Kitagawa PLS Series User manual

WorkGripper
・This instructionmanual is for production engineers and
maintenancepersonnelinchargeofoperationofthisproduct.
Whenabeginnerusesthisproduct,receiveinstructionsfrom
experiencedpersonnel,thedistributororourcompany.
・Before installing, operating or maintainingthis equipment,
carefully read this manual and the safety labels attached to
theequipment.Failuretofollowtheseinstructionsandsafety
precautions could result in serious injury, death, or property
damage.
・Storethismanualnearequipmentforfuturereference.
・If any questions related to safetyarise about this manual,
pleaseconfirmthemwiththedistributororourcompany.
INSTRUCTIONMANUAL
PLS 
type
Version 1.10 (2023.04.12)
Original instructions
DANGER
77-1,Motomachi,Fuchu-shi,Hiroshima,726-8610,Japan
Te l .[phone]
Fax.[phone]
KitagawaCorporation
■ JAPAN DOMESTIC
■ OVERSEAS
Tokyooffice
Sendaioffice
Nagoyaoffice
Osakaoffice
Hiroshimaoffice
Kyushuoffice
Overseasoffice
TheproductshereinarecontrolledunderJapaneseForeignExchangeandForeignTradeControlAct.Intheeventofimportingand/orexportingtheproducts,
youareobligedtoconsultKITAGAWAaswellasyourgovernmentfortherelatedregulationpriortoanytransaction.
Kitagawa Corporation KitagawaGlobalhandCompany
77 - 1 ,Motomachi,Fuchu-shi,Hiroshima,726-8610,Japan Tel.[phone] Fax.[phone]
I2023.05.200
1-405-1,Kita-ku,Yosino-cho,Saitama-shi,Saitama,331-9634,Japan
4-15-13,Yamatomachi,Wakabayashi-ku,Sendai-shi,Miyagi,984-0042,Japan
2-62,Kamitakabata,Nakagawa-ku,Nagoya-shi,Aichi,454-0873,Japan
3-2-9,Kitakagaya,Suminoe-ku,Osaka-shi,Osaka,559-0011,Japan
77-1,Motomachi,Fuchu-shi,Hiroshima,726-8610,Japan
7-6-39,Itazuke,Hakata-ku,Fukuoka-shi,Fukuoka,812-0888,Japan
77-1,Motomachi,Fuchu-shi,Hiroshima,726-8610,Japan
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https://www.kitagawa.com.cn
https://www.kiw.co.jp
https://www.kitagawa.com
KITAGAWA-NORTHTECHINC.
KITAGAWAEUROPELTD.
KITAGAWAEUROPEGmbH
KITAGAWAEUROPEGmbHPolandOffice
KITAGAWAEUROPEGmbHCzechOffice
KITAGAWAEUROPEGmbHRomaniaOffice
KITAGAWAEUROPEGmbHHungaryOffice
KITAGAWAINDIAPVTLTD.
KITAGAWA(THAILAND)CO.,LTD.BangkokBranch
KitagawaCorporation(Shanghai)
KitagawaCorporation(Shanghai)GuangzhouOffice
DEAMARKLIMITED
KITAGAWAKOREAAGENTCO.,LTD.
DIMACTOOLINGPTY.LTD.
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AmericaContact
EuropeContact
AsiaContact
OceaniaContact
https://www.kitagawa-usa.com
https://www.kitagawa.global/en
https://www.kitagawa.global/de
https://www.kitagawa.global/pl
https://www.kitagawa.global/cz
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https://www.kitagawa.global/in
https://www.smri.asia/jp/kitagawa
https://www.kitagawa.com.cn
https://www.deamark.com.tw
http://www.kitagawa.co.kr
https://www.dimac.com.au

1
2
Thismanualprovidesdetailedinformationabouthowtosafelyandcorrectlyusetheworkgripper(PLStype).
Beforestartingtousethisworkgripper,readthismanualcarefullyandalwaysfollowtheinstructionsandwarningsin
"ImportantSafetyPrecautions"and"PrecautionsforUse"atbeginningofthemanual.Failuretofollowthese
precautionscouldresultinaseriousaccident.
