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OT60 Octagonal Tube Roll Forming Line
Table of Contents
- Definition
- Process and applications
- Reference parameters
- Conflicts and open items
- Boundaries
- Buyer FAQ
- References
1. Definition
OT60 produces 60-class octagonal tubes for shutter shafts and related tube uses: electric decoil → pneumatic feed → continuous punch → roll form → die hold → flying-saw tracking cut. It is thicker-duty than OT40 and must not inherit OT40 dual-7.5 kW or 60 t press wording as its own baseline.
Recommended baseline is the Chinese OT60 technical-parameter sheet (about 0.8–1.2 mm GI, main about 11 kW, press about 63 t, about 21 stands, shaft about φ70).
2. Process and applications
Recommended process wording:
- Electric decoiling (about 3 t / motor about 2.2 kW)
- Pneumatic feed
- Continuous punch (about 63 t press)
- Roll forming
- Die hold / sizing
- Flying-saw tracking cut
- Exit
Applications. 60-class octagonal tubes for longer / heavier shutter spans and related tube drawings. Not OT40 thin-coil duty; not ERW round/square; not a downpipe line.
3. Reference parameters (keep sources separate)
3.1 Recommended baseline (Chinese OT60 sheet)
| Item | Documented reference |
|---|---|
| Thickness | About 0.8–1.2 mm GI |
| Main / decoiler | About 11 kW / 2.2 kW on ~3 t electric decoiler |
| Press | About 63 t continuous punch |
| Stands / shaft | About 21 horizontal (+ vertical rolls) / φ70 |
| Cut | Flying-saw tracking after form |
| Controls | PLC (brand not locked on that sheet) |
| Hydraulic / saw kW | Not singled out on that sheet — do not invent |
3.2 Speed note — keep blocked until confirmed
| Item | Source wording |
|---|---|
| Forming speed string | Source lists “0–10 mm/min” — unit is anomalous for a tube line |
| Public action | Do not lock a public m/min from that string; confirm on contract / measured run |
| Same-pack high-speed English | About 10–15 m/min class elsewhere — do not silently merge into OT60 Chinese baseline |
4. Conflicts and open items
- Anomalous mm/min speed — Treat as open; never publish as a firm m/min claim.
- OT40 vs OT60 motors — Dual 7.5 kW / 60 t vs single 11 kW / 63 t. Keep separate.
- Market multi-size ads — Often ~8–15 m/min and sometimes a single ~7.5 kW — orientation only; do not overwrite the OT60 proposal row.
5. Boundaries (related machines)
- OT40 — Thinner coil, dual 7.5 kW, 60 t press, ~23 stands / φ60, Chinese speed about 3–6 m/min.
- ERW / downpipe — Different tube families.
- Shutter slat and guide lines — Produce curtain and rail sections, not the winding shaft.
6. Buyer FAQ
Can I use OT40 numbers on an OT60 inquiry?
No. Thinner coil, dual 7.5 kW, and 60 t press belong to OT40. OT60 uses thicker GI and about 11 kW / 63 t class.
What public speed should I publish?
Do not lock m/min from the anomalous “0–10 mm/min” source string. Confirm speed on the named OT60 proposal or measured run.
Are hydraulic and flying-saw kW listed?
Not as standalone figures on the Chinese OT60 sheet — leave blocked rather than inventing values.
Is OT60 the same as a cassette multi-size octagon host?
Not automatically. Multi-size cassette hosts are a different commercial story; still quote the named size’s duty.
Final ratings follow the confirmed technical proposal. Price and lead time are out of scope.
References
- OCTAGON-60 thematic FAQ (0.8–1.2 mm GI / 11 kW / 63 t; speed unit open)
- Industry context: Octagon pipe shutter-shaft production overview
- Related encyclopedia entries: OT40; 40 vs 60 selection