PST SERIES :
PNEUMATIC, THREADED VERSION, SWING CLAMP, DOUBLE ACTING, 4-7 KG/
INLET AIR PRESSURE
2
CM
Widely used for low clamping forces such as in light machining of aluminum parts or in welding fixtures.
Screw-in version can be mounted inside a hole provided in the fixture plate by locking the cylinder at desired height with the help of grooved nuts
supplied as standard accessory, as shown below. These cylinders are also light weight aluminium cylinders having stainless steel piston rod.
R/L signifies right hand swing / Left hand swing. Please indicate while ordering.
Standard Swing angle is 90°. Other Swing angles are also available on request.
2 nos. Grooved nuts are supplied as standard accessory with above clamps
with grooved nut
from below
with grooved nut
from above
with two
grooved nuts
Examples of Mountings
Grooved nut
Pneumatic Clamps
In right hand swing, when seen from above while clamping down, the arm first swings 90 degrees clockwise and then clamps down whereas in left
hand swing it rotates 90 degrees counterclockwise and then clamps down.
h1
h
i
M
ØW
5°
R
h3
h2
h4
Ød4
I
d3
f
unclamped
clamped
Air Inlets - 2 nos.
90°
90°
0
PLCU SERIES: PNEUMATIC, UPPER FLANGED VERSION, THREADED BODY LEVER CLAMPS, DOUBLE ACTING,
2
4-7KG/CM INLET AIR PRESSURE
Unlike swing clamps, in link clamps Arm swings straight up to declamp and down to clamp.
MODEL
A
clamped
Position
B C D
G
J
M P
R
N. W.
Kgs.
Bore
Dia.
Stroke
Force in
Kgs. at
2
(7 kg/cm )
H
D
A
Clamped
ØE
B
C
G
H
ØJ
ØR
ØL1
ØL2
M P
Q
M
MODEL
d3
f
h1
i
M O Air Inlets
R 2 nos. dia. w Piston
dia
Clamp
Position
h
Stroke
During
Swing
Straight
Clamping
Stroke
PST 25 R/L
PST 32 R/L
PST 40 R/L
PST 50 R/L
PST 63 R/L
M40x1.5
M50x1.5
M55x1.5
M65x1.5
M80x1.5
38
48
53
62
77
30
50
50
70
70
74
83
87
92
97
118
132
135
145
152
70
79
83
87
92
35
40
45
50
56
10
15
15
15
15
16
19
19
25
25
M6
M8
M8
M12
M12
M8
M8
M8
M10
M10
dia.
d4
h2 h3 h4
M5
1/8 BSP
1/8 BSP
1/8 BSP
1/8 BSP
Total
Stroke
Clamping
Force
at 5kg/cm2
14
16
16
20
20
25
32
40
50
63
14
16
15
14
15
14
14
14
14
15
28
30
29
28
30
16 kg
30 kg
50 kg
85 kg
140 kg
N. W.
Kgs
0.80
1.10
1.25
1.70
2.20
L1 &
L2
INLETS
Q
* GROOVED NUT SUPPLIED AS STANDARD.
*E
0.60
1.00
1.20
2.00
2.70
34
56
88
137
218
22
28
30
30
30
25
32
40
50
63
5.5
6.5
6.5
8.5
8.5
60
70
75
88
108
50
60
65
75
90
37
45
50
58
70
M5
G1/8
G1/8
G1/8
G1/8
M6x1.0
M8x1.25
M8x1.25
M12x1.75
M12x1.75
7
8
10
14
14
41
52
56
63.5
74
M40 x 1.5
M50 x 1.5
M55 x 1.5
M65 x 1.5
M80 x 1.5
17
20
25
30
30
25
25
25
25
25
86.5
97.5
97.5
104
105
111.5
129.5
132.5
144
149
PLCU-25
PLCU-32
PLCU-40
PLCU-50
PLCU-63
51