CNC 4-Axis Machining Titanium

CNC 4-Axis Machining Titanium from VT machining delivers precision Titanium parts produced to your exact drawing. Four-axis machining adds a rotary axis for indexed or continuous machining around a part, and we tune every parameter to the behaviour of Titanium, which is high strength-to-weight, biocompatible, corrosion resistant.

CNC 4-Axis Machining Titanium at VT machining
CNC 4-Axis Machining Titanium — produced in-house at VT machining

CNC 4-Axis Machining Capability for Titanium

  • Indexed & continuous 4th axis
  • Multi-face in one setup
  • Tolerance to ±0.01 mm
  • Rotary fixturing

Titanium Material Data

Titanium — typical properties, quoted for Ti-6Al-4V (Gr 5)
Density4.43 g/cm³
Tensile strength950 MPa
Yield strength (0.2%)880 MPa
Hardness334 HB / 36 HRC
Melting point1604–1660 °C
Thermal conductivity6.7 W/m·K
Thermal expansion8.6 ×10⁻⁶/K
Electrical conductivity3.1%
Machinability (C36000 = 100%)22%
Grades we runGr 1, Gr 2 (CP), Gr 5 Ti-6Al-4V, Gr 23 ELI, Gr 7, Gr 9

Published typical values for Ti-6Al-4V (Gr 5). Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining Titanium — what actually causes trouble

Heat has nowhere to go — thermal conductivity is 1/25th of aluminium, so it all goes into the tool. Low surface speed, heavy feed, flood coolant, and the cutter never stops moving.

How CNC 4-Axis Machining Titanium Works

Rotating multi-flute cutters remove material as the Titanium workpiece is driven through programmed tool paths on 3-, 4- or 5-axis machining centres. Climb milling, step-over and depth-of-cut are set so chip load stays in the ideal band for the alloy.

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 4-Axis Machining Titanium

CNC 4-Axis Machining Titanium — achievable tolerances
FeatureStandardPrecision
Linear dimension (< 100 mm)±0.05 mm±0.010 mm
Linear dimension (100–300 mm)±0.10 mm±0.025 mm
Hole diameter (reamed)H9H7
True position of hole pattern±0.10 mm±0.025 mm
Flatness over 100 mm0.05 mm0.015 mm
Perpendicularity0.10 mm0.020 mm
Surface finish, as machinedRa 1.6 µmRa 0.4 µm

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.

CNC 4-Axis Machining Tolerances & Surface Finish

For CNC 4-Axis Machining, dimensional and positional tolerances around ±0.01 mm are routine, tightening toward ±0.005 mm on precision setups. Surface finish on machined faces typically falls in the Ra 0.4–1.6 µm range depending on tooling and pass strategy.

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.

Secondary Operations & Finishing

We complete Titanium 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.

Design Tips for CNC 4-Axis Machining Titanium

A few design choices make a real difference to cost and quality. Generous internal radii, sensible pocket depth-to-width ratios and avoiding very thin unsupported walls all reduce cost and improve accuracy in Titanium. If you send your model early, we will return practical DFM feedback before you commit to production.

Working with Titanium

Titanium offers a useful combination of properties: it is high strength-to-weight, biocompatible, corrosion resistant. Those characteristics shape how we approach milling — 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 4-Axis Machining Quality & Inspection

Consistent quality comes from disciplined process control. Critical dimensions on Titanium 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 4-Axis Machining Titanium

CNC 4-Axis Machining of Titanium 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 4-Axis Machining Titanium

Ordering Titanium 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 Titanium

Three representative CNC 4-Axis Machining Titanium 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.

Robot end-effector bracket

Material
Titanium
Size
180 × 90 × 30 mm
Key callouts
Bore pair concentric within 0.02 mm, weight reduction pockets
Batch
120 pcs

Pockets ganged so wall thickness never drops below 2 mm at the load path.

Sensor housing

Material
Titanium
Size
86 × 54 × 22 mm
Key callouts
Pocket depth ±0.02 mm, bore H7, flatness 0.015 mm
Batch
250 pcs / quarter

O-ring groove finished in the same setup as the sealing face so the two stay parallel.

Optical mount plate

Material
Titanium
Size
160 × 160 × 12 mm
Key callouts
Hole pattern true position ±0.02 mm, flatness 0.01 mm
Batch
40 pcs

Roughed, stress-relieved overnight, then finished — the plate is too thin to hold flatness in one hit.

Finishing Options for Titanium

Finishing options available with this material
FinishThickness / effectWhy it gets specified
Type II anodiseColour coding, biocompatible
Type III anodiseAnti-galling for threaded and sliding parts
PassivationASTM F86 for implant-grade parts
Electropolish5–20 µm removedRemoves the machining layer for medical use
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 4-Axis Machining Titanium

  • 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 Titanium 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 4-Axis Machining

Other Processes for Titanium

Send the drawing, the Titanium 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 is CNC 4-Axis Machining Titanium and how is it done?

CNC 4-Axis Machining Titanium refers to four-axis machining adds a rotary axis for indexed or continuous machining around a part. Applied to Titanium — high strength-to-weight, biocompatible, corrosion resistant — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.

What material thickness or size range suits CNC 4-Axis Machining Titanium?

We machine Titanium across a broad size range; share your part envelope for confirmation.

Which industries use CNC 4-Axis Machining Titanium parts?

CNC 4-Axis Machining Titanium parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise Titanium components are required.

What surface finish is achievable on Titanium with CNC 4-Axis Machining?

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

Does CNC 4-Axis Machining Titanium require dedicated tooling?

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

Can VT machining make custom Titanium parts to my drawing?

Yes. Titanium Titanium machining 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.