milling parametres

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NEW NEW No. 408 Hitachi Tool Engineering Europe GmbH

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Page 1: milling parametres

NEWNEW

No. 408

Hitachi Tool Engineering Europe GmbH

Page 2: milling parametres

2 © 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

FEATURES

• New Nano-composite coating material achieves extraordinary heat resistance and hardness. This isattained due to the new composite layer, consisting ofnano-crystal material (Oxidizing temperature: 1100°C,Layer hardness: HV 3600).

• Achieves extraordinary performance in high-speed cutting,and high efficient machining of hardened steel, machiningefficiency is more than twice as effective as other manu-facturers solid carbide end mills.

• Ensuring long life and reliability in hardened steel applications (45-60HRC) Material examples: 1.2080, 1.2344,and 1.2379, ASP Powder Steels, High Speed Steels andStainless Steels

• The coating generates less heat during cutting; therefore it is well suited to dry machining conditions.

FEATURES

Newly developed TH Coating has excellent oxidation-resistantproperties, this achieves:• High speed cutting of hard steels = High Efficiency• Improvement in tool life = Lower tooling costsThe newly designed flute geometry increases rigidity, with the improved high radius accuracy producing higher tolerance, and smoother surface finish.• Direct milling of hardened steel is now possible

= Faster production times

BESONDERHEITEN

• Die bemerkenswert hohe Hitzebeständigkeit und Härte desneuen Nano-Composite Beschichtungsmaterials (Oxidierungstemperatur: 1.100°C, Härte der Beschichtung:HV 3.600). Verantwortlich dafür ist eine neuartige Misch-Beschichtung, bestehend aus einem Nano-Kristall-Material

• Die außerordentlichen Zerpanungsleistungen in HSC-Bearbeitungen und die hohe Leistungsfähigkeit bei derBearbeitung von gehärteten Stählen, ermöglichen eineSteigerung der Bearbeitungseffizienz um das 2-fachegegenüber Vollhartmetall-Werkzeugen anderer Hersteller (oder gegenüber herkömmlich beschichtetenVollhartmetall-Werkzeugen).

• Die garantiert hohen Standzeiten und Wiederhol-Genauigkeiten bei der Bearbeitung von gehärteten Stählen(HRC 45-60) wie: 1.2080, 1.2344 und 1.2379, ASP Pulverstähle, HSS-Stähle und rostfreie Stähle

• Die geringe Hitzeentwicklung während der Bearbeitung,prädestiniert diese Beschichtung für die Trocken-Bearbeitung.

PARTICOLARITÀ

• Il nuovo nano-rivestimento è straordinariamente resistenteal calore e alla durezza grazie a strati composti costituiti damateriale micro-cristallizzato.

• La temperatura di ossidazione è circa 1100°C con unadurezza dello strato di circa 3600 HV.

• Raggiunge alte prestazioni per la fresatura ad alta velocitàe per l´efficiente lavorazione di acciai temprati. Il rendimentoè più del doppio rispetto ad altri produttori di frese inmetallo duro integrale.

• Garantisce una vita del tagliente e un´affidabilità straordinariaper applicazioni con materiali temprati (45-65 HRC).

• Esempi per materiali sono: 1.2080, 1.2344, 1.2379, AcciaiHSS a polvere sinterizzato (ASP), Acciai Super Rapidi(HSS) e acciai inossidabili.

• Il rivestimento crea un calore minore durante il processo ditaglio; come conseguenza la fresa lavora bene a secco.

VENTAJAS

• El nuevo Nano-Recubrimiento tiene una extraordinariadureza y resistencia al calor. Esto se logra gracias a lanueva composición, formada por materiales nano-cristalinos (Temperatura de oxidación 1100°C, Dureza:3600 HV)

• Especialmente eficaz mecanizando materiales templadosen alta velocidad. En comparación con las fresas de otrosfabricantes se logra duplicar su rendimiento y duración.

• Garantiza una gran duración y fiabilidad en aplicacionesen acero templado (45-60 HRC) como por ejemplo 1.2080,1.2344, y 1.2379, ASP sinterizado, acero rápido (HSS) yacero inoxidable.

• El recubrimiento genera menos calor durante el mecanizado por lo que es ideal para el mecanizado enseco.

CARACTÉRISTIQUES

• Nouveau Revêtement NANO PVD Epoch Revêtement TH .Celle-ci est atteinte grâce à la nouvelle composition descouches, constituées d’une matière nano- cristallin (Température d’oxydation 1100°C, dureté de la couche HV 3600)

• Obtenir d’extraordinaires performances en UGV, et hautrendement d’usinage dans les aciers traités, l’efficacitéd’usinage est plus de deux fois supérieure aux autresfabricants de fraises carbure .

