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Plaquettes et nuances de tournage pour les aciers trempés

CB7125

​This CBN grade is your first choice for case and induction hardened steels. With its medium content of boron nitride, it is suitable for light to medium interrupted cuts.

Benefits and f​eatures​

  • PVD coating with good fracture resistance
  • Stable and predictable tool life
  • Efficient machining with good surface finish

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Pour obtenir de bons états de surface en tournage dur

Le tournage dur s'est avéré capable de réduire les temps d'usinage et les coûts de plus de 70 %.

Trouvez votre solution pour le tournage dur

Quels que soient la forme de vos pièces et vos besoins en matière d'états de surface, vous pourrez obtenir une productivité élevée et une qualité exceptionnelle avec nos solutions pour le tournage dur.

CBN insert with integral chip breaker

Increase productivity with a single cut strategy for hard-to-soft rough machining of automotive components such as gears, crown wheels, shafts and case-hardened components.

What’s new?

CB7125 and CB7135

The new generation CBN grades CB7125 and CB7135 are designed to break new ground in medium to heavy interrupted hard part turning. The grades are optimized to handle high surface and dimensional tolerance demands in the most efficient way.

Benefits

  • Longer and more stable and consistent tool life​
  • Efficient and secure machining with good surface finish
  • Consistent dimensional tolerances​
  • Lower cost per part when aiming for one-cut strategy at high speed
  • New PVD coating of CB7125 for improved wear resistance

Learn More


CB7125 and CB7135 inserts

Find your grade

Our hardened material insert grade assortment consists of CVD- and PVD-coated carbide and ceramic grades for various machining conditions. Use the information below to find the right grade for your production.



Application area
Machining conditions:

Good

Average

Difficult

Application area
Machining conditions:

Good

Average

Difficult



CB7105

First-choice CBN grade for low feed and continuous cuts in stable conditions at highest speed in case and induction hardened steel.

CoroTurn® 107: First choice for external and internal machining of small and slender components.

CoroTurn® TR: Extremely stable system that avoids micro-vibrations.

T-Max® P: First choice for general turning from small components to heavy machining.

See complete assortment

CB7115

First-choice CBN grade for high feed and/ or depth of cut in continuous to light interrupted cuts at high speed in case and induction hardened steels.

CoroTurn® 10​7: First choice for external and internal machining of small and slender components.

CoroTurn® TR: Most stable system to avoid micro vibrations.

T-Max® P: First choice for general turning from small components to heavy machining.

CoroTurn® 1-2: For highest productivity and close surface finish tolerances.

See complete assortment

CB7125

First-choice CBN grade designed to deliver stable and predictable tool life while machining case and induction hardened steels with light to medium interrupted cuts (chamfered component edges).

CoroTurn® 107: First choice for external and internal machining of small and slender components.

CoroTurn® TR: Most stable system to avoid micro vibrations.

T-Max® P: First choice for general turning from small components to heavy machining.

See complete assortment

CB7135

First-choice CBN grade designed to deliver stable and predictable tool life while machining case and induction hardened steels with heavy interrupted cuts (un-chamfered component edges).

CoroTurn® 107: First choice for external and internal machining of small and slender components.

CoroTurn® TR: Most stable system to avoid micro vibrations.

T-Max® P: First choice for general turning from small components to heavy machining.

See complete assortment

CB7015

CBN grade with low CBN content. Use in continuous cuts to light interrupted at high speed in case and induction hardened steels.

CoroTurn® 107: First choice for external and internal machining of small and slender components.

CoroTurn® TR: Extremely stable system that avoids micro-vibrations.

T-Max® P: First choice for general turning from small components to heavy machining.

See complete assortment

CB7025

CBN grade for medium to light interruptions and continuous cuts at medium speeds in case and induction hardened steels.

CoroTurn® 107: First choice for external and internal machining of small and slender components.

CoroTurn® TR: Extremely stable system that avoids micro-vibrations.

T-Max® P: First choice for general turning from small components to heavy machining.

See complete assortment

CB7525

CBN grade for heavy interrupted cuts at low to medium speed in case and induction hardened steel.

CoroTurn® 107: First choice for external and internal machining of small and slender components.

T-Max® P: First choice for general turning from small components to heavy machining.

See complete assortment

CB7925

Solid CBN grade originally designed for high alloyed cast iron but also works as a complement in hardened steels with bigger depth of cut or higher feed at low to medium speed.

T-Max®: For productive turning of difficult to machine materials

See complete assortment

Complementary grades

CC670

​Whisker-reinforced SiAlON-based ceramic with excellent bulk toughness, recommended for hardened steel under unfavourable conditions.

View complete assortment

CC6050

​Mixed Al2O3-based ceramic with good thermal properties and wear resistance, primarily recommended for light to continuous finishing.

View complete assor​tment

GC4305

​CVD-coated carbide grade for medium to roughing applications with continuous cuts at low speeds in hardened materials.

View complete assortment

GC4315

​CVD-coated carbide grade for finishing to roughing in applications with continuous cut to light intermittence in hardened materials.

View complete assortment

H13A

​Uncoated carbide grade that combines good abrasive wear resistance and toughness for turning hardened materials at low speed.​

View complete assortment

Highlights

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Tournage dur avec CB7105 et CB7115

Les nouvelles nuances sont basées sur un matériau à base de nitrure de bore cubique (CBN) de dernière génération. Ce matériau améliore la résistance à l'usure en cratère et à la rupture à grande vitesse de coupe dans les matières cémentées et trempées par induction.

Avez-vous des difficultés à trouver le bon outil pour votre application ?

Le guide CoroPlus® ToolGuide vous fournit des recommandations rapides et précises ; il fonctionne sur tous les ordinateurs, smartphones et tablettes !

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Hard part turning with CB7125 and CB7135

New generation CBN grades optimized for medium to heavy interrupted cuts. These grades deliver longer and more stable tool life, good surface finish and consistent dimensional tolerances, even at higher cutting parameters.

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