CNC Centerless Grinding Tungsten Carbide

CNC Centerless Grinding Tungsten Carbide is part of VT machining's grade-specific capability. Tungsten Carbide is extreme hardness for tooling and wear parts, and we combine controlled grinding with material-aware setup to produce parts that meet your specification.

CNC Centerless Grinding Capability for Tungsten Carbide

  • Extreme hardness (HRA 89–94)
  • Ground/EDM only
  • Wear-resistant
  • Tooling & dies

Tungsten Carbide Material Data

Tungsten Carbide — typical properties, quoted for WC-Co (YG8 / K20)
Density14.5 g/cm³
Tensile strength2000–3500 (TRS) MPa
Yield strength (0.2%)
Hardness88–93 HRA / 1300–1800 HV
Melting point2870 (WC) °C
Thermal conductivity70–100 W/m·K
Thermal expansion5.0 ×10⁻⁶/K
Electrical conductivity10%
Machinability (C36000 = 100%)grind / EDM only
Grades we runYG6, YG8, YG15 (K10–K30), D2, H13, M2, SKD11

Published typical values for WC-Co (YG8 / K20). Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining Tungsten Carbide — what actually causes trouble

Everything is done by grinding, wire EDM or sinker EDM. Design in a small corner radius wherever possible — a true sharp internal corner doubles the EDM time.

Machining Tungsten Carbide with CNC Centerless Grinding

When grinding Tungsten Carbide, machinability is machined almost exclusively by grinding and EDM. Our process plan reflects this so the finished part holds its tolerances without distortion or poor finish.

Documented parameters for Tungsten Carbide mean predictable cycle times and stable, repeatable results.

Achievable Tolerances for CNC Centerless Grinding Tungsten Carbide

CNC Centerless Grinding Tungsten Carbide — achievable tolerances
FeatureStandardPrecision
Size (OD, ID, thickness)±0.005 mm±0.002 mm
Flatness over 100 mm0.010 mm0.003 mm
Parallelism0.010 mm0.003 mm
Roundness0.005 mm0.002 mm
Squareness0.010 mm0.005 mm
Surface finishRa 0.4 µmRa 0.1 µm
Workpiece hardnessup to 62 HRCup to 65 HRC

Standard is what a normal quotation assumes. Precision is available on nominated features and is priced separately, because it needs extra setups, in-process gauging and CMM verification. Call out only the features that need it — blanket-tightening a drawing is the single most common reason a quote comes back expensive.

Design Tips for CNC Centerless Grinding Tungsten Carbide

Small design adjustments often cut cost and lead time. Allowing adequate grind stock, specifying realistic flatness over the true datum, and relieving corners help us hit tight tolerances on Tungsten Carbide efficiently. If you send your model early, we will return practical DFM feedback before you commit to production.

CNC Centerless Grinding Quality & Inspection

Quality is built in, not inspected on. We monitor key features during the run and confirm them at final inspection, with CMM verification available for tight tolerances. We provide the inspection and traceability records your quality system requires.

Why Tungsten Carbide?

Customers select Tungsten Carbide for CNC Centerless Grinding because it is extreme hardness for tooling and wear parts. We handle grade verification and any required heat treatment or finishing.

CNC Centerless Grinding Tolerances & Surface Finish

Ground Tungsten Carbide reaches single-micron tolerances on size, flatness and parallelism, with surface finishes down to Ra 0.1–0.4 µm — and a near-mirror finish on suitable alloys.

Exact achievable figures depend on the alloy, the feature size and the part geometry. Tell us which dimensions are critical and we will advise feasibility up front.

Secondary Operations & Finishing

Most Tungsten Carbide parts need some finishing, which we manage in-house or through vetted partners. Options include deburring and edge-breaking, heat treatment, surface grinding, polishing, and plating or anodising for corrosion resistance and appearance. Give us the finished-part requirement and we will sequence every operation correctly.

Applications of CNC Centerless Grinding Tungsten Carbide

Tungsten Carbide parts made this way are found throughout aerospace, medical, automotive, electronics and industrial equipment. Prototype, bridge and production volumes are all welcome.

How to Order CNC Centerless Grinding Tungsten Carbide

Starting your project takes one email. Send your CAD or 2D drawing, the Tungsten Carbide grade and condition, the quantity and any finish or inspection requirements. We respond quickly with price, lead time and any DFM notes, in clear English.

Finishing Options for Tungsten Carbide

Finishing options available with this material
FinishThickness / effectWhy it gets specified
Deburr / edge break0.05–0.3 mmAll parts unless the drawing says otherwise
Bead blastRa 1.6–3.2 µmUniform matt finish, hides tool marks
Laser markingPart number, lot code, data matrix
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Set the metal, dimensions and features, watch the 3D model update as you type, then switch to the 2D sheet to add dimensions and tolerances. Download it or send it straight to us with your RFQ.

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What We Need to Quote CNC Centerless Grinding Tungsten Carbide

  • GeometrySTEP or IGES for the 3D model, plus a PDF drawing if you have tolerance callouts. A dimensioned sketch is enough to start.
  • MaterialThe exact Tungsten Carbide grade and condition — temper, heat-treat state or hardness. If you are not sure, tell us the function and we will suggest one.
  • QuantityPrototype count and the expected annual volume. Both change how the part is made and therefore what it costs.
  • TolerancesWhich features are critical. Everything else runs to our standard tolerance, which is what keeps the price sensible.
  • FinishSurface treatment, cosmetic requirements, and any faces that must be masked.
  • DocumentsWhether you need a material certificate, dimensional report, FAIR or PPAP with the shipment.

Missing something from the list is not a problem — send what you have. We will come back with the specific questions rather than a generic form.

Tungsten Carbide in Other Processes

Related

Send the drawing, the Tungsten Carbide condition and the quantity — pricing and lead time come back the same or next business day.

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Frequently Asked Questions

What surface finish is achievable on Tungsten Carbide with CNC Centerless Grinding?

Grinding can take Tungsten Carbide to a fine finish — typically Ra 0.1–0.4 µm, and to a mirror grade on suitable alloys.

Can VT machining make custom Tungsten Carbide parts to my drawing?

Yes. Tungsten Carbide Tungsten Carbide grinding is made to order from your CAD/2D drawing. Share your geometry, material grade, tolerance and quantity and we will confirm feasibility, lead time and pricing.

What is CNC Centerless Grinding Tungsten Carbide and how is it done?

CNC Centerless Grinding Tungsten Carbide refers to centerless grinding supports the workpiece on a blade between wheels for high-throughput OD finishing. Applied to Tungsten Carbide — extreme hardness for tooling and wear parts — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.

Does CNC Centerless Grinding Tungsten Carbide require dedicated tooling?

Most Tungsten Carbide grinding work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.