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AMLOK RCN
Pneumatic Rod Clamp
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GENERAL:
This new 3rd generation
NFPA - Style AMLOK® Pneumatic Series RCN Rod Clamp has
been developed as a solution to control problems inherent
to pneumatics—over travel, drifting, bouncing and
reverse traveling. The AMLOK® is one of the world's only
Power-Off Rod Clamps available as a stand-alone
unit—able to be mounted to the NFPA cylinder of your
choice, or to be used with no cylinder at all.
The AMLOK® has been designed with oversized components to
withstand the most severe applications. For example, the
contact area of the clamping collet is considerably
greater than on similar units. The increased contact area
reduces the pressure-per-square-inch on the rod, thereby
extending service life.
The patented intensifier is a mechanical design,
guaranteeing a long service life, even under severe
operating conditions. The high locking force will hold the
rod in any position. Since the clamping is accomplished
through spring force, any drifting caused by a lack of air
pressure is not possible.
The AMLOK® Rod Clamp is also offered as an integral unit
to an Advanced Cylinder. Please refer to our Cylinder
catalog when an integral unit is required.
For hydraulic applications, please refer to our Type RCH
AMLOK® catalog.
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FUNCTION:
The patented AMLOK® Type RCN consists of a hard anodized
aluminum housing with a special piston and wedge locking
mechanism actuated by a spring that mechanically locks the
rod. This mechanically-operated intensifying mechanism
increases the force created by the spring several times to
guarantee quick and secure locking. The clamp is unlocked
when air actuates the piston, which compresses the spring
and releases the locking device.
Since the locking of the AMLOK® is accomplished
mechanically by a spring and unlocked by air pressure,
loss of air pressure will cause the unit to lock.
The holding force depends upon the rod and piston
diameter. The available holding forces can be multiplied
by adding additional AMLOK® clamps to the same rod.
AMLOKS® are designed for locking reciprocating motions
only. To lock rotary motions contact the factory.
If these units are to be used as safety or braking
devices, or for additional information on other models
such as the Sitema Safety Catchers and Power On Rod Clamps
please consult the factory.
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DESIGN HINTS:
When attached to cylinders, longer cylinder rods must be
specified to allow for the length of the AMLOK®. See
“L” dimension in the chart.
If a hollow rod must be clamped, contact Advanced Machine
for guidelines.
Recommended rod tolerances are cited in the chart. For
maximum life, the rod should be semi-hardened or
surface-hardened with surface finish of about 32 micro
inches. Avoid nicks and burrs which could damage the wiper
and bearings.
The contact surfaces and bores to which the AMLOK® is
clamped must be square and concentric to each other within
.002" T.I.R. to avoid binding of the rod or excess
wear. The rod must fully engage the clamping device to
avoid distortion of the mechanism.
NOTE: AMLOK® Rod Clamps can be an integral part of your
housing. We can provide mating components for your special
applications. When side loads are acting on the cylinder
rod, make sure that the rod is guided sufficiently in
bearings to avoid excessive side loads on the locking
mechanism. This is especially important at higher cylinder
rod speeds to avoid overheating the clamping device due to
excessive friction with the rod. Proper lubrication is
important for higher speeds or continuous side loads.
For special mountings or higher holding forces, please
consult the factory..
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Patented
AMLOK Rod Clamp Type RCN
Basic Mount Type
RCN-XXX XXX N XXX XX (Shown Below)
(Face Mounting Using
Threads of AMLOK) with bushing head only
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Part
Numbering System
AMLOK Series: RCN
Rod Size - X.XX (Inches): XXX
Equivalent Cylinder
Bore Size - X.XX (Inches): XXX
Type "C"=Cylinder Mount/
Type "S"=Stand Alone: X
Mounting Style: XXX
"P" Port Location (1,2,3,or 4): X
Breather Location (1,2,3,or 4): X
Seal Material (N=Standard=Nitrile; V=Viton): X
Surface Coatings: ("Blank"=Standard;
"EN"=Electroless Nickel): XX
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Example:
RCN
1.00" Rod
Size: 100
2.50" Dia. Bore: 250
Type: Stand Alone: S
NFPA (MT1) Mounting Style: MT1
"P" Port Location (1): 1
Breather Location (1): 1
Seal Material = Nitrile: N
Surface Coating = Electroless Nickel: EN
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Standard
Specifications
|
w
NFPA Mounting Styles
w
w
Square Head - Tie Rod
Design
w
Maximum Operating
Pressure - 160 PSI Air
w
Required Release
Pressure - 60 PSI Air
w
Operating Media -
Filtered Compressed Air
w
Operating Temperature -
Standard 10F to + 180F
w
Optional 10F to +250F
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Cycle
Rate: Theoretically, and AMLOK Rod Clamp can cycle five
times per second. However, since the AMLOK is designed for
an average minimum life of 2,000,000 cycles, frequent and
repetitive cycling will reach 2,000,000 in a shorter time.
