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Levigatrici rotorbitali

Levigatrici rotorbitali (2)
Levigatrici orbitali

Levigatrici orbitali (1)
 

Levigatrici

(3 prodotti)
Sanding machines remove material from the vehicle: runs, dust inclusions, and orange peel in the clear coat, as well as body filler and primer before painting. Random orbital sanders with a 3 mm stroke provide a fine finish for paint, a 5 mm stroke removes more material, and orbital sanders level filled surfaces, all available in corded or 18V cordless versions. They cannot polish; a polishing machine smooths the sanded surface afterward.

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  • Levigatrici

    Levigatrici: le levigatrici muovono gli abrasivi adatti sulla superficie. Orbita, forma della macchina e aspirazione adeguata si scelgono su superficie, materiale e grana che vuoi ottenere.

    Macchina e abrasivo sono un sistema; una guida uniforme e il controllo di quanto togli restano decisivi.

    Troppa scelta in Levigatrici? Fatti aiutare a scegliere:

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    Frequently Asked Questions About Sanders

    Which sander is suitable for car paint?

    For individual paint defects in the clear coat, an eccentric sander with a 3 mm stroke is suitable because it leaves a fine sanding pattern. For filler and primer, a 5 mm eccentric or an orbital sander are appropriate. Tape off edges and beads, and after sanding, always follow up with polishing using a polishing machine.

    What is the difference between an eccentric sander and an orbital sander?

    The eccentric sander rotates a round disc while simultaneously oscillating it on a small circular path, which results in an even sanding pattern on surfaces and paint defects. The orbital sander moves a rectangular plate—70 × 198 mm with a 2 mm stroke for FLEX—and levels filled areas flat right up to the transitions.

    Eccentric sander with 3 or 5 mm stroke: which one for the car?

    For work on the clear coat, use a 3 mm stroke, because the shorter distance per oscillation sands flatter and leaves less work for the polish. The 5 mm stroke removes more material and is suitable for filler, primer, and larger surfaces. FLEX manufactures both with 8,000 to 20,000 strokes per minute and a Ø-150-mm disc.

    Can you polish a car with a sander?

    No, it is not built for that. The stroke, speed, and disc of a sander are tuned to abrasive media; polishing machines work with different values, such as 15 mm free-running for the FLEX "XFE 2 15 18-EC". The sander flattens the defect, and the eccentric polishing machine then restores the shine.

    Can I wet sand with an eccentric sander?

    Only if the manufacturer expressly approves the machine for it, as electrical devices and water do not mix. We do not have such an approval for the FLEX sanders in our range. Therefore, you should sand individual paint defects wet by hand, using P2500 sanding discs on the Koch-Chemie hand block for sanding discs.

    How do I prevent sanding through the clear coat?

    Tape off edges, beads, and curves, as the paint is thinner there and the disc exerts more pressure. Start with a fine grit—3M recommends P1000 or P1200 for runs—and only sand until the area is uniformly matte. Wipe off and check between stages. Only sand fresh paint once it has cured.

    Leveling paint defects with a sander

    1. Check for curing. Only sand freshly painted surfaces once the clear coat has cured. 3M notes that clear coat is heat-sensitive.
    2. Tape off edges and body lines. Tape off edges, body lines, and curves around the defect, as the paint is thinner there and will be sanded through first.
    3. Fine sanding. Equip the random orbital sander with a 3 mm stroke and fine grit; 3M recommends P1000 or P1200 for runs. Connect dust extraction, wear a P2 or P3 respirator, and work only on the defect at low speed.
    4. Intermediate inspection. Wipe away sanding dust and inspect the area under grazing light. If any spot is still shiny, stay with the same grit. If the area is uniformly matte, it is level.
    5. Finer stages. Refine the sanding pattern using finer stages; 3M recommends P2000 followed by P3000. Inspect again after each stage.
    6. Polishing. Polish the matte area with abrasive polish and a polishing machine until the sanding marks have disappeared and the gloss is restored.
Levigatrici

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