Static Control and Surface Cleaning, by Industry
Every line that handles an insulating material at speed builds a charge nobody is measuring, and that charge is what pulls particles back onto a surface seconds after it was cleaned. What changes between industries is where the charge is generated, how tight the ion balance has to be, and how much contamination the product can tolerate.
Industries We Supply
Six areas where Shidike anti static bars, ionizing air blowers and contact cleaning machines are specified, and the production problem each one is bought to solve.
Roll-to-Roll Film & Web Converting
Film separating from a roller generates charge continuously, so the web clings to itself and to the machine, tracks off centre, and pulls contamination back on before it reaches the rewind. This is the textbook case for a bar, and the one where an undersized or badly placed bar fails most visibly.
What we supply: Ionizing bars at the unwind and the infeed, made to the web width up to 3 m. The ST-E holds balance across a wide span; the ST-F is rated 2.5× a conventional bar for high line speeds. No compressed air needed inside the 1 m working range.
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Packaging, Printing & Labelling
Charged sheets repel or cling as they drop, so stacks fan out, automatic counting drifts, labels sit crooked and sheets double-feed at speed. Operators get shocks at the delivery, which is a real hazard around solvent-based inks.
What we supply: ST-G bars at the delivery and the feeder, cut to the sheet width. Ion balance ±50 V, the tightest in the range, from a DC 24 V supply at 12 W — no external power supply box and no fixed high-voltage cable to route.
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Plastics, Moulding, Textile & Nonwoven
Moulded parts come out of the tool charged and attract dust before they are packed. On textile and nonwoven lines the charge builds through every roller, the web will not lay flat, and the operators feel it all shift.
What we supply: Bar-type eliminators along the line and ionizing air blowers at the operator and packing positions — from the ST-S200 built into a machine, up to the ST1200 covering 140 × 120 cm across a full line.
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SMT & Electronics Assembly
Electrostatic discharge damages components without leaving a mark, so the defect only appears at test or in the field. Particles trapped under a placed component cause the same failure with a different root cause.
What we supply: Ionizing air blowers over the workstations and bars at the handling points, with an inline cleaner at the board infeed where particles are the issue. Surface voltage verified with a field meter rather than assumed.
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PCB, FPC & CCL
Laminate and flexible circuit surfaces hold a charge through cutting, lamination and handling, so dust settles back onto a board that was clean a minute ago and shows up later as an open, a short or a rejected joint.
What we supply: Contact cleaners with the roller tack matched to the laminate, and ST-G bars ahead of the cleaning station so the surface is neutral before it is cleaned. Cleaning a charged board does not hold.
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Display, Optical Film & Polarizer
On an optical stack a single particle is a visible defect. The surfaces are soft, coated, and cannot take an aggressive roller or a hard transport.
What we supply: Precision cleaners for polarizer, backlight and LCM work, with roller tack graded down for coated layers and static control set to the residual surface voltage your own parts tolerate — a separate figure from an eliminator ion balance, and one your process defines rather than us.
View related productsBar-type static eliminators are also used in lithium battery electrode handling, photovoltaic production, nonwoven converting, injection moulding and automated assembly — any process where an insulating material separates from a roller, a tool or a stack. If you are new to the technology, start with what is an ionizing bar.
The Two Product Lines Behind Every Application
Static control first, surface cleaning second, and the integration work that decides whether either of them actually holds on your line.
Neutralize the charge before it costs you yield
Bar-type static eliminators rated 6.5 kV pulse output, bar ion balance from ±50 V, a 30–1000 mm working range and bar length made to order up to 3 m, plus ionizing air blowers from 45 to 360 CFM for workstations and enclosed areas.
Learn more Surface CleaningRemove particles instead of moving them around
Contact cleaning machines for boards, sheets and continuous web: 0.022 to 6 mm thick, to 1500 mm wide, with the belt, roller tack and roller gap chosen from your sample rather than from a catalogue.
Learn more Line IntegrationFit the equipment into the line you already run
Shidike matches conveyor height to the upstream and downstream equipment, works out mounting positions and bar pitch, and specifies the PLC, alarm and machine-control signals the line needs.
Learn moreWhat to send for an application review
Every line is different, so a useful recommendation needs the real process rather than the industry name. Send these and Shidike will return a configuration, a mounting position and a unit count:
- The material, its thickness, and a physical sample if a cleaning machine is involved
- Working width, and whether length is fixed or continuous
- Line speed
- Measured surface voltage, or the defect you are seeing
- Available mounting space, and the conveyor height to match
- Required PLC, alarm, or machine-control signals
Send your application details →
Common questions
Do I need static control, surface cleaning, or both?
Almost always both, and the order matters. A charged surface pulls particles back out of the air within seconds, so cleaning a charged material solves half the problem and the contamination returns before the next station. Neutralize first, then clean. If your only symptom is a shock or a jam and there is no particle requirement, static control alone is enough.
My line already has ionizing bars and dust still comes back. What is wrong?
Usually one of three things: the bar is outside its working range, the ion balance is too loose for the material, or the bar is mounted after the point where the charge is generated instead of before it. Charge is created where material separates — off a roller, out of a tool, off a stack — so the bar has to sit at that point. Measure the surface voltage with a field meter before and after; guessing is what makes this problem persist.
Can this equipment be fitted into a line that is already running?
Bars are the straightforward case: 30 to 1000 mm working range and length made to order, so there is usually a mounting position that works without moving anything. Cleaning machines need the conveyor height matched to the equipment on either side, which is why we ask for it before quoting rather than after.
Is every cleaning machine non-standard?
Yes. There is no catalogue model that fits a line as-is. The belt type, the roller tack grade, the roller gap and the static package are all chosen from the sample you send, because those four decisions are what make the machine work on your material rather than on someone else's.
Which ionizing bar suits which application?
The ST-G is the default and has the tightest ion balance in the range at ±50 V. The ST-E is specified where balance has to hold across a wide or long span, which is the case that defeats ordinary bars. The ST-F is the speed model, for material moving faster than a standard bar can keep up with. All three are rated 6.5 kV pulse output from a DC 24 V supply over the same 30 to 1000 mm working range; the discharge method differs — pulsed AC on the ST-G, pulsed DC on the ST-E and the ST-F.
What do you need to know before recommending equipment?
The material and its thickness, the working width, the line speed, the mounting space available, and either a measured surface voltage or a clear description of the defect you are seeing. For a cleaning machine, a physical sample of the material as well — that is what decides the belt and the roller tack.