Inthismanual,precautionsforhandlingthatareconsideredespeciallyimportantareclassifiedanddisplayedasshownbelow
dependingonthedamageofriskincludingtheseriousnessoftheharmthatcouldresult.Pleasesufficientlyunderstandthe
meaningsofthesetermsandfollowtheinstructionsforsafeoperation.
Thetriangleisthesafetyalertsymbolusedtoalertyoutopotentialsafetyhazardsthatcouldresultininjuryordeath.
SafetyAlertSymbol
Preface
TermsandSymbolsUsedforSafetyMessages
Thisproductissuitableforgrippingaworkpieceontherotarytablesormachiningcenters.Thisproductisequippedwith
thejawstoclamptheworkpieceandtheyoperatebymeansofabuilt-incylinder.Foranyotherapplications,please
contactus.
Ourcompany will not assume responsibility for injury, death, damage, or loss resulting from not following the
instructionsinthismanual.
Therearecountlessthingsthatcannotorshouldnotbedone,anditisimpossibletocoveralloftheminthismanual.
Therefore,donotperformany actionsunlesstheyarespecifically allowed inthismanual.Ifany questions relatedto
safetyariseaboutoperation,control,inspectionandmaintenancewhicharenotspecifiedinthismanual,pleaseconfirm
themwithourcompanyordistributorbeforeperformingthem.
LiabilityandHowtoUsethisManual
Theguaranteeperiodofthisproductis1yearafterdelivery.
Use the parts delivered by Kitagawa Corporation for all the parts including consumable parts. We will not assume
responsibilityforinjury,death,damage,orlosscausedbyusageofpartsnotmanufacturedbyKitagawaCorporation.
Additionally,ifpartsotherthangenuinepartsmanufacturedbyKitagawaCorporationareused,thisguaranteewillbe
completelyinvalid.
GuaranteeandLimitationofLiability
Indicatesahazardoussituationwhich,ifyounotavoided,
willresultindeathorseriousinjury.
Indicatesahazardoussituationwhich,ifyounotavoided,
couldresultindeathorseriousinjury.
Indicatesahazardoussituationwhich,ifyounotavoided,
couldresultinminorormoderateinjury.
Indicatesinstructionswhich,ifnotavoided,couldresultin
damagetotheequipmentorashortenedworklife.
DANGER
WARNING
CAUTION
NOTICE
TableofContents
1.StructuralDrawingandPartsList
1-1.Typedisplay
1-2.Structuraldrawing
1-3.Scopeofproduct
1-4.Partslist
2. ImportantSafetyPrecautions
3.Specifications
3-1.Specifications
3-2.Relationshipbetweenpressureandgrippingforce
4.FormingSoftJaw
4-1.Attachmentofjaw
4-2.Formingsoftjaw
5.Usage
5-1.Precautionsduringgrippingworkwithworkgripper
5-2.Precautionsduringgrippingworkinirregularshape
5-3.Precautionsrelatedtousageofjaw
5-4.Precautionsrelatedtoprocessing
5-5.Attachmentoflocatorandjig
5-6.Precautionsrelatedtousageoflockvalveunit
6.MaintenanceandInspection
6-1.PeriodicInspection
6-2.Greaselubrication
6-3.Disassembling
6-4.Inspectionoflockvalveunit
7.MalfunctionandCountermeasures
7-1.Inthecaseofmalfunction
7-2.Wheretocontactinthecaseofmalfunction
ForMachineToolManufacturers(Chapter8)
8.Attachment
8-1.Airpiping
8-2.Attachmentoflockvalveunit
8-3.Oilpiping
9.TrialOperation
10.OtherInformation
10-1.Aboutstandardsandorders
10-2.Informationaboutmarkingsofproduct
10-3.Aboutdisposal
……………………………………………………………… 3
………………………………………………………  8
…………………………………………………………………………………… 13
……………………………………………………………………………… 15
…………………………………………………………………………………………… 17
………………………………………………………………… 20
…………………………………………………………… 23
……………………………………………………………………………………… 24
………………………………………………………………………………… 27
……………………………………………………………………………… 28

1
2
Thismanualprovidesdetailedinformationabouthowtosafelyandcorrectlyusetheworkgripper(PLStype).
