Acm Panel Sign

We can use manual or electric-drive 3-roll benders for bending Aluloyal . The smallest bendable radius of Aluloyal 4mm acm panel sign is approx. 300mm in 2500mmlong machines. The exact bendable limit depends on the bending roll diameter, rolling and the type of bending machine.

Notes on 3-roll bending:

1.Prior to a bending operation, wipe the roll surface carefully.

2.Remove any burrs at the Aluloyal acm panel sign edge that may cause dents while rolling.

3.Remove the cut particles stuck on Aluloyal acm panel sign and smooth may wrinkles on the protective film, which may cause dents.

4.Do not constrict Aluloyal panel between rolls (in thickness direction).Extreme compression may cause a physical damage of the core. Adjust the clearance between rolls to be the panel thickness plus some allowance (approx 0.5mm).

5.If a notch is desired in the panel, cut the notch after bending. Cutting the notch before bending will result in a distorted curving.

6.Generally, small radii will need gradual bending by adjusting the elevation of the bending roll several times.

7.In most 3-roll benders, the curve near the edge tends to be straight. We can reduce this straight portion to someextentby overlapping another auxiliary sheet material and bending together with Aluloyal . If require a consistent curve near the edge, we have to do additional edge bending after regular bending. Refer to fig 3-17.

8.When we carry out the bending work at a low temperature e.g.15°C and with small radius e. g.250mmR, the coating surface may change to a haze-like appearance. Warm the panel to 20°C or higher, and the haze-like appearance will disappear.

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