Capacity
Capacity
7 t, one head
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Process Library · Coil Handling & Decoiling
Automatic Decoiling Line
Electric 7 t decoiler: four-segment expand, 3 kW drive through 4 kW VFD, brake on stop. That specification lists 350 V / 50 Hz / 3φ. Manual 5 t reels and dual-head changeover are other pages.
What this process looks like
The mill does not drag a free reel. A 7 t electric decoiler expands four segments, drives through a VFD, and brakes on stop. Someone still loads the coil.
Frame / mandrel
Frame / mandrel
Frame 80×160×3.75 square tube; mandrel 80×14 seamless; expand tubes 50×50×5
Expand
Expand
Four-segment plates; bearing 6215
Specifications
| Capacity | 7 t, one head |
|---|---|
| Frame / mandrel | Frame 80×160×3.75 square tube; mandrel 80×14 seamless; expand tubes 50×50×5 |
| Expand | Four-segment plates; bearing 6215 |
| Drive | Main 3 kW through 4 kW VFD |
| Stop | Brake required |
| Power on that specification | 350 V / 50 Hz / 3φ. A dual-layer host on the same order listed 380 V — two nameplates. |
Operation steps
Seat the coil
Seat the coil
Crane or fork onto the single head. Mass within 7 t; the eye must take the four plates. This specification does not list a coil car.
Expand and centre
Expand and centre
Four-segment plates grip the eye. Flanges sit square; no daylight on one segment.
Jog, then enable
Jog, then enable
Jog a wrap. Direction matches the mill. Then enable feed into a loop the mill can live with.
Brake on stop
Brake on stop
Mandrel stops with the mill. End the run on this head. Dual-head rotate is another process.
What's included
This line
This page: Driven payoff on the named 7 t electric decoiler, including expand, VFD and brake.
Standard build
Sister lines: 5 t manual decoiler, 10 t hydraulic package, dual-head 4 t per side, and loading cars each have their own quotation.
Key details
Read the decoiler nameplate
This example is 350 V / 50 Hz. Confirm it against the hall before first coil.
Brake is fitted and wired
Coast after a stop-cut is a fail on this specification.
All four plates contact
A 5 t hand-brake reel is a different machine, even if someone calls it automatic.
FAQ
Is an automatic decoiler the same as a hydraulic 10 t decoiler?
Automatic here means motorised expand and VFD payoff. The example is a 7 t electric unit. A 10 t hydraulic decoiler is a heavier package with its own voltage.
Why does this example list 350 V?
That 7 t electric specification lists 350 V / 50 Hz / 3φ. Confirm the nameplate. A dual-layer host on the same order listed 380 V.
How are price and lead time quoted?
Send coil weight, width, thickness and site voltage. Commercial terms come back on the offer.
Related processes
Get a configured quote
Send us your profile sizes, gauge and daily output — we return a sized proposal with lead time.
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