Titanium CNC Machining Service
Plyconn provides titanium CNC machining for strong, lightweight, corrosion-resistant components with controlled tool engagement, heat management, workholding, and inspection.
- Material-specific DFM and process selection
- Critical features down to ±0.01 mm after review
- Machining, secondary processing, and inspection
Titanium CNC Machining Capabilities
Practical starting points; final capability depends on grade, condition, part size, geometry, finishing, and inspection method.
Why Use Titanium for CNC Machining?
Material selection connects mechanical performance, service environment, manufacturability, finishing, availability, and total production cost.
High specific strength
Titanium combines high strength with substantially lower density than steel and nickel alloys.
Corrosion resistance
A stable oxide film supports marine, chemical, medical, and aerospace service.
Biocompatibility
Selected commercially pure and Grade 5 materials are widely used in medical applications.
Temperature performance
Titanium retains useful mechanical properties where lightweight structures face elevated temperature.
Low thermal expansion
Lower expansion than aluminum supports dimensional stability in temperature-sensitive assemblies.
Non-magnetic behavior
Titanium is useful where low magnetic response and corrosion resistance are required.
CNC Machining Services for Titanium Parts
We select the platform around geometry, datum relationships, access, size, batch volume, and manufacturing risk.
5-Axis CNC Machining
Complex housings, deep cavities, compound angles, and multi-face geometry tied to a common datum.
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Mill-Turn Machining
Rotational parts with flats, cross holes, pockets, threads, and back-working in one coordinated cycle.
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Swiss Machining
Small-diameter fittings, pins, inserts, connectors, and high-volume turned components.
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Electrical Discharge Machining
Conductive hard materials and features that are inaccessible to conventional cutters.
Explore service →Titanium Grades for CNC Machining
International references are consolidated for sourcing comparison. Nominal equivalents can differ by chemistry, product form, condition, and governing standard.
| Grade | International cross-reference | Machining performance / behavior | Suitable applications |
|---|---|---|---|
| Grade 1 | ASTM Grade 1 · UNS R50250 · EN 3.7025 · JIS Class 1 | Soft and ductile; requires sharp tools and controlled burr formation. | Chemical, formed, and corrosion-critical parts |
| Grade 2 | ASTM Grade 2 · UNS R50400 · EN 3.7035 · JIS Class 2 | Moderate strength with good machining discipline and excellent corrosion resistance. | Marine, medical, chemical, and heat-exchanger parts |
| Grade 5 / Ti-6Al-4V | ASTM Grade 5 · UNS R56400 · EN 3.7165 · GB TC4 | Low thermal conductivity concentrates heat at the tool; rigid setups and stable engagement are essential. | Aerospace structures, robotics, medical and motorsport parts |
| Grade 9 / Ti-3Al-2.5V | ASTM Grade 9 · UNS R56320 · EN 3.7195 | Good balance of strength, formability, and machinability relative to Grade 5. | Tubular fittings, aerospace, bicycle and fluid-system parts |
| Grade 23 / ELI | ASTM F136 Grade 23 · UNS R56407 · Ti-6Al-4V ELI | Machined with strict material traceability, contamination control, and surface-integrity planning. | Implantable and high-integrity medical components |
** Specify the governing standard, condition, product form, and certificate requirement. We verify equivalency before production.
Titanium CNC Machining Tolerances and Part Sizes
Critical dimensions are reviewed against material condition, wall thickness, datums, tool access, temperature, and inspection method.
| Capability | Reference value | Application note |
|---|---|---|
| Typical tolerance | ±0.025 mm | For controlled drawing dimensions |
| Precision features | ±0.01 mm | Subject to geometry and inspection review |
| Surface finish | Ra 0.8 μm | Achievable on accessible machined surfaces |
| 5-axis envelope | 600 × 600 × 500 mm | Complex multi-face components |
| 3-axis travel | 1,000 × 600 × 600 mm | Plates, housings, and fixtures |
| Turning range | Ø3–300 mm | Pins, fittings, shafts, and sleeves |
| Geometric tolerance | ⏥ 0.02 mm | Typical position Ø0.03–0.05 mm |
| General tolerance | ISO 2768-mK | Unless the drawing specifies otherwise |
Surface Finishes for Titanium CNC Machined Parts
Choose a finish by function first. Thickness, masking, and final dimensions are defined before machining where tolerances are affected.