Beforestartingtousethisworkgripper,readthismanualcarefullyandalwaysfollowtheinstructionsandwarningsin
"ImportantSafetyPrecautions"and"PrecautionsforUse"atbeginningofthemanual.Failuretofollowthese
precautionscouldresultinaseriousaccident.
Inthismanual,precautionsforhandlingthatareconsideredespeciallyimportantareclassifiedanddisplayedasshownbelow
dependingonthedamageofriskincludingtheseriousnessoftheharmthatcouldresult.Pleasesufficientlyunderstandthe
meaningsofthesetermsandfollowtheinstructionsforsafeoperation.
Thetriangleisthesafetyalertsymbolusedtoalertyoutopotentialsafetyhazardsthatcouldresultininjuryordeath.
SafetyAlertSymbol
Preface
TermsandSymbolsUsedforSafetyMessages
Thisproductissuitableforgrippingaworkpieceontherotarytablesormachiningcenters.Thisproductisequippedwith
thejawstoclamptheworkpieceandtheyoperatebymeansofabuilt-incylinder.Foranyotherapplications,please
contactus.
Ourcompany will not assume responsibility for injury, death, damage, or loss resulting from not following the
instructionsinthismanual.
Therearecountlessthingsthatcannotorshouldnotbedone,anditisimpossibletocoveralloftheminthismanual.
Therefore,donotperformany actionsunlesstheyarespecifically allowed inthismanual.Ifany questions relatedto
safetyariseaboutoperation,control,inspectionandmaintenancewhicharenotspecifiedinthismanual,pleaseconfirm
themwithourcompanyordistributorbeforeperformingthem.
LiabilityandHowtoUsethisManual
Theguaranteeperiodofthisproductis1yearafterdelivery.
Use the parts delivered by Kitagawa Corporation for all the parts including consumable parts. We will not assume
responsibilityforinjury,death,damage,orlosscausedbyusageofpartsnotmanufacturedbyKitagawaCorporation.
Additionally,ifpartsotherthangenuinepartsmanufacturedbyKitagawaCorporationareused,thisguaranteewillbe
completelyinvalid.
GuaranteeandLimitationofLiability
Indicatesahazardoussituationwhich,ifyounotavoided,
willresultindeathorseriousinjury.
Indicatesahazardoussituationwhich,ifyounotavoided,
couldresultindeathorseriousinjury.
Indicatesahazardoussituationwhich,ifyounotavoided,
couldresultinminorormoderateinjury.
Indicatesinstructionswhich,ifnotavoided,couldresultin
damagetotheequipmentorashortenedworklife.
DANGER
WARNING
CAUTION
NOTICE
TableofContents
1.StructuralDrawingandPartsList
1-1.Typedisplay
1-2.Structuraldrawing
1-3.Scopeofproduct
1-4.Partslist
2. ImportantSafetyPrecautions
3.Specifications
3-1.Specifications
3-2.Relationshipbetweenpressureandgrippingforce
4.FormingSoftJaw
4-1.Attachmentofjaw
4-2.Formingsoftjaw
5.Usage
5-1.Precautionsduringgrippingworkwithworkgripper
5-2.Precautionsduringgrippingworkinirregularshape
5-3.Precautionsrelatedtousageofjaw
5-4.Precautionsrelatedtoprocessing
5-5.Attachmentoflocatorandjig
5-6.Precautionsrelatedtousageoflockvalveunit
6.MaintenanceandInspection
6-1.PeriodicInspection
6-2.Greaselubrication
6-3.Disassembling
6-4.Inspectionoflockvalveunit
7.MalfunctionandCountermeasures
7-1.Inthecaseofmalfunction
7-2.Wheretocontactinthecaseofmalfunction
ForMachineToolManufacturers(Chapter8)
8.Attachment
8-1.Airpiping
8-2.Attachmentoflockvalveunit
8-3.Oilpiping
9.TrialOperation
10.OtherInformation
10-1.Aboutstandardsandorders
10-2.Informationaboutmarkingsofproduct
10-3.Aboutdisposal
……………………………………………………………… 3
………………………………………………………  8
…………………………………………………………………………………… 13
……………………………………………………………………………… 15
…………………………………………………………………………………………… 17
………………………………………………………………… 20
…………………………………………………………… 23
……………………………………………………………………………………… 24
………………………………………………………………………………… 27
……………………………………………………………………………… 28

3
4
Typedisplayasshownbelow
1 − 1 Typedisplay
1
− 2 Structuraldrawing
Fig.1
Fig.2
1.StructuralDrawingandPartsList
PLS 04-999
DesignNo.