• Assure une grande durée de vie et fiabilité dans les acierstraités (45-60HRC). Exemples de matière : 1.2080, 1.2344et 1.2379, Acier fritté ASP, Acier Super Rapide et Acier Inoxydable

• Le revêtementgénère moinsde chaleurpendant lacoupe, aussiest-il trèsrecommandéd’usiner à sec

• Highly accurate finish machining is achievable = Less Re-work and polishing

The tool exhibits its power to cut various materials, from pre-hardened steels (35 HRC) to high hardened steels (65 HRC).The Epoch Hard is especially for high-speed cutting. This End Mill can achieve a lot higher tool life than conventional coated tools.Direct milling of high-hardened die steel is easily accomplished.Radius tolerance: +/- 0.005 mm (under Ø6), Highly accurate finish machining is possible.

TH Coatings Hardness and Oxidization-Resistance compared to conventional coatings

Härte und Oxidations-Widerstandsfähigkeit der TH 45+ Beschichtung im Vergleich zu herkömmlichen BeschichtungenDurezza e Resistenza di ossidazione del rivestimento TH a confronto con i rivestimenti convenzionaliDureza y resistencia a la oxidación del recubrimiento TH comparada con los recubrimientos convencionales La dureté et la résistance à l’oxydation du revêtement TH comparées aux revêtements conventionnels

Page 3: milling parametres

3© 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

BESONDERHEITEN

Die exzellente Oxidations-Widerstandsfähigkeit der neuentwickelten TH 45+ Beschichtung ermöglicht• HSC-Bearbeitungen in gehärteten Stählen = Hohe Effizienz• Verbesserung der Werkzeugstandzeit

= Niedrigere WerkzeugkostenDie durch eine neu entwickelte Schneidengeometrie enormgesteigerte Steifigkeit und eine erhöhte Radius-Genauigkeitermöglichen• Die direkte Bearbeitung von gehärteten Stählen

= kürzere Produktionszeiten• Hochgenaue Schlichtbearbeitungen

= Weniger Nach- oder Polierarbeiten Die Stärken dieses Werkzeugs liegen in der Fähigkeit, die unterschiedlichsten Werkstoffe zu zerspanen, ob vorgehärtete Stähle (HRC 35) oder Werkstoffe mit hohenHärten (HRC 65).Der Epoch Hard ist speziell für die HSC-Bearbeitung entwickeltworden und erreicht wesentlich höhere Standzeiten alsherkömmlich beschichtete Werkzeuge.Die direkte Bearbeitung von hoch-gehärteten Stählen bereitetmit diesem neuen Werkzeug keinerlei Probleme mehr.Die Radius-Toleranz von +/- 0,005 mm (unter Ø 6 mm), ermöglicht höchstgenaue Schlichtbearbeitungen.

ASPETTI PARTICOLARI

L´ultimo sviluppo di rivestimenti "TH” ha eccellente proprietàdi resistenza all´ossidazione e permette:• Lavorazione ad alta velocità di materiali temprati

= alta efficienza• Grande allungamento di vita dell´utensile

= Costi più bassi degli utensiliIl disegno di nuova concezione del corpo tagliente incrementala rigidità che, unita all’estrema precisione della geometriaraggio utensile, garantisce un alto livello di precisione e ungrado di finitura superficiale eccezionale.• La fresatura diretta dei materiali temprati è adesso possibile

= tempi di esecuzione ridotti

• Alta precisione di finitura superficiale raggiungibile = tempi di ripresa e lucidatura sono percettibilmenteridotti.

L´utensile rende possibile la fresatura di materiali diversi, dabonificati (da 35 HRC in su) a acciai di alte durezze (fino 65 HRC).L´Epoch Duro è stato fatto particolarmente per lavorazioni adAlta Velocità. Questa fresa garantisce una vita dell´utensile più elevata inconfronto a frese con un rivestimento convenzionale.La fresatura diretta dei materiali temprati è facilmenteraggiunta.Tolleranza del raggio: ± 0.005 mm (< Ø6) per richieste difinitura superficiale accurata.

VENTAJAS

El nuevo recubrimiento TH tiene una excelente resistencia ala oxidación que le permite:• Mecanizar a alta velocidad materiales templados

= Alta eficacia• Mayor vida de herramienta = Menor costeUna nueva geometría que aumenta la rigidez, y una mejoradaprecisión de radio, permiten mecanizar con tolerancias muyexigentes y obtener rugosidades superficiales óptimas • El mecanizado directo de material templado

= Menor tiempo de producción• El mecanizado de alta precisión = Menos ajuste y pulido.La herramienta demuestra su eficacia en diversos materiales, desde 35 HRC hasta 65 HRC.La Epoch Hard esta especialmente diseñada para el mecanizado alta velocidad. La duración de esta herramientaes muy superior a la de fresas convencionales.El mecanizado directo de aceros altamente templados esfácilmente realizable.Tolerancia del radio: +/- 0.005 mm (hasta Ø6), Permite mecanizar con una altísima precisión.

