SPL 450 AUTO is a programmable leather splitting machine with automatic search and positioning of all machine functions. The machine is equipped with an electronic digital panel complete with display which shows the entered data and supplies all the information concerning the machine functions with special acoustic signals when necessary. Splitting machines can be used mainly in the leather goods, shoe, furnishing and clothes industry and in the processing of felt and all elastic material with a certain softness. Automatic positioning and compensation for knife consumption. The knife adjustment is automatic. The sharpening is automatic and can be programmed by micrometric adjustment. The use of borazon long life grinding wheels allows a perfect sharpening. The machine is equipped with overturning guide bar and guide roll and their replacement is automatic and controlled by computer. The display shows the splitting thickness which has to be achieved, the feed speed, the knife condition and the number of processed pieces. The computer controls and shows all anomalies if any. Furthermore the machine is equipped with a partial splitting device controlled by computer with splitting millimetric adjustment very useful in the shoe and leather goods industry. Independent exhausters units for scraps and emery dust with relevant separate containers. Working pressure fast adjustment.