Looking for reliable CNC Cylindrical Grinding Phosphor Bronze? VT machining manufactures Phosphor Bronze parts to tight tolerances and consistent quality. Phosphor Bronze is springy, wear and corrosion resistant, so the process is set up specifically for the material.
Process Data for CNC Cylindrical Grinding Phosphor Bronze
| Wheel (supply condition) | Silicon carbide |
|---|---|
| Depth per pass (rough / finish) | 0.02-0.05 / 0.002-0.005 mm |
| Achievable finish | Ra 0.4-0.8 µm (soft metals load the wheel) |
| Typical size tolerance | Ø ±0.002 mm, roundness 0.001-0.002 mm |
| Diameter growth, Ø50 mm, +3 °C | 2.7 µm |
| Work speed | 15-30 m/min (between centres) |
Shown for C510 Phosphor Bronze, the most common Phosphor Bronze grade we see for CNC Cylindrical Grinding. Typical values for C510 Phosphor Bronze, Spring temper; confirmed on the first part.
CNC Cylindrical Grinding Capability for Phosphor Bronze
- Roundness within 0.002 mm
- OD tolerance ±0.002 mm
- Ra to 0.2 µm
- Between-centers work
Phosphor Bronze material properties, finishing options and grade notes are on our CNC Surface Grinding Phosphor Bronze page.
How CNC Cylindrical Grinding Phosphor Bronze Works
An abrasive wheel removes a fine, controlled layer from the Phosphor Bronze 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 Cylindrical Grinding Phosphor Bronze
| Feature | Standard | Precision |
|---|---|---|
| Size (OD, ID, thickness) | ±0.005 mm | ±0.002 mm |
| Flatness over 100 mm | 0.010 mm | 0.003 mm |
| Parallelism | 0.010 mm | 0.003 mm |
| Roundness | 0.005 mm | 0.002 mm |
| Squareness | 0.010 mm | 0.005 mm |
| Surface finish | Ra 0.4 µm | Ra 0.1 µm |
| Workpiece hardness | up to 62 HRC | up 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 Cylindrical Grinding Phosphor Bronze
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 Phosphor Bronze efficiently. If you send your model early, we will return practical DFM feedback before you commit to production.
CNC Cylindrical Grinding Tolerances & Surface Finish
Ground Phosphor Bronze 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.
Applications of CNC Cylindrical Grinding Phosphor Bronze
CNC Cylindrical Grinding of Phosphor Bronze 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.
Typical Phosphor Bronze Parts for CNC Cylindrical Grinding
Illustrative examples of CNC Cylindrical Grinding Phosphor Bronze 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.
Punch tool
- Material
- Phosphor Bronze
- 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.
Lapping plate
- Material
- Phosphor Bronze
- Size
- 300 × 300 × 30 mm
- Key callouts
- Flatness 0.005 mm over the full face
- Batch
- 20 pcs
Ground, stress-relieved, ground again — one pass will not hold flatness on this area.
Slitter blade
- Material
- Phosphor Bronze
- Size
- Ø150 × 1.5 mm
- Key callouts
- Thickness ±0.005 mm, edge concentricity 0.005 mm
- Batch
- 400 pcs
Ground in a stack so all blades in a set share the same thickness.
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 Cylindrical Grinding Phosphor Bronze
- 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 Phosphor Bronze 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 Cylindrical Grinding
Other Processes for Phosphor Bronze
Send the drawing, the Phosphor Bronze grade and the quantity. You get pricing, lead time and any DFM notes back — usually within one business day.
Request a QuoteFrequently Asked Questions
Can VT machining make custom Phosphor Bronze parts to my drawing?
Yes. Phosphor Bronze 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.
How clean are the edges produced by CNC Cylindrical Grinding on Phosphor Bronze?
Machined Phosphor Bronze edges are clean and to specification; edge-break or deburring is added when your drawing calls for it.
What surface finish is achievable on Phosphor Bronze with CNC Cylindrical Grinding?
Grinding can take Phosphor Bronze to a fine finish — typically Ra 0.1–0.4 µm, and to a mirror grade on suitable alloys.
What is the typical lead time and minimum order for CNC Cylindrical Grinding Phosphor Bronze?
CNC Cylindrical Grinding prototypes for Phosphor Bronze 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 Phosphor Bronze a good choice for CNC Cylindrical Grinding?
Phosphor Bronze is springy, wear and corrosion resistant, which makes it well suited to CNC Cylindrical Grinding. We tune the process to the alloy so the finished Phosphor Bronze grinding part meets your dimensional and functional requirements.
What is CNC Cylindrical Grinding Phosphor Bronze and how is it done?
CNC Cylindrical Grinding Phosphor Bronze refers to cylindrical grinding finishes outer diameters of rotational parts to precise size and roundness. Applied to Phosphor Bronze — springy, wear and corrosion resistant — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.