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Used diffusers in China

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Overview

Coating and laminating machines apply liquid, film or adhesive layers to substrates like paper, film, foil, or textiles to add protection, appearance or functional properties. These systems range from simple laboratory coaters to high-speed web lines with drying ovens, metering rollers, gravure or slot-die heads, and unwind/rewind stations. Buyers look for coating type, width, speed, temperature control and ease of changeover to match production needs.

FAQ

What should I check when buying a used coating or laminating machine?

Check coating method (slot-die, gravure, knife-over-roll), maximum web width, line speed, condition of metering/doctoring parts, control systems, and available spare parts. Request run sheets and maintenance records.

How can I ensure safe shipping for a coating line?

Disassemble into transportable sections, secure rollers and shafts, drain hazardous fluids, protect precision heads and electronics, and use flatbed or container shipment with crane loading and insurance.

What regular maintenance keeps coating equipment reliable?

Schedule routine inspection of rollers, bearings, seals, heaters and temperature controls; clean coating heads and pumps after runs; replace doctor blades and seals as needed; and keep electrical controls and calibration documented.