As machined
Controlled tool marks with careful edge finishing.
No buildup. Deburring can alter fine edges.
Bead blasting
Uniform matte cosmetic surface.
Minimal. Protect critical surfaces.
Anodizing
Thin colored oxide for identification and appearance.
Minimal. Dimensional effect is generally small.
Passivation / cleaning
Removes contaminants and supports surface cleanliness.
Minimal. No intentional coating buildup.
PVD coating
Hard thin film for wear and friction control.
Allow for buildup. Account for several micrometers on close fits.
Polishing
Reduces roughness for cosmetic or clean surfaces.
Removes material. Control critical dimensions and edges.
Heat Treatment and Stress Control in Titanium CNC Machining
Titanium processing must protect alloy properties, surface integrity, and dimensional stability while avoiding contamination.
Stress relieving
An approved cycle can reduce machining stress before final finishing.
Annealing
Selected cycles adjust ductility, toughness, and microstructure for the specified alloy.
Rough and finish sequencing
Balanced stock removal and stable fixturing reduce movement in thin-wall parts.
Surface integrity control
Tool condition, coolant, heat, and finishing are managed to limit smearing and thermal damage.
Titanium CNC Machining Project Examples
Examples of material selection, process planning, finishing, and inspection for common component types.
Aerospace Structural Bracket
- Grade
- Grade 5
- Process
- 5-axis machining, inspection
Multi-face datums and thin-wall stiffness controlled with short tools and staged finishing.
Medical Instrument Component
- Grade
- Grade 23
- Process
- Swiss machining, cleaning
Small features, traceable material, and controlled surface condition.
Robotic Joint Hardware
- Grade
- Grade 5
- Process
- Mill-turn, PVD coating
High strength at low mass with aligned turned and milled interfaces.
Quality Control for Titanium CNC Machined Parts
Inspection is planned from the drawing. We identify datum access, measurement uncertainty, finishing state, sampling frequency, and required records before production.
Learn about our quality systemIncoming material control
Grade, condition, product form, heat or lot identity, and requested mill certificates are checked before release.
First article inspection
Critical dimensions, datums, threads, surface finish, and visual requirements are verified before batch production.
In-process verification
Machine probing, calibrated gauges, and scheduled checks monitor tool wear and dimensional drift.
Final dimensional inspection
CMM, optical, contour, roughness, thread, and conventional measurement are selected around drawing risk.
Available documentation
FAI, dimensional, CMM, material, finish, heat-treatment, and conformity records are available by requirement.
Repeat-order control
Approved programs, fixtures, inspection plans, revisions, and traceability records support consistent repeat production.
Our Titanium CNC Machining Workflow
A clear workflow carries the project through engineering review, production, secondary processing, inspection, and shipment.
Upload files
Send CAD, drawing, material condition, quantity, finish, tolerances, and documentation needs.
Quote and manufacturability analysis
We review geometry, stock, tooling, distortion, datums, finishing allowance, inspection, lead time, and cost.
Machining and first article inspection
Material is released, setups are controlled, and the first part is inspected before the remaining quantity proceeds.
Heat treatment and post-processing
Approved thermal processing, deburring, finishing, marking, and cleaning are coordinated.
Final inspection and shipping
Dimensions, finish, appearance, documents, cleaning, and packaging are verified before shipment.
Titanium CNC Machining FAQs
Why is titanium difficult to machine?
Low thermal conductivity, chemical reactivity, and elastic recovery concentrate heat and load at the cutting edge.
Which titanium grade is most common for CNC machining?
Grade 5 Ti-6Al-4V is the most common high-strength choice; Grade 2 is preferred for corrosion resistance and ductility.
Can titanium parts be anodized?
Yes. Titanium anodizing can provide identification colors with minimal dimensional effect.
Discuss Your Titanium CNC Machining Project
Send us your drawing, material, quantity, and quality requirements.
We’ll help define the next step.