（Inch）
Nominaldiameter
Thisinstruction manual isfor the workgripper. Other thaninformation aboutthe work gripper,it is mentionedabout
optionalarticle(Alockvalveunit).
1 − 3 Scopeofproduct
Fig.3
・To prevent the work from flying, safe design, maintenance and erroneous action prevention of the pneumatic
systemtomaintainthegrippingforceoftheworkgripperisextremelyimportant.ThoroughlyreadtheImportant
SafetyPrecautionsonandafterpage8inthismanual.
・Asfortheotherpneumaticproducts,followtheinstructionmanualfortheseproducts.
（Softjaw.hardjaw.
specialjawincluded）
Body Plunger
Cover
Blockorlockvalve
unit（Option）
Topjaw
Masterjaw
Piston
Flange
Cylinder
cover
Workgripper
Workgripper
OUT IN
Waterdrainhandle
Airpressuregauge
Lockvalveunit
Manualswitching
valveor
solenoidvalve Airhose
Airpressure
adjustinghandle
Aircontrolunit
Lockvalveunit
Manualswitchingvalve
(AV-02F)
WARNING
PLSseries

3
4
Typedisplayasshownbelow
1 − 1 Typedisplay
1
− 2 Structuraldrawing
Fig.1
Fig.2
1.StructuralDrawingandPartsList
PLS 04-999
DesignNo.
（Inch）
Nominaldiameter
Thisinstruction manual isfor the workgripper. Other thaninformation aboutthe work gripper,it is mentionedabout
optionalarticle(Alockvalveunit).
1 − 3 Scopeofproduct
Fig.3
・To prevent the work from flying, safe design, maintenance and erroneous action prevention of the pneumatic
systemtomaintainthegrippingforceoftheworkgripperisextremelyimportant.ThoroughlyreadtheImportant
SafetyPrecautionsonandafterpage8inthismanual.
・Asfortheotherpneumaticproducts,followtheinstructionmanualfortheseproducts.
（Softjaw.hardjaw.
specialjawincluded）
Body Plunger
Cover
Blockorlockvalve
unit（Option）
Topjaw
Masterjaw
Piston
Flange
Cylinder
cover
Workgripper
Workgripper
OUT IN
Waterdrainhandle
Airpressuregauge
Lockvalveunit
Manualswitching
valveor
solenoidvalve Airhose
Airpressure
adjustinghandle
Aircontrolunit
Lockvalveunit
Manualswitchingvalve
(AV-02F)
WARNING
PLSseries

5
6
1 − 4 Partslist
Fig.4
Table1
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
23
24
25
26
27
28
29
30
31
32
33
No.
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Quantity
1
1
1
1
1
3
3
1
1
3
4
1
1
3
2
5or8
6
Partname
No. Partname PLS04 PLS06 PLS08
Partname
Body
Flange
Piston
Plunger
Cylindercover
Masterjaw
Softjaw
Cover
Block
PlugC
PlugD
ParallelPin
RetainingRing
Jawattachingbolt
Socketheadcapscrew
Socketheadcapscrew
Socketheadcapscrew
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
JIS2041P7
JIS2041P16
JIS2041P11
JIS2041P9
NOKS7
JASO3080
JIS2041P24
JASO2028
JIS2041G80
NOKS18
NOKS80
JIS2041P7
JIS2041P26
JIS2041P22
JIS2041P10
JIS2041P7
JIS2041G135
JIS2041G40
JIS2041G35
NOKS135
JIS2041S30
NOKS135
JIS2041P7
JIS2041P34
JIS2041G35
JIS2041P10
JIS2041P7
JIS2041G175
JIS2041G55
JIS2041G55
AS568-262
NOKS46
AS568-262
Setscrew
Socketheadbuttonscrew
Greasenipple
Orificeplug
Parallelpin
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
Quantity
1
3
1
1
1
3
3
1
6
1
1
1
1
1
1
1
Table2 Consumableparts
1
2
3
4
5
6
7
82
0
17
9
10
15
23
11 2731 28
33
26
13 32 29
24
21
16
30
25
18
22
11
12
19
14

5
6
1 − 4 Partslist
Fig.4
Table1
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
23
24
25
26
27
28
29
30
31
32
33
No.
