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CoroMill® 331

Herramienta de fresado lateral y planeado universal

Caso de cliente, Tailandia

IndustriaIngeniería general
MaterialAcero de alta aleación, CMC 3.11 (P3.1.Z.AN)
OperaciónFresado de dos cortes y planeado
MáquinaMazak

-73%

Coste por pieza

+279%

Incremento de productividad

HerramientaL331.52-160S40FMN331.32-200Q40FM12.00
PlaquitaN331.1A-08 45 08H-PL 4240N331.1A-08 45 08E-M30 1130
Dc160 (6.3)160 (6.3)
Zn1212
n, rpm450350
vc m/min (pies/min)226 (741)176 (577)
hex mm (pulg.)0.017 (0.0007)0.078 (0.0031)
fz mm (pulg.)0.02 (0.001)0.09 (0.004)
vf, mm/min (pulg./min)108 (4)375 (15)
ap mm (pulg.)6 (0.236)6 (0.236)
ae mm (pulg.)40 (1.575)40 (1.575)
Motivo del cambioRotura de la plaquitaRotura de la plaquita
Tiempo en corte (minutos)68.518
Vida útil (piezas)1437.5

Resultado

La nueva geometría E-M30 ofreció un incremento de la productividad del 279 % y una considerable reducción del coste por pieza.

Caso de cliente, EE. UU.

ComponenteVálvula de escape de control de caudal (petróleo y gas)
MaterialM1.0.Z.AQ (316 SS)
OperaciónRanurado
MáquinaMáquina para usos especiales
HerramientaN331.32-152T38EM0.394N331.32-152T38EM0.394
PlaquitaN331.1A-08 45 08H-PL S30TN331.1A-08 45 08E-L50 S30T
DC152152
zn, (zeff)12 (6)12 (6)
n, rpm11091109
vc m/min (pies/min)529 (1736)529 (1736)
hex mm (pulg.)0.036 (0.001)0.036 (0.001)
fz mm (pulg.)0.1 (0.004)0.1 (0.004)
vf, mm/min (pulg./min)658 (25.9)658 (25.9)
ap mm (pulg.)11.5 (0.453)11.5 (0.453)
ae mm (pulg.)5.5 (0.217)5.5 (0.217)
Tiempo en corte/pieza, seg.2.52.5
Vida útil, piezas210260

Resultado

Al sustituir la geometría H-PL por la nueva geometría L-50, la vida útil de la herramienta aumentó un 24 % con un patrón de desgaste considerablemente más fiable y predecible.

Caso de cliente, EE. UU.

ComponenteAcoplamiento de tubo de tuerca aeroespacial
MaterialS2.0.Z.AN (Inconel 625)
OperaciónFresado múltiple
MáquinaMáquina de fresado manual montada en eje horizontal

67%

incremento de la vida útil

HerramientaR331.52-127T38EM
L331.52-127T38EM		R331.52-127T38EM
L331.52-127T38EM
PlaquitaN331.1A-08 45 08H-PL S30TN331.1A-08 45 08 L50 S30T
DC127127
zn, (zeff)10 (10)10 (10)
n, rpm142142
vc m/min (pies/min)56.7 (186)56.7 (186)
hex mm (pulg.)0.051 (0.002)0.051 (0.002)
fz mm (pulg.)0.051 (0.002)0.051 (0.002)
vf, mm/min (pulg./min)72.95 (2.87)72.95 (2.87)
ap mm (pulg.)1.27 (0.050)1.27 (0.050)
ae mm (pulg.)16.26 (0.640)16.26 (0.640)
Tiempo en corte/pieza, seg25.0 × 3 cortes, cambio25.0 × 3 cortes, cambio
Vida útil, piezas120200

Resultado

La nueva plaquita L50 ofreció una vida útil sobresaliente y un desgaste de la herramienta predecible y fiable. También se produjeron menos vibraciones y un mejor acabado superficial.

