Vertical Sheet Metal Remnants Rack for Workshop Offcuts

Why Do Workshop Offcuts End Up in the Scrap Bin?

Every fab shop keeps offcuts. Very few can tell you what is in them. Material goes into a pile behind the guillotine, gets covered by the next job, and by the time someone needs a 400 × 600 mm piece of 4 mm mild steel, the pile has become a rummage box. Ordering a new sheet is faster and easier to justify, so the offcut stays there until the scrap merchant collects it.

The loss is quiet. Nobody records an offcut that was thrown away, or the sheet bought because of it. Over a year it shows up as higher material spend per finished tonne, not as a line item anyone can point at. When remnants have a defined place, a label and a drawer that opens, they get used. When they have none of those, they become floor.

How Do You Classify Remnants by Material and Thickness?

Classify by what the programmer searches for, not by what is easiest to write on a label. In practice that means three fields per drawer: material grade, thickness and sheet format. A fourth, minimum usable size, is optional and useful if the shop discards anything under a set dimension.

Labelling does not need software. A printed card in a holder on the drawer face, updated when a family moves, is enough. What fails is labelling once and letting three months of improvisation overwrite the system.

What Happens When Stainless Shares a Drawer With Steel?

Contamination, and it is not cosmetic. Carbon steel leaves free iron on the stainless surface. With moisture present that iron rusts, and the rust site becomes a pitting point, so a 316 offcut stored against a mild steel drop has effectively been downgraded.

The reverse applies to aluminium. Steel edges score the softer surface, and the scratches show through any later anodising or polishing. Copper is softer still.

Separate bays solve this at the design stage, which is cheaper than solving it in finishing. Specify the material mix when the rack is quoted, and ask for the bay layout in writing so the shop floor cannot merge two families later.

How Many Tiers Does a Mixed Shop Need?

Count material-and-thickness families, then add one bay for the material nobody planned for. That spare bay is what stops the system collapsing in month two.

The HC-V series is quoted with 8 tiers as standard and 10 to 15 when the mix is broader, with clear space customized in 60 mm steps. Thin gauge needs tighter spacing and more tiers; thick plate needs fewer tiers, wider spacing and a higher rating per layer.

How Does the Rack Change a Shift Handover?

Most lost material is lost at handover. The operator who cut the offcut knows what it is and where it went; the next shift sees an unlabelled shape. Within a week the knowledge is gone and the material might as well be scrap.

A classified rack does the remembering. Drawer position encodes the material family, the label gives thickness and format, and a glance down the aisle answers a question that used to need a phone call. Herochu supplies these racks to laser cutting, bending and sheet processing plants across Europe, Southeast Asia, the Middle East and North America, and the installations that stay organised are the ones where the classification rule was agreed with the operators first.

What About Offcuts Smaller Than a Full Sheet?

Small drops are where vertical racks either work or fail. A tray sized for a 3,000 mm sheet will hold a 300 mm square, but a mixed drawer of small pieces becomes a jumble the moment it is pulled.

Two fixes hold up. Group small drops by thickness in shallow trays near the top of the frame, or keep a lidded tote inside the drawer for pieces under a set size, so the tray still slides as one unit.

Which Model Fits a General Fabrication Shop?

Both take steel, stainless, aluminium, copper and irregular scraps. Herochu customizes outer dimensions, tier count, color and load rating, and the frame carries CE marking with ISO 9001 manufacturing.