SMC Networks CKZT-X2798 Series User manual

192.4
mm
Manually operated handle
(Unclamping position)
53
mm
CKZT25
CKZT32
Lightweight Weight :580 g
(ø25, Rubber cover)
Compact Width :34 mm
Height :192.4 mm
(ø25, Arm opening angle: 90°, Rubber cover)
Clamping force : 1100 N
(ø32, Arm length: 50 mm, 0.5 MPa pressure)
Power Clamp Cylinder
ø25, ø32
For material handling and
clamping of small workpieces
Compact Type
Force amplification with a toggle
mechanism and lock function
Can hold a clamped state when supply pressure drops or
residual pressure is released
Spatter-proof construction
Fully closed structure prevents the intrusion of spatter
Equipped with a proximity switch
that can be used in welding
magnetic fields
A model with a manually
operated handle is available.
For manual workpiece setting processes
High clamping force
Lightweight
Lock function
Compact
34 mm
NewNew
Selectable
rubber or
metal cover
16-E682
INFORMATION
CKZT -X2797, -X3064 (Base Type)
-X2798, -X3174(With Manually Operated Handle)
A

Clamp arm
How to Order
Arm mounting position
C
Center
R
Right
L
Left
CKZT A00025 CS X2797
Mounted clamp arm
Power Clamp Cylinder
CKZT -X2797, -X3064
-X2798, -X3174
ø25, ø32
Compact Type
Base type
Arm opening angle
Bore size
25 25 mm
32 32 mm
Manually operated handle
mounting position
L(Left side mounting)
Port
R(Right side mounting)
Port
90 90°
105 105°
*Please contact SMC for
other opening angles.
CKZT X2797
X2798
CKZT
S
S
105
105 L
With manually operated handle
With manually operated handle
25
25
Top cover
Top cover
X2797
Rubber cover
(Equivalent to UL94 Standard
V0: Flame resistant)
X3064 Metal cover
X2798
Rubber cover
(Equivalent to UL94 Standard
V0: Flame resistant)
X3174 Metal cover
1
A

Power Clamp Cylinder CKZT -X2797, -X3064
-X2798, -X3174
CKZ25 53B781EL R
Cylinder Specifications
Proximity Switch Specifications
Weight
[g]
*
Switch specifications correspond to the manufacturer’s technical information.
*Please contact SMC for NPN specifications.
Black
S1 Load (Unclamping side)
S2 Load (Clamping side)
(−)
(+)
Brown
White
Blue
2
3
1
4
Bore size 25 32
Action Double acting
Fluid Air
Proof pressure 1.2 MPa
Max. operating pressure 0.8 MPa 0.5 MPa
Min. operating pressure 0.3 MPa
Ambient and fluid temperatures −10 to 60°C (No freezing)
Cushion Clamping side: None
Unclamping side: Rubber bumper
Operating time Clamping: 1 sec. or more, Unclamping: 1 sec. or more
Max. allowable holding moment
*175 N·m
Bore size Base type
cylinder
Cylinder with manually
operated handle
Clamp
arm
Additional weight
of the metal cover
25 580 820 230 30
32 710 950 230
Part number CKZ25-36-133NN-R
Manufacturer SENSTRONIC
Power supply voltage 10 to 30 VDC
Output N.O., PNP
Continuous load current 100 mA
Enclosure IP67
Housing material Aluminum alloy
Output indication Clamping side: Red
Unclamping side: Yellow
Voltage indication Green
Connection cable length (M12 connector) 100 mm
Tightening torque for proximity switch mounting bolt 0.63 to 0.82 N·m
*
1 Refers to the maximum holding force (torque) while clamped with the operating air exhausted. This is not the possible holding force (torque) for normal use.
*The weight is the same for both arm opening angles of 90°and 105°.
Cylinder Stroke
[mm]
Bore size Arm opening angle
90°105°
25, 32 35.4 39.5
Wiring Diagram (PNP Connection Circuit)
Replacement Parts
Top cover kit no.
*The top cover kit includes a top cover and mounting brackets.
Refer to page 8 for top cover replacement instructions.
Rubber cover
CKZ25 53 1042T R
Metal cover
2
A

