CNC Polishing Titanium

CNC Polishing Titanium from VT machining delivers precision Titanium parts produced to your exact drawing. CNC polishing refines surfaces to a smooth, reflective finish for cosmetic and functional needs, and we tune every parameter to the behaviour of Titanium, which is high strength-to-weight, biocompatible, corrosion resistant.

CNC Polishing Titanium at VT machining
CNC Polishing Titanium — produced in-house at VT machining

CNC Polishing Capability for Titanium

  • Mirror finish capable
  • Ra to 0.05 µm
  • Cosmetic & sealing faces
  • Multi-stage abrasives

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 Polishing Titanium Works

Abrasive media or tooling refine the Titanium surface in controlled stages, removing the previous step's marks until the target roughness and edge condition are reached.

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 Polishing Titanium

CNC Polishing Titanium — achievable tolerances
FeatureStandardPrecision
Surface roughnessRa 0.8 µmRa 0.05 µm
Edge break0.1–0.3 mm0.05 ±0.02 mm
Material removed0.02 mm0.005 mm
Bore roundness after honing0.005 mm0.002 mm
Cross-hatch angle45° ±10°45° ±5°
Cosmetic gradeuniform satinmirror, no visible lines
Masking of datum faceson requeststandard

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 Titanium

Titanium offers a useful combination of properties: it is high strength-to-weight, biocompatible, corrosion resistant. Those characteristics shape how we approach finishing — 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 Polishing Tolerances & Surface Finish

Finishing brings Titanium to a defined roughness target — from a uniform satin to Ra values as low as 0.05 µm — with controlled, repeatable edge breaks.

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 Polishing Titanium

A few design choices make a real difference to cost and quality. Telling us the target Ra, the cosmetic faces and any masking needs lets us finish Titanium efficiently without over-processing. If you send your model early, we will return practical DFM feedback before you commit to production.

CNC Polishing 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.

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.

Applications of CNC Polishing Titanium

CNC Polishing 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 Polishing 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 Polishing 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.

Deburred stamping

Material
Titanium
Size
40 × 25 × 1 mm
Key callouts
Edge break 0.05–0.15 mm, no sharp edges
Batch
30,000 pcs

Vibratory finished in media sized to reach every internal cutout.

Cosmetic housing

Material
Titanium
Size
150 × 90 mm visible face
Key callouts
Uniform satin, no directional lines
Batch
2,500 pcs

Grained in one direction with datum faces masked so they keep their tolerance.

Mirror-polished insert

Material
Titanium
Size
80 × 50 mm cavity
Key callouts
Ra 0.05 µm, SPI A2
Batch
60 pcs

Polished in five abrasive stages; skipping one leaves scratches the next cannot remove.

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 Polishing 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 Polishing

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.

Request a Quote

Frequently Asked Questions

What is the typical lead time and minimum order for CNC Polishing Titanium?

CNC Polishing prototypes for Titanium 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 Titanium a good choice for CNC Polishing?

Titanium is high strength-to-weight, biocompatible, corrosion resistant, which makes it well suited to CNC Polishing. We tune the process to the alloy so the finished Titanium finishing part meets your dimensional and functional requirements.

What tolerances can you hold for CNC Polishing Titanium?

Achievable tolerances for Titanium finishing 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.

Which industries use CNC Polishing Titanium parts?

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

Does CNC Polishing Titanium require dedicated tooling?

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

How clean are the edges produced by CNC Polishing on Titanium?

Our deburring leaves Titanium with a consistent, controlled edge break and burr-free surfaces.