Work load [kg] Speed [mm/s] Work load [kg] Speed [mm/s] Work load [kg] Speed [mm/s] Work load [kg] Speed [mm/s] Work load [kg] Speed [mm/s] Work load [kg] Speed [mm/s] 0 200 400 600 800 1000 0 200 400 600 800 1000 0 200 400 600 800 1000 1200 0 200 400 600 800 1000 0 200 400 600 800 1000 1200 0 200 400 600 800 1000 1200 0 10 20 30 0 10 20 30 0 10 20 30 40 50 60 0 10 20 30 0 10 20 30 40 50 60 70 0 10 20 30 40 Lead 6: LEFS25�ｭB Lead 12: LEFS25�ｭA Lead 6: LEFS25�ｭB Lead 12: LEFS25�ｭA Lead 8: LEFS32�ｭB Lead 16: LEFS32�ｭA Lead 10: LEFS40�ｭB Lead 20: LEFS40�ｭA Lead 8: LEFS32�ｭB Lead 16: LEFS32�ｭA Lead 10: LEFS40�ｭB Lead 20: LEFS40�ｭA Speed.Work Load Graph (Guide) LEFS25/Ball Screw Drive LEFS40/Ball Screw Drive LEFS32/Ball Screw Drive Horizontal Vertical Horizontal Vertical Horizontal Vertical Allowable Stroke Speed LEFS25 LEFS32 LEFS40 Model AC servo motor 100 W /�ｭ40 200 W /�ｭ60 400 W /�ｭ60 Lead (Motor rotation speed) Symbol [mm] A B 12 6 Up to 100 Up to 200 900 450 (4500 rpm) Up to 300 (3750 rpm) 1000 500 (3000 rpm) Up to 400 1000 500 . . . Up to 500 Stroke [mm] 720 360 (3650 rpm) Up to 600 540 270 (2700 rpm) 800 400 (3000 rpm) Up to 700 . . . 620 310 (2325 rpm) 940 470 (2820 rpm) Up to 800 . . . 500 250 (1875 rpm) 760 380 (2280 rpm) Up to 900 . . . . . . 620 310 (1860 rpm) Up to 1000 . . . . . . 520 260 (1560 rpm) (Motor rotation speed) A B 16 8 (Motor rotation speed) A B 20 10 . The values shown below are allowable values of the actuator body. Do not use the actuator so that it exceeds these specification ranges. . The allowable speed is restricted depending on the stroke. Select it by referring to “Allowable Stroke Speed” below. [mm/s] Model Selection Series LEFS 4 LEYG LEY LEJS LEFB LEFS Model Selection