Plaquettes en carbure monobloc

Vue d'ensemble Plaquettes en carbure monobloc

If you’re into metalworking or machining, you’ve likely come across solid carbide inserts. These tiny yet mighty tools are essential for cutting and shaping metals with precision and efficiency. But what exactly makes them so special? Let’s dive into the world of solid carbide inserts, exploring their types, applications, properties, and everything in between.

Solid carbide inserts are renowned for their durability and ability to withstand high temperatures, making them indispensable in various industrial applications. They’re crafted from a composite material that includes fine particles of carbide, usually tungsten, held together by a metallic binder, typically cobalt. This combination results in a tool that’s incredibly hard and wear-resistant.

Types de Plaquettes en carbure monobloc

Carbide inserts come in various shapes and sizes, each tailored for specific tasks. Here’s a detailed table to help you understand the different types of solid carbide inserts:

Type d'insertionFormeApplicationCaractéristiques
CNMGRhomboidGeneral turningVersatile, 4 cutting edges
TNMGTriangleHeavy turning6 cutting edges, robust
DNMGDiamantPrecision turning4 cutting edges, high precision
VNMGV-shapeFinition soignée2 cutting edges, great for finishing
SNMGCarréDégrossissage8 cutting edges, excellent for roughing
WNMGTrigonSemi-finishing6 cutting edges, good balance
CCMTCarréLight turningPositive rake, low cutting forces
DCMTDiamantCopy turningHigh precision, fine finish
TCMTTriangleLight finishingPositive rake, low cutting forces
SCMTCarréUsinage généralSturdy, versatile
solid carbide inserts

Applications of Solid Carbide Inserts

Solid carbide inserts are used in a variety of industries, from automotive to aerospace. Below is a table summarizing their applications:

L'industrieApplicationDescription
AutomobileComposants du moteurPrecision machining of pistons, gears
AérospatialeTurbine bladesRésistance aux hautes températures
MédicalSurgical instrumentsPrecise and clean cuts
Pétrole et gazOutils de forageDurable and wear-resistant
ÉlectroniquePCB manufacturingFine and precise cutting
Ingénierie généraleMoules et matricesVersatile and robust

Material Properties of Solid Carbide Inserts

Understanding the material properties of solid carbide inserts is crucial for selecting the right one for your needs. Here’s a detailed table:

PropriétéDescriptionPlage de valeurs
DuretéRésistance à la déformation90-94 HRA
SoliditéResistance to fractureHaut
Résistance à l'usureResistance to abrasionExcellent
Conductivité thermiqueCapacité à conduire la chaleur70-100 W/m.K
DensitéMasse par unité de volume14,0-15,5 g/cm³

Composition et caractéristiques

The composition and characteristics of solid carbide inserts are critical for their performance. Here’s a table summarizing these aspects:

ÉlémentPourcentageRôle
Carbure de tungstène (WC)70-97%Apporte de la dureté
Cobalt (Co)3-30%Agit comme un liant
Carbure de titane (TiC)0-25%Increases toughness
Carbure de tantale (TaC)0-15%Enhances wear resistance
Carbure de niobium (NbC)0-15%Improves thermal stability

Dureté, solidité et résistance à l'usure

Carbide inserts need to balance hardness, strength, and wear resistance. Here’s a comparative table:

ParamètresDescriptionValeur typique
DuretéResistance to indentation90-94 HRA
Résistance à la compressionResistance to compression5000-7000 MPa
Résistance à l'usureResistance to material lossExcellent

Spécifications, tailles, formes et normes

The specifications of solid carbide inserts can vary widely. Here’s a detailed table to guide you:

SpécificationsTailleFormeStandard
ISO InsertsDiversDiversISO 1832
ANSI InsertsDiversDiversANSI B212
DIN InsertsDiversDiversDIN 4987
JIS InsertsDiversDiversJIS B 4130

Fournisseurs et détails des prix

When it comes to purchasing solid carbide inserts, knowing the suppliers and pricing can help you make an informed decision. Here’s a table with details:

FournisseurLocalisationFourchette de prixNotes
Sandvik CoromantMondial$10-$50 per insertHigh quality
KennametalMondial$15-$60 per insertDurable
Matériaux MitsubishiMondial$12-$55 per insertReliable
Outils SecoMondial$10-$50 per insertPolyvalent
Walter AGMondial$14-$58 per insertPrécision

Selecting the Right Solid Carbide Inserts

Choosing the right carbide insert can be tricky. Here’s a table to help you make the best choice:

CritèresConsidérationsRecommended Inserts
Matériau DuretéHarder materials require tougher insertsCNMG, TNMG
Finition de la surfaceFor fine finishes, use inserts with positive rake anglesVNMG, DCMT
Vitesse de coupeHigh-speed operations need inserts with high wear resistanceCNMG, SNMG
Machine TypeEnsure compatibility with your machine toolCCMT, TCMT
ApplicationSpecific tasks require specific insert shapesDNMG, WNMG

Advantages and Limitations of Solid Carbide Inserts

Solid carbide inserts have their pros and cons. Here’s a comparative table:

AspectAvantagesLimites
DuretéExcellente résistance à l'usureBrittle, prone to chipping
TempératureHaute stabilité thermiqueCan be costly
PolyvalenceSuitable for various materialsNécessite une manipulation précise
Life SpanLong-lasting compared to HSSInitial cost is higher
solid carbide inserts

FAQ

Quels sont les solid carbide inserts made of Composition?

Solid carbide inserts are primarily made of tungsten carbide, cobalt, and sometimes other carbides like titanium, tantalum, or niobium.

Comment choisir la bonne plaquette carbure ?

Consider factors like the material you’re cutting, the required surface finish, cutting speed, and your machine type. Refer to our selection table for detailed guidance.

Why are carbide inserts so expensive?

The high cost is due to the materials used (like tungsten and cobalt) and the precision manufacturing processes involved.

Les plaquettes en carbure peuvent-elles être réutilisées ?

Yes, carbide inserts can often be indexed (rotated) to use multiple cutting edges before they need to be replaced.

What are the common shapes of carbide inserts?

Common shapes include square, triangle, rhomboid, diamond, and V-shape, each suited for specific applications.

How do carbide inserts improve machining efficiency?

They provide precise, clean cuts, withstand high temperatures, and have longer tool life, reducing downtime and increasing productivity.

Conclusion

Solid carbide inserts are a cornerstone of modern machining, offering unmatched durability, precision, and versatility. From their composition to their applications across various industries, understanding these tools can significantly impact your machining processes. With the right selection and application, carbide inserts can enhance efficiency, reduce costs, and improve product quality. So next time you’re gearing up for a project, remember the tiny tool that packs a powerful punch – the solid carbide insert.

en savoir plus Carbure de tungstène

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