DESCRIPTIONS

Le nouveau revêtement TH offre d’excellentes propriétés à larésistance à l’oxydation, ceci implique :• Hautes vitesses de coupe des aciers traités

= Grande efficacité• Augmentation de la durée de vie

= Baisse des coûts d’outillageLe nouveau dessin de la géométrie de la dent augmente larigidité, de plus l’amélioration de la tolérance du rayonproduit une meilleure tolérance d’usinage et un meilleur étatde surface .• Usinage direct dans les aciers traités est maintenant

possible = Temps de production raccourcis• Haute tolérance en usinage de finition

= Moins d’opération de reprise L’outil démontre son pouvoir de coupedans différentes matières, des aciersprétraités (35HRC) aux aciers traités (65 HRC) .L’”Epoch Hard” est recommandée pourl'UGV . Ces fraises obtiennent une plusgrande durée de vie que les outils avecun revêtement standard .L’usinage direct de matrice en acierstraités est facilement réalisable .Tolérance du rayon: +/- 0.005mm (outil Ø6). Très haute tolérance en usinage de finition réalisable .

3

2

1

0

TiCN

TiN

TiAlN

600 800 1000 1200 1400Temperature (K)

Oxid

ized

dep

th (

10

+3n

m)

Chrystal Control in TH Coating

TiN TiCN TiAlN TH Coating

3596

2744

1970

4000

3000

2000

1000

2869

H1g

fH

ard

ness

Page 4: milling parametres

Cutting Performance

4 © 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

Pocketing

80 mm

10 mm100 mm

Machiningdepth

Pocketing

80 mm

5 mm100 mm

Machiningdepth

EPBT-2100

1.2379 (58HRC)Pocketing

n = 4,500 min-1

Vc = 140 m/minVf = 1,080 mm/minfz = 0.12 mm/toothap x ae = 0.5 x 2 mmDry (Air Blow) M/C ISO 40Milling time: 33 min

0.028 mmFlank wear

Cen

ter

are

aB

ou

nd

ary

are

a

0.07 mmFlank wear

Epoch TH Hard Ball A: TiAlN Coating

0.028 mmFlank wear

0.23 mmChipping

0.02 mmFlank wear

0.045 mmFlank wear

Epoch TH Hard Ball A: TiAlN Coating

0.037 mmFlank wear

0.25 mmChipping

Direct Milling of Hardened Steel

Cen

ter

are

aB

ou

nd

ary

are

a

EPBT-2100

1.2344 (50HRC)Pocketing

n = 5,700 min-1

Vc = 180 m/minVf = 2,050 mm/minfz = 0.18 mm/toothap x ae = 1 x 3 mmDry (Air Blow) M/C ISO 40Milling time: 24 min

Page 5: milling parametres

Cutting Performance

5© 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

Field Data

EPBT-2100

1.2379 (62HRC)n = 8,000 min-1

Vf = 1,600 mm/minfz = 0.1 mm/toothap x ae = 0.4 x 0.2 mmStraight down cut, air blow

0.2 mm

0.4 mm

0.2 mm

0.5 mm

EPBT-2100

1.2343 (52HRC)n = 8,000 min-1

Vf = 1,600 mm/minfz = 0.1 mm/toothap x ae = 0.5 x 0.2 mmStraight down cut, air blow

Epoch TH Hard Ball A: TiAlN Coating

Epoch TH Hard Ball A: TiAlN Coating

High Speed Finish Cutting of Hardened Die Steel (62HRC)

High Speed Cutting of Hardened Die Steel (52HRC)

0.2

0.1

BA

Epoch TH Hard Ball

0 100 200 300 400Cutting length (m)

Fla

nk w

ear

VB

(m

m)

0.3

0.2

0.1

BA

0 100 200Cutting length (m)

Fla

nk w

ear

VB

(m

m)

Epoch TH Hard Ball

HSC (High Speed Cutting)

3D / Semi-Finishing

EPBT-2100 (R5xØ10)

W = 1.2080 (60HRC)n = 4,700 min-1

Vf = 1,200 mm/minfz = 0.13 mm/toothap x ae = 0.3 x 0.5 mm

High Speed M/C, Oil mist

HPC (High Precision Cutting)

3D / Fine-Finishing

EPBT-2010 (R0.5xØ1)

