CNC Gear Hobbing Cr12MoV Tool Steel

CNC Gear Hobbing Cr12MoV Tool Steel is part of VT machining's grade-specific capability. Cr12MoV Tool Steel is wear-resistant and hardenable for tooling, and we combine controlled gear cutting with material-aware setup to produce parts that meet your specification.

CNC Gear Hobbing Capability for Cr12MoV Tool Steel

  • Air/oil/water-hardening grades
  • High wear resistance
  • Hardenable to 58–64 HRC
  • Tolerance to ±0.005 mm

Cr12MoV Tool Steel Material Data

Cr12MoV Tool Steel — 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 Cr12MoV Tool Steel — 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 Cr12MoV Tool Steel with CNC Gear Hobbing

The machinability of Cr12MoV Tool Steel is machined in the annealed state, then hardened; carbide tooling preferred. For CNC Gear Hobbing we select tooling, feeds, speeds and coolant to match, keeping the Cr12MoV Tool Steel workpiece stable and the result accurate.

Because we machine Cr12MoV Tool Steel regularly, proven settings shorten setup and keep quality repeatable across reorders.

Achievable Tolerances for CNC Gear Hobbing Cr12MoV Tool Steel

CNC Gear Hobbing Cr12MoV Tool Steel — 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.

Why Cr12MoV Tool Steel?

Specifying Cr12MoV Tool Steel for CNC Gear Hobbing Cr12MoV Tool Steel is usually about its properties: wear-resistant and hardenable for tooling. Tell us the condition you need and we machine to it.

CNC Gear Hobbing Quality & Inspection

Consistent quality comes from disciplined process control. Critical dimensions on Cr12MoV Tool Steel 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.

Secondary Operations & Finishing

We complete Cr12MoV Tool Steel 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 Hobbing 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.

The tightest tolerances are reserved for the features your drawing flags as critical. Share your tolerance scheme and we will confirm what is realistic before quoting.

Design Tips for CNC Gear Hobbing Cr12MoV Tool Steel

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 Cr12MoV Tool Steel 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 Hobbing Cr12MoV Tool Steel

CNC Gear Hobbing of Cr12MoV Tool Steel 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 Hobbing Cr12MoV Tool Steel

Ordering Cr12MoV Tool Steel 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.

Finishing Options for Cr12MoV Tool Steel

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 marking—Part number, lot code, data matrix
Free — no sign-up

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 Hobbing Cr12MoV Tool Steel

  • 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 Cr12MoV Tool Steel 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.

Cr12MoV Tool Steel in Other Processes

Related

Send the drawing, the Cr12MoV Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.

Request a Quote

Frequently Asked Questions

What surface finish is achievable on Cr12MoV Tool Steel with CNC Gear Hobbing?

Surface finish on Cr12MoV Tool Steel is controlled to your specification; we confirm the achievable Ra against your callout.

What is CNC Gear Hobbing Cr12MoV Tool Steel and how is it done?

CNC Gear Hobbing Cr12MoV Tool Steel refers to gear hobbing generates gear teeth with a rotating hob synchronized to the workpiece. Applied to Cr12MoV Tool Steel — wear-resistant and hardenable for tooling — 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 Hobbing on Cr12MoV Tool Steel?

Machined Cr12MoV Tool Steel edges are clean and to specification; edge-break or deburring is added when your drawing calls for it.

Which industries use CNC Gear Hobbing Cr12MoV Tool Steel parts?

CNC Gear Hobbing Cr12MoV Tool Steel parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise Cr12MoV Tool Steel components are required.

What gear accuracy class can you achieve on Cr12MoV Tool Steel?

Gear accuracy is specified to DIN/AGMA classes appropriate to the application. Profile and lead are controlled so Cr12MoV Tool Steel gears run accurately and quietly under load.

What tolerances can you hold for CNC Gear Hobbing Cr12MoV Tool Steel?

Achievable tolerances for Cr12MoV Tool Steel 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.