Holding Force - Axial holding force includes a generous
safety factor and were established after 2,000,000 fatigue
test cycles. |
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AMLOK
Type RCN 1
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Rod Dia.
-0.002
|
Bore Dia.
|
L
|
E
|
UF
|
F
|
FH
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FC
|
FB Dia.
|
TF
|
R
|
DD Thread
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B
|
C
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A
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P
|
V
|
Y
|
Z
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Axial
Holding Force Lbs.
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|
063150
|
0.625
|
1.500
|
5.09
|
2.00
|
3.375
|
3/8
|
1 1/4
|
1"
|
0.312
|
2.750
|
1.430
|
1/4-28
|
1.125
|
0.375 |
0.50
|
1/8
|
5/8
|
.250
|
.406
|
250 |
|
063200
|
0.625
|
2.000
|
5.09
|
2.50
|
4.125
|
3/8
|
1 1/4
|
1"
|
0.375
|
3.375
|
1.840
|
5/16-24
|
1.125
|
0.375 |
0.62
|
1/8
|
5/8
|
.000
|
.406
|
450
|
|
063250
|
0.625
|
2.500
|
5.09
|
3.00
|
4.625
|
3/8
|
1 1/4
|
1"
|
0.375
|
3.875
|
2.190
|
5/16-24
|
1.125 |
0.375 |
0.62
|
1/8
|
5/8
|
.000
|
.406
|
700
|
|
100200
|
1.000
|
2.000
|
5.09
|
2.50
|
4.125
|
3/8
|
1 1/4
|
1"
|
0.375
|
3.375
|
1.840
|
5/16-24
|
1.500 |
0.500 |
0.62
|
1/8
|
7/8
|
.375
|
.406
|
400
|
|
100250
|
1.000
|
2.500
|
5.09
|
3.00
|
4.625
|
3/8
|
1 1/4
|
1"
|
0.375
|
3.875
|
2.190
|
5/16-24
|
1.500 |
0.500 |
0.62
|
1/8
|
7/8
|
.375
|
.406
|
600
|
|
100325
|
1.000
|
3.250
|
5.83
|
3.75
|
5.500
|
5/8
|
1 3/4
|
1 1/4"
|
0.437
|
4.687
|
2.760
|
3/8-24
|
1.500 |
0.500 |
0.75
|
1/4
|
7/8
|
.000
|
.625
|
1400
|
|
100400
|
1.000
|
4.000
|
5.83
|
4.50
|
6.250
|
5/8
|
1 3/4
|
1 1/4"
|
0.437
|
5.437
|
3.320
|
3/8-24
|
1.500 |
0.500 |
0.75
|
1/4
|
7/8
|
.000
|
.688
|
1800
|
|
100500
|
1.000
|
5.000
|
5.83
|
5.50
|
7.625
|
5/8
|
1 3/4
|
1 1/4"
|
0.562
|
6.625
|
4.100
|
1/2-20
|
1.500 |
0.500 |
0.75
|
1/4
|
7/8
|
.000
|
.688
|
2500
|
|
138325
|
1.375
|
3.250
|
5.83
|
3.75
|
5.500
|
5/8
|
1 3/4
|
1 1/4"
|
0.437
|
4.687
|
2.760
|
3/8-24
|
2.000 |
0.625 |
0.75
|
1/4
|
1
|
.000
|
.600
|
1200
|
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138400
|
1.375
|
4.000
|
5.83
|
4.50
|
6.250
|
5/8
|
1 3/4
|
1 1/4"
|
0.437
|
5.437
|
3.320
|
3/8-24
|
2.000 |
0.625 |
0.75
|
1/4
|
1
|
.000
|
.688
|
1600
|
|
138500
|
1.375
|
5.000
|
5.83
|
5.50
|
7.625
|
5/8
|
1 3/4
|
1 1/4"
|
0.562
|
6.625
|
4.100
|
1/2-20
|
2.000 |
0.625 |
0.75
|
1/4
|
1
|
.000
|
.688
|
2000
|
|
138600
|
1.375
|
6.000
|
5.83
|
6.50
|
8.625
|
3/4
|
1 3/4
|
