Work Load.Acceleration/Deceleration Graph (Guide) LEFS40/Ball Screw Drive: Horizontal 0 10 20 30 40 50 Work load [kg] Acceleration/Deceleration [mm/s2] 0 10 20 30 40 50 60 Work load [kg] Acceleration/Deceleration [mm/s2] 0 20000 22500 17500 15000 12500 10000 7500 5000 2500 0 20000 22500 17500 15000 12500 10000 7500 5000 2500 0 20000 22500 17500 15000 12500 10000 7500 5000 2500 0 20000 22500 17500 15000 12500 10000 7500 5000 2500 0 5 10 15 Work load [kg] Acceleration/Deceleration [mm/s2] 0 10 20 30 Work load [kg] Acceleration/Deceleration [mm/s2] LEFS40�ｭA LEFS40�ｭA LEFS40/Ball Screw Drive: Vertical LEFS40�ｭB LEFS40�ｭB These graphs are reference examples of when an SMC standard AC servo motor is mounted. Determine the duty ratio after taking into account the load factor of the AC servo motor or driver to be used. The values show the specifications with a standard SMC motor used. Please use this as a guide. Model Selection Series LEFS Duty ratio: 50% Duty ratio: 75% Duty ratio: 50% Duty ratio: 75% Duty ratio: 50% Duty ratio: 75% Duty ratio: 50% Duty ratio: 75% The value of 50% or less is the same as duty ratio 50% The value of 50% or less is the same as duty ratio 50% The value of 50% or less is the same as duty ratio 50% The value of 50% or less is the same as duty ratio 50% 6 LEYG LEY LEJS LEFB LEFS Model Selection