I have a pneumatic application that needs a proportional control valve, but my input for controlling the valve needs to be a linearly moving rod. I am trying to reduce the complexity of the mechanism required to go from a manual linear input to controlling the flow through a valve. It also needs...
I am working on a design where I am trying to use a dual-acting air piston to slow down a downwards moving weight. Say the weight can be anywhere between 50 and 200 pounds. The difficult part is that the downstroke of the piston must move down at roughly the same rate regardless of the size of...