要清楚 负载的大小 ( J$ d1 e: }/ v+ V: ~/ w( sand then choose an actuator or pistion ) w! ~" F: @! M, Z- I* M6 p5 | 1 k5 u9 v0 o0 ^ B( }; I5 destablish the flow and pressure profile 9 z% I6 U- T* h; s* H' k. y% g) \+ z+ L2 Q' _, G
find out the horsepower you need 5 K6 B' V5 X1 K) E, e0 l+ J! ]' O8 e$ ?
be careful about the acceleration and deceleration period 7 x/ ^6 J: E& O" ~) v) @# F4 r; y. {) _$ F$ h
quite agree with #2