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4-roller rolling machine
4-roller rolling machine

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It is easy to centre the plate when using four roller rolling machine, the craft versatility is broad, also you can rectify flaws slanting and other defects which was caused during rolling time; you can finish assembling and spotting welding at once; it can finish pre-bending and roll steel plate by feeding once, The surplus straight edge is small, it is a ideal machine for rolling round and curved work piece.

It is easy to centre the plate when using four roller rolling machine, the craft versatility is broad, also you can rectify flaws slanting and other defects which was caused during rolling time; you can finish assembling and spotting welding at once; it can finish pre-bending and roll steel plate by feeding once, The surplus straight edge is small, it is a ideal machine for rolling round and curved work piece.

W12NC series 4-roller rolling machine is mainly made up of upper roller part, lower roller part, side roller part, overturning device, left and right frame, base, transmission part, sensing device, hydraulic system, and electric system and so on.

The machine is a special equipment that uses the principle of three points to form a circle to roll metal plates from flat plates into curved and cylindrical workpieces. It has the following actions:

1. The lower roller moves vertically. Power: hydraulic cylinder. Function: Through the cooperation of the upper roller and the side roller, the bending deformation of the end of the plate is completed.

2. The side roller moves obliquely. Power: hydraulic cylinder. Function: Apply pressure to the plate and cooperate with the upper roller to complete the symmetrical bending of the plate.

3. The upper roller rotates. Power: hydraulic motor. Function: Move the plate to cause continuous bending and deformation of the plate, and gradually become cylindrical.


Technical parameter 

Machine modelW12NC-16×2000

Max plate thickness: 16mm

Max plate width: 2000mm

Plate yield limit: 245Mpa

Max pre-bending thickness: 12mm

Min rolling diameter: Φ700mm

Upper roller diameter: 330mm

Lower roller diameter: 300mm

Side roller diameter: 230mm

Rolling speed: 3.5m/min

Main motor power: 15kw

Machine weight12 tons

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