THE 1990 HEESEMANN LSM4 IS A WIDE BELT SANDER DESIGNED FOR WOODWORKING APPLICATIONS. KEY SPECIFICATIONS INCLUDE A SANDING WIDTH OF 1300 MM, A SANDING BELT LENGTH OF 2620 MM, AND A MAXIMUM WORKPIECE THICKNESS (PASSAGE HEIGHT) OF 80 MM. THE MACHINE FEATURES A CONTINUOUSLY VARIABLE FEED RATE, TYPICALLY RANGING FROM 5 TO 25 M/MIN. IT IS EQUIPPED WITH ONE LONGITUDINAL SANDING UNIT (11 KW) AND ONE CLEANING BRUSH (1.5 KW). THE SANDING AGGREGATES TOTAL ONE ROLLER AND ONE PAD (WITH AN OPTIONAL COMBINATION UNIT), OFTEN INCLUDING A SEGMENTAL PRESSURE PAD (ELECTRONIC, 60 MM SEGMENT WIDTH) AND A CLEANING BRUSH. FEATURES MAY INCLUDE A BLOWING-OFF DEVICE FOR THE CONVEYOR BELT, ELECTROPNEUMATIC JUMP-IN CONTROL, AND ELECTRICAL TABLE HEIGHT ADJUSTMENT WITH A DIGITAL DISPLAY. THE TOTAL CONNECTED LOAD IS APPROXIMATELY 24 KW. THE MACHINE'S APPROXIMATE WEIGHT IS 4000 KG, WITH SPACE REQUIREMENTS OF 3.1 M IN LENGTH AND 2.3 M IN WIDTH, AND A HEIGHT OF 2.35 M.