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    IIIFoudat[ ENGINEERINGCO. INC,jM°oPROBEDIGITIZINGMANUAL

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    FouduoHI ENGINEERING CO. IIMC.)iiPROBEDIGITIZINGMANUALFEBRUARY1992

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    Table of ContentsSection 1:INSTALLATION3Probe InterfaceComputer Interface (RS-232-C)Power Supply forthePC ComputerStatic ElectricityEnvironmental ContaminantsDisk Handling PrecautionsSoftware Installation555566Section 2:START UP9MainMenuExitingtheSoftwareData EntrySetting TheZ Axis.91010Section 3...

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    IIICHAPTER IIINSTALLATIONIii1iiI\ii/iZ'f.gI!fJ- \Ni/\IInllIl

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    DigitizingPage:3ProbeInterfaceFadal Engineeringhas fitted theRenishaw Probe to theinterface.Use the followingprocedures to install theinterface and hardwareto theFadal VMC.MountingDieInterface BoxTheinterface box is equipped witha speaker that sendsan audio signal each time theprobe touches the p...

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    I4Renishaw Probe InstaUationUse the followingprocedure toinstall the probe intothe spindle.1)TurntheVMC’s power ON.2)Orient the spindlein the locked position (M19).3)Install the probe into the spindle.4)Insert the fiveprong plug (for the MP-1) intothe probe receptacle.Testing The InterfaceThere...

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    Digitizing Page:5Software InstallationFacial’s digitizing softwareis a seriesof programs to drive theVMC to digitize,manage data and machine a part via theRS-232. The softwareresides on two floppy disks.For efficient Probe operationa highperformance computer is preferred. Thesoftwareis intended...

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    6Static ElectricityComputer components are sensitivetostatic electricity whichcan be conductedthrough the operator.It is possible toerase the bits in memory anddisks ifa static charge hitsthe components in which they reside. Sometimes it takes onlya tiny charge, toosmall tofeel,toalteror destroy ...

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    IIChapter 2IISTARTUPIIIIIIIOIooI1IIIII

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    DigitizingPage: 9MainMenuThisprogram may be run from the floppy diskettes: however,for best results it isrecommended thata harddiskis used.Refer toSoftware Installation is Chapter 1.After theinstallation procedures, changedirectories to the PROBE directory.Type PROBEto start theprobesoftware. The...

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    10Data EntryTo select items from any menu, type the numberof the optionand press theENTERkey. When entering dataon anymenu thefunction keys, at the bottomof the screen,may bepressed atany time. This allowstheuser to input only those items thatare different than thedefaults.Warning:Toensure proper...

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    IICHAPTER 3DIGITIZINGA!fuctol,0*1•••aIIIIIII

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    DigitizingPage: 13Digitize From BeginningThis function is usedto begin the digitizingoperation. Toselect this functionfrom theMain Menu, press the 1 key and then press theENTER key.Thereare twomethods of digitizing,XY Pattern andXZ,YZ Pattern. Thesoftwareprompts for a response tomakea selection c...

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    14Z LevelsAftera filename has been entered, the software prompts fora response to"EnterTheNumber of ZLevels".Z levels indentify thenumber of levels to be digitized.Thisfeature isused whenundefined edgesof patterns are stacked likea staircase.cBTheabove pattern requiresan inputof 3 Z lev...

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    Digitizing Page:ISStartingDataThis screen allowsfor input ofup tofour lines of program code. Theseprogram linesare executed prior to the probesequence. These linesare typically used for modalpreparatorydata for the probing sequence. They may also beusedtomove toa specified position priortobeginni...

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    16StartingPosition:TheX, Y,and Z startingpositionsare the absolute coordinate in relation tothesethome (SETH)position on theVMC.It is from this position that the probe advancesthepattern.Z Clearance Position:TheZ Clearance Position isan absolutecoordinate to which the probe is positionedupon term...

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    DigitizingPage:17Approach Angle:The approaching angleis the angulardirection in which the probe advances the patternfrom the startingposition. A valueof 0 to360 determines direction. If the angulardirectionis Y+, the approaching angle is90 degrees.Do not approach perpendicular to thepattern, thep...

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    18Box StructuresThree dimensional boxstructuresare usedtoestablish boundaries arounda pattern,creatingan area referred toas a zone. The probe only digitizeswithin theuser defined boxedzones. The numberof boxes thatare needed dependson the shape of the pattern.Forexample, the objectbelow isset up ...

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    Digitizing Page:19Group FileNamesWhen enteringmore thanone box, thesoftware responds by promptingfora group filename. Thename is how the computercan identify and organize thedata storedon a disk. Themaximum name lengthis six characters. This allows for automatic box numbering. Useanalpha characte...

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    20Setthe digitizingparameters as follows:[iBJ Type in the parameters. All datamust beentered before digitizingcan begin.If more thanone box is being defined,use the function keys to advance to thenext page of parameter settings.l1B|J[ Help is accessible bypressing theF2 key.Once all datais entere...

