CNC Gear Cutting Inconel

VT machining provides CNC Gear Cutting Inconel for customers who need accurate, repeatable Inconel components. Because Inconel is high-temperature strength and oxidation resistance, we adapt the process to suit — controlling the variables that matter for this alloy.

CNC Gear Cutting Inconel at VT machining
CNC Gear Cutting Inconel — produced in-house at VT machining

CNC Gear Cutting Capability for Inconel

  • Multiple gear types
  • Profile accuracy class
  • Custom modules
  • Hardened-blank ready

Inconel Material Data

Inconel — typical properties, quoted for Inconel 718 (aged)
Density8.19 g/cm³
Tensile strength1375 MPa
Yield strength (0.2%)1100 MPa
Hardness36–44 HRC
Melting point1260–1336 °C
Thermal conductivity11.4 W/m·K
Thermal expansion13.0 ×10⁻⁶/K
Electrical conductivity1.4%
Machinability (C36000 = 100%)12–15%
Grades we run600, 625, 718, X-750, 725

Published typical values for Inconel 718 (aged). Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining Inconel — what actually causes trouble

Tool life is measured in minutes, not hours. Ceramic or coated-carbide tooling, low surface speed, high pressure coolant, and a scheduled tool change rather than waiting for failure.

How CNC Gear Cutting Inconel Works

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

Every job begins from your CAD model or 2D drawing. Fixturing and tool paths are planned so the most critical dimensions are produced in the most rigid, repeatable setup. Critical dimensions are checked on the first part and monitored through the run.

Achievable Tolerances for CNC Gear Cutting Inconel

CNC Gear Cutting Inconel — 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.

Secondary Operations & Finishing

We complete Inconel components with the secondary steps your drawing calls for. We arrange heat treatment, surface treatment, marking and assembly as needed. Tell us the final spec and we will plan the full route so parts arrive ready to use.

CNC Gear Cutting 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.

Final tolerances are governed by the material's behaviour, wall thickness and overall stiffness. We give honest DFM feedback if a callout would be costly or better achieved another way.

Design Tips for CNC Gear Cutting Inconel

A few design choices make a real difference to cost and quality. Providing complete gear data (module, pressure angle, profile shift, quality class) lets us produce Inconel gears right the first time. If you send your model early, we will return practical DFM feedback before you commit to production.

Working with Inconel

Inconel offers a useful combination of properties: it is high-temperature strength and oxidation resistance. Those characteristics shape how we approach gear manufacturing — from tool and parameter selection to work-holding and coolant.

If your application is sensitive to alloy condition, we agree the specification in writing and document it. Stock is sourced from reputable suppliers so what you order is what you receive.

CNC Gear Cutting Quality & Inspection

Consistent quality comes from disciplined process control. Critical dimensions on Inconel parts are checked in-process and verified at final inspection using calibrated instruments and, where required, CMM measurement. Full documentation — dimensional reports, mill certs, FAIR — is available when your programme needs it.

Applications of CNC Gear Cutting Inconel

CNC Gear Cutting of Inconel supports parts across aerospace, medical, automotive, electronics, semiconductor, energy and general industrial sectors. We scale from one-off prototypes to ongoing production while holding the same quality.

How to Order CNC Gear Cutting Inconel

Ordering Inconel parts is straightforward. Provide the drawing, material, quantity and any certification needs. Our engineers reply — in English — with feasibility, pricing and a realistic lead time, usually within one business day.

Parts We Have Run in Inconel

Three representative CNC Gear Cutting Inconel 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.

Helical pinion

Material
Inconel
Size
m1.5, z18, 15° helix
Key callouts
DIN 6, lead deviation 0.008 mm
Batch
300 pcs

Ground after case hardening to 58 HRC at 0.6 mm case depth.

Splined shaft

Material
Inconel
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.

Bevel gear pair

Material
Inconel
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.

Finishing Options for Inconel

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.

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What We Need to Quote CNC Gear Cutting Inconel

  • 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 Inconel 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 Cutting

Other Processes for Inconel

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

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Frequently Asked Questions

What tolerances can you hold for CNC Gear Cutting Inconel?

Achievable tolerances for Inconel gear cutting depend on the alloy, geometry and feature size. We hold tight, repeatable tolerances appropriate to the feature and material. Exact figures are confirmed against your drawing callouts.

What is CNC Gear Cutting Inconel and how is it done?

CNC Gear Cutting Inconel refers to cNC gear cutting forms precise tooth profiles for spur, helical, bevel and worm gears. Applied to Inconel — high-temperature strength and oxidation resistance — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.

How clean are the edges produced by CNC Gear Cutting on Inconel?

Machined Inconel edges are clean and to specification; edge-break or deburring is added when your drawing calls for it.

Why is Inconel a good choice for CNC Gear Cutting?

Inconel is high-temperature strength and oxidation resistance, which makes it well suited to CNC Gear Cutting. We tune the process to the alloy so the finished Inconel gear cutting part meets your dimensional and functional requirements.

Does CNC Gear Cutting Inconel require dedicated tooling?

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

What is the typical lead time and minimum order for CNC Gear Cutting Inconel?

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