TR10 and TR40 Trapezoidal roof sheets are the most popular design in Serbia. One of our distributors from Serbia usually buys double-deck roll forming machines. The top layer is a TR10 design, with 16 rolling stations; the bottom layer is a TR40 design, with 24 rolling stations.

The main technical specifications of double-layer roll forming machine for TR10 and TR40

The top layer is TR10, 16 rolling stations; the bottom layer is TR40, 24 rolling stations.

Shaft material: high-quality C45 steel

Shaft diameter: 80mm

Shaft processing: through 2 times lathe machine processing, 1 time grinding machine processing, and 2 times milling machine processing.

Rollers material: high-quality C45 steel, with hard chroming treatment, chrome thickness up to 0.05mm

Main driven motor power: 11KW

Basic frame: 500H beam welded

Machine structure is a medium steel plate welded, with a thickness is 20mm.

Transmission by double chains, more stronger.

The hydraulic pump motor power is 5.5KW.

The speed is 15-20m/min

The machine working flow:

Machine photos as below：

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