Caso de cliente, India

ComponenteVástago maestro de locomotora
MaterialAcero CMC 2.2
OperaciónDesbaste con interpolación de la ranura de engrase
MáquinaMazak, Nexus 5000-II
HerramientaR331.35-063A25EM(Z6)R331.35-063A25EM(Z6)
PlaquitaN331.1A-08 45 08H-NL 1025N331.1A-08 45 08E-M30 1130
DC6363
zn, (zeff)6 (3)6 (3)
n, rpm960960
vc m/min (pies/min)190 (623)190 (623)
hex mm (pulg.)0.015 (0.0006)0.015 (0.0006)
fz mm (pulg.)0.03 (0.001)0.03 (0.001)
vf, mm/min (pulg./min)58 (2.28)58 (2.28)
ap mm (pulg.)10 (0.394)10 (0.394)
ae mm (pulg.)3 (0.118)3 (0.118)
DesgasteAstillamientoFisuras térmicas y en incidencia
Vida útil, piezas816

Resultado

Una mayor vida útil de la herramienta con un desgaste mucho más fiable y predecible. El sonido de corte también mejoró considerablemente.

Customer case, France

ComponentHousing for tractor
MaterialCast iron FGL 300 (K2.2.C.UT)
OperationSide and face milling with interpolation
MachineHMC (HSK100)
Existing insert (M-KM 1020) New insert (M30 1020)
Tool203 24 0242 R 0114203 24 0242 R 0114
Insert N331.1A-08 45 08M-KM 1020 N331.1A-08 45 08 M30 1020
DC5050
zn, (zeff)6 (6, big overlap)6 (6, big overlap)
n, rpm 15611561
vc m/min (ft/min)245 (804)245 (804)
hex mm (inch)0.21 (0.008)0.21 (0.008)
fz mm (inch)0.21 (0.008)0.21 (0.008)
vf, mm/min (in/min)1965 (77.4)1965 (77.4)
ap mm (inch)10 (0.394)10 (0.394)
ae mm (inch)14 (0.551)14 (0.551)
Time in cut / component, min 0.840.84
Tool life, components3737

Result

The new M30 insert provided more controlled and less tool wear for the same number of components and less spindle load.

Half side and face milling

ComponentGeneral engineering
MaterialCMC 01.3 (P1.3.Z.AN)
OperationHalf side and face milling
MachineHeller MCH350
+569%
Productivity

-394 HRS
Machine time
​ Competitor CoroMill®​ 331
ToolR331.32-125Q32 KM 15
Insert N331.1A-115008M-PM4230
DC mm (inch)125 (5.0)125 (5.0)
zn10 (zeff10)8 (zeff8)
n, rpm 530790
vc m/min (ft/min)208 (682)310 (1017)
hex mm (inch)0.05 (0.0020)0.12 (0.0047)
fz mm/z (in/z)0.08 (0.0031)0.18 (0.0071)
v​f, mm/min (in/min)424 (16.693)1138 (44.803)
ap mm (inch)5 (0.197)8 (0.315)
ae mm (inch)12 (0.472)15 (0.591)
Cycle time, min33.965.01
Results
Tool life, components812
Tool life, m (feet)115.12 (377.69)68.42 (224.47)
Tool life, min271.6860.12

Customer case, Russia

Industry: Automotive
Component: Connecting rod cap
Material: Cast iron (K2.1.C.UT)
Operation: Mill full slot
Machine: Special arbor-mounted automatic milling machine
Coolant: Emulsion, 7%
33%
Increased tool life
  Existing insert (M-KM 3040) New insert (M30 1020)
Insert N331.1A-08 45 08M-KM3040 N331.1A-08 45 08 M30 1020
DC 125 125
zn (zeff) 16 (8) 16 (8)
Tool overhang Arbor-mounted Arbor-mounted
n, rpm 207 207
vc, m/min (ft/min) 81.5 (267) 81.5 (267)
hex mm (inch) 0.05 (0.002) 0.05 (0.002)
fz mm (inch) 0.12 (0.005) 0.12 (0.005)
vf, mm/min (in/min) 200 (7.87) 200 (7.87)
ap mm (inch) 6.0 (0.236) 6.0 (0.236)
ae mm (inch) 15 (0.591) 15 (0.591)
Time in cut/component (sec) 20.0 20.0
Spindle load NA NA
Tool life, components 3000 4000

Result

The new insert provided an improved, safe machining process with no cracks, less sound and with no vibration.

