CNC Gear Grinding Molybdenum

Looking for reliable CNC Gear Grinding Molybdenum? VT machining manufactures Molybdenum parts to tight tolerances and consistent quality. Molybdenum is very high melting point and thermal stability, so the process is set up specifically for the material.

CNC Gear Grinding Molybdenum at VT machining
CNC Gear Grinding Molybdenum — produced in-house at VT machining

CNC Gear Grinding Capability for Molybdenum

  • DIN/AGMA accuracy class
  • Profile & lead correction
  • Hardened-gear finishing
  • Low transmission noise

Molybdenum Material Data

Molybdenum — typical properties, quoted for Pure Mo / TZM
Density10.22 g/cm³
Tensile strength550–900 MPa
Yield strength (0.2%)480 MPa
Hardness200–250 HV
Melting point2623 °C
Thermal conductivity138 W/m·K
Thermal expansion4.8 ×10⁻⁶/K
Electrical conductivity34%
Machinability (C36000 = 100%)30%
Grades we runPure Mo (99.95%), TZM, Mo-La, MoCu

Published typical values for Pure Mo / TZM. Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining Molybdenum — what actually causes trouble

Below its ductile-to-brittle transition it chips rather than cuts. Sharp corners get a radius, and thin sections are wire-EDM cut instead of milled.

How CNC Gear Grinding Molybdenum Works

Tooth profiles are generated in the Molybdenum blank by a synchronised cutter, then refined to the required accuracy class. Module, pressure angle and helix are programmed from your gear data.

Programming is driven directly by your 3D model or print. Work-holding, tool selection and the cutting strategy are planned around the critical features and the material before the first chip is cut. First-off inspection confirms the process is centred before production continues.

Achievable Tolerances for CNC Gear Grinding Molybdenum

CNC Gear Grinding Molybdenum — achievable tolerances
FeatureStandardPrecision
Accuracy classDIN 8 / AGMA 10DIN 6 / AGMA 12
Profile deviation0.020 mm0.008 mm
Lead deviation0.020 mm0.008 mm
Pitch deviation (cumulative)0.040 mm0.015 mm
Runout0.030 mm0.010 mm
Tooth surface finishRa 1.6 µmRa 0.4 µm (ground)
Module rangem0.5–m8m1–m6

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.

Working with Molybdenum

As a material, Molybdenum is very high melting point and thermal stability. Our setup reflects the alloy's machinability so the finished part is accurate and free of avoidable defects.

We verify the exact grade and condition before machining, and traceable mill certs are available on request. We can work to your nominated material source or specification when required.

CNC Gear Grinding Quality & Inspection

We control quality throughout the process, not just at the end. In-process checks plus final inspection — including CMM where specified — keep every Molybdenum part to print. Inspection reports, material certificates and first-article documentation can be supplied on request.

Secondary Operations & Finishing

Finished Molybdenum parts can move straight into secondary operations under one roof. Typical add-ons are deburring, passivation, anodising, plating, blasting, polishing and laser marking. We coordinate the whole chain so you receive complete, inspection-ready parts.

CNC Gear Grinding Tolerances & Surface Finish

Gear features are produced to a specified DIN/AGMA accuracy class, with profile and lead controlled for quiet, durable running under load.

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.

Design Tips for CNC Gear Grinding Molybdenum

We are happy to suggest design tweaks that improve manufacturability. Providing complete gear data (module, pressure angle, profile shift, quality class) lets us produce Molybdenum gears right the first time. If you send your model early, we will return practical DFM feedback before you commit to production.

Applications of CNC Gear Grinding Molybdenum

Customers order CNC Gear Grinding Molybdenum components for everything from instrumentation to structural and functional assemblies. Whether you need a single prototype or recurring production volume, the same process discipline applies.

How to Order CNC Gear Grinding Molybdenum

Getting a quote is simple. Share your model, the material grade, your quantity and target tolerances. You receive a clear quotation with lead time and honest manufacturability feedback.

Parts We Have Run in Molybdenum

Three representative CNC Gear Grinding Molybdenum jobs, with the callouts that actually drove the process plan. Yours will differ — these are here so you can judge whether your part is in our range before you spend time on an RFQ.

Spur gear

Material
Molybdenum
Size
m2, z40, 20° PA, face 20 mm
Key callouts
DIN 7, runout 0.02 mm
Batch
500 pcs

Hobbed, hardened, then hard-finished; skipping the finish pass costs a full accuracy class.

Bevel gear pair

Material
Molybdenum
Size
m2, z20/z40, 90° axes
Key callouts
DIN 8, mounting distance ±0.03 mm
Batch
200 sets

Contact pattern checked on a rolling tester before release.

Splined shaft

Material
Molybdenum
Size
DIN 5480, 26 × 1.5
Key callouts
Fit class H7/g6, runout 0.02 mm
Batch
800 pcs

Spline hobbed with the journals ground afterwards on the same centres.

Finishing Options for Molybdenum

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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No drawing yet? Build one in the browser.

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.

Open the 3D + 2D Builder

What We Need to Quote CNC Gear Grinding Molybdenum

  • 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 Molybdenum 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.

Other Metals for CNC Gear Grinding

Other Processes for Molybdenum

Send the drawing, the Molybdenum grade and the quantity. You get pricing, lead time and any DFM notes back — usually within one business day.

Request a Quote

Frequently Asked Questions

What is the typical lead time and minimum order for CNC Gear Grinding Molybdenum?

CNC Gear Grinding prototypes for Molybdenum can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.

Why is Molybdenum a good choice for CNC Gear Grinding?

Molybdenum is very high melting point and thermal stability, which makes it well suited to CNC Gear Grinding. We tune the process to the alloy so the finished Molybdenum gear cutting part meets your dimensional and functional requirements.

Can VT machining make custom Molybdenum parts to my drawing?

Yes. Molybdenum Molybdenum gear cutting 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 Gear Grinding Molybdenum and how is it done?

CNC Gear Grinding Molybdenum refers to gear grinding finishes hardened gear teeth to high accuracy class for quiet, durable transmission. Applied to Molybdenum — very high melting point and thermal stability — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.

Does CNC Gear Grinding Molybdenum require dedicated tooling?

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