Energy & Electric Roll Forming Machines | Cable Tray, Strut, DIN Rail
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Energy & Electric Roll Forming Machines

Cable tray, strut channel and DIN rail lines for electrical infrastructure — built to hold a standard rather than a drawing, with the hole pattern punched in line and the surface finish protected from coil to pallet.

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5Machine types
0.6 - 3.0 mmSteel thickness
2-10 TonCoil Weight
21x41 to 81 x 41 mmStrut Dimensions

Roll forming machines for energy and electrical applications

5  Machines Available
Cable Tray

Cable Tray Roll Forming Machine

A cable tray roll forming machine turns flat metal coils into finished cable tray profiles in one continuous pass. Raw galvanized steel, stainless steel, or aluminum strip feeds in from one side.

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Strut Channel

Uni Strut Channel Roll Forming Machine

A Uni Strut Channel Roll Forming Machine takes flat metal coils and bends them into U-shaped strut channels. These machines are very important for modern factories. Furthermore, they work automatically and make parts incredibly fast.

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What an electrical roll forming line has to get right

Cable tray, strut channel and DIN rail share a requirement that roofing profiles do not: the finished part has to fit a standard, not a building. A cable tray that is 2 mm out will not take its cover. A strut channel rolled at 41.3 mm instead of 41 mm will not accept standard fittings. A DIN rail outside the 35 mm top-hat tolerance will not hold a breaker.

That is the design brief for this group of machines. Hold the tolerance, punch the pattern in line so the holes stay referenced to the formed section, and protect the coating — because these parts are usually galvanised, and a mark on the zinc is a rejection at goods-in.

Cable tray: the volume product

Cable tray lines run 0.6 to 2.0 mm galvanised, stainless or aluminium strip and produce the C-section tray that carries wiring through commercial and industrial buildings. Three dimensions decide the line: tray width, side height and the hole pattern. Get the pattern wrong and the tray still works, but it will not match the rest of the installation on site.

The perforated cable tray production line is a duplex system: it punches and forms in one pass, so every hole is positioned relative to the formed section rather than drilled afterwards. That is the difference between a line that runs at production speed and a line that needs a second operation and a second operator.

Strut channel: the 41 mm grid

Uni strut channel is the support system behind cable trays, pipe runs and mechanical services. Standard channel is 41 x 41 mm, and the entire fitting ecosystem — brackets, clamps, hangers — is built around that groove, so the section is effectively a purchased standard rather than a free design.

Lines are available for plain channel, slotted channel and the deeper strut profiles, and the chain transmission design is for plants running long campaigns on a single profile: the chain drive keeps every stand in step without a line shaft running the length of the machine.

DIN rail: small profile, tight tolerance

DIN rail is the smallest profile in the range and the least forgiving. It is rolled from 1.0 to 1.5 mm cold rolled carbon steel, galvanised steel or stainless coil in top-hat, C-section and G-section forms, and used to mount circuit breakers and other modular electrical equipment inside enclosures.

The 35 mm top-hat rail is a standardised part: 35 mm wide, 7.5 or 15 mm deep, with a rolled lip that the breaker clip grips. The forming sequence has to hold the lip geometry and the overall width at the same time, which is why DIN rail lines are specified on tolerance rather than on speed. If your market is switchgear assembly rather than tray installation, this is the line that decides whether your product is accepted.

Specifications at a glance

Figures come from the published specification of each line. Final values are confirmed against your section drawing before order.
Line Material thickness Notable
DIN rail 1.0 - 1.5 mm Top-hat, C and G rail; 35 mm standard top-hat
Cable tray 0.6 - 2.0 mm Galvanised, stainless or aluminium coil
Perforated cable tray line 0.6 - 2.0 mm Duplex system: punching and forming in one pass
Uni strut channel per drawing 41 x 41 mm grid; plain or slotted back
Chain transmission strut per drawing Chain drive for long single-profile campaigns

How to specify an electrical line

Start with the section drawing and the standard it has to meet, not with the machine. For cable tray that means the family of widths and side heights you actually sell, because one line is usually specified across a catalogue rather than for a single size. For strut channel it means the slot pattern: plain, slotted, or both. For DIN rail it means the rail type and the tolerance your customers inspect against.

Then add the material and coating you will buy, the coil weight you can handle, and target output per shift. Galvanised coil is the item most often left out of a first enquiry, and it is the one that changes the roll finish and the guide design. If you are still working out how much material a project needs, the metal coil calculator converts section length and thickness into coil weight, and our guide to choosing, operating and maintaining a roll forming machine covers the maintenance side once the line is installed.

Frequently asked questions

What is an energy and electric roll forming machine?
It is a cold roll forming line that produces the metal parts of an electrical installation: cable tray, strut channel and DIN rail. Coil goes in at one end; punched, formed, cut-to-length sections come out at the other, ready for galvanising or direct shipment.
What steel thickness do these lines run?
DIN rail lines run 1.0 to 1.5 mm cold rolled carbon steel, galvanised steel or stainless coil. Cable tray lines, including the perforated production line, run 0.6 to 2.0 mm. Strut channel is specified per drawing, because the wall thickness follows the load rating of the channel rather than a single standard.
Why is tolerance more critical on DIN rail than on roofing sheet?
Because DIN rail is a standardised part, not a building product. A 35 mm top-hat rail with the wrong lip depth will not hold a circuit breaker clip, and the whole batch becomes scrap. Roofing sheet tolerances are visible; DIN rail tolerances are functional.
Can one line produce plain and slotted strut channel?
The line has to be specified for the slot pattern you intend to sell. Slotted channel needs a punch station positioned before forming, with tooling matched to the slot pitch, while plain channel needs no punching at all. Deciding which family you sell is part of the specification, not an afterthought.
What materials can these lines handle?
Galvanised steel coil, cold rolled carbon steel, stainless steel and aluminium strip, depending on the line. Galvanised coil is the most common for cable tray and strut, and it is also the least forgiving: every roll and guide that touches the strip can mark the zinc coating, so the forming and run-out sections are designed around surface protection.
What information do you need to quote a line?
The section drawing with dimensions, the material and coating you will buy, the hole or slot pattern, your target output per shift, and the coil size you can handle. For cable tray, add the widths and side heights in your catalogue, because the line is usually specified across a family rather than a single size.