Pascal CTR User manual

Singleacting7MPa
Swivel clamp
model CTR
www.pascaleng.co.jp

1
model CTR
Singleacting 7MPaSwivelclamp
Hydraulic
pressure
Hydraulic
pressure
Ballretainer Ballscrewnut
Piston
Nutstrokeguide
Rodstrokeguide
Clamprod
Rodswivelguide Returnspring
①Unclamp ②90°horizontalswivel ③Clamp
Hydraulic
pressure
BallA
Rodswivelguide
Obstruction
Swivelposition
Workpiece
Clampstroke
Horizontalswivelaction
Securelyavoidsmalfunctioningduring90°swivel Minimizedinterferingspace
Duetohorizontalswivelofclamparm,interferingspace
becomesdecreasedcomparedwithswingtypeclamp,so
thataboveshownworkpiececanbeeasilyclamped.
Ballscrewnutgoesdownbypiston'sstrokealongnutstrokeguide.Clamprodhorizontallyswivels90°alongrodswivelguide.
Whenclamprodreachesclampingposition(90°),clamprodgoesdownverticallyalongrodstrokeguidetoclamptheworkpiece.At
unclamping,strongreturnspringandballscrewassuressmoothandstableaction.
Ifclamparmcontactsanobstacle
duringhorizontalswivel,its
actionisautomaticallystopped.
Descendingactionofclamprod
islockedbyballAandrodswivel
guidetopreventmalfunctionat
thehalfway.(lock-on-the-spot
function)

model CTR
Singleacting 7MPaSwivelclamp
2
CTR󱪼S-󱪼
①③ CTR󱪼G-󱪼 ①③
Pipingmounting
Workpiece
Hydraulicpiping
Manifoldmounting
Workpiece
Hydraulicpressure
Specifications
Workingpressurerange：2.5 〜 7MPa Proofpressure：10.5MPa Operatingtemperature：0 〜 70℃
Fluidused：Generalmineralbasedhydraulicoil(ISO-VG32equivalent)
＊1:Thisisvalueforcentralpositionofclampstroke.
＊2:
Clampingforceattimestandardclamparmismounted.(Clampingforcevariesdependingonclamparmlength.Refertoperformancetablefordetails.)
＊3:Caremustbetakenwhenyouhorizontallymountaclampwithlargeclamparmon.
＊4:Caremustbetakenwhennumerousclampsareusedorwhenhydraulicpipingislong. ＊5：ISOR898class12.9
Sealsareresistanttochlorine-basedcuttingfluid.(notthermalresistantspecification)
Model CTR0.4 CTR0.6 CTR1 CTR1.6
Cylinderforce(hydraulicpressure7MPa) ＊1 kN 3.8 5.4 8.8 14.4
Clampingforce(hydraulicpressure7MPa) ＊1＊2 kN 3.2 4.5 7.2 11.7
Standardclamparmlength(LH) mm 40 50 60 70
Cylinderinnerdiameter mm 37 43 52 65
Roddiameter mm 22.4 25 30 35.5
Effectivearea(clamp) cm26.8 9.6 14.2 23.3
Swivelangle 90°±3°(Repeatedclamppositioningaccuracy±0.5°)
Clampstroke(fullstroke) mm 8101010
Recommendedclampstroke mm 2〜6 2.5〜8 2.5〜8 3〜8
Max.swingtorque＊3 N·m 0.2 0.3 0.4 0.8
Returnspringforce kN 0.77 〜 1.06 1.08 〜 1.42 1.10 〜 1.27 1.86 〜 2.47
Cylindercapacity(clamp) cm38.8 14.4 22.7 39.6
Recommendedpipinginnerdiameter＊4 mm ø6 ø6 ø8 ø8
Mass kg 1.4 1.8 3.1 5.1
Recommendedtighteningtorqueofmountingscrews ＊5 N·m 7122957
Recommendedtighteningtorqueofnut N·m 51 60 86 120
Modeldesignation
Mountingexample
①Size ②Mountingandpipingtypes ③Swiveldirection(whenclamping)
CTR
0.4
0.6
1
1.6
S:Pipingmounting
G:Manifoldmounting
‒
L:Counter-clockwise
R:Clockwise
CTRF
①F ②-F ③(Example：CTR0.6S-R)

