, Koyakita, Itami, Hyogo 664-0016, Japan
https://www.sumitool.com/global(2022.9) I DN/AK