Tsubaki MZ Series Technical specifications

TSUBAKI E&M CO.
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Cam Clutch Installation and Maintenance Instruction
MZ Series
MZ15, MZ17, MZ20, MZ30, MZ35, MZ45, MZ60, MZ70
MZ15G, MZ17G, MZ20G, MZ30G, MZ35G, MZ45G, MZ60G, MZ70G
ThankyouforchoosingTsubakiproducts.
Beforeinstallingorworkingon theproduct,checklabel forcorrect sizeandmake sureyouhavethe completeset ofparts.
If any partsismissing,contactyourdisttributorimmediately.
This manualshouldbeconsideredanessentialpartoftheunit and remain withthe unitwhenredistributed.
SAFETY
YourCamClutchisahighquality,sophisticatedunitwhichshouldbehandledbyexperiencedengineersonly.
Forsafetypurposes, makesure thismanualiseasilyaccessible bytheuseratalltimes.
To ensuresafetyand optimalperformance,carefullyreadthisinstructionmanualinitsentirety.
Death orseriousinjurymayresult from misuse,improperinstallationand/or impropermaintenance
ofthisproduct.Please refertothedetailedinstructions provided inthis manualforinstallationand
maintenancespecifications.
USE CARE TO PREVENT INJURY
COMPLY WITH THE FOLLOWING TO
AVOID SERIOUS PERSONAL INJURY:
1. Guardsmustbeprovidedonallchainandsprocket installationsin
accordance withprovisionsofANSI/ASMEB15.1-2000
“Safety Standards for Mechanical Power Transmission Apparatus,” and
ANSI/ASMEB20.1- 2012 “Safety Standards for Conveyors and Related
Equipment,” or other applicable safety standards. When revisions of
thesestandardsarepublished,theupdatededitionshallapply.
2. Alwayslock outthepowerswitchbeforeinstalling,removing, lubricating
orservicinga system whichusesPTUC product.
3. Whenconnecting ordisconnectingPTUC products,eye protection isrequired.
Wearsafetyglasses,protectiveclothing, glovesandsafetyshoes.
4. Improperinstallationor mounting,as wellas operatingconditions and maintenance,
canaffect theperformance ofa cam clutch.The camclutchshouldbe inspected regularly.
“PTUCisusedbyU.S.Tsubakitodesignate“PowerTransmissionUnitComponents.”
PTUC productsincludeCamClutch DISCO,POWER-LOCK
Ⓡ
,Shock Relay,Gearmotor,
HFDrive,ShockDamper,PowercylinderTM ,Couplings,SCRvariablespeedmotorand
otherlikeproductsmanufacturedby/forTsubaki.
WARNING
WARNING

TSUBAKI E&M CO.
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1. Construction
2. Installationand Usage
1. MZandMZ-GSeriesCamClutchisshielded byshieldbearingsonbothends, packedwitha specialgrease,and are readyfor use.
Noadditionallubricantisrequired.
2. Forattachingpulleys, gearsorsprocketsto theMZSeries CamClutches, insert hubswith thetoleranceoftablebelow alongthe inner
surface of the outerrace and screwthebolts(high tension)intothetapped holesonthe clutchend.
To theMZ-GSeries,usethe outerrace outerdimensionwiththe tolerancebelow.
Model
Toleranceinch(mm)
Model
Toleranceinch(mm)
MZ15
-.0010to-.0020(-0.025to-0.050)
MZ15G,17G,20G
0to+.0012(0to +0.030)
MZ17,20, 30,35
-.0012to-.0024(-0.030to-0.060)
MZ30G,35G
0to+.0014(0to +0.035)
MZ45
-.0014to-.0028(-0.036to -0.071)
MZ45G,60G,70G
0to+.0016(0to +0.040
MZ60,70
-.0017to-.0033(-0043 to-0.083)
3. Recommendedshafttoleranceis shown below.
ClutchBore
ShaftFitGuide
0to1.20inchesdia.
0to30mmdia.
Linefitto.0008 inchesloose
(0.020mm)
1.20 to2.00inches dia.
30mmto50mmdia.
Linefitto.0010 inchesloose
(0.025mm)
2.00 to3.15inches dia.
50mmto80mmdia.
Line fit to.0012inchesloose
(0.030mm)
4. Externalthrustloadshould besupportedbyother devices, not bythe CamClutch.
5. Useonlyaparallelkey(DIN6885.1:ISOR773) tosecuretheclutchtotheshaft.Do notuseataperedkey.
①Inner race
②Outerrace
③Cam
④Spring
⑤Bearing
⑥Plate
⑦Snap ring

TSUBAKI E&M CO.
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6.When mountingtheclutch ontotheshaft,applypressuretotheinner racebutneverto theouterrace. Seetheillustrationbelow.
7. Forvertical mounting,pleaseconsultTSUBAKI.
8.Ambienttemperaturerangeis23 ℉（－ 5°C ） ~ １０４℉（ +40°C ） . PleaseconsultTsubakiifitwillbeoutofthisrange.
2. Lubrication
Pre-lubricatedwithgrease. Nolubrication maintenancerequired..
2014/07/30 Bulletin No.CC01MY-00E
MZ Series
TSUBAKI E&M CO.
1-1,Kohtari-Kuresumi,NagaokakyoKyoto 617-0833, Japan
Phone :[phone]
Facsimile:[phone]
Internet : http://tsubakimoto.com/tem/
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http://tsubaki.sg/
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http://www.ustsubaki.com/
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TsubakiofCanadaLimited
http://tsubaki.ca/
Tsubakimoto Chain(Shanghai)Co.,Ltd.
http://tsubaki.cn/
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http://tsubaki.com.au/
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