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Vibratory
Feeding
Systems
MaintainingVibratorySystemsTroubleshootingguideonmaintainingvibratoryequipment.
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MoorfeedCorporationADivisionofExecutiveAutomationSystemsInc.
1445BrookvilleWay,SuiteR,Indianapolis,IN46239(317)5457171www.moorfeed.com
Table
of
Contents
DETERMINETHEPROBLEM....................................................................................................... 1
WHENDOESTHEPROBLEMOCCUR?........................................................................................ 2
OBSERVETHESYSTEMRUNNING.............................................................................................. 3
LOOKFORBROKENSPRINGS.................................................................................................... 4
PREVENTIVEMAINTENANCE
....................................................................................................
5
LISTENTOTHESYSTEM............................................................................................................ 6
TOUCHTHESYSTEM................................................................................................................. 7
CHECKTHEELECTRICALCOMPONENTS.................................................................................... 8
SOLIDSTATECONTROLLER ...................................................................................................... 9
CHECKTHESENSOR................................................................................................................ 10
SENORS.................................................................................................................................. 11
UNDERSTANDINGYOUR
FINDING
..........................................................................................
12
SENSOR/RATEPROBLEM........................................................................................................ 13
NEWINSTALLATION............................................................................................................... 13
EXSITINGINSTALLATION........................................................................................................ 14
JAMS...................................................................................................................................... 14
TUNING.................................................................................................................................. 15
RESONANCETUNING........................................................................................................ 16/17
MECHANICALTUNING
............................................................................................................
18
MOUNTINGFEET.................................................................................................................... 19
AIRGAP.................................................................................................................................. 20
CHECKINGTHETUNING.................................................................................................... 21/22
SPRINGS................................................................................................................................. 23
MAZZASRULE........................................................................................................................ 24
NEMAENCLOSURES............................................................................................................... 25
TUNING101..................................................................................................................... 27/31
NOTES:............................................................................................................................. 32/34
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MoorfeedCorporationADivisionofExecutiveAutomationSystemsInc.
1445BrookvilleWay,SuiteR,Indianapolis,IN46239(317)5457171www.moorfeed.com
This information is intended to give the end user a working knowledge andunderstanding of the expected performance of a vibratory feeder bowl and its
related components. To give the user a complete education is beyond therange of this text. It is, however, intended to make known and to make clearany terms of procedures that may otherwise be unspecified or unfamiliar.
In the occasion conditions occurs w ith the feeding system that is unusual orconflic ting with normal operation, please attempt to use this in formation as a
guide to t rouble shoot and repair the system. If there is a situations thatcannot be corrected then you will need to contact a trained technician.
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MoorfeedCorporationADivisionofExecutiveAutomationSystemsInc.
1445BrookvilleWay,SuiteR,Indianapolis,IN46239(317)5457171www.moorfeed.com
Determinetheproblem
Talktotheoperators
Whatistheproblem?
Askthemachineoperatorstotellyouwhattheyseeastheproblem. Theoperatorsmaynotknowthe
extractnatureoftheproblem,butwillhaveobservedwhathappens. Oftenthereinsightwillguideyouto
therealproblem.
Bowl,track,control&stand
Whathappenswhentheproblemoccurs?
Sometimesafewquestionswillhelptheoperatorstofocusonthefeederproblems. Doesthefeedsystem
runatall? Doesthehoppercycleproperly;comeononlywhenthebowlisrunningandnotfeedpartsso
fastthatitoverfillsthebowl? Doesthebowlfeedslowerwhenfilledorruntoofastwhenempty?Isthere
anapparentjam? Dopartsspilloutofthebowl? Isthereahammeringsound? Dogoodpartsfalloffthe
track? Dounorientedpartsfeedthroughtothemachineorjaminthetrackorbowl? Arethepartsto
specification? Isthereflashontheparts? Hasthetrackbecomeslickfrommoldreleaseoroil? Isthe
trackblockedwithdirt,flash,chipsorotherdebris? Ifthesystemquitrunning,didithappengradually,or
allatonce?