1 1/4"
|
0.562
|
7.625
|
4.880
|
1/2-20
|
2.000 |
0.625 |
0.75
|
1/4
|
1
|
.000
|
.688
|
3000
|
|
175600
|
1.750
|
6.000
|
6.33
|
6.50
|
8.625
|
3/4
|
2
|
1 1/2"
|
0.562
|
7.625
|
4.880
|
1/2-20
|
2.375 |
0.750 |
0.75
|
1/4
|
1 1/8
|
.000
|
.688
|
2800
|
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200500
|
2.000
|
5.000
|
6.08
|
5.50
|
7.625
|
5/8
|
1 3/4
|
1 1/2"
|
0.562
|
6.625
|
4.100
|
1/2-20
|
2.625 |
0.875 |
0.75
|
1/4
|
1 1/8
|
.000
|
.688
|
2100
|
|
250600
|
2.500
|
6.000
|
6.51
|
6.50
|
8.625
|
3/4
|
1 3/4
|
1 3/4"
|
0.562
|
7.625
|
4.880
|
1/2-20
|
3.125 |
1.000 |
0.88
|
1/4
|
1 1/4
|
.000
|
.688
|
2500
|
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Dimensions subject to
change without notice.
1 Other
sizes available upon request (including metric sizes.)
Maximum rod tolerances +.000" / -.003"
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AMLOK Rod Clamp Series RCN - Mounting Dimensions
Mounting
Arrangements
AMLOK Type RCN Rod
Clamps can be mounted directly to machine or fixture
housings or NFPA Style MFI air cylinders. If desired, the
AMLOK can be used as the main mounting component with the
NFPA Style MFI cylinder attached.
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RCN
- XXX XXX SN
Basic Mount (Face mounting using threads of AMLOK) with
bushing at both ends. |
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RCN
- XXX XXX CMF2
Rear Flange Mount (NFPA Style MF2
for cylinder mounting.) |
RCN
- XXX XXX CA
For Cylinder Mounting
Front Flange Mount (NFPA Style MF1)
Rear Flange Mount (NFPA Style MF2) |
RCN
- XXX XXX SMF1
Front Flange Mount (NFPA Style MF1)) with
bushing at both ends. |
RCN
- XXX XXX SA
Both Flanges Mount (NFPA Style MF1+MF2)
with bushing at both ends. |
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AMLOK
Rod Clamp Series RCN - Mounting Dimensions
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RCN - XXX XXX
CMS4
Bottom Tap Mount (NFPA Style MS4). |
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RCN - XXX XXX
SMS4
Bottom Tap Mount (NFPA Style MS4) with bushing at both
ends. |
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AMLOK Type RCN
|
NT
|
TK
|
TN
|
YT
|
SN
|
XT
|
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063150
|
1/4 - 20
|
1/4
|
5/8
|
1.07
|
3.60
|
1.49
|
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063200
|
5/16 - 18
|
1/2
|
7/8
|
1.07
|
3.60
|
1.49
|
|
063250
|
3/8 - 16
|
5/8
|
1 1/4
|
1.07
|
3.60
|
1.49
|
|
100200
|
5/16 - 18
|
1/2
|
7/8
|
1.32
|
3.60
|
1.74
|
|
100250
|
3/8 - 16
|
5/8
|
1 1/4
|
1.32
|
