Nip roll machines with larger openings than 1 ½” are available in two models – the SP3, which can have up to a 3” opening between rolls, and the SPL, which is able to go to a 6” opening.
SPL – Large Opening Rotary Press:
This style nip roller is designed for lamination of thick parts such as foam sheets. It has capability to open up to 6” between rolls. It is used for foam packaging assembly, laminating PSA film to foam, foam lamination, and laminating thick parts such as corrugated built-up blocks.