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Ridge Cap and Ridge Tile Roll Forming Machines
ridge cap machine · ridge tile roll forming · 312 ridge cap · roof ridge forming1. What a ridge-cap mill finishes
A ridge cap (ridge tile) covers the roof apex where two slopes meet. The mill forms a short, often angled or corrugated covering profile from light-gauge coil — not the main trapezoidal roof sheet. Buyers also search “312 ridge cap” and “roof ridge forming” for the same inquiry class.
This page documents the 312 ridge quotation. Ridge-punch lines, glazed step-tile working speeds and multi-out (3-out) ridge quotes without full parameters are separate machines or need their own quotation.
2. 312 process chain
Documented flow:
- Uncoiler
- Feed
- Roll form
- Cut
- Table
The decoiler on that quotation is passive — pulled by the mill, not a powered decoil drive of its own class. Decoiler capacity on the quotation: ~5000 kg; width ~1250 mm; ID ~450–550 mm.
3. 312 ridge — named build
| Item | On the 312 quotation |
|---|---|
| Line speed | ~8–12 m/min |
| Main drive | ~3 kW |
| Envelope | ~6200 × 1100 × 1500 mm |
| Mass | ~3200 kg |
| Rollers / shaft | ~11 rollers; shaft ø60 (45 steel); rollers chrome-plated 45 steel |
| Drive / frame | Chain drive; 350 H frame |
| Power supply | 380 V / 50 Hz / 3φ |
| Hydraulic cut | ~3 kW; hydraulic oil VG46 |
4. Coil and thickness on 312
- Thickness: ~0.3–0.5 mm
- Materials: PPGI / GI / Al
- Hardness class on that quotation: ~245–350 MPa
These bands belong to the 312 ridge quotation. They do not carry onto a ridge-punch line or a glazed tile mill.
5. Not the ridge-punch line
A ridge-punch configuration is a separate machine. Side evidence from that line (not 312):
| Item | Ridge-punch line (separate) |
|---|---|
| Servo | ~5.5 kW |
| Hydraulic | ~11 kW |
| Passes | 12 |
| Shaft | ø70 |
| Thickness | ~0.4–0.6 mm |
| Speed | ~15 m/min |
Punch servo/hyd numbers stay separate from the 312 main ~3 kW / hyd cut ~3 kW package.
6. Out of scope
- Glazed step tile working ~2–3 m/min — side evidence only; not a 312 ridge speed.
- Trapezoidal roof main line — forms the roof sheet, not the ridge cap accessory mill.
- Multi-out (3-out) ridge quotes without full parameters — need a complete quotation; the 312 kW does not transfer to that quote.
7. Send the ridge drawing
- Finished ridge section (angle, corrugation, cover width)
- Thickness and material (PPGI / GI / Al) inside or outside the 0.3–0.5 mm 312 band
- Whether punch / emboss is required (triggers the separate ridge-punch line)
- Cut length and stacking
- Site power: 380 V / 50 Hz / 3φ if matching 312, or state the plant standard
- Whether multi-out (3-out) is required — only with a full-parameter quotation
8. Buyer FAQ
Is a ridge-cap mill the same as a trapezoidal roof mill?
No. Trapezoidal is the main roof sheet line. Ridge cap is a separate accessory profile.
Can I use glazed tile 2–3 m/min as the 312 ridge speed?
No. Glazed step-tile ~2–3 m/min is side evidence. 312 ridge is ~8–12 m/min on that quotation.
Is ridge-punch just 312 with a punch station added?
No. Punch uses a separate line (servo ~5.5, hyd ~11, 12 passes, ø70, ~0.4–0.6 mm, ~15 m/min) — not the 312 main ~3 kW build.
What about multi-out (3-out) ridge?
Needs a full-parameter quotation — the 312 kW does not transfer to an incomplete multi-out quote.
Process, decoiler, kW, envelope, rollers, shaft, thickness and hardness above come from the 312 quotation. Ridge-punch figures are a separate line.
References
- 312 quotation: uncoiler → feed → roll form → cut → table; passive decoiler ~5000 kg, width ~1250, ID ~450–550
- 312: speed ~8–12 m/min; main ~3 kW; envelope ~6200×1100×1500; ~3200 kg; ~11 rollers; shaft ø60 (45 steel); rollers chrome-plated 45 steel; chain; 350 H; 380 V/50 Hz/3φ; hyd cut ~3 kW, hydraulic oil VG46
- 312 material: thickness ~0.3–0.5 mm; PPGI/GI/Al; hardness ~245–350 MPa
- Ridge-punch line (separate): servo ~5.5; hyd ~11; 12 passes; ø70; thickness ~0.4–0.6; speed ~15
- Out of scope: glazed step tile ~2–3 m/min as 312 speed; trapezoidal main line; multi-out without full specifications
References
- 312 quotation: uncoiler → feed → roll form → cut → table; passive decoiler ~5000 kg, width ~1250, ID ~450–550
- 312: speed ~8–12 m/min; main ~3 kW; envelope ~6200×1100×1500; ~3200 kg; ~11 rollers; shaft ø60 (45 steel); rollers chrome-plated 45 steel; chain; 350 H; 380 V/50 Hz/3φ; hyd cut ~3 kW, hydraulic oil VG46
- 312 material: thickness ~0.3–0.5 mm; PPGI/GI/Al; hardness ~245–350 MPa
- Ridge-punch line (separate): servo ~5.5; hyd ~11; 12 passes; ø70; thickness ~0.4–0.6; speed ~15
- Out of scope: glazed step tile ~2–3 m/min as 312 speed; trapezoidal main line; multi-out without full specifications