3.60
|
1.74
|
|
100325
|
1/2 - 13
|
11/16
|
1 1/2
|
1.44
|
3.85
|
2.16
|
|
100400
|
1/2 - 13
|
3/4
|
2 1/16
|
1.44
|
3.85
|
2.16
|
|
100500
|
5/8 - 11
|
1
|
2 11/16
|
1.44
|
4.23
|
1.93
|
|
138325
|
1/2 - 13
|
3/4
|
1 1/2
|
1.56
|
3.85
|
2.26
|
|
138400
|
1/2 - 13
|
3/4
|
2 1/16
|
1.56
|
3.85
|
2.24
|
|
138500
|
5/8 - 11
|
1
|
2 11/16
|
1.56
|
4.23
|
2.05
|
|
138600
|
3/4 - 10
|
1 1/8
|
3 1/4
|
1.56
|
4.23
|
2.05
|
|
175600
|
3/4 - 10
|
1 1/8
|
3 1/4
|
1.94
|
4.23
|
2.43
|
|
200500
|
5/8 - 11
|
1
|
2 11/16
|
1.94
|
4.23
|
2.18
|
|
250600
|
3/4 - 10
|
1 1/8
|
3 1/4
|
1.94
|
4.23
|
2.18
|
|
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AMLOK
Rod Clamp Series RCN - Mounting Dimensions
|
RCN - XXX XXX
CMS1
Angle Mount (NFPA Style MS1). |
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RCN - XXX XXX
SMS1
Angle Mount (NFPA Style MS1) with bushing at both ends. |
|
|
|
AMLOK Type RCN
|
AO
|
AL
|
AH
|
AT
|
NA
|
S
|
SA
|
|
063150
|
3/8
|
1
|
1 3/16
|
1/8
|
7.09
|
1 1/4
|
7.09
|
|
063200
|
3/8
|
1
|
1 7/16
|
1/8
|
7.09
|
1 3/4
|
7.09
|
|
063250
|
3/8
|
1
|
1 5/8
|
1/8
|
7.09
|
2 1/4
|
7.09
|
|
100200
|
3/8
|
1
|
1 7/16
|
1/8
|
7.34
|
1 3/4
|
7.09
|
|
100250
|
3/8
|
1
|
1 5/8
|
1/8
|
7.34
|
2 1/4
|
7.09
|
|
100325
|
1/2
|
1 1/4
|
1 15/16
|
1/8
|
8.45
|
2 3/4
|
8.33
|
|
100400
|
1/2
|
1 1/4
|
2 1/4
|
1/8
|
8.45
|
3 1/2
|
8.33
|
|
100500
|
5/8
|
1 3/8
|
2 3/4
|
3/16
|
8.70
|
4 1/4
|
8.58
|
|
138325
|
1/2
|
1 1/4
|
1 15/16
|
1/8
|
8.57
|
2 3/4
|
8.33
|
|
138400
|
1/2
|
1 1/4
|
2 1/4
|
1/8
|
8.57
|
3 1/2
|
8.33
|
|
138500
|
5/8
|
1 3/8
|
2 3/4
|
3/16
|
8.82
|
4 1/4
|
8.58
|
|
138600
|
5/8
|
1 3/8
|
3 1/4
|
3/16
|
8.82
|
5 1/4
|
8.58
|
|
175600
|
5/8
|
1 3/8
|
3 1/4
|
3/16
|
9.45
|
5 1/4
|
9.08
|
|
200500
|
5/8
|
1 3/8
|
2 3/4
|
3/16
|
9.20
|
4 1/4
|
8.83
|
|
250600
|
5/8
|
1 3/8
|
3 1/4
|
3/16
|
9.45
|
5 1/4
|
9.08
|
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AMLOK
Rod Clamp Series RCN - Mounting Dimensions
|
RCN -
XXX XXX CMS2
Side Lug Mount (NFPA Style MS2). |
|
|
RCN -
XXX XXX SMS2
Side Lug Mount (NFPA Style MS2) with bushing at
both ends. |
|
|
|
AMLOK Type RCN
|
SS
|
ST
|
SW
|
TS
|
VS
|
XS
|
|
063150
|
4.34
|
1/2
|
3/8
|
2 3/4
|
3 1/2
|
1
|
|
063200
|
4.34
|
1/2
|
3/8
|
3 1/4
|
4
|
1
|
|
063250
|
4.34
|
1/2
|
3/8
|
3 3/4
|
4 1/2
|
1
|
|
100200
|
4.34
|
1/2
|
3/8
|
3 1/4
|
4
|
1 1/4
|
|
100250
|
4.34
|
1/2
|
3/8
|
3 3/4
|
4 1/2
|
1 1/4
|
|
100325
|
4.83
|
3/4
|
1/2
|
4 3/4
|
5 3/4
|
1 3/8
|
|
100400
|
4.83
|
3/4
|
1/2
|
5 1/2
|
6 1/2
|
1 3/8
|
|
100500
|
4.46
|
1
|
11/16
|
6 7/8
|
8 1/4
|
1 15/16
|
|
138325
