Dry Surface Cleaning Machines for PCB, FPC and Film

An elastomer roller runs against the surface and lifts loose particles off it. Those particles transfer onto an adhesive paper roll, which winds them away permanently rather than redistributing them. That is the difference from an air knife or a brush: both move contamination around, and a contact cleaner removes it from the line.

Three belt types are available. An elastic belt is the standard and is what almost every machine ships with — we use Nitta and Forbo Siegling belts. A roller belt and a round belt are also available, but they are specified only occasionally, for materials the standard belt does not suit. The belt is chosen from your sample: thickness, and whether the back face can take contact, are usually what decide it.

Three roller materials are available: liquid silicone, solid silicone and rubber. Which one you need is decided from your sample, and it is the most important choice on the machine. Too little tack and fine particles stay on your material; too much and the roller pulls at the surface, which on thin film or a soft coating causes its own defects. We match the material and the grade to the sample you send rather than picking one from a datasheet.

Two per machine: the elastomer cleaning roller, and the adhesive paper roll that takes particles off it. The paper is supplied as two rolls — one upper, one lower — with a 3.0 inch core, 20 m per roll, 800 D tack and knife-free changeover. Rollers and rolls pull out on a drawer mechanism, so a change does not mean dismantling the machine.

Thickness from 0.022 mm up to 6 mm depending on configuration, effective width to 1500 mm, and length unrestricted on continuous material. The roller gap is adjustable from 0.1 to 6.0 mm with a one-touch mechanism and a digital readout, so one machine covers a range of thicknesses rather than a single one.

Yes, on almost every application. A charged surface pulls particles back out of the air within seconds of leaving the machine, so cleaning without neutralizing solves half the problem. The standard build is two ST-G ionizing bars made to the width of the machine. The ST-E is specified on wide machines where balance has to hold across the full span, and the ST-F where line speed is high. Some machines are also built with ST104A blowers mounted low on both sides.

An elastomer roller runs against the surface and lifts the particle onto an adhesive collection roll — it takes off what is stuck, not just what is loose, and it is what most board and sheet applications use. A brush machine agitates the particle free instead and an extraction system carries it to a separate collector, so no tack is pressed onto the working face. Both touch the material: a brush cleaner is still a contact process, and a magnetic levitation transport does not change that either — it changes how the material is carried, not what meets the surface. Classify a machine by what touches the material during cleaning, and check the actual cleaning interface, including any optional brushes or supporting surfaces.