Low Cutting Force 90° Milling Cutter
with Double-sided 6-Edge Inserts

MFWN Mini

Low Cutting Force 90° Milling Cutter with Double-sided 6-Edge Inserts

MFWN Mini

NEWExcellent Performance and Durability in a Smaller, Economical Size
6 Usable Cutting Edges Lowers Machining Costs(Depth of cut ~ 5mm)
Additional Fine Pitch, Small Diameter Toolholders Available
Inherits MFWN Series' Unique Design Technology with Fracture-ResistantInserts and Low Cutting Forces

Cutter: ø 50 to ø 125

End Mill: ø 25 - ø 80

Low Cutting Force 90° Milling Cutter with Double-sided 6-Edge Inserts

MFWN Mini

Introducing Economical Small Diameter MFWN Series Milling Cutters
Additional Fine Pitch, Small Diameter Toolholders Available

1

MFWN Mini Uses Cost-Efficient 6-Edge Inserts

6-Edge, Double-Sided Insert

Smaller insert design technology maintains original MFWN cutting performance
Can be used up to 5mm D.O.C.

Smaller Insert Size
MFWN Mini
05 Size

Increased Versatility
MFWN
08 SizeNEW

D.O.C. ~ 5mmLarge small-diameter lineup
High-efficiency machining
with fine pitch styles
1 ~ 3 additional flutes

D.O.C . ~ 8m m

1

Expanded lineup ofsmaller diameters
Face Mill ø 50
End Mill ø 25 - ø 40NEW2Inherits Previous MFWN Series Design Elements with Fracture-Resistant Inserts and Low Cutting Forces
1Low Cu t t i ng Force andH i g h Chat teri ng - R es i s t ance

Steep rake angle minimizes cutting forces
Dynamic slant design reduces initial impact whenentering the workpiece

A.R. Max 11°

Dynamic slant design

Cutting force comparison (Internal evaluation)
1,200

Cutting force (N)

1,000
800
600
400
200
0MFWN
Mini

Competitor A Competitor B

Cutting conditions : Vc = 150 m/min, fz = 0.15 mm/t, ap x ae = 1.5 x 35 mm, Dry
Cutting Dia. ø63 Workpiece : SCM 440

2S u p eri or Frac t u re R es i s t ance withThi ck Ed g e D es i gn

Stable Clamping Strength with Unique Insert
Face Design

3Neu tral I n se r t s fo r Va ri o u s Use s
Cutting Edge Thickness: 5.2mm(3.1mm at the thinnest point)

Symmetrical side and bottom cutting edges provide awide range of machining applications

Optimized seating surface

Fracture resistance comparison (Internal evaluation)*Not recommended for fz = 0.4 mm/t and above

Can be used for plunging
applications

fz = 0.3 mm/t fz = 0.4 mm/t fz = 0.5 mm/t fz = 0.6 mm/t

Furthermachining
possible

MFWN
MiniaeCompetitor
A

Fracture

Competitor
B

Side Edge

Left-handed Toolholders are also
Available (Custom Order)

Fracture
02,0004,0006,000

Number of impacts (times)

Bottom Edge

Cutting conditions : Vc = 120 m/min, ap x ae = 1.5 x 30 mm, Dry
Cutting dia. ø63 Workpiece : Mold Steel 37 ~ 43 HRC23Comprehensive Insert Lineup for Various Machining Applications

Three insert chipbreakers and four grades available
Applicable Chipbreaker Range

D.O.C.
Up to 5mm

Steel Machining
Depth of cut ap (mm)General Use GM
5432GMGHSM

1Low Cutting Force SM

0Tough Edge GH

0.06

0.1

0.15

0.2

0.25

0.3fz (mm/t)

Steel, Cast Iron, Stainless Steel and Heat-Resistant Alloy for Machining

For hardened materials (60 HRC or less)

MEGACOAT NANO PR1510 / PR1525 / PR1535

MEGACOAT HARD PR015S (GH only)

Recommended Cutting Conditions Table

1st recommendation

Chipbreaker

Recommended Insert Grade (Cutting speed Vc: m/min)
Workpiece
Carbon Steel (S xx C)
Alloy Steel (Supply chain management (SCM), etc.)
Mold Steel (SKD, etc.)

fz (mm/t)

MEGACOAT NANO

0.1 – 0.2 – 0.25
0.1 – 0.15 – 0.2

Austenitic Stainless Steel (SUS 304, etc.)
GM

Martensitic Stainless Steel (SUS 403, etc.)

