Page 59 - Clippard - Pneumatic Modules

MODULAR VALVE CIRCUITS

Bleed Piloted 4-Way Valve C-1
Pressure in line 4 pilots valve V2 so that C-1
the cylinder is retracted on the valve V-2
S
and C-1 retracted. When V-1 is actuated, V-1
the pressure is exhausted from 4 faster 8 2 MWV-1 1
than the restricted supply at 5 can make it 4 E 7 8 2 3 E
6 4
up. The spring then shifts the valve and 5
7 3 V-2
C-1 extends. 1 5 V-1
V-2 S R-441
S c S C MWV-1
R-441
Unique Open-Close Pulse Circuit
This pulse circuit can be adapted to a wide variety of uses. It consists of an MAV-3 3-way
valve and two standard R-341 modular valves, and is being used to open and close a
collet vice on a milling fixture. Circuit operation: when V-1 is depressed, V-2 gives an
OUTPUT OUTPUT
output pulse at “A”. The length of the pulse is predetermined by the needle valve
A B
adjustment on V-2.
When V-1 is released, a pulse occurs at “B”. 6 6
This pulse is also determined by the length A B
S S 3 3
of the needle valve on V-3. Thus both
2,8 2,8
pulses are independently ad- S S V-3
8 1 2 8 1 2 V-2 1 1 R-341
justable. Note that the R- 7 3 E Vol. 7 3 E
6 4 6 4 R-341
341 allows supply to be V-1 5 V-2 5 V-3
segregated from the pilot MAV-3 4 4
R-341 R-341
signal which allows for V-1 7 7
MAV-3 Vol.
different pressures or gases
to be controlled. S S
“Latch” Circuit
C-1 C-1
Actuation of V-1 pilots V-3 and extends C-1. The
V-2
same pressure that extends C-1 also passes through MAVO-3
V-2
V-2 and holds the twin pilot down locking C-1 in S
MAVO-3
the out position even though V-1 is released. When
8 2 V-1
V-2 is actuated, breaking the line between port 2 & 5 MAV-3 8 1 2
5, V-3, and exhausting the pilot, the spring will shift 4 E 7 6 4 3 E V-1
5
the valve V-3, causing C-1 to retract. 7 1 3 V-3 S V-3 MAV-3
S R-431 R-431

“Active Or” Circuit
C-1
V-1
Actuation of any one or all of the input MAV-3 V-4 C-1
signal valves, V-1, V-2, V-3, V-4, will MAV-3
S
cause an active output (an output from a
V-2
separate air supply source). MAV-3 V-3 S
2 4
5 MAV-3 S
7 S
6 8 8 1 2
3 1 V-3 7 3 E
MAV-3 6 5 4
S V-5 V-1
S
R-311 S V-5 MAV-3
R-311 S
V-4
V-2
MAV-3
S MAV-3
S
297 Clippard Instrument Laboratory, Inc. 877-245-6247 www.clippard.com