CB
EG1/8
Clamping port
G1/8
Unclamping port
34 (31.2)
40
52
D
53
34
3
13
44
(44.5)
A
A
28+0.1
0
93
16
Clamp arm
(Refer to page 5 for details.)
25±0.1
Proximity switch
2 x 4 x M5 x 0.8
depth 6
18±0.1
5±0.1
17±0.05
10
Bore size 32
Metal cover open
Y
Metal cover
Lock release point
CKZT -X2797, -X3064
-X2798, -X3174
Dimensions
Bore size Arm opening angle
A B C D E Y
25 90°148.4 69.4 72 30 30
76
105°152.5 73.5
32 90°157.7 73.6 71.5 40 35
105°
[mm]
CKZT-S-X2797
Rubber cover
*Dimensions inside ( ) are for metal cover type.
CKZT-S-X3064
Metal cover type
3
A

M
a
x
.
F
°
47
42
ø20 (Black)
130
Handle position: Right
Handle position: Left
Unclamping position
55
4
Power Clamp Cylinder CKZT -X2797, -X3064
-X2798, -X3174
Dimensions: With Manually Operated Handle
CKZT-S-X2798R
L
*Refer to the CKZT-S-X2797 (page 3) for dimensions other than those shown below.
Bore size Arm opening angle
F°
25 90°110
105°126
32 90°110
105°126
-X3174R
L
4
A

L: Left
26
18
16
28
20±0.02 (8)
20±0.1
52 40
44
93
20±0.1
2 x ø6.5 through
2 x ø4H7 through
R: Right
C: Center
10
CKZT -X2797, -X3064
-X2798, -X3174
Dimensions: Clamp Arm
CKZT25-A000 S-X2797
C
R
L
5
A

Extension arm
Fulcrum
Load cell
Shim
Clamping block
Clamp arm
Arm length
Fulcrum
L
Clamp arm
Load center of gravity
Shim
Clamping block
Extension arm
Arm length
Clamp arm
Clamping block
Shim
Clamping position
Extension arm
Load center
of gravity
Fulcrum
0.8 MPa
0.5 MPa
0.3 MPa
50 100 150 200
Max. clamping force [N]
Arm length [mm]
0.5 MPa
0.3 MPa
50 100 150 200
Clamping force [N]
Arm length [mm]
Bore Size: 25 Bore Size: 32
1200
1000
800
600
400
200
0
1200
1000
800
600
400
200
0
3
2.5
2
1.5
1
0.5
0
50 75 100 125 150 175 200
Allowable load mass [kg]
Distance to the center of gravity [mm]
Arm opening angle: 105°
Arm opening angle: 90°
Relation between arm length and clamping force
Allowable load mass
Allowable arm length
Bore Size: 25, 32
Calculation
example
The maximum clamping force when the arm length
is 100 mm and the operating pressure is 0.3 MPa:
With an arm length of 100 mm and an operating pressure of 0.3
MPa, according to the graph, the maximum clamping force is 200 N.
CKZT -X2797, -X3064
-X2798m, -X3174m
Model Selection
The allowable load mass changes depending on the arm opening
angle. Be sure to use the product within the allowable values shown
in the graph to the right.
∗The load indicates the total weight of the clamp arm, extension arm, and
clamping block.
∗When the operating time is 1 second
Calculation procedure for allowable load mass
1. Calculate the distance L from the fulcrum to the load center of
gravity.
2. Check the arm opening angle of the product.
3. Read the allowable load mass from the graph.
Calculation
example
Arm opening angle: 90°, Distance to the center of gravity L: 125 mm
With an arm opening angle of 90°and a 125 mm distance to the center of
gravity, according to the graph, the maximum allowable load mass is 1 kg.
[mm]
Bore size Allowable arm length
25, 32 200
6
A

