Decoil
Decoil
Dual-head hydraulic 6 t/head; width ≤600 mm; ID 450–550; OD 1730
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Process Library · Purlin / Channel / Beam
Hydraulic Purlin Forming Line
Stands on the named CZ auto-changeover line are servo-electric. Oil does three jobs: expand the dual-head, punch in the flat, cut the bar. Host 42 kW and tank 15 kW are two nameplates.
What this process looks like
Stands on the named CZ auto-changeover line are servo-electric. Oil does three jobs: expand the dual-head, punch in the flat, cut the bar. Host 42 kW and tank 15 kW are two nameplates.
Punch
Punch
3 hydraulic pre-punch stations; dies swap round or slot
Form
Form
20 stands; servo 42 kW; GI or HR 1–3.2 mm Q235/Q355
Specifications
| Decoil | Dual-head hydraulic 6 t/head; width ≤600 mm; ID 450–550; OD 1730 |
|---|---|
| Punch | 3 hydraulic pre-punch stations; dies swap round or slot |
| Form | 20 stands; servo 42 kW; GI or HR 1–3.2 mm Q235/Q355 |
| Speed | High 32 m/min; normal 12–18 depending on hole count and profile |
| Cut / table | Cut+punch 15 kW; tank 300 L; 6 m table |
| Power | 380 V / 50 Hz / 3φ |
| CUZ neighbour | 6 t hyd decoiler, 3 prepunch, ellipse 14.3×25.4 mm, 220 V / 60 Hz |
| Fixed C neighbour | Hyd stop cut 5.5 kW; 3 t manual decoiler |
Operation steps
Expand both 6 t heads
Expand both 6 t heads
Reel-pack service and the punch/cut tank are often independent. Confirm on the live schematic.
Punch in the flat
Punch in the flat
Three stations sequenced so pressure does not collapse mid-stroke. Hole family is the die, not an HMI rename to CUZ ellipses.
Form C or Z from the stored recipe
Form C or Z from the stored recipe
No manual roller swap on this host. First-off section before raising toward 32 m/min.
Cut on the 15 kW pack
Cut on the 15 kW pack
If punch and cut fire together, the 300 L tank must cover the peak or the PLC sequences them. Hole-dense bars stay in the 12–18 m/min band.
What's included
This line
This page: The CZ oil sequence: expand, three punches, servo form, hydraulic cut.
Standard build
Sister lines: CUZ at 220 V / 60 Hz, fixed C with hyd stop 5.5 kW, and flying-saw motors on some C/U refs (a saw, not this tank).
Key details
Note 1
C vs Z matches the first bar — Changeover is recipes, not an I-section or sigma flower.
Pitch vs drawing
Before any 32 m/min claim on a hole-dense bar.
6 t/head and two kW
Not “12 t single mandrel.” 42 kW servo ≠ 15 kW hyd pack.
FAQ
Are the forming stands hydraulic?
On this CZ line the stands are servo-electric 42 kW. Oil does expand, punch and cut. The cut+punch tank is 15 kW / 300 L.
Is CUZ the same hydraulic package?
CUZ uses a 6 t hydraulic decoiler and three prepunch stations at 220 V / 60 Hz. The 42 kW servo motor stays on the C/Z interchange mill.
How are price and lead time quoted?
Send C/Z sizes, hole map, thickness and site voltage. Commercial terms come back on the offer.
Related processes
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Send us your profile sizes, gauge and daily output — we return a sized proposal with lead time.
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