Mattresses side members gluing machine. The AX‐L machine is a machine patented by APER, and has been designed to automate the glue-spreading on both sides of the pad that forms the mattress, both in the mattress version with pocket springs and in the version with bonnel springs. The AX-L applicator machine can work with either single-component or bi-component water base-glues It is managed by a PLC touch screen that aided by the electronics installed, is able to automatically detect the dimensions of the side member and adapt the nozzles to this position. The AX-L machine consists of a side member handling system and a delivery group that adapts to the dimensions of the part to be glued so as to perform a rapid application, clean and accurate over the entire surface of the pad.