Press line and stamping plant cable in Parma

A city built around one long press line

Metal stamping at scale is what Parma does, and the Parma Metal Center is the plant that defines the city. Around it sit press shops and tool-and-die suppliers, most of them small, most of them working to the same production schedule and the same shutdown calendar. The electrical world inside those buildings is practical and repetitive: four-eighty feeder, drops to press control boxes, festoon on the coil cranes, welding leads at the cells.

A stamping plant also carries a great deal of overhead tray. Cable up there is safe from forklifts but not from oil mist, radiant heat off a die, or the vibration that travels through a slab when a press is running. That combination is what a reviewer is really asking about when he asks how the cable was stored.

Festoon, drop and weld

Crane festoon is the first cable to fail in a press shop and the first to be replaced, because it flexes on every cycle. What comes off a crane runway is short, coiled, often greasy, and frequently marked only by a faded print near one end. Portable cord on a press drop fails the same way, at the point where it enters the box, so the damage is concentrated in a few inches of an otherwise sound length.

• Crane festoon and flat festoon cable
• SOOW drops to press control boxes
• Welding cable from the cell headers
• Tray cable in the overhead runs
• Control cable from transfer lines

Yards shared with three other tenants

The Ridge Road corridor between I-480 and I-77 is dense. Buildings were added to buildings over decades, and the yard behind one address is often reached through another tenant's gate. Trailer turning space is the binding constraint here, not distance and not the interstate.

A fifty-three foot van may not be able to enter at all. That changes the loading plan before anything else is discussed: a flatbed loaded from the side by forklift, or a straight truck making two trips, is often the realistic answer. Saying which of those the yard allows shortens the whole conversation.

Counting cut lengths

Press rebuilds leave cable in forty to eighty foot pieces, taped at both ends and stacked on a pallet. Nobody labels those pieces, and nobody remembers which press they came off. The workable approach is a weight, a coil count and one measured sample per coil size, plus a note on whether the conductor is stranded or fine-stranded.

Mixed pallets are normal in Parma and not a problem, provided the mix is described. What causes a second visit is a pallet described as one size that turns out to hold four, which is the single most common way a small lot wastes a day.