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Quantity
1
1
1
1
1
3
3
1
1
3
4
1
1
3
2
5or8
6
Partname
No. Partname PLS04 PLS06 PLS08
Partname
Body
Flange
Piston
Plunger
Cylindercover
Masterjaw
Softjaw
Cover
Block
PlugC
PlugD
ParallelPin
RetainingRing
Jawattachingbolt
Socketheadcapscrew
Socketheadcapscrew
Socketheadcapscrew
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
JIS2041P7
JIS2041P16
JIS2041P11
JIS2041P9
NOKS7
JASO3080
JIS2041P24
JASO2028
JIS2041G80
NOKS18
NOKS80
JIS2041P7
JIS2041P26
JIS2041P22
JIS2041P10
JIS2041P7
JIS2041G135
JIS2041G40
JIS2041G35
NOKS135
JIS2041S30
NOKS135
JIS2041P7
JIS2041P34
JIS2041G35
JIS2041P10
JIS2041P7
JIS2041G175
JIS2041G55
JIS2041G55
AS568-262
NOKS46
AS568-262
Setscrew
Socketheadbuttonscrew
Greasenipple
Orificeplug
Parallelpin
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
O-ring
Quantity
1
3
1
1
1
3
3
1
6
1
1
1
1
1
1
1
Table2 Consumableparts
1
2
3
4
5
6
7
820
17
9
10
15
23
11 2731 28
33
26
13 32 29
24
21
16
30
25
18
22
11
12
19
14

Importantsafetyprecautionsaresummarizedbelow.Pleasereadthissectionbeforefirststartingtousethisproduct.
2. ImportantSafetyPrecautions
Failuretofollowthesafetyprecautionsbelowwillresultin
seriousinjuryordeath.
DANGER
Turnoffmainpowersupplybeforeattaching,inspectingorreplacingworkgripper,
andbeforeaddingoil.
・The machine tool may start rotation
suddenly, andapart of the body or
clothingmaybecaught.
Closedoorbeforemachining.
・If the door is not closed, you may touch
thetools or the work gripper, or the work
may fly out, which is very dangerous. (In
general,thesafetyinterlockfunctionwhich
allows machining only when the door is
themanualmodeorthetestmode)
Duringmachining,donotoperateswitchingvalve.
・Thisisdangerousastheworkwillfly
out.
Fig.5Lockvalveunit
Table3
No.
41
42
43
44
45
46
47
48
49
50
No.
51
52
53
54
55
56
57
58
59
60
Quantity
1
2
2
1
2
2
2
1
1
1
Partname Partname
Block
Sealwasher
Capscrew
Cap
Spring
Ballφ8
Valveseat
Housing
Pilotspool
Ring
Plug
O-ringJASO1015
O-ringJASO1016
O-ringJASO1017
O-ringJISB2401P9
O-ringJASO1014
O-ringJASO1021
Hex.key5
CapscrewM6×50
Airpressuregauge
Quantity
1
1
1
1
1
1
1
1
2
1
7
8
ForAllUsers
ForAllUsers
ForAllUsers
44 52 53 55 54 56 57
514547504948 4647
41
42
43
45
46
OFF
Switchingvalve

Importantsafetyprecautionsaresummarizedbelow.Pleasereadthissectionbeforefirststartingtousethisproduct.
2. ImportantSafetyPrecautions
Failuretofollowthesafetyprecautionsbelowwillresultin
seriousinjuryordeath.