W = 1.2379 (58HRC)n = 13,000 min-1

Vf = 400 mm/minfz = 0.015 mm/toothap x ae = 0.01 x 0.03 mm

High Speed M/C, Oil mist

Page 6: milling parametres

EPBT | Epoch Ball TH-Coating

6 © 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

RakeAngle

Positive

Carbide

MicroGrain

High Speed

V max

Roughing

TH45+

Nano-PVDCoating

ID Code Item No. Stock Z R ØD l dn l1 ln1 ln2 ls L d Type

EP 255 EPBT-2010 � 2 0.5 1 1.5 2.5 11 8.5 50 4 A

EP 256 EPBT-2020 � 2 1 2 3 4 15.3 11.3 50 6 A

EP 257 EPBT-2030 � 2 1.5 3 4.5 5.5 14 8.5 70 6 A

EP 258 EPBT-2040 � 2 2 4 6 7 12.7 5.7 70 6 A

EP 259 EPBT-2050 � 2 2.5 5 7.5 8.5 11.3 2.8 80 6 A

EP 260 EPBT-2060 � 2 3 6 9 – – – 90 6 B

EP 261 EPBT-2080 � 2 4 8 12 – – – 100 8 B

EP 262 EPBT-2100 � 2 5 10 15 – – – 100 10 B

EP 263 EPBT-2120 � 2 6 12 18 – – – 110 12 B

� = Stock | Germany

R ± 0.005

D 0/-0.01

d h5

A B

Semi-Finishing Finishing 70

HRC No. of

Teeth

2

l

ØD

L

Ød

R

Page 7: milling parametres

EPHT | Epoch Hard TH-Coating

7© 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

RakeAngle

Negative

High Speed

V max

Semi-Finishing Finishing

Carbide

MicroGrain

TH45+

Nano-PVDCoating

70

HRC

~Ø3 -0.014/-0.028

Ø3~Ø6 -0.020/-0.038

Ø6~Ø20 -0.025/-0.047

d h6

No. of

Teeth

4

No. of

Teeth

6

A B

L

I

ØD

Ød

L

I

ØD

Ød

l

ØD

L

Ød

ID Code Item No. Stock Z R ØD l dn l1 ln1 ln2 ls L d Type

EP 244 EPHT-4010 � 4 1 3.5 60 6 A

EP 264 EPHT-4015 � 4 1.5 5 60 6 A

EP 245 EPHT-4020 � 4 2 7 60 6 A

EP 265 EPHT-4025 � 4 2.5 8 60 6 A

EP 246 EPHT-4030 � 4 3 10 60 6 A

EP 247 EPHT-4040 � 4 4 12 60 6 A

EP 248 EPHT-4050 � 4 5 15 60 6 A

EP 249 EPHT-6060 � 6 6 15 60 6 B

EP 250 EPHT-6080 � 6 8 20 75 8 B

EP 251 EPHT-6100 � 6 10 25 80 10 B

EP 252 EPHT-6120 � 6 12 30 100 12 B

EP 253 EPHT-6160 � 6 16 40 110 16 B

EP 254 EPHT-6200 � 6 20 45 125 20 B

� = Stock | Germany

Page 8: milling parametres

Cutting Performance

8 © 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

8 mm

0.4 mm

8 mm

0.4 mm

EPHT-6080

1.2344 (52HRC)Vc = 300~500 m/minfz = 0.07 mm/toothap x ae = 8 x 0.4 mmStraight down cut, air blow

EPHT-6080

1.2379 (62HRC)Vc = 50~150 m/minfz = 0.05 mm/toothap x ae = 8 x 0.4 mmStraight down cut, air blow

52HRC

60HRC

High Speed Cutting of Hardened Die Steel (52HRC)

High Speed Cutting of Hardened Die Steel (60HRC)

Field Data

600

400

200

B

A

0 200 400 600Cutting speed (m/min)

To

ol life

(m

)

Epoch TH Hard

60

40

20

B

A

0 50 100 150 200Cutting speed (m/min)

To

ol life

(m

)

Epoch TH Hard

HSC (High Speed Cutting)

Side-Milling / Roughing

EPHT-6100 (Ø10)

W = 1.3343 (58HRC)n = 6,400 min-1

Vc = 201 m/minVf = 3,840 mm/minfz = 0.1 mm/toothap x ae = 20 x 0.2 mm

M/C, ISO 40, Oil mist

HPC (High Precision Cutting)

Side-Milling / Finishing

EPHT-6100 (Ø10)

W = 1.3343 (58HRC)n = 2,000 min-1

Vc = 62.8 m/minVf = 150 mm/minfz = 0.0125 mm/toothap x ae = 20 x 0.02 mm, Zero-cut