3
model CTR
Singleacting 7MPaSwivelclamp
Performancetable
CTR0.4 Clampingforce F=(P-1.34)/(1.47+0.00663×LH)
Hydraulic
pressure
MPa
Cylinder
force
kN
Clampingforce kN
Max.armlength 
Max.LH
mm
ClamparmlengthLH mm
40 50 60 70 80 100 120
7 3.9 3.3 3.1 3.0 2.9 70
6.5 3.5 3.0 2.9 2.8 2.7 79
6 3.2 2.7 2.6 2.5 2.4 2.3 92
5.5 2.8 2.4 2.3 2.2 2.2 2.1 2.0 109
5 2.5 2.1 2.0 2.0 1.9 1.8 1.7 1.6 134
4.5 2.1 1.8 1.8 1.7 1.6 1.6 1.5 1.4 ↑
4 1.8 1.5 1.5 1.4 1.4 1.3 1.2 1.2 ↑
3.5 1.5 1.2 1.2 1.2 1.1 1.1 1.0 1.0 ↑
3 1.1 1.0 0.9 0.9 0.9 0.8 0.8 0.7 ↑
2.5 0.8 0.7 0.6 0.6 0.6 0.6 0.5 0.5 134
CTR1 Clampingforce F=(P-0.840)/(0.706+0.00244×LH)
Hydraulic
pressure
MPa
Cylinder
force
kN
Clampingforce kN
Max.armlength 
Max.LH
mm
ClamparmlengthLH mm
50 60 80 100 120 140 160
7 8.7 7.4 7.2 72
6.5 8.0 6.8 6.6 6.3 81
6 7.3 6.2 6.1 5.7 91
5.5 6.6 5.6 5.5 5.2 4.9 106
5 5.9 5.0 4.9 4.6 4.4 4.2 125
4.5 5.2 4.4 4.3 4.1 3.9 3.7 3.5 152
4 4.5 3.8 3.7 3.5 3.3 3.2 3.0 2.9 193
3.5 3.8 3.2 3.1 3.0 2.8 2.7 2.5 2.4 ↑
3 3.1 2.6 2.5 2.4 2.3 2.2 2.1 2.0 ↑
2.5 2.4 2.0 1.9 1.8 1.7 1.7 1.6 1.5 193
CTR0.6 Clampingforce F=(P-1.30)/(1.04+0.00387×LH)
Hydraulic
pressure
MPa
Cylinder
force
kN
Clampingforce kN
Max.armlength 
Max.LH
mm
ClamparmlengthLH mm
40 50 60 70 80 100 120
7 5.5 4.8 4.6 4.5 61
6.5 5.0 4.4 4.2 4.1 68
6 4.5 3.9 3.8 3.7 3.6 78
5.5 4.0 3.5 3.4 3.3 3.2 3.1 91
5 3.6 3.1 3.0 2.9 2.8 2.7 2.6 110
4.5 3.1 2.7 2.6 2.5 2.4 2.4 2.2 2.1 137
4 2.6 2.3 2.2 2.1 2.1 2.0 1.9 1.8 ↑
3.5 2.1 1.8 1.8 1.7 1.7 1.6 1.5 1.5 ↑
3 1.6 1.4 1.4 1.3 1.3 1.3 1.2 1.1 ↑
2.5 1.2 1.0 1.0 0.9 0.9 0.9 0.8 0.8 137
CTR1.6 Clampingforce F=(P-0.932)/(0.429+0.00134×LH)
Hydraulic
pressure
MPa
Cylinder
force
kN
Clampingforce kN
Max.armlength 
Max.LH
mm
ClamparmlengthLH mm
60 80 100 120 140 160 180
7 14.1 11.9 11.3 82
6.5 13.0 10.9 10.4 92
6 11.8 9.9 9.5 9.0 105
5.5 10.6 9.0 8.5 8.1 7.7 122
5 9.5 8.0 7.6 7.2 6.9 6.6 145
4.5 8.3 7.0 6.7 6.3 6.0 5.8 5.5 178
4 7.2 6.0 5.7 5.4 5.2 5.0 4.8 4.6 230
3.5 6.0 5.0 4.8 4.6 4.4 4.2 4.0 3.8 ↑
3 4.8 4.1 3.9 3.7 3.5 3.4 3.2 3.1 ↑
2.5 3.7 3.1 2.9 2.8 2.7 2.5 2.4 2.3 230
Nonusable
range
Clampingforcevariesdependingontheclamparmlength(LH)andhydraulic
pressure(P).
Donotusetheclampinthenonusablerange.Itmaycausedamagetothe
cylinderandrod.
Clampingforcecalculationformula
F＝(P-Coefficient1)/(Coefficient2+Coefficient3×LH)
F：Clampingforce P：Hydraulicpressure LH：Clamparmlength
CTR1withclamparmlength(LH)=50mmathydraulicpressureof7MPa,
ClampingforceFiscalculatedby
（7-0.840）/(0.706+0.00244×50)=7.4kN
Hydraulic
pressureP
(MPa)
Cylinderforce
(kN)
Clamping
forceF
(kN)
ClamparmlengthLH
(mm)
Nonusable
range
Nonusable
range Nonusable range

