CNC turning
Shafts, flanges and bushes up to Ø 400 mm, turned in one clamping where possible.
Two of our four CNC lathes have a Y axis and driven tools. Cross holes, keyways and flats are machined without leaving the lathe, which avoids the misalignment a second clamping brings.
Limits
- Maximum diameter
- Ø 400 mm
- Maximum length
- 650 mm
- Tolerance
- ±0.01 mm; ±0.005 mm on critical diameters
- Surface roughness
- Ra 0.8 µm
- Batch size
- 1–5,000 pcs
What we do
- Rotational parts such as shafts, flanges, bushes and caps
- Drilling, milling and tapping with driven tools
- Metric, inch and pipe threads (ISO, UNC/UNF, G, NPT)
- Machining from bar, forgings or castings
Machines for this process
| Machine | Units | Axes | Working envelope | Spindle speed |
|---|---|---|---|---|
| CNC lathe | 2 | 2 | Ø 400 × 650 mm | 3500 min⁻¹ |
| CNC lathe with Y axis and driven tools | 2 | 4 | Ø 300 × 500 mm | 4500 min⁻¹ |
Materials
- Aluminium alloysSuitable
- Stainless steelsSuitable
- Carbon and alloy steelsSuitable
- Tool steelsLimited
- Copper alloysSuitable
- Engineering plasticsSuitable
Used in
Example parts
Valve spool
Hardened and ground proportional valve spool.
- Part size
- Ø 16 × 120 mm
- Tolerance
- Ø 16 g5, Ra 0.2 µm
- Batch size
- 2,000 pcs
Gearbox shaft
Induction-hardened shaft with ground bearing seats.
- Part size
- Ø 45 × 410 mm
- Tolerance
- Ø 40 k6
- Batch size
- 3,500 pcs
Bronze bearing bush
Bronze bush with lubrication grooves.
- Part size
- Ø 60 × 50 mm
- Tolerance
- Ø 45 H7
- Batch size
- 1,000 pcs
Have a drawing?
Send it with the quantity you need. We check manufacturability and quote complete drawings within 2 working days.