Maintaining Vibratory Feeders

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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?

    1

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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.

    2

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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.

    3

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    MoorfeedCorporationADivisionofExecutiveAutomationSystemsInc.

    1445BrookvilleWay,SuiteR,Indianapolis,IN46239(317)5457171www.moorfeed.com

    BiasAngletransfer

    Adjustabletoolingnormallyshouldopenslightlyinthedirectionofflow. Toolingthatiswiderorhigher

    whenthepartsenterthanwhentheyleavewillwedgeorcamlocktheparts.

    Partsfeedingthroughthedischargeandotherareaswithoverheadconfinementshouldhavethe

    confinementadjuste

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