0.1 – 0.15 – 0.2

Precipitation Hardening Stainless Steel (SUS 630, etc.)

PR1535

PR1525

PR1510

PR015S

120 – 180 – 250

120 – 180 – 250——

100 – 160 – 220

100 – 160 – 220——

80 – 140 – 180

80 – 140 – 180——

100 – 160 – 200

100 – 160 – 200——

150 – 200 – 250

—

—

—

90 – 120 – 150

—

—

—
—

0.1 – 0.2 – 0.25——

120 – 180 – 250

Nodular Cast Iron (FCD)

0.1 – 0.15 – 0.2——

100 – 150 – 200—

Ni-Based Heat Resistant Alloy

0.1 – 0.12 – 0.16

20 – 30 – 50

—

—

—

120 – 180 – 250

120 – 180 – 250——

100 – 160 – 220

100 – 160 – 220——

80 – 140 – 180

80 – 140 – 180——

100 – 160 – 200

100 – 160 – 200——

150 – 200 – 250———

90 – 120 – 150

————

—

120 – 180 – 250——

Carbon Steel (S xx C)
Mold Steel (SKD, etc.)

0.06 – 0.12 – 0.2
0.06 – 0.08 – 0.15

Austenitic Stainless Steel (SUS 304, etc.)
Martensitic Stainless Steel

0.06 – 0.12 – 0.2

Precipitation Hardening Stainless Steel (SUS 630, etc.)
Gray Cast Iron (FC)0.06 – 0.12 – 0.2

Nodular Cast Iron (FCD)

0.06 – 0.08 – 0.15——

100 – 150 – 200

Ni-Based Heat Resistant Alloy

0.06 – 0.08 – 0.15

20 – 30 – 50———

Titanium Alloy (Ti -6 Al -4 V)

0.06 – 0.08 – 0.15

40 – 60 – 80—

40 – 60 – 80—

120 – 180 – 250

120 – 180 – 250——

100 – 160 – 220

120 – 160 – 220——

80 – 140 – 180

80 – 140 – 180——

100 – 160 – 200

100 – 160 – 200——

150 – 200 – 250

—

—

—

90 – 120 – 150

—

—

—

—

120 – 180 – 250

120 – 180 – 250——

Carbon Steel (S × C)
Alloy Steel (SCM, etc.)
Mold Steel (SKD, etc.)

0.15 – 0.2 – 0.3
0.15 – 0.2 – 0.25

Austenitic Stainless Steel (SUS 304, etc.)
GHMEGACOAT HARD

Gray Cast Iron (FC)Alloy Steel (SCM, etc.)SM

2nd recommendation

Martensitic Stainless Steel (SUS 403, etc.)

0.15 – 0.2 – 0.25

Precipitation Hardening Stainless Steel (SUS 630, etc.)
Gray Cast Iron (FC)0.15 – 0.2 – 0.3

Nodular Cast Iron (FCD)

0.15 – 0.2 – 0.25—

100 – 150 – 200

100 – 150 – 200

Ni-Based Heat Resistant Alloy

0.1 – 0.15 – 0.2

20 – 30 – 50———

Hardened Material (60 HRC or less)0.05 – 0.08 – 0.16

—

—

—

50 – 80 – 100

The number in bold font is recommended starting conditions. Adjust the cutting speed and the feed rate within the above conditions according to the actual machining situation.
Machining with coolant is recommended for Ni-base heat resistant alloy and titanium alloy
When using GH chipbreaker in fine pitch cutters, recommended feed is fz 0.2 (mm/t).
GH chipbreaker is not recommended for extra fine pitch cutters.