Oil groove finishing

Industry Automotive engine
Component: Connecting rod
Material: CrMo steel forging
Operation: Oil groove finishing
Machine: Vertical M/C
Coolant: Emulsion, 8%
  Existing insert (M-PM 4320) New insert (M30 4230)
Tool N331.32-080S27EM(Z6) N331.32-080S27EM(Z6)
Insert N331.1A-084508M-PM 4230 UVM3667-PMD-009  M30 4230
DC 80 (3.15) 80 (3.15)
zn 6 6
n, rpm 600 600
vc, m/min (ft/min) 150 (492) 150 (492)
fz mm (inch) 0.056 (0.002) 0.056 (0.002)
vf, mm/min (in/min) 100 (3.94) 100 (3.94)
ap mm (inch) 12 (0.472) 12 (0.472)
ae mm (inch) 2 pass 3+2.5 2 pass 3+2.5
Average flank wear, mm (inch) Less than 0.1 mm (0.004), even Less than 0.1 mm (0.004), even
Tool life (components) 15 components 15 components

Result

Existing M-PM shows slightly vibration-affected surface quality within specification. M30 however, shows good surface quality without vibration. M30 also proved much more light-cutting than the existing M-PM geometry.

Full slotting with interpolation

ComponentValve body (oil and gas)
MaterialCMC 02.2 (P2.5.Z.HT)
OperationFull slotting with interpolation
MachineHYUNDAI03
+195%
Productivity

-500 HRS
Machine time
​ Competitor CoroMill® 331
ToolTMR331.35-520743
Insert L331.1A-08 45 30H-WL 1030
DC mm (inch)80 (3.15)86 (3.4)
zeff44
n, rpm 500650
vc m/min (ft/min)175 (574)175 (574)
fz mm/z (in/z)0.1 (0.0039)0.2 (0.0079)
vf, mm/min (in/min)200 (7.874)520 (20.472)
ap mm (inch)1 (0.039)10 (0.394)
ae mm (inch)80 (3.150)60 (2.362)
Cycle time, min3010
Results
Tool life, components44
Tool life, m (feet)12 (39.37)20.8 (68.24)
Tool life, min12040

Boss milling

ComponentTurbine support case
MaterialCMC 20.22 (S2.0.Z.AG)
OperationBoss milling (interpolation)
MachineChiron
+166%
Productivity

-382 HRS
Machine time
Competitor CoroMill®331
ToolR331.35-050A20CM060
Insert N331.1A-043505H-PL S30T
DC mm (inch)50 (2.0)50 (2.0)
zn4 (zeff2)6 (zeff3)
n, rpm 255255
vc m/min (ft/min)40 (131)40 (131)
hex mm (inch)0.01 (0.0004)0.02 (0.0008)
fz mm/z (in/z)0.01 (0.0004)0.02 (0.0008)
vf, mm/min (in/min)7 (0.276)18 (0.709)
ap mm (inch)1 (0.039)1 (0.039)
ae mm (inch)6 (0.236)6 (0.236)
Cycle time, min346118
Results
Tool life, components0.090.25
Tool life, m (feet)0.04 (0.131)0.11 (0.361)
Tool life, min29.529.41

Deep grooving

ComponentAircraft frame
MaterialCMC 23.22 (S4.3.Z.AG)
OperationDeep grooving
MachineGidding & Lewis
+826%
Productivity

-76 HRS
Machine time
Competitor CoroMill® 331
ToolN331.32-203T51FMB
Insert R331.1A-084530H-WL 1030
DC mm (inch)203 (8.0)203 (8.0)
zn18 (zeff6)16 (zeff8)
n, rpm 7372
vc m/min (ft/min)46 (151)46 (151)
fz mm/z (in/z)0.051 (0.002)0.127 (0.005)
vf, mm/min (in/min)22.25 (0.876)72.77 (2.865)
ap mm (inch)7.62 (0.300)13.46 (0.530)
ae mm (inch)12.7 (0.500)12.7 (0.500)
Cycle time, min37.56.5
Results
Tool life, components0.58
Tool life, m (feet)0.42 (1.37)3.78 (12.41)
Tool life, min18.7552

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