MOISTURE CONDITIONING DEVICE FOR STRETCHED FILM MANUFACTURING EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To prevent the generation of wrinkles by preventing meandering of a non-stretched film running through a hot water tank and to perform stable moisture conditioning. SOLUTION: In the moisture conditioning device for stretched film manufacturing equipment for introducing the non-stretched film F into the hot water tank 11 to immerse the same in hot water for a predetermined time to perform the moisture conditioning of the film and sending out the moisture conditioned film to a stretching machine, a plurality of guide rolls 12u and 12d for guiding the non-stretched film through hot water are provided in the hot water tank to be divided into a plurality of roll groups A-D by one or more guide rolls from the inlet of the hot water tank to the outlet thereof and a roll speed control unit 17 capable of respectively adjusting the rotational speeds of the guide rolls 12u and 12d of the roll groups A-D is provided.