TORQUE MOTOR INTERNAL PRECISION AND POWER COOLER; DIAMETER 502 MM; LENGTH 110 MM; MAX TORQUE 991 NM; MAX SPEED 100 RPM; MAX CURRENT 31.7 AEFF; WHEN USING THE DIRECT MOTORS ON FORK HEADS FOR MACHINE TOOLS A LICENSE FOR US PATENT US5584621 AND THE CORRESPONDING WORLDWIDE PATENTS AND THE CORRESPONDING