3

Applicable Inserts

Usage Classif ication

PCarbon Steel / Alloy Steel
Mold Steel
Austenitic

M: Roughing/1st choice

Martensitic
Precipitation Hardening: Roughing/2nd choiceK: Finishing/1st choice

N: Finish/2nd choice(When hardness is 45 HRC or less)

SHShapeGray Cast Iron
Nodular Cast Iron
Non-ferrous Metal
Heat-resistant Alloy
Titanium Alloy
Hardened Material
Dimensions (mm)Description

MEGACOAT (PVD coating)

ICS

D1

BS

RE

WNMU 050408EN-GM

8.8

4.2

3.4

0.7

0.8

WNMU 050408EN-SM

8.8

4.2

3.4

0.7

0.8

WNMU 050408EN-GH

8.8

4.2

3.4

0.7

0.8

PR1535

PR1525

PR1510

PR015S

D1IC

RE

BS

General UseS

Low Cutting ForceTough Edge
: Standard Stock1

Excellent performance with improved thermal properties and MEGACOAT HARD

Improvement of Thermal Properties to Reduce
Sudden Defects and Boundary Damage in Insert

Improved thermal conductivity by optimum distribution ofWC coarse grains (Compared to the previous model)
Resists heat concentration at the cutting edge to promotestable machining

2NEW(Pattern Diagram)
Micro-Grain WC
Coarse-Grain WC
Binder Phase
Heat-ResistantComponents

PR015S

Conventional Substrate A

Coating Properties (Internal evaluation)

Improved wear resistance with
MEGACOAT HARD coating

40

MEGACOAT HARD : High hardness and high heat-resistant PVD layer
High aluminum content and multicomponent layer
High hardness and oxidation resistanceMulticomponent layer with excellent adhesion

Hardness (GPa)

PR015SLong tool life and stable machining for hardened materials

MEGACOAT HARD

35

TiCN

30

TiAIN

25

MEGACOAT

TiN

20
15
10400

600

800

1,000

1,200

1,400

Oxidation temperature (° C)
Low

Oxidation resistanceHigh

Excellent wear resistance with high-hardness and resists boundary
damage with improved thermal properties

Carbide substrate

4

MFWN Mini Face MillDCSFMS
DCB

KWW

KWW

-9°
-8°
-7°

APMX

0°

2(MAX.)+11°LF

APMX
LF
DCCB

R.R.
øD = 50
øD = 63øD = 80-125

CBDP

KDP

DCSFMS
DCB

CBDP

DCCB
DC

DCCB
DC

11Fig.1

0°

KDP

Rake Angle (°)

A.R.

Fig.2

APMX : 5mm

Toolholder Dimensions

Extra cross pitch

Cross pitch

Extra cross
Cross pitch
pitch

Bore Dia. Inch spec.
Metric spec.

Dimensions (mm)No. ofInserts

DC

DCSFMSDCB

DCCB1 DCCB2

MFWN 90080R-05-7T
90100R-05-8T

780

70

25.4

20810078

31.75

4590125R-05-11T

111258938.155

MFWN 90080R-05-9T
90100R-05-11T

980

7025.420111007831.75

4590125R-05-14T

14125

8938.155

MFWN 90050R-05-5T-M
90063R-05-6T-M

55066348

2290080R-05-7T-M

78070

272090100R-05-8T-M

810078324590125R-05-11T-M

11125

894055MFWN 90050R-05-6T-M
90063R-05-7T-M

650

76348

2290080R-05-9T-M

98070

272090100R-05-11T-M

1110078324590125R-05-14T-M

14125

894055

Description

Stock

17.5
1817.5
1813
13
1113
1113-

LF
5063

KWW

Coolant
hole

Shape

Max.
WeightRevolution(kg)(min -1)Fig.1

1.3

CBDPKDP

27

69.5

Yes

34812.7

Yes

38

1015.9Yes

2769.5

Yes

34812.7

Yes

63

38

1015.9

Yes

40

21

6.3

10.4

24712.4

30

863

33

40

50

50

50
63

Fig.2
Fig.1
Fig.2

Yes

10,900

1.6

9,700

2.9

8,700

1.2

10,900

1.6

9,700

2.8

8,700

0.4

13,8000.5

12,300Yes

1.2

10,900

14.4

Yes

1.6

9,700

916.4

Yes

2.8

8,700

21

6.3

10.4

24712.4

30

833

9

Yes

Fig.1

Fig.2

Yes

0.4

13,8000.5

12,300Yes

1.2

10,900

14.4

Yes1.5

9,700

16.4

Yes

2.7

8,700

Yes

Fig.1

Fig.2

Maximum number of revolutions
Set the number of revolutions per minute within the recommended cutting speed specified by the workpiece on page 3.
Do not use the end mill or cutter at the maximum revolution or higher since the centrifugal force may cause chips and parts to scatter even under no load.