|
4.83
|
3/4
|
1/2
|
4 3/4
|
5 3/4
|
1 1/2
|
|
138400
|
4.83
|
3/4
|
1/2
|
5 1/2
|
6 1/2
|
1 1/2
|
|
138500
|
4.46
|
1
|
11/16
|
6 7/8
|
8 1/4
|
1 11/16
|
|
138600
|
4.46
|
1
|
11/16
|
7 7/8
|
9 1/4
|
1 11/16
|
|
175600
|
4.96
|
1
|
11/16
|
7 7/8
|
9 1/4
|
1 13/16
|
|
200500
|
4.71
|
1
|
11/16
|
6 7/8
|
8 1/4
|
1 13/16
|
|
250600
|
4.96
|
1
|
11/16
|
7 7/8
|
9 1/4
|
1 13/16
|
|
|
AMLOK
Rod Clamp Series RCN - Mounting Dimensions
|
RCN -
XXX XXX CMT1
Head Trunnion Mount (NFPA Style MT1). |
|
|
RCN -
XXX XXX SMT1
Head Trunnion Mount (NFPA Style MT1) with bushing
at both ends. |
|
|
|
AMLOK Type RCN
|
TD
|
TL
|
UT
|
XG
|
|
063150
|
1
|
1
|
4
|
1 1/4
|
|
063200
|
1
|
1
|
4 1/2
|
1 1/4
|
|
063250
|
1
|
1
|
5
|
1 1/4
|
|
100200
|
1
|
1
|
4 1/2
|
1 1/2
|
|
100250
|
1
|
1
|
5
|
1 1/2
|
|
100325
|
1
|
1
|
5 3/4
|
1 3/4
|
|
100400
|
1
|
1
|
6 1/2
|
1 3/4
|
|
100500
|
1
|
1
|
7 1/2
|
1 3/4
|
|
138325
|
1
|
1
|
5 3/4
|
1 7/8
|
|
138400
|
1
|
1
|
6 1/2
|
1 7/8
|
|
138500
|
1
|
1
|
7 1/2
|
1 7/8
|
|
138600
|
1 3/8
|
1 3/8
|
9 1/4
|
1 7/8
|
|
175600
|
1 3/8
|
1 3/8
|
9 1/4
|
2 1/8
|
|
200500
|
1
|
1
|
7 1/2
|
2
|
|
250600
|
1 3/8
|
1 3/8
|
9 1/4
|
2
|
|
|
AMLOK
Rod Clamp Series RCN - Mounting Dimensions
|
RCN -
XXX XXX CMT2
Cap Trunnion Mount (NFPA Style MT2). |
|
|
RCN -
XXX XXX SMT2
Cap Trunnion Mount (NFPA Style MT2) with bushing
at both ends. |
|
|
|
AMLOK Type RCN
|
TD
|
TL
|
UT
|
XJ
|
|
063150
|
1
|
1
|
4
|
5.21
|
|
063200
|
1
|
1
|
4 1/2
|
5.21
|
|
063250
|
1
|
1
|
5
|
5.21
|
|
100200
|
1
|
1
|
4 1/2
|
5.46
|
|
100250
|
1
|
1
|
5
|
5.46
|
|
100325
|
1
|
1
|
5 3/4
|
6.08
|
|
100400
|
1
|
1
|
6 1/2
|
6.08
|
|
100500
|
1
|
1
|
7 1/2
|
6.08
|
|
138325
|
1
|
1
|
5 3/4
|
6.20
|
|
138400
|
1
|
1
|
6 1/2
|
6.20
|
|
138500
|
1
|
1
|
7 1/2
|
6.20
|
|
138600
|
1 3/8
|
1 3/8
|
9 1/4
|
6.20
|
|
175600
|
1 3/8
|
1 3/8
|
9 1/4
|
6.71
|
|
200500
|
1
|
1
|
7 1/2
|
6.46
|
|
250600
|
1 3/8
|
1 3/8
|
9 1/4
|
6.58
|
|
|
|
|
AMLOK
Rod Clamp - Assembly Instructions:
-
Connect
a flexible hose to the pressure port of the
AMLOK, apply air pressure to release the
clamping mechanism and slide the AMLOK over
the rod to be clamped.
-
Align
the mounting holes and port hole to the proper
location.
-
Release
pressure.
-
Bolt
AMLOK to cylinder or housing.
-
Pressurize
the AMLOK to the specified release pressure.
-
Release
and pressurize several times. With the
specified pressure the rod should move freely
through the AMLOK.
-
If
the rod does not move freely, check the
squareness of the housing and cylinder contact
surface and correct if necessary.
|
|
|
