Pneumatics 1 Flashcards
CFM stands for?
Cubic feet per minute (rate of flow)
The minimum number of positions a DCV can have is?
2
The minimum number of ways a DCV can have is?
2
Valves control these conditions of flow?
Pressure of flow
Direction of flow
Rate of flow
Valves can be classified in 2 ways
Normally passing
Normally non-passing
Positions, ways, np, nnp, and number of returns are all features of?
DCVs
2 position 4 way DCVs are?
Always passing.
2 way valves control
On/off
3 way DCVs do what?
Pressurize or exhaust a port.
4 way valves allow for?
Powered motion and powered reversible motion.
5 port 4 way valves allow for?
Powered motion, powered reversible motion, speed control.
3 center positions for DCVs are?
Blocked, exhaust, pressure
A spool acting upon a knotch or a groove to hold a position
Detent held
DCVs have what type of ports?
Working and exhaust.
Where should I mount a flow control valve in relation to my cylinder?
As close as possible.
Pneumatics is taking pressurized potential energy and converting it into?
Kinetic energy due to expansion from the pressurized state in a flow direction.
The 4 ways to operate DCVs are?
Manually
Mechanically
Electronically
Pilot pressure