DANGER
Turnoffmainpowersupplybeforeattaching,inspectingorreplacingworkgripper,
andbeforeaddingoil.
・The machine tool may start rotation
suddenly, andapart of the body or
clothingmaybecaught.
Closedoorbeforemachining.
・If the door is not closed, you may touch
thetools or the work gripper, or the work
may fly out, which is very dangerous. (In
general,thesafetyinterlockfunctionwhich
allows machining only when the door is
themanualmodeorthetestmode)
Duringmachining,donotoperateswitchingvalve.
・Thisisdangerousastheworkwillfly
out.
Fig.5Lockvalveunit
Table3
No.
41
42
43
44
45
46
47
48
49
50
No.
51
52
53
54
55
56
57
58
59
60
Quantity
1
2
2
1
2
2
2
1
1
1
Partname Partname
Block
Sealwasher
Capscrew
Cap
Spring
Ballφ8
Valveseat
Housing
Pilotspool
Ring
Plug
O-ringJASO1015
O-ringJASO1016
O-ringJASO1017
O-ringJISB2401P9
O-ringJASO1014
O-ringJASO1021
Hex.key5
CapscrewM6×50
Airpressuregauge
Quantity
1
1
1
1
1
1
1
1
2
1
7
8
ForAllUsers
ForAllUsers
ForAllUsers
44 52 53 55 54 56 57
514547504948 4647
41
42
43
45
46
OFF
Switchingvalve

Alwaystightentheboltsatthespecifiedtorque.Ifthetorqueisinsufficient
orexcessive,theboltwillbreak,whichisdangerousasthe
workgripperorworkwillflyout.Usetheboltsattachedto
theworkgripper,anddonotuseboltsotherthanthese.
・Iftheprotrusionislong,thetipoftheworkcanturnandtheworkflyout.
・Grippingforceisshortbycentrifugalforce,ortheworkgrippermaybreakandtheworkgripperor
workcouldflyout.
Whentheprotrusionoftheworkislong,
supportitwiththesteadyrestorcenter.
Donotusetheworkgripperonthelathe.
・Tighteningtorqueismomentofforcewhenyoutightenabolt.
Tighteningtorque=F×L.
9
10
10
ForAllUsers
ForAllUsers
ForAllUsers
ImportantSafetyPrecautions
・Ifthepneumaticpressuresuddenlydropsduetoblackoutormalfunction,etc.,thisisdangerousas
workwillflyout.
・Lock valve retains the pneumatic pressure inside the cylinder temporarily, when the pneumatic
pressuresuddenlydropsduetoblackoutormalfunction,etc. Weprepareforthelockvalveunitfor
exclusiveuseoftheworkgripperoptionally.
・If the torque is insufficient or excessive,
theboltwillbreak,whichis dangerousas
theworkgripperorworkwillflyout.
・Fix the lathe spindle or the work gripper
when you tighten bolts. Your hand could
slipandgetinjurywhenyou workwithout
fixingthespindle.
・You cannot control the torque by a hex
key. You must use a torque wrench for
torquecontrol.
Specifiedtorquefor
socketheadcapscrew
Boltsize Tighteningtorque
M5
M6
M8
M10
M12
M14
M16
M20
M22
7.5N・m
13N・m
33N・m
73N・m
107N・m
171N・m
250N・m
402N・m
539N・m
Tighteningtorque
Ｔ=Ｆ×Ｌ
=127×0.1
=12.7(N・m)
Ｌ=0.1(m)
Ｆ=127(N)
(13kgf)
Failuretofollowthesafetyprecautionsbelowcouldresultin
seriousinjuryordeath.
WARNING
Failuretofollowthesafetyprecautionsbelowwillresultin
seriousinjuryordeath.
DANGER
Usealockvalve(safetyvalve,checkvalve)incorporatedincaseofsuddenpneumatic
pressuredropduetoblackout,malfunction,etc.Further,useasolenoidvalvewitha
circuitthatretainsthegrippingpositionwhen
nocurrentiscarried.(Refertopage19)
ForMachineToolManufactures