M/C, ISO 40, Oil mist

Page 9: milling parametres

Recommended cutting conditions EPHT

9© 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

Work piece Condition ap Cutting

Material Range ae Condition

79,600 39,800 26,500 22,300 14,900 11,100 8,900 7,400 5,600 4,500 250 250 250 280 280 280 280 280 280 280

2,550 2,870 3,070 3,750 5,360 5,330 5,340 4,880 4,370 4,590 0.008 0.018 0.029 0.042 0.060 0.080 0.100 0.110 0.130 0.170

19,100 19,100 12,700 11,100 7,400 5,600 4,500 3,700 2,800 2,200 60 120 120 140 140 140 140 140 140 140

610 1,380 1,470 1,860 2,890 2,860 2,700 2,440 2,180 2,240 0.008 0.018 0.029 0.042 0.065 0.085 0.100 0.110 0.130 0.170

79,600 39,800 26,500 20,700 13,800 10,400 8,300 6,900 5,200 4,100 250 250 250 260 260 260 260 260 260 260

2,550 2,550 2,760 3,150 4,550 4,680 4,480 4,140 3,430 3,690 0.008 0.016 0.026 0.038 0.055 0.075 0.090 0.100 0.110 0.150

19,100 15,900 10,600 9,600 6,400 4,800 3,800 3,200 2,400 1,900 60 100 100 120 120 120 120 120 120 120

380 700 760 1,000 1,540 1,580 1,480 1,340 1,150 1,200 0.005 0.011 0.018 0.026 0.040 0.055 0.065 0.070 0.080 0.105

63,700 31,800 21,200 18,300 12,200 9,200 7,300 6,100 4,600 3,700 200 200 200 230 230 230 230 230 230 230

1,780 1,780 1,950 2,420 3,660 3,590 3,500 3,290 2,760 2,890 0.007 0.014 0.023 0.033 0.050 0.065 0.080 0.090 0.100 0.130

19,100 12,700 8,500 8,000 5,300 4,000 3,200 2,700 2,000 1,600 60 80 80 100 100 100 100 100 100 100

380 510 540 740 1,110 1,080 1,060 970 840 860 0.005 0.010 0.016 0.023 0.035 0.045 0.055 0.060 0.070 0.090

47,800 23,900 15,900 14,300 9,600 7,200 5,700 4,800 3,600 2,900 150 150 150 180 180 180 180 180 180 180

1,150 1,240 1,340 1,720 2,590 2,590 2,390 2,300 1,940 2,090 0.006 0.013 0.021 0.030 0.045 0.060 0.070 0.080 0.090 0.120

19,100 9,600 6,400 6,400 4,200 3,200 2,500 2,100 1,600 1,300 60 60 60 80 80 80 80 80 80 80

310 350 380 540 760 770 750 690 620 620 0.004 0.009 0.015 0.021 0.030 0.040 0.050 0.055 0.065 0.080

31,800 15,900 10,600 10,400 6,900 5,200 4,100 3,500 2,600 2,100 100 100 100 130 130 130 130 130 130 130 640 760 810 1,120 1,660 1,720 1,600 1,470 1,250 1,390

0.005 0.012 0.019 0.027 0.040 0.055 0.065 0.070 0.080 0.110 12,700 6,400 4,200 4,800 3,200 2,400 1,900 1,600 1,200 1,000

40 40 40 60 60 60 60 60 60 60 200 200 220 360 580 580 510 480 400 450

0.004 0.008 0.013 0.019 0.030 0.040 0.045 0.050 0.055 0.075

Tool Ø (mm)

Ø 1 Ø 2 Ø 3 Ø 4 Ø 6 Ø 8 Ø 10 Ø 12 Ø 16 Ø 20

II

III

IV

V

V

Tool Steel(25-35HRC)

Pre-hardenedsteel(35-45HRC)

Hardenedsteel(45-55HRC)

Hardenedsteel(55-65HRC)

Hardenedsteel(65-70HRC)

Side Millingap

ae

NOTE

1. Use as highly rigid and accurate machine as available.2. The cutting conditions in the above table are a general guide.

For your actual work piece adjust the conditions according to themachining shape, purpose and the machine tool to be used.

3. If the rpm speed available is lower, adjust the feed rate to the sameratio with the rpm.

ANMERKUNG

1. Nutzen Sie für die Bearbeitungen die Maschine mit der höchstenGenauigkeit und der höchsten Steifigkeit

2. Die in der Tabelle angegebenen Schnittbedingungen stellen einegenerelle Empfehlung dar. Die Werte sollten immer an die jeweiligeBearbeitung, deren Form und die verwendete Maschine angepasstwerden.

3. Sollte die Ihnen verfügbare Drehzahl niedriger als der in der Tabelleangegebene Wert sein, sollte der Vorschub im gleichen Verhältnisreduziert werden.

