Automating Mixed Slit Coil Packing Lines | FHOPE

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A steel service center rarely packs the same coil twice in a row. One slitting run can produce narrow and wide coils from the same mother coil, and the next order can be a different material with its own packing rule. We have designed slit-coil packing lines for customers who process GI, CR, PPGI, EGI and copper together, each with different slit widths and coil weights. Below we describe how we design an dây chuyền đóng gói cuộn dây tự động that copes with this mix.

The image shows a steel service center coil packaging automation context. We design the line around the real order mix of materials, widths and coil weights.

Line Control: MES, ERP and Automated Recipe Selection

On our automatic slitting-coil packing line with a turntable stacker, an industrial PC controls the whole line. It receives coil parameters from the slitting line or from a barcode reader. The down-ender picks coils using information entered manually or sent over Profinet, and the packing data are shared with the plant's production systems (MES/ERP).

Because coil parameters arrive automatically from the slitting line, over Profinet or by barcode scan, the line can run mixed coils without anyone re-entering the order details. When a different packing rule is needed, the operator simply selects the corresponding recipe on the touch screen.

The image shows a design review where normal path, abnormal path, machines, and support zones are considered in one view. Mixed-coil automation needs the same method: the normal recipe flow and the exception route are designed together.

One Line, a Wide Coil Range

Handle the Exceptions in the Recipe

• Narrow coils (around 15 mm) are generally strapped manually. The coil is secured with tape, tilted 90°, and then strapped through the eye with PP or PET strap (2, 3, 4 or 6 straps).
• Wide coils beyond this line's 400 mm limit, such as 1000 mm wide coils, are handled on our wide-coil configurations and can be strapped automatically or manually.
• Coated or bright coils need protection for their contact surfaces. Our conveyor rollers are PU-covered, and coil car saddles are lined with nylon or rubber.
• Non-ferrous coils can be wrapped in stretch film for dust and moisture protection.

The image shows people preparing a coil so it can be protected. In a mixed service center, the approved surface protection and contact material stay visible in the recipe, not decided separately by each shift.

Automate in Stages

Not every center needs the full line on day one. A common order of investment:

1. Down-ender at the turnstile, to remove manual lifting
2. Through-eye strapping
3. Bao bì, with an overlap of 20–90% to suit each order
4. Weighing, labeling and stacking

For tighter budgets, our economic vertical slit-coil line uses a coil trolley, a nylon-lined feeding channel whose width adjusts to the coil, a vertical packing machine and a stacker-upender.

The image shows a steel coil packing factory context. A staged rollout keeps the first investment aligned with the measured constraint and leaves room to add transfer or integration after evidence.

Output and Warranty

Standard lines pack 10–30 coils per hour, and high-output configurations reach 50–60 coils per hour. The slowest station sets the rate. Every line carries our 2-year warranty.

Watch a slitting coil packing line in operation:

FAQ

Can one line pack different materials? Yes. We have built lines for mixed GI, CR, PPGI, EGI and copper coil orders.

How does the line know each coil's packing rule? It gets the coil data from the slitting line, a barcode reader or manual input, and shares the packing data with your MES/ERP.

What is the narrowest coil? 15 mm on the down-ender. Coils of around 15 mm are taped, tilted 90° and strapped manually.

Mỗi giờ sản xuất được bao nhiêu cuộn dây? 10–30 on standard lines, and 50–60 on high-output configurations.

Chế độ bảo hành nào được áp dụng? Bảo hành 2 năm.

Send us your order mix (materials, widths, weights) for a line concept for your dây chuyền đóng gói cuộn dây tự động, hoặc là liên hệ với chúng tôi.