model CTR
Singleacting 7MPaSwivelclamp
4
t= 0.000750

It= 0.00200

I
t= 0.00400

It= 0.00830

I
0.000 0.001 0.002 0.003 0.004 0.005 0.006
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.000188
0.0000 0.0025 0.0050 0.0075 0.0100 0.0125 0.0150 0.0175
0.000500
A
2
A
1
m2
m1
B
0.000 0.01 0.02 0.03 0.04 0.05 0.06
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.00208
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.000 0.005 0.010 0.015 0.020 0.025 0.030 0.035
0.00100
0.6
Swingtime(sec)
Momentofinertia(kg･m2)
Swingtime(sec)
Nonusablerange
Shortestswingtime
Shortestswingtime
Nonusablerange
Momentofinertia(kg･m2)
Swingtime(sec)
Nonusablerange
Shortestswingtime
Momentofinertia(kg･m2)
Swingtime(sec)
Shortestswingtime
Nonusablerange
Shortestswingtime
calculationformula
Shortestswingtime
calculationformula
Shortestswingtime
calculationformula
Shortestswingtime
calculationformula
Momentofinertia(kg･m2)
Swingspeedadjustment
CTR0.4
CTR1.6
CTR0.6
CTR1
I= 1
12m1(4A12+B2)+ 1 12m2(4A22+B2)
I:Momentofinertia(kg·m2)
m:Mass(kg)
Exampleofcalculationformomentofinertia
Swingtimeisrestrictedbythemassandlengthoftheclamparm
(momentofinertia)sincethe90°swingactionimpactsthecamshaft.
1. Calculatethemomentofinertiaaccordingtothearmlengthandmass.
2.Adjustswingspeedwithflowcontrolvalvewith checkvalveto
ensurethat90°swingtimeoftheclamparmisgreaterthanthe
shortest swing time in the graph shown below. 
（Use flow control valve with cracking pressure of 0.05 MPa or
less.FlowcontrolvalvemodelVCFcannotbemounted.）
z
Thecamgroovemaybedamagedincasetheswingspeedisset
atthenonusablerangeinthegraph.

5
model CTR
Singleacting 7MPaSwivelclamp
4-øX
4-øW
R3
Max.øAC
R2
øG 0
-
0.2
K±0.3
R1
L
J
A
MN
15°
R2R2
□F
DE
C
T
4-Z
B
RL
V
øH
R0.4
R3
P
S
Max.øAA
Min.C0.5
□F 4
- AB
U
Taper1/10
Max.Y2(plugprojectiondepth)
Swingangle
whenclamping
ClampinghydraulicportY1
O-ring
Clampinghydraulicport
Hex.nutforarmmount
Clampstroke
Mountingdetails
Dimensions
StrokeendUnclamp
z
Hex.nutforarmmountisincluded.
z
Clamparm,andmountingscrewsarenotincluded.
zThisdiagramrepresentsexternalcontourofCTR □G.
CTR□S：O-ringandhexsocketplugarenotincluded.

model CTR
Singleacting 7MPaSwivelclamp
6
mm
Model CTR0.4S
G-L RCTR0.6S G-L RCTR1S G-L RCTR1.6S G-L R
A 136 151 162 183
B 50 57 70 86
C 60 66 82 96
D 35 37.5 47 53
E 25 28.5 35 43
F 40 46 56 68
øG 47 53 63 78
øH 22.4 25 30 35.5
J 75 79 85 99
K 61 72 77 84
L 31 33 36 40.5
M 10 12 12 11.5
N 34 34 37 47
P 9 9 10 12
R1 11 12 12.5 12.5
R2 12 14 18 22.5
R3 28 30.5 36 42
S(nutwidthacrossflats) 27 30 36 46
T(hex.socket) 68810
U M18×1.5 M20×1.5 M24×1.5 M30×1.5
V 20 20 19.5 20
øW 5.5 6.8 9 11
øX 9.5 11 14 17.5
Y1 Rc1/8 Rc1/8 Rc1/4 Rc1/4
Y2 3344
Z R3 R5 R6 R7
O-ring(fluorocarbonhardnessHs90) 
(manifoldmounting) P6 P6 P8 P8
øAA 49 55 65 80
AB M5 M6 M8 M10
øAC 4466
Tapersleeve CTH0.4-GS CTH0.6-GS CTH1-GS CTH1.6-GS