NOTA

1. Usate centri di lavoro più precisi e rigidi possibile.2. Le condizioni di taglio indicate sono valori generali. Per ottimizzare

il Vostro processo di lavoro analizzate i parametri in funzione dellegeometrie che dovete generare e del centro di lavoro a disposizione.

3. Se i giri del mandrino della macchina disponibili sono più bassirispetto al valore espresso regolate l´avanzamento con lo stessorapporto.

OBSERVACIONES

1. Utilizar la máquina más rígida y precisa posible.2. Las condiciones de corte de la tabla son una orientación general.

Para un trabajo específico hay que ajustar las condiciones enfunción de la geometría de la pieza, el resultado esperado y el tipode máquina que vamos a utilizar.

3. Si las rpm de la maquina son inferiores, hay que ajustar el avanceen proporción a las mismas.

NOTE

1. Utiliser une machine aussi fiable et rigide que possible .2. Les conditions de coupe du tableau sont indicatives . Pour votre

application, ajuster cette base en fonction de votre machine .3. Si le nombre de tours est insuffisant ajuster les avances dans la

même proportion que la rotation disponible .

n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)

ap=1.5-2D

ae=0.1D

ap=1.5-2D

ae=0.1D

ap=1.5-2D

ae=0.1D

ap=1.5-2D

ae=0.1D

ap=1.5-2D

ae=0.03D

ap=1.5-2D

ae=0.06D

ap=1-1.5D

ae=0.02D

ap=1-1.5D

ae=0.04D

ap=1-1.5D

ae=0.02D

ap=1-1.5D

ae=0.04D

High Speed

General

High Speed

General

High Speed

General

High Speed

General

High Speed

General

Page 10: milling parametres

Recommended cutting conditions EPBT

10 © 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

Roughing

Work piece Condition ap Cutting

material Range ae Condition

Tool Radius (mm)R0.5/Ø1 R1/Ø2 R1.5/Ø3 R2/Ø4 R3/Ø6 R4/Ø8 R5/Ø10 R6/Ø12

79,600 47,800 31,800 23,900 18,000 13,500 10,800 9,000250 300 300 300 340 340 340 340

3,180 2,870 3,180 3,350 3,960 4,050 3,890 3,4200.02 0.03 0.05 0.07 0.11 0.15 0.18 0.19

19,100 19,100 15,900 11,900 9,600 7,200 5,700 4,80060 120 150 150 180 180 180 180

760 1,150 1,590 1,670 2,110 2,160 2,050 1,8200.02 0.03 0.05 0.07 0.11 0.15 0.18 0.19

79,600 47,800 31,800 23,900 18,000 13,500 10,800 9,000250 300 300 300 340 340 340 340

3,180 2,870 3,180 2,870 3,240 3,510 3,460 3,0600.02 0.03 0.05 0.06 0.09 0.13 0.16 0.17

19,100 19,100 15,900 11,900 9,600 7,200 5,700 4,80060 120 150 150 180 180 180 180

760 1,150 1,590 1,430 1,730 1,870 1,820 1,6300.02 0.03 0.05 0.06 0.09 0.13 0.16 0.17

76,400 38,200 27,600 20,700 14,900 11,100 8,900 7,400240 240 260 260 280 280 280 280

3,060 2,290 2,210 2,480 2,680 2,660 2,490 2,2200.02 0.03 0.04 0.06 0.09 0.12 0.14 0.15

19,100 15,900 12,700 9,600 7,400 5,600 4,500 3,70060 100 120 120 140 140 140 140

380 640 1,020 960 1,180 1,230 1,170 1,0400.01 0.02 0.04 0.05 0.08 0.11 0.13 0.14

57,300 28,700 21,200 15,900 12,700 9,600 7,600 6,400180 180 200 200 240 240 240 240

1,150 1,150 1,700 1,590 2,030 1,920 1,980 1,7900.01 0.02 0.04 0.05 0.08 0.10 0.13 0.14

19,100 12,700 10,600 8,000 6,400 4,800 3,800 3,20060 80 100 100 120 120 120 120

380 510 640 800 900 860 910 8300.01 0.02 0.03 0.05 0.07 0.09 0.12 0.13

38,200 19,100 12,700 9,600 8,500 6,400 5,100 4,200120 120 120 120 160 160 160 160760 760 1,020 960 1,360 1,280 1,330 1,1800.01 0.02 0.04 0.05 0.08 0.10 0.13 0.14

15,900 8,000 5,300 4,000 4,200 3,200 2,500 2,10050 50 50 50 80 80 80 80

320 320 320 400 590 580 600 5500.01 0.02 0.03 0.05 0.07 0.09 0.12 0.13

NOTE

1. Use a highly rigid and accurate machine as available.2. The radial step over (Pf, pick feed) in the above table is for general

information. Please select the conditions to suit your actual surfacefinish requirements, according to the cusp height stated.

