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This heavy-duty TR4 trapezoidal roof sheet panel making machine is a high-speed cold roll forming production line specifically configured for manufacturing popular TR4 trapezoidal profile roofing sheets widely used across Peru, Latin America, and global industrial construction markets. Built with 45# precision hard chrome-plated roller shafts, high-strength Cr12MoV hydraulic profile cutting blades, a 7.5 kW main motor drive, a dedicated 5.5 kW hydraulic power unit, and an intuitive PLC touchscreen control console, it produces precision corrugated panels with 1.25" rib height, 12" pitch, and 36" (914 mm) effective cover width at speeds up to 20 m/min without surface scratches or edge deformation.
| Item | Specification |
|---|---|
| Equipment Type | TR4 Trapezoidal Roof Sheet Panel Making Machine |
| Target Profile | TR4 Trapezoidal Roof (1.25" rib height, 12" pitch, 36" / 914 mm cover width) |
| Applicable Feeding Material | Color steel coils, galvanized plate (GI), or aluminum plate |
| Material / Rolling Thickness | 0.3 - 0.6 mm (customized per project) |
| Feeding Width | As requested per profile standard (e.g. 1000 mm / 1220 mm) |
| Production Capacity / Speed | 0 - 20 m/min |
| Main Motor Power | 7.5 KW (normally) |
| Hydraulic Station Power | 5.5 KW |
| Drive Mechanism | Heavy-Duty Chain Transmission |
| Shaft Material & Treatment | 45# solid steel, hard chrome plated surface |
| Cutting Blade Material | Cr12MoV alloy die steel (no scratches, no deformation) |
| Steps of Rollers | Engineered according to TR4 drawing specifications |
| Operating Voltage | 380 V / 50 Hz (or customized per regional electric grid) |
| Machine Total Weight | 6500 kg |
| Core Components | Motor, Bearing, Pump, Hydraulic Valves, PLC System |
| Quality Certification & Tests | Video outgoing-inspection and machinery test report provided |
| Warranty & Support | 1 Year Warranty with lifetime technical support |
| Minimum Order Quantity (MOQ) | 1 Set |
The TR4 line is built with a heavy welded steel foundation, precision machined side arch stands, and multi-stage forming roller passes. A standalone white PLC touchscreen console allows the operator to control feed speed, cut lengths, and production counts effortlessly.

The exit cutting unit is powered by a high-pressure hydraulic cylinder with an air-cooling radiator fan. The Cr12MoV cutting blades are CNC profiled to match the exact TR4 corrugation cross-section, ensuring distortion-free cutting. Hard chrome-plated rollers preserve sheet coatings from scuffs or paint flaking.


What is the TR4 roofing profile specification?
The TR4 panel features 1.25" (approx. 32 mm) rib height, 12" (approx. 305 mm) pitch spacing, and 36" (914 mm) effective cover width, highly popular in Peru and South American markets.
What material thicknesses can this machine process?
It processes color coated steel (PPGI), galvanized steel (GI), and aluminum coils in thicknesses from 0.3 mm to 0.6 mm.
What motor and hydraulic power ratings are installed?
The main roll forming motor is 7.5 kW, paired with a 5.5 kW hydraulic power pack equipped with an oil-cooling fan.
What material is used for the cutting blade?
The profile cutting blade is made of premium Cr12MoV alloy die steel to guarantee smooth, burr-free cuts without scratching sheet coatings.

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