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Capability statement · Rev. 1.0Everything below is measured on our own shop floor in Ningbo and stated the way we would state it to an auditor. Where a number has conditions attached, the conditions are printed next to it.
| Brand | Model | Qty | Max bar Ø | Control |
|---|---|---|---|---|
| Citizen Cincom | L20E-2M10 | 6 | Ø20 mm (Ø25 mm option) | 6-axis |
| Citizen Cincom | L32 | 2 | Ø32 mm | 5-axis |
| Tsugami | B0205 | 6 | Ø20 mm | 5-axis |
| TODAYCNC | TC32 series | 2 | Ø32 mm | 5-axis |
| SOWIN | SZ-20 series | 2 | Ø25 mm | 5-axis |
| SOWIN | SZ-20 series | 1 | Ø25 mm | 6-axis |
| Total | 19 | Ø3.0 – 32 mm | — | |
14 Japanese-built machines (Citizen Cincom, Tsugami) are assigned to tight-tolerance and complex work; 5 Chinese-built machines (TODAYCNC, SOWIN) run volume production. Work is routed by tolerance class, not by machine availability.
The axis count is the number of CNC-controlled axes on a sliding-headstock lathe — X, Z, C plus sub-spindle and live-tool axes. It is not simultaneous 5-axis machining. Every machine carries a sub-spindle and driven tooling for front and back working in one cycle.
With a Y-axis on the sub-spindle and driven tools on the back post, cross holes, off-centre milling and back-working are completed in the same cycle as the front turning. The B-axis is manually indexed — the angle is set before the cycle starts, so angled holes and faces are produced at a fixed set-up angle, not interpolated during cutting.
| Parameter | Value |
|---|---|
| Bar stock diameter | Ø3.0 – 32 mm |
| Machines available ≤Ø20 mm | 19 of 19 |
| Machines available ≤Ø25 mm | 13 of 19 |
| Machines available at Ø32 mm | 4 of 19 |
| Max length per chucking (guide bush) | up to 210 mm |
| Max drilling / tapping (main) | Ø10 mm / M8 |
| General tolerance (unspecified) | ISO 2768-m |
| Turned diameters, production | ±0.005 mm · Cpk ≥ 1.33 |
| Positional, thread and deep-bore features | Quoted per drawing, feature by feature |
| Concentricity, OD to bore | ≤ 0.005 mm TIR |
| Surface roughness, as machined | Ra 0.4 µm (Ra 0.2 on request) |
| Monthly capacity | 13,680 spindle-h · 24/7 |
| Quotation turnaround | 48 hours |
Held on turned diameters of parts ≤ Ø32 mm machined from ground or peeled bar stock (h6–h9), on a temperature-controlled shop floor (20 ± 2 °C) with chilled coolant, verified by in-process SPC at Cpk ≥ 1.33 and confirmed on the CMM. It is a diameter capability, not a blanket tolerance — positional, concentricity, thread and deep-bore features are quoted against the drawing, feature by feature.
Quoted per part after drawing review. Send a STEP file plus a dimensioned PDF with GD&T and we return a number with DFM notes within 48 hours.
Mill test certificates to EN 10204 3.1 with every shipment. Traceability from bar heat number to finished lot. Other exotic alloys quoted on request.
Subcontracted processes are carried out by in-house qualified partners and are delivered with their own process certificates, so the documentation chain stays intact from bar to finished part.
Thread rollingRolled threads where the drawing calls for them, rather than cut.
Roller burnishingFor surface finish and size control on bearing and sealing diameters.
Magnetic abrasive polishingFor small, delicate geometries that cannot be tumbled.
CleaningParts cleaned and packed to the level the application requires.
AnodisingAluminium finishes, with process certificates from the partner.
PlatingPlating processes supplied with their own certification.
Heat treatmentWith process documentation returned with the batch.
Send the drawing. We will tell you which machine class it routes to, and what it costs.