3. The cutting conditions in the above table are a general guide. For your actual work piece adjust the conditions according to themachining shape, purpose and the machine tool to be used.

4. If the rpm speed available is lower, adjust the feed rate to the sameratio with the rpm.

ANMERKUNG

1. Nutzen Sie für die Bearbeitungen die Maschine mit der höchstenGenauigkeit und der höchsten Steifigkeit

2. Der in der Tabelle angegebene Zeilensprung ist eine generelleEmpfehlung. Um die jeweiligen Anforderungen an dieOberflächengüte zu erreichen wählen Sie die Bedingungen entsprechend der angegebenen Rautiefe.

3. Die in der Tabelle angegebenen Schnittbedingungen stellen einegenerelle Empfehlung dar. Die Werte sollten immer an die jeweiligeBearbeitung, deren Form und die verwendete Maschine angepasstwerden.

4. Sollte die Ihnen verfügbare Drehzahl niedriger als der in der Tabelleangegebene Wert sein, sollte der Vorschub im gleichen Verhältnisreduziert werden.

3. Le condizioni di taglio indicate sono valori generali. Per ottimizzareil Vostro processo di lavoro analizzate i parametri in funzione dellegeometrie che dovete generare e del centro di lavoro a disposizione.

4. Se i giri del mandrino della macchina disponibili sono più bassirispetto al valore espresso regolate l´avanzamento con lo stessorapporto.

NOTA

1. Usate centri di lavoro più precisi e rigidi possibile2. Gli indicazioni sul passo laterale (ae) espresso nella tabella sopra

riportata sono valori generali. Per ottimizzare il processo di lavorousate le relazioni cresta/raggio più vicine alle Vostre esigenze.

OBSERVACIONES

1. Utilizar la máquina más rígida y precisa posible.2. El paso radial (Pf, paso) de la tabla es una información general.

Hay que utilizar el paso adecuado en función del acabado superfi-cial que se pretenda obtener según la rugosidad máxima prevista(Altura de cresta).

3. Las condiciones de corte de la tabla son una orientación general.Para un trabajo específico hay que ajustar las condiciones enfunción de la geometría de la pieza, el resultado esperado y el tipode máquina que vamos a utilizar.

4. Si las rpm de la maquina son inferiores, hay que ajustar el avanceen proporción a las mismas.

NOTE

1. Utiliser une machine aussi fiable et rigide que possible .2. SVP choisissez vos conditions en fonction de l’état de surface

requis .3. Les conditions de coupe du tableau sont indicatives. Pour votre

application, ajuster cette base en fonction de votre machine .4. Si le nombre de tours est insuffisant ajuster les avances dans la

même proportion que la rotation disponible .

II

III

IV

V

V

Tool Steel(25-35HRC)

Pre-hardenedsteel(35-45HRC)

Hardenedsteel(45-55HRC)

Hardenedsteel(55-65HRC)

Hardenedsteel(65-70HRC)

n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)

ap=0.06-0.08D

ae=0.3D

ap=0.06-0.08D

ae=0.3D

ap=0.06-0.08D

ae=0.3D

ap=0.06-0.08D

ae=0.3D

ap=0.05-0.06D

ae=0.25D

ap=0.05-0.06D

ae=0.25D

ap=0.03-0.04D

ae=0.25D

ap=0.03-0.04D

ae=0.25D

ap=0.02-0.03D

ae=0.2D

ap=0.02-0.03D

ae=0.2D

High Speed

General

High Speed

General

High Speed

General

High Speed

General

High Speed

General

RRoughing

Page 11: milling parametres

Recommended cutting conditions EPBT

11© 2007 Hitachi Tool Engineering Europe GmbH

Nano-PVD Technology

Finishing

Theoretical cusp height in end milling (µm) · Die theoretische Rautiefe in der Fräsbearbeitung (µm) Calculo de altura de la cresta teórica en fresado (mm) · Cresta teórica de fresado (µm) · Hauteur de crêtethéorique en fraisage (µm)

R (mm)

ae (mm)

0.05 0.075 0.1 0.15 0.2 0.3 0.4 0.50.5 0.63 1.41 2.51 5.66 10.10 23.03 41.74 66.991.0 0.31 0.70 1.25 2.82 5.01 11.31 20.20 31.752.0 0.16 0.35 0.63 1.41 2.50 5.63 10.03 15.693.0 0.10 0.23 0.42 0.94 1.67 3.75 6.67 10.434.0 0.08 0.18 0.31 0.70 1.25 2.81 5.00 7.825.0 0.06 0.14 0.25 0.56 1.00 2.25 4.00 6.256.0 0.05 0.12 0.21 0.47 0.83 1.88 3.33 5.218.0 0.04 0.09 0.16 0.35 0.63 1.41 2.50 3.91

