CNC Centerless Grinding Beryllium Copper

CNC Centerless Grinding Beryllium Copper from VT machining delivers precision Beryllium Copper parts produced to your exact drawing. Centerless grinding supports the workpiece on a blade between wheels for high-throughput OD finishing, and we tune every parameter to the behaviour of Beryllium Copper, which is high strength with good conductivity and fatigue life.

CNC Centerless Grinding Beryllium Copper at VT machining
CNC Centerless Grinding Beryllium Copper — produced in-house at VT machining

CNC Centerless Grinding Capability for Beryllium Copper

  • No center holes needed
  • High throughput
  • Diameter ±0.003 mm
  • Through-feed & in-feed

Beryllium Copper Material Data

Beryllium Copper — typical properties, quoted for C17200 (TH04/AT)
Density8.25 g/cm³
Tensile strength1140–1380 MPa
Yield strength (0.2%)1000–1200 MPa
Hardness36–42 HRC
Melting point866–980 °C
Thermal conductivity105–130 W/m·K
Thermal expansion17.8 ×10⁻⁶/K
Electrical conductivity22%
Machinability (C36000 = 100%)20–35%
Grades we runC17200, C17300, C17510 (high conductivity), C17410

Published typical values for C17200 (TH04/AT). Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining Beryllium Copper — what actually causes trouble

Machined in the solution-annealed state and age-hardened afterwards, which shrinks the part by roughly 0.1–0.2%. That shrink is compensated in the program.

How CNC Centerless Grinding Beryllium Copper Works

An abrasive wheel removes a fine, controlled layer from the Beryllium Copper part. Wheel specification, dressing interval, infeed and coolant are matched to the alloy's hardness so the surface is not burned or left with residual stress.

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 Centerless Grinding Beryllium Copper

CNC Centerless Grinding Beryllium Copper — achievable tolerances
FeatureStandardPrecision
Size (OD, ID, thickness)±0.005 mm±0.002 mm
Flatness over 100 mm0.010 mm0.003 mm
Parallelism0.010 mm0.003 mm
Roundness0.005 mm0.002 mm
Squareness0.010 mm0.005 mm
Surface finishRa 0.4 µmRa 0.1 µm
Workpiece hardnessup to 62 HRCup to 65 HRC

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 Centerless Grinding Beryllium Copper

A few design choices make a real difference to cost and quality. Allowing adequate grind stock, specifying realistic flatness over the true datum, and relieving corners help us hit tight tolerances on Beryllium Copper efficiently. If you send your model early, we will return practical DFM feedback before you commit to production.

Secondary Operations & Finishing

We complete Beryllium Copper 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.

CNC Centerless Grinding Quality & Inspection

Consistent quality comes from disciplined process control. Critical dimensions on Beryllium Copper 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.

CNC Centerless Grinding Tolerances & Surface Finish

Ground Beryllium Copper reaches single-micron tolerances on size, flatness and parallelism, with surface finishes down to Ra 0.1–0.4 µm — and a near-mirror finish on suitable alloys.

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.

Working with Beryllium Copper

Beryllium Copper offers a useful combination of properties: it is high strength with good conductivity and fatigue life. Those characteristics shape how we approach grinding — 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.

Applications of CNC Centerless Grinding Beryllium Copper

CNC Centerless Grinding of Beryllium Copper 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 Centerless Grinding Beryllium Copper

Ordering Beryllium Copper 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 Beryllium Copper

Three representative CNC Centerless Grinding Beryllium Copper 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.

Mould insert

Material
Beryllium Copper
Size
80 × 60 × 25 mm
Key callouts
Flatness 0.003 mm, squareness 0.005 mm
Batch
90 pcs

Surface ground on all six faces so the insert seats without shimming.

Ceramic-coated shaft journal

Material
Beryllium Copper
Size
Ø45 × 180 mm
Key callouts
OD ±0.003 mm, roundness 0.002 mm, Ra 0.2 µm
Batch
150 pcs

Ground after coating; the coating is never the final dimension.

Punch tool

Material
Beryllium Copper
Size
Ø10 × 60 mm
Key callouts
OD ±0.002 mm, roundness 0.002 mm, Ra 0.1 µm
Batch
300 pcs

Cylindrical ground after hardening to 60 HRC — machining soft would not hold the size.

Finishing Options for Beryllium Copper

Finishing options available with this material
FinishThickness / effectWhy it gets specified
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 Centerless Grinding 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 Centerless Grinding

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

What material thickness or size range suits CNC Centerless Grinding 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 Centerless Grinding?

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

What surface finish is achievable on Beryllium Copper with CNC Centerless Grinding?

Grinding can take Beryllium Copper to a fine finish — typically Ra 0.1–0.4 µm, and to a mirror grade on suitable alloys.

How clean are the edges produced by CNC Centerless Grinding on Beryllium Copper?

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

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

Yes. Beryllium Copper Beryllium Copper grinding 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 is the typical lead time and minimum order for CNC Centerless Grinding Beryllium Copper?

CNC Centerless Grinding 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.