7
model CTR
Singleacting 7MPaSwivelclamp
øHA
øHB
HC
YY
(øB)
J
H±0.1
øA
øG
J
øFH8
R0.4
ZZ
Z-ZY-Y
0.4
0.6
1
1.6
CTH
Notusingtapersleeve Usingtapersleeve
Taper1/10
Taper1/10
GS:Tapersleeve
①Size
CTHF
①-GS(Example:CTH0.6-GS)
mm
Model
CTH0.4-GS CTH0.6-GS CTH1-GS CTH1.6-GS
øHA 22.4 25 30 35.5
øHB 26 29 34 40
HC 21 20 22 29
mm
Clampmodels CTR0.4 CTR0.6 CTR1 CTR1.6
øA 22.4-0.020
-0.041 25-0.020 -0.041 30-0.020 -0.041 35.5-0.025 -0.050
øB 19.9 22.5 27.3 32
øF 26+0.033
029+0.033 034+0.039 040+0.039 0
øG 21 24 28.5 34
H 21 20 22 29
J 25 25 27 35
Tapersleevemodels CTH0.4-GS CTH0.6-GS CTH1-GS CTH1.6-GS
Tapersleeve
Clamparmdetails
Modeldesignation

8
model CTR Swivelclamp Cautioninuse

90°±3°
±0.5°
5°
①②
Mountingofclamparm
Clampingposition
Unclampingposition
Unclampingposition
Clamparm
Clampingposition
Dismountingofclamparm
1.Mostproblemsthatoccurwithhydraulicequipmentarecausedbyforeignsubstancessuchasmetalchipsanddustthatenterinto
hydrauliccircuits.Referto"PipingHydraulic&PneumaticEquipment-PracticalNotes"providedwiththeproductformountingand
hydraulicpipingoftheproduct.
2.Innerdiameterofhydraulicpipingshouldbelargerthantheonespecifiedonspecificationtable.Especiallywhenmanynumberof
clampisusedandpipingislongerthan5m,timetounclampbecomeslonger.
3.Afterperforminghydraulicpiping,alwaysbesuretobleedoutairinthehydrauliccircuit.Insufficientbleedingcanleadtomalfunction.
4.Whenusingmultipleclamps,operatingspeedsandtimingsvaryduetovarianceinpiperesistanceandinternalresistanceofclamps.
Donotdisassembleclamp.Ashighpowerspringisbuilt-in,componentsmayjumpouttocauseinjury.
Swivelclampmaybedamagedifexcessivetorqueisapplied,sincestructureisintendedfortherotationbyballscrewfunction.Follow
instructionsshownbelowtopreventexcessivetorquefrombeingappliedonpistonrodwhenmountingordismountingclamparm.
Settheclampbodytojigtomakeaclampedcondition.Set
theclamparmatdesiredorientationasshownindiagram
above.Insertahexwrenchtohexsocketattipsectionof
pistonrodtoholditandtightenlocknutwithawrench.
Structurally,modelCTRhasabackrushof5°atunclamping
position.Whenswivelspeedisfastorinertiaofclamparmis
large,clamparmmayrotateasmuchasthisbackrush.Install
clamparmbysettingclampingpositionalwaysatfirst.
①Inserthexwrenchtohexsocketattipsectionofpiston
rodtoensurethatpistonrodisheldinplace,thenloosen
locknutwithwrench.
②Afterdismountingthelocknut,pulloutclamparmusing
gearpuller.Aflatsaddletypeofgearpullershouldbe
usedwhenremovinganarmnottoconveyanyrotating
forcetothepistonrod.
Cautionforhydraulicpiping
WARNING
Mounting&dismountingofclamparm

PA-576E-3
2018.09 Specificationsaresubjecttochangewithoutpriornotice.
Itami,Hyogo,Japan664-8502
TEL.072-777-3333FAX.072-777-3520
CERTIFICATEOFAPPROVALISO9001
CLS-11E-6
2018.09