CNC Precision Machining Beryllium Copper is a core capability at VT machining. We combine controlled machining with material-aware setup for Beryllium Copper — an alloy that is high strength with good conductivity and fatigue life — to produce parts that meet your specification first time.
Starting Parameters for CNC Precision Machining Beryllium Copper
| Cutting speed (carbide) | 55-110 m/min |
|---|---|
| Feed per tooth | 0.028-0.077 mm |
| Spindle speed, Ø6 mm end mill | 2920-5840 rpm |
| Insert / tool class | ISO H — CBN or fine-grain carbide |
| Coolant | Flood coolant (required to control beryllium-bearing dust) |
| Thermal growth, 100 mm part, +5 °C | 8.5 µm (CTE 17 µm/m·K) |
| Tightest practical tolerance | ±0.005 mm on short features |
Shown for C17200 Beryllium Copper, the most common Beryllium Copper grade we see for CNC Precision Machining. Starting values for C17200 Beryllium Copper, Solution annealed (TB00) or aged (TH04); optimised on the first article.
CNC Precision Machining Capability for Beryllium Copper
- Tolerance to ±0.002 mm
- CMM-verified
- Geometric/GD&T control
- Temperature-controlled shop
Beryllium Copper material properties, finishing options and grade notes are on our CNC Milling Beryllium Copper page.
How CNC Precision 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.
Programming is driven directly by your 3D model or print. Work-holding, tool selection and the cutting strategy are planned around the critical features and the material before the first chip is cut. First-off inspection confirms the process is centred before production continues.
Achievable Tolerances for CNC Precision Machining Beryllium Copper
| Feature | Standard | Precision |
|---|---|---|
| Linear dimension (< 100 mm) | ±0.05 mm | ±0.010 mm |
| Linear dimension (100–300 mm) | ±0.10 mm | ±0.025 mm |
| Hole diameter (reamed) | H9 | H7 |
| True position of hole pattern | ±0.10 mm | ±0.025 mm |
| Flatness over 100 mm | 0.05 mm | 0.015 mm |
| Perpendicularity | 0.10 mm | 0.020 mm |
| Surface finish, as machined | Ra 1.6 µm | Ra 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 Precision Machining Beryllium Copper
We are happy to suggest design tweaks that improve manufacturability. 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 Precision Machining Tolerances & Surface Finish
For CNC Precision 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.
Exact achievable figures depend on the alloy, the feature size and the part geometry. Tell us which dimensions are critical and we will advise feasibility up front.
Applications of CNC Precision Machining Beryllium Copper
Customers order CNC Precision Machining Beryllium Copper components for everything from instrumentation to structural and functional assemblies. Whether you need a single prototype or recurring production volume, the same process discipline applies.
Typical Beryllium Copper Parts for CNC Precision Machining
Illustrative examples of CNC Precision 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.
Manifold block
- Material
- Beryllium Copper
- Size
- 120 × 60 × 45 mm
- Key callouts
- Cross-bore intersection ±0.05 mm, ports G1/8", leak-tested to 10 bar
- Batch
- 80 pcs
Deburred internally with a brush tool; a burr at a cross-bore is what fails the leak test.
Heat sink base
- Material
- Beryllium Copper
- Size
- 200 × 100 × 8 mm
- Key callouts
- Fin thickness 1.2 ±0.05 mm, base flatness 0.03 mm
- Batch
- 500 pcs
Fins cut with a slotting cutter in one pass to avoid the deflection a step-over leaves.
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.
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.
What We Need to Quote CNC Precision 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 Precision 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 QuoteFrequently Asked Questions
What is CNC Precision Machining Beryllium Copper and how is it done?
CNC Precision Machining Beryllium Copper refers to precision machining combines processes and inspection to hold the tightest dimensional and geometric tolerances. Applied to Beryllium Copper — high strength with good conductivity and fatigue life — 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 Precision Machining Beryllium Copper?
We machine Beryllium Copper across a broad size range; share your part envelope for confirmation.
What is the typical lead time and minimum order for CNC Precision Machining Beryllium Copper?
CNC Precision Machining prototypes for Beryllium Copper can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.
How clean are the edges produced by CNC Precision 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.
Which industries use CNC Precision Machining Beryllium Copper parts?
CNC Precision Machining Beryllium Copper parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise Beryllium Copper components are required.