CNC 5-Axis Machining Beryllium Copper

VT machining provides CNC 5-Axis Machining Beryllium Copper for customers who need accurate, repeatable Beryllium Copper components. Because Beryllium Copper is high strength with good conductivity and fatigue life, we adapt the process to suit — controlling the variables that matter for this alloy.

Starting Parameters for CNC 5-Axis Machining Beryllium Copper

Cutting speed (carbide)60-120 m/min
Feed per tooth0.028-0.077 mm
Spindle speed, Ø8 mm end mill2390-4770 rpm
Insert / tool classISO H — CBN or fine-grain carbide
CoolantFlood coolant (required to control beryllium-bearing dust)
Thermal growth, 300 mm part, +3 °C15.3 µm (CTE 17 µm/m·K)

Shown for C17200 Beryllium Copper, the most common Beryllium Copper grade we see for CNC 5-Axis Machining. Starting values for C17200 Beryllium Copper, Solution annealed (TB00) or aged (TH04); optimised on the first article.

CNC 5-Axis Machining Beryllium Copper at VT machining
CNC 5-Axis Machining Beryllium Copper — produced in-house at VT machining

CNC 5-Axis Machining Capability for Beryllium Copper

  • Simultaneous 5-axis
  • Single-setup complex geometry
  • True-position to ±0.01 mm
  • Impellers, manifolds, blades

Beryllium Copper material properties, finishing options and grade notes are on our CNC Milling Beryllium Copper page.

How CNC 5-Axis Machining Beryllium Copper Works

Rotating multi-flute cutters remove material as the Beryllium Copper 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.

We start from your supplied geometry and tolerance scheme. The setup is designed to minimise re-clamping, which protects positional accuracy across features. A first article is verified against the drawing before the balance of the batch is released.

Achievable Tolerances for CNC 5-Axis Machining Beryllium Copper

CNC 5-Axis Machining Beryllium Copper — 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.

Design Tips for CNC 5-Axis Machining Beryllium Copper

Small design adjustments often cut cost and lead time. Generous internal radii, sensible pocket depth-to-width ratios and avoiding very thin unsupported walls all reduce cost and improve accuracy in Beryllium Copper. If you send your model early, we will return practical DFM feedback before you commit to production.

CNC 5-Axis Machining Tolerances & Surface Finish

For CNC 5-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.

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.

Applications of CNC 5-Axis Machining Beryllium Copper

Beryllium Copper parts made this way are found throughout aerospace, medical, automotive, electronics and industrial equipment. Prototype, bridge and production volumes are all welcome.

Typical Beryllium Copper Parts for CNC 5-Axis Machining

Illustrative examples of CNC 5-Axis Machining Beryllium Copper parts and the callouts that usually drive the process plan. They show the kind of work that fits this process; they are not specific customer orders.

Sensor housing

Material
Beryllium Copper
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.

Robot end-effector bracket

Material
Beryllium Copper
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.

Vacuum chamber flange

Material
Beryllium Copper
Size
Ø180 × 20 mm
Key callouts
Knife-edge seal Ra 0.4 µm, bolt circle ±0.05 mm
Batch
60 pcs

Sealing face finished last, then handled in gloves and bagged straight off the machine.

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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 5-Axis Machining Beryllium Copper

  • 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 Beryllium Copper 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 5-Axis Machining

Other Processes for Beryllium Copper

Send the drawing, the Beryllium Copper 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

Can VT machining make custom Beryllium Copper parts to my drawing?

Yes. Beryllium Copper 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.

What material thickness or size range suits CNC 5-Axis Machining Beryllium Copper?

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

Why is Beryllium Copper a good choice for CNC 5-Axis Machining?

Beryllium Copper is high strength with good conductivity and fatigue life, which makes it well suited to CNC 5-Axis Machining. We tune the process to the alloy so the finished Beryllium Copper machining part meets your dimensional and functional requirements.

How clean are the edges produced by CNC 5-Axis Machining on Beryllium Copper?

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