液压系统基础知识培训.ppt

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液压系统基础知识培训.ppt

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* Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. * Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. * Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. * Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. * Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. * Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. * Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. * Notes In order to retract the cylinder once it has completed its stroke, a directional control valve