Suitable for coating materials on the dry the surface of base material at given thickness and length; Then the coated films, as dried in the drying box, corrected, and tensioned, will be rewound up into the air shaft. Coating method: Continuous and clearance of transfer coating; Intermittent mode: Back roll driven by dual servos; Tool setting mode: Detected by imported displacement transducer, driven by servo motor to form an automatic close- loop adjust scraper gap; The casting base and thicken inside and outside steel plate is made the machine steady and eliminate the vibration; The front is provide thickness override function; Fully automatic tension correction control; Optional automatic sizing gent conveying system; Optional NMP/acetone solvent concentration detection and alarm device; Optional online radiation thickness monitor system; Optional NMP recycling system