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MoorfeedCorporationADivisionofExecutiveAutomationSystemsInc.
1445BrookvilleWay,SuiteR,Indianapolis,IN46239(317)5457171www.moorfeed.com
Whentheproblemdoesoccur?
Anothermachinestartingupmayoccasionadropinlinevoltage. Areductionorincreaseinairline
pressurecaneffectorientationonbowlsusingairjets. Aheavymachinecyclingintheareamaybe
transferringvibrationthroughthefloorthataffectsthesystemandgoesawaywhenthemachineshuts
down. Asecondvibratoryfeederrunningonacommontablecouldsetupaharmonicnodethatwould
affecttheperformanceofthefirstfeeder.
Howdoestheoperatorfixtheproblem?
Gettheoperatortodescribewhattheyhavetodotofixtheproblemorworkaroundit. Ajamthatoccurs
inthesamelocationandisreadilyclearedbyremovingthejammedpartwouldwarrantlookingatthe
partsandthetoolingatthatlocation. Jamsthatrequireunboltingsectionstoclearthejampointtowarda
slightlymoredifficultproblem. Iftheoperatorhastoremovethejamandclearalargesectionoftrack,
theproblemmaybecausedbyasectionofthebowlthatclosesorbecomesmoreconfined. Asingleout
oftolerance
part
could
also
cause
it.
Anoperatormayneedtohandplaceorientedpartsinthetracktokeepup. Heorshemayhavehelped
thepartsdownthetrackbypushingthembyhand.
Clearingjamswithpicks,pliers,screwdriversormetalobjectswilldamagethetoolingandcauseadditiona
problems. Itisbettertoprovidetheoperatorswithbrassorplastictoolstousetoclearjams.
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MoorfeedCorporationADivisionofExecutiveAutomationSystemsInc.
1445BrookvilleWay,SuiteR,Indianapolis,IN46239(317)5457171www.moorfeed.com
Observethesystemrunning
Lookforpartsflow
Turnonthefeedsystemandwatchitrunforaminuteortwo. Youarelookingtoseethatthepartsfeed
consistentlyupthetrack. Alsochecktoseethatthepartsflowatthesamerateandthevolumeupthe
internalhelixinthebowlandthattherearenodeadspotsorareasinthebowl.
Watchthepartsfeedingthroughtheexternaltooling. Dothepartsnegotiatethetoolingcleanlyandatan
evenrate?
Lookforobstructions
Makesurevibratingdrivebases,bowls,trackandhopperpansarenottouchinganymounts,brackets,or
otheritemsonthemountingplateortable.
Checktoseethatvibratingunitsareclearofthesoundenclosureandthesounddampingmaterial.
Ifthepartsarejamminginthetoolingorfallingoffthetrack,checktoseethatthetoolingisfreeofdirt
and/orscraporforeignparts,andifitisjammingbetweenthetrackschecktheundersideofthetrack
directlyabovethejamforweldspatterorothersnags. Alsochecktoseethatthepitchbetweenthetracks
isconstantandnotclosing.
Lookforinterference
Partsspilledoutofbowlmaybedampeningthedriveiftheyarewedgedbetweenthedriveandafixed
objectsuchasthesoundenclosure,springbanks,andunderthedriveunit.
Anotherplacetolookforinterferencecouldbemisalignmentbetweenthebowldischargeandtheinline
trackorothermeansofconveyance. Partshesitationorwedgingastheyconveyacrossthisgapcanbethe
sourceofthejamsandcausethelowrates.
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MoorfeedCorporationADivisionofExecutiveAutomationSystemsInc.
1445BrookvilleWay,SuiteR,Indianapolis,IN46239(317)5457171www.moorfeed.com
BiasAngletransfer
Adjustabletoolingnormallyshouldopenslightlyinthedirectionofflow. Toolingthatiswiderorhigher
whenthepartsenterthanwhentheyleavewillwedgeorcamlocktheparts.
Partsfeedingthroughthedischargeandotherareaswithoverheadconfinementshouldhavethe
confinementadjuste
