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Metal Decking Rolling Forming Machine for Dominican

Composite Metal Deck rolling forming machine for USA

Dovetail Metal Decking Rolling Forming Machine

Description:Buy a 1.5” composite steel deck roll forming machine for shorter spans: embossed floor deck profile, GI/Galvalume coil, PLC control, hydraulic cut, customizable cover width and gauge range for export fabrication.

1.5” Composite Steel Deck for Shorter Spans Roll Forming Machine: Precision Line for Low-Profile Composite Floor Deck

A 1.5” composite steel deck roll forming machine​ produces low-profile, embossed metal floor deck panels used for shorter span composite slabs. It forms galvanized or Galvalume coil into trapezoidal rib profiles with concrete-bonding embossments, then cuts panels to set length. The 1.5-inch depth reduces concrete volume versus 2” or 3” deck, and is typically specified where span tables, slab thickness, and cost control favor a shallow composite deck.

Why this machine matters

The 1.5” composite deck profile is the shallowest common composite floor deck depth. It is not a generic roofing corrugation: it must carry embossments​ on the rib faces so the cured concrete develops composite action with the steel panel. A dedicated roll forming machine must control rib depth, emboss depth, flatness, cover width, and cut length consistently—because field erection speed depends on panel accuracy.

Key points:

Produces 1.5 inch / 38 mm​ composite floor deck for short spans

Suitable for GI, Galvalume, cold-rolled steel coils

Integrated embossing rollers​ for concrete mechanical bond

PLC-controlled length cutting, hydraulic or fly-cut options

Custom profile drawings supported: cover width, rib pitch, emboss pattern

Export configuration: voltage, language, color, marking, spare parts

What is 1.5” composite steel deck for shorter spans?

Composite metal deck is a cold-formed steel panel placed over steel beams before concrete is poured. After curing, the deck and concrete act together as a composite slab. The 1.5” deck is a low-profile option: it uses less concrete than deeper profiles and is commonly chosen for shorter spans​ in commercial, industrial, and residential floor systems.

It is different from form deck. Form deck is mainly permanent formwork; composite deck adds embossments so the steel participates in the structural bond with concrete.

Typical design note: for a 1.5” deck, a minimum concrete topping is often specified over the ribs to reach the required total slab thickness; common guidance is about 2” concrete over ribs​ for an approximate 3.5” total slab. Final span and load values must come from the project span table and engineer approval.

Profile features the roll former must control

A short-span 1.5” composite deck profile usually includes:

Deck depth:​ 1.5” / 38 mm

Rib shape:​ trapezoidal or modified trapezoidal

Cover width:​ common 36” / 914 mm class, customizable

Embossments:​ staggered or patterned indentations on rib walls

Coil edge:​ controlled springback, no cracking of zinc coating

Length tolerance:​ ±1–2 mm with PLC set-length cutting

Flatness:​ critical for fast deck placement and screwing

The machine must not flatten the embossments during later forming passes. Proper relief in roller stations preserves emboss depth and concrete bond performance.

Machine configuration

Below is a practical export-spec configuration. Values can be adjusted to your profile drawing.

This configuration targets repeatable deck geometry, not just “making a rib shape.” For export fabrication shops, that means fewer site rejections and faster erection.

Production workflow

Step 1 — Coil loading:​ Place GI/Galvalume coil on manual or hydraulic decoiler; align strip into the entry guide.

Step 2 — Leveling:​ Remove coil camber and edge wave before forming.

Step 3 — Embossing:​ Form rib-wall embossments that create mechanical lock with concrete.

Step 4 — Roll forming:​ Progressive stands shape the 1.5” trapezoidal deck while controlling springback.

Step 5 — Length cutting:​ PLC sends cut signal at set length; hydraulic shear cuts cleanly.

Step 6 — Discharge and stacking:​ Outlet table or auto stacker collects panels; inspect rib depth, emboss, cover width, and square cut.

Applications and buyers

Use the 1.5” short-span composite deck line if you supply:

Commercial building floors with moderate bay sizes

Warehouse and factory mezzanine floors

Multi-level parking structures

Residential and apartment composite slabs

Prefabricated building floor cassettes

Retrofit floors where slab depth is limited

It is best when the structural design does not​ require deep-deck long spans. If the engineer’s span table demands longer unshored spans, 2” or 3” composite deck may be specified instead.

How to choose the right machine

Ask these before ordering:

Do you have the profile drawing? Cover width, rib pitch, rib height, emboss pattern, lip, stiffener.

What gauge range will you actually run? 22, 20, 18, 16 gauge are common.

What coil coating? G60/G90 galvanized, Galvalume, or painted.

What speed do you need? 10–15 m/min for heavy emboss; higher if profile allows.

Post-cut or fly-cut? Fly-cut improves continuity for high output.

Export needs: voltage, PLC brand, language HMI, CE/optional certification docs.

Stacking and packaging: manual table, auto stacker, bundling.

We usually recommend sending your deck drawing and target gauge first. The roller flower is then designed around emboss preservation and strip thickness.

FAQ

Q1: What does “shorter spans” mean for 1.5” composite deck?​

It means the shallow 38 mm profile is selected when the structural span table allows shorter deck spans between beams. Exact span depends on gauge, concrete thickness, load, shoring, and engineer calculation.

Q2: Can one machine make 1.5” composite deck and form deck?​

Often yes if the difference is mainly embossing. Disable or bypass emboss rollers for plain form deck; rib tooling may remain the same. Confirm with profile drawings.

Q3: What thickness is best?​

Common 22–16 gauge (0.75–1.52 mm). Lighter gauge saves cost; heavier gauge improves construction-span performance.

Q4: Does the machine preserve embossments?​

A proper line uses dedicated emboss tooling and relief in later stands so emboss depth is not flattened during forming.

Q5: What cover width can be produced?​

Many 1.5” composite decks are around 36” / 914 mm cover width, but the machine is built to your drawing—common widths can be customized from coil width.

Q6: How long to manufacture and ship?​

Typically 45–75 working days depending on customization, then ocean freight and export packing.