Fulcrum
Clamp arm
Clamp arm
mounting bolt
Figure 1
+0.5°
0
Shim
Workpiece receptacle
side block
Arm side block
Shim
Cylinder Clamp arm
Clamping port
Unclamping port
Set the workpiece Supply air Exhaust air
Operate to the
end of the clamp
Check that the
clamp arm is locked
Shim adjustment
B
A
Install a block
on the arm side
Shim adjustment
C
Make block contact
adjustments (arm side)
D
Clamp arm
Side guide
Clamp Arm
Mounting Bolt
Tightening Torque
Tightening torque [N·m]
1.5 to 1.8
CKZT -X2797, -X3064
-X2798, -X3174
Setup Procedure
Procedure
Precautions
1) There is a mechanical difference of 0 to +0.5°at the clamping end as
shown in Figure 1. Be sure to make adjustments externally using a
shim. Refer to page 9.
2) Be sure to use a speed controller, and make adjustments according to
the following conditions.
Unclamping to clamping: 1 second or more
Clamping to unclamping: 1 second or more
If excessive kinetic energy is applied, there is a possibility of damage.
3) When using a side guide:
Attach the side guide so that lateral loads, such as galling, etc., are not
applied to the clamp arm.
A) Place the workpiece, supply air to the clamping port without attaching the block on the arm side, and operate the clamp arm to
the end of the clamp.
B) In the state of A), attach the workpiece and the arm side block, and adjust the shim so that there is a space of about 0 mm.
During this step, theoretically, there is no clamping force pressing down on the workpiece.
C) In order to generate a clamping force from the state described in step B), insert an additional shim.
The thickness of the shim changes depending on the arm length and the operating pressure. Refer to page 9.
Please note that the graph should only be used as a guide, as there is a tolerance of about 10% in the clamp cylinder body.
D) Exhaust the air while in the clamped state, and confirm that the clamp arm does not open.
<Ex. 1 When using clamping force only: When equipped with a workpiece receptacle>
Power clamp cylinder mounting and setup procedure
7
A

Cylinder
Shim w
Hard stop
Upper hard stop
Arm side block
Clamp arm
Distance to hard stop
Shim q
Clamping port
Unclamping port
Top cover
Spacer
Bolt
Metal cover
Bolt
Spring pin
Rubber cover type Metal cover type
Setup Procedure CKZT -X2797, -X3064
-X2798, -X3174
<Ex. 2 When using a hard stop: When not equipped with a workpiece receptacle>
A) Supply air to the clamping port without installing the upper hard stop, and operate the clamp arm to the end of the clamp.
B) In the state of A), attach the upper hard stop and adjust the shim qso that there is a space of about 0 mm between the upper
hard stop and the hard stop.
During this step, theoretically, there is no clamping force applied to the hard stop.
C) In order to generate a clamping force from the state described in step B), insert an additional shim.
The thickness of the shim changes depending on the distance to the hard stop and the operating pressure. Refer to page 9, and
consider the distance to the hard stop as the arm length.
Please note that the graph should only be used as a guide, as there is a tolerance of about 10% in the clamp cylinder body.
D) In the state of C), adjust shim wso that the arm side block contacts the workpiece.
E) Exhaust the air while in the clamped state, and confirm that the clamp arm does not open.
Procedure
Power clamp cylinder mounting and setup procedure
Supply
air
Set the
hard stop
A
Operate to the
end of the clamp
Shim adjustment
B
Install the upper
hard stop
Shim adjustment
Shim adjustment
C
Make upper hard stop
contact adjustments
Set the
workpiece
D
Make block contact
adjustments (arm side)
Exhaust
air
Check that the
clamp arm is locked
E
Top cover replacement
1) Mount the top cover to the clamp cylinder, then tighten to the specified tightening torque below.
*1 It is not possible to change between cover materials afterwards (rubber cover type/metal cover type).
*2 Refer to Replacement Parts (page 2) for the part numbers of the top cover replacement parts.
Top Cover Mounting Bolt
Tightening Torque (Rubber cover type)
Bore size Tightening torque (N·m)
25, 32 0.63 to 0.82
Top Cover Mounting Bolt
Tightening Torque (Metal cover type)
Bore size Tightening torque (N·m)
25, 32 0.63 to 0.82
Caution Be sure to confirm safety and perform installation while the air is exhausted.
8
A

Shim thickness [mm]
Clamping force [N]
0
100
200
300
400
500
600
700
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Peak clamping
force position
Arm length: 100 mm
0.5 MPa0.5 MPa
0.3 MPa0.3 MPa
Arm length
Clamping position
Shim
Shim thickness [mm]
Clamping force [N]
0
100
200
300
400
500
600
700
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
0.8 MPa0.8 MPa
0.5 MPa
0.5 MPa
0.3 MPa
0.3 MPa
Peak clamping
force position
Arm length: 100 mm
CKZT -X2797, -X3064
-X2798, -X3174
Bore Size: 32
Bore Size: 25
Relation between shim thickness and clamping force
∗Use this figure as a guide, as there is a tolerance of about 10% in the clamp cylinder body.
∗When a shim exceeding the peak clamping force position on the graph is inserted, the lock will not be activated when clamped.
Insert a shim of the appropriate thickness.
∗The arm length indicates the distance between the clamp arm shaft and the clamping position.
9
A