10.0 0.03 0.07 0.13 0.28 0.50 1.13 2.0 3.13

Feed pitch and cusp height · ae (mm) Zeilensprung Paso y altura de cresta · Relación Paso / Cresta · Pas et hauteur de crête

FFinishing

Work piece Condition ap Cutting

material Range ae Condition

79,600 47,800 31,800 23,900 15,900 13,900 11,100 9,300250 300 300 300 300 350 350 350

7,960 5,740 4,450 4,300 3,500 3,340 2,890 2,6000.05 0.06 0.07 0.09 0.11 0.12 0.13 0.14

19,100 19,100 19,100 14,300 9,600 8,000 6,400 5,30060 120 180 180 180 200 200 200

1,910 2,290 2,670 2,570 2,110 1,920 1,660 1,4800.05 0.06 0.07 0.09 0.11 0.12 0.13 0.14

79,600 47,800 31,800 23,900 15,900 13,900 11,100 9,300250 300 300 300 300 350 350 350

7,960 5,740 4,450 4,300 3,500 3,340 2,890 2,6000.05 0.06 0.07 0.09 0.11 0.12 0.13 0.14

19,100 19,100 19,100 14,300 9,600 8,000 6,400 5,30060 120 180 180 180 200 200 200

1,910 2,290 2,670 2,570 2,110 1,920 1,660 1,4800.05 0.06 0.07 0.09 0.11 0.12 0.13 0.14

79,600 39,800 26,500 19,900 14,900 11,100 8,900 7,400250 250 250 250 280 280 280 280

6,370 3,980 3,180 3,180 3,280 2,660 2,310 2,0700.04 0.05 0.06 0.08 0.11 0.12 0.13 0.14

19,100 19,100 13,800 10,400 8,000 6,000 4,800 4,00060 120 130 130 150 150 150 150

1,530 1,910 1,660 1,660 1,760 1,440 1,250 1,1200.04 0.05 0.06 0.08 0.11 0.12 0.13 0.14

63,700 31,800 21,200 15,900 13,300 10,000 8,000 6,600200 200 200 200 250 250 250 250

3,820 3,180 2,540 2,540 2,660 2,200 1,920 1,7200.03 0.05 0.06 0.08 0.10 0.11 0.12 0.13

19,100 19,100 12,700 9,600 8,000 6,000 4,800 4,00060 120 120 120 150 150 150 150

1,150 1,910 1,520 1,540 1,600 1,320 1,150 1,0400.03 0.05 0.06 0.08 0.10 0.11 0.12 0.13

47,800 23,900 15,900 11,900 10,600 8,000 6,400 5,300150 150 150 150 200 200 200 200

2,870 2,390 1,910 1,900 2,120 1,760 1,540 1,3800.03 0.05 0.06 0.08 0.10 0.11 0.12 0.13

19,100 14,300 9,600 7,200 6,400 4,800 3,800 3,20060 90 90 90 120 120 120 120

1,150 1,430 1,150 1,150 1,280 1,060 910 8300.03 0.05 0.06 0.08 0.10 0.11 0.12 0.13

II

III

IV

V

V

Tool Steel(25-35HRC)

Pre-hardenedsteel(35-45HRC)

Hardenedsteel(45-55HRC)

Hardenedsteel(55-65HRC)

Hardenedsteel(65-70HRC)

n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)n (min-1)Vc (m/min)Vf (mm/min)fz (mm/tooth)

ap=0.05-0.1D

ae=0.02-0.06D

ap=0.05-0.1D

ae=0.02-0.06D

ap=0.05-0.1D

ae=0.02-0.06D

ap=0.05-0.1D

ae=0.02-0.06D

ap=0.05-0.08D

ae=0.02-0.04D

ap=0.05-0.08D

ae=0.02-0.04D

ap=0.04-0.06D

ae=0.02-0.04D

ap=0.04-0.06D

ae=0.02-0.04D

ap=0.02-0.04D

ae=0.02-0.03D

ap=0.02-0.04D

ae=0.02-0.03D

High Speed

General

High Speed

General

High Speed

General

High Speed

General

High Speed

General

Tool Radius (mm)

R0.5/Ø1 R1/Ø2 R1.5/Ø3 R2/Ø4 R3/Ø6 R4/Ø8 R5/Ø10 R6/Ø12

Page 12: milling parametres

HT

T26

5 07

07-E

PxT

B

W

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