Mill 4-15

Double-sided shoulder milling platform

© 2013 Kennametal Inc. l All rights reserved. l Proprietary and Confidential

Mill 4-15

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Mill 4-15 double-sided shoulder millScrew-On End Mills: Ø 35 mmCylindrical End Mills: Ø 25 mm and Ø 32 mmShell Mills: Ø 40 mm to Ø 80 mmGrades:, KC520M (PVD), KC522M (PVD),KC725M (PVD), KCK15(CVD), KCPK30 (CVD), KCPM20 (CVD)

Features / Benefits:Double-sided inserts

low costs per edgestable and reliable inserts

Exact 90°shouldersPerfect step down capabilityAccurate 90°shoulders on components

Up to 15,5 mm axial depth of cutSuperior surface finish on walls and

floors

-GE

Features / Benefits

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Double-sided insert• 4 cutting edges per insert• Stable design

1 3

42

Accurate 90°shoulders:• Exact walls• No steps on walls

42CrMo4Vc = 180 m/minfz = 0,18 mmDOC = 3 mmStep = 9 mm(3 steps of 3 mm )

Up to 15,5 mm axial depth of cut• Accurate 90°walls on the

whole depth of cut

Screw-On End Mills

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Weldon End Mills

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Shell Mills

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Shell Mills

Spare Parts

Insert screwTorx Plus-

driver

Order number. Catalogue number

Insert selection Guide

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Indexable Inserts

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available December 2013

available December 2013

Recommended starting Speeds and Feeds

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Component: Engine block 3 Cylinder Material: GG25Application: Adapter flange millingMachine: GROB BZ600Body: D=63mm Z=7 60084108Insert: Mill4 Milling Insert PrototypeGrade: KC520M

Component: Engine block 3 Cylinder Material: GG25Application: Adapter flange millingMachine: GROB BZ600Body: D=63mm Z=7 60084108Insert: Mill4 Milling Insert PrototypeGrade: KC520M

ChallengeTool life improvement and cost reductionAlternative shoulder milling system.

ChallengeTool life improvement and cost reductionAlternative shoulder milling system.

SolutionApply Mill 4-15Double sided shoulder milling platform

SolutionApply Mill 4-15Double sided shoulder milling platform

Test-Parameter Vc [m/min] a)180 b)240 S=1213min-1

fz [mm] a)0,07 b)0,11 F= 918mm/min

ap [mm] 3-4 mm

dry, short chips

Test-Parameter Vc [m/min] a)180 b)240 S=1213min-1

fz [mm] a)0,07 b)0,11 F= 918mm/min

ap [mm] 3-4 mm

dry, short chips

Field-test on GG25

Doubled tool life!!!

TPR 13-95260

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Component: Carrier for dynamo machine Material: GGG50Application: Face milling screw seating areaMachine: Heller MCH250 horizontal BAZ Body: D=63mm Z=7 60084108Insert: Mill4 Milling Insert PrototypeGrade: KCPK30

Component: Carrier for dynamo machine Material: GGG50Application: Face milling screw seating areaMachine: Heller MCH250 horizontal BAZ Body: D=63mm Z=7 60084108Insert: Mill4 Milling Insert PrototypeGrade: KCPK30

ChallengeTool life improvement and cost reductionAlternative shoulder milling system.

ChallengeTool life improvement and cost reductionAlternative shoulder milling system.

SolutionApply Mill 4-15Double sided shoulder milling platform

SolutionApply Mill 4-15Double sided shoulder milling platform

Test-Parameter Vc [m/min] 160 S=960min-1

fz [mm] 0,098 F= 660mm/min

ap [mm] 5 mm

Emulsion external

Test-Parameter Vc [m/min] 160 S=960min-1

fz [mm] 0,098 F= 660mm/min

ap [mm] 5 mm

Emulsion external

Field-test on GGG50

20% higher tool life!!!

Improoved wall quality, smaller steps, higher tool life © 2013 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 12

Component: Valve for oil pipeline Material: 1.4903 / X10CrMoVNb9-1Application: Pocket milling (with pre drilling)Machine: Reiden BFR-22 SK50Body: D=50mm Z=5 Insert: Mill4 Milling Insert PrototypeGrade: KC725M

Component: Valve for oil pipeline Material: 1.4903 / X10CrMoVNb9-1Application: Pocket milling (with pre drilling)Machine: Reiden BFR-22 SK50Body: D=50mm Z=5 Insert: Mill4 Milling Insert PrototypeGrade: KC725M

ChallengeTool life improvementImproved wall qualityHigher material removal rate

ChallengeTool life improvementImproved wall qualityHigher material removal rate

Solution

MILL 4-15

Solution

MILL 4-15

Test-Parameter Vc [m/min] 170 S=1082min-1

fz [mm] 0,15 F= 812mm/min

ap [mm] 6 mm

Emulsion extern

Test-Parameter Vc [m/min] 170 S=1082min-1

fz [mm] 0,15 F= 812mm/min

ap [mm] 6 mm

Emulsion extern

Field-test 1.4903 up to 750 N/mm2