: Standard Stock

Parts

Clamp screw

WrenchSB-3065TRP

DTPM-8Anti-seize compound

Arbor clamp bolt

Description

Cross pitch

MFWN

90050R-05-5T-M
90063R-05-6T-M
90080R-05-7T(-M)
90100R-05-8T(-M)

For clamping insert
Tightening torque 1.2 N m

HH10×30
HH10×30
P-37-Extra cross pitch

90125R-05-11T(-M)
MFWN

90050R-05-6T-M
90063R-05-7T-M
90080R-05-9T(-M)
90100R-05-11T(-M)

SB-3065TRP

HH10×30

DTPM-8For clamping insert
Tightening torque 1.2 N m

90125R-05-14T(-M)

Coat anti-seize compound thinly on portion of taper and thread prior to installation.

5

HH12×35

HH10×30
P-37

HH12×35
-0°

DCON

DC0°

DC

DCON

MFWN Mini End Mill

APMX

APMX

LH

LH
LF

LF

Fig.1

Fig.2Toolholder Dimensions
Dimensions (mm)Description

Stock

No. ofInserts

DCDCON

LF

LH

25

APMX

Coolant
Shape
hole

A.R.
R.R.
(MAX.)

MFWN 90025R-S25-05-2T

22512032-14.5°90032R-S32-05-3T

332

130

40-12°

90040R-S32-05-4T

440

150

50-10°

90050R-S32-05-5T

550

90063R-S32-05-6T

663

90080R-S32-05-7T

780

32
110

Parts

Rake angle (°)

5+11°

-9°

Fig.1

Fig.2

-7°

Clamp screw

WrenchAnti-seize
compound

SB-3065TRP

DTPM-8P-37

19,50017,20015,400Yes-8°30Max.
Revolution(min -1)

13,80012,30010,900: Standard Stock

Caution with Max. Revolution
Set the number of revolutions per minute within the recommended cutting speed specified by the workpiece on page 3.
Do not use the end mill or cutter at the maximum revolution or higher since the centrifugal force may cause chips and parts to scatter even under no load.

Vertical Milling (Plunging)

Applicable Chipbreaker by Cutter Type

Available for Vertical Milling (Plunging)ae

Cutting Dia.

Maximum width of cut (ae)All Description

5 mm

Chipbreaker

Cutter typeGMSMGH

Cross Pitch

Ramping and helical milling are not recommended due tointerference between workpiece and flank face

Extra Cross Pitch(fz = 0.2mm/t or less is recommended)

How to mount inserts
1. Completely eliminate chips and dust from the insert mounting side
2. Coat anti-seize compound thinly on portion of taper and thread of clamp screw prior to installation.
After mounting a clamp screw on the top edge of wrench, tighten the screw while keeping the insert pushed against the shim seat surface andholder surface (Fig.1)
3. Tighten the wrench in while holding parallel to the clamp screw.
Recommended tightening torque . . . 1.2 N/m
4. After tightening, check that there is no gap between the contact surface of the insert and the surface of the shim, or between the side surface ofinsert and the holder surface. If there is a gap, remount the insert using the directions above.

Fig. 1

Clamp screw

WrenchFig. 2

Fig. 3

Shim seat surface

Holder pocket surface

6

Contact surface

Side surface

90° Cutter 1st Recommendation

Cost-effective Solution with Greater Edge StrengthLow Cutting Force 90° Milling CutterMFWNEconomical Double-sided, 6-Edge Inserts with
Excellent Fracture Resistance

D.O.C. ap = ~ 5mm

D.O.C. ap = ~ 8mm

MFWN Mini

MFWN

MFWN Mini is a great cost-effective solution withexcellent versatility

Large D.O.C.
Excellent fracture resistance

End Mill 1st recommendation

Chatter-Resistant Precision Machining

High-performance End MillMEVNew Generation of High Performance,
Economical, Multi-functional Milling Cutters

Newly developed vertical triangle inserts with 3 cutting edges
High Performance - Low cutting forces and Higher Rigidity for Excellent Chatter Resistance
Economical - Longer Insert and Holder Tool Life
Multi-functional - Can be Used in Shouldering, Slotting, and Ramping Applications

The information contained in this brochure is current as of April 2020.
Duplication or reproduction of any part of this brochure without approval is prohibited.
CP462 CAT/22.3T2004DNN© 2020 KYOCERA Corporation