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    Digitizing Page:21Digitizing beginsat the lower left handcomer of thefirst box,advancing theZ axisfrom the Maximum clearance planeto themaximum Z depth. Styluscontact with the patterncauses the current absoluteXYZ position tobe registeredand stored in the datafile. Thesoftware will then retract t...

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    22BeginDigitizingPress theFI key to begin digitizing.Thesoftware will thenprompt fora response toverify the probepath,RespondWith (Yor N)ToSimulate The Digitizing PathThis function graphically displays the pathdirection of the probe.To view theinitialized path,press Y and then press ENTER. A3D bo...

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    DigitizingPage: 23Resume Digitizing3D ProgramThis function is usedtoresume 3D digitizing.The initial digitizing operation may beaborted at any time during the operation. Only 3D programscan be resumed.Enter2 from the Main Menu toresume. The software will thendisplaya seriesofprompts to entera gro...

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    24Default Data Drive\path=This settingis usedto changethe data drive. Data isstored to drive A: B:C: orC:\Path\. The "V at theend of the path MUSTbe enteredfor correctoperation.Select the desired drive andpress ENTER.CommunicationPort #2 at 4800 BaudrateThis settingis usedtoselect the commun...

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    Digitizing Page: 25Retrace (On\off)=This setting turns theretrace operation on or off.Retrace isa methodofdigitizing in which the probeafter digitizinga grid point, is positioned above thepattern toa specifiedsurface tolerance and thenretraces the angularpathto the last gridpoint. Stylus contact ...

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    26SecondaryIncrement=SecondaryIncrement isan increment that is invoked when retraceis selected,or an angulartransition is greaterthan the specified Angle Tolerance (see AngleTolerance=).Enteran increment up toone fourth of the primaryXY increment.Forexample, if the primaryXY digitizing increment ...

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    DigitizingPage: 293D DRAW3D Draw is used tographically display data fileson thePC monitor. To select thisfunction,enter option#3 from the Main Menu. Thesoftware thenprompts for a response;RespondWith (Yor N)To Draw A GroupFile NameAll box structuresstored under theGroup File Nameare drawn ifa Y r...

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    Chapter 5FILE UTILITIESIIrVOTOPTDKJo¥ JtiiiLÿoJiliOJEMJBIMaaoHO Emmm.iAEJ LJJLVI

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    Digitizing Page:33Utilities MenuFile Utilities is a seriesof utility programs to manage and edit datafiles. To select FileUtilities from the Main Menu press thenumber 6 key and then press ENTER. Atwo partUtility Menu is then displayed.Function keyFI is used to displaya directory of filesstored in...

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    343)RotateThis utility rotates point files arounda coordinate. The program reads the file thatcontains the digitized XY points. Thenit rotates thecoordinates and stores the data. Thesource file isnot effected bythis utility. The followingquestions are displayedas eachansweris entered.Enter Source...

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    Digitizing Page:358)EditThe editingprogram will enable editingfunctions on datafiles.Data files notexceeding60KBytes in size,are loaded into the memory of thecomputerfor editing. Theprogram uses a menu system listing editingcommands. Each editing commandis referencedby two alpha characters. For e...

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    36Press theF2 key to display the continuedmenu.Utilities113 Print Out123Rs-232 Test133 Ruled Surface143 2D Circle Blend153 Part-Line163 Combine Group Files173 BackupTo/From Diskette183 Mark End Of Column193Reuerse 2D Path283 SegpnentFileEnter Selection Humber11)PrintOutThis utility sends the data...

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    Digitizing Page:3713)RuledSurfaceThis utility fileprepares a ruledsurface program for machiningfroman existing3Ddigitized file. A ruledsurface is created to reduce digitizing time and enhancesurface finishesduring the machiningoperation, thus reducingthe timeinvested in hand finishing thefinalpro...

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    3814)2D Circle Blend2D Circle Blend isa curve fitting techniquethat computes circulararcs betweensuccessive pairs of points. This is useful in eliminating flatsurfaces on circular shapedpatterns.The beginning and endingpoints of2D patternfilesare indicated bya comment inparenthesis next to the co...

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    DigitizingPage: 3917) BackupTo/From DisketteThis utilityis usedto make backup copiesof files. Select the option desired.=| File UtilityMulti-Disk File TransferD SaueFile To Disks23Restore FileFrom DisksSelect Option dumber _18) Mark EndOf ColumnThis utilityremoves the (START and (ENDmarkson a dig...

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    4020)Segment FileThis utility is usedto break theabsolute program code into segments. The file isconverted into incrementalcode. Segment lengthsare calculated based upon thedesiredfeerate and process speed. This utility should beused when high speed machining is desired.Fadal3-D File Conuersion U...

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    DigitizingPage: 41After the filter options have beenselected the prompt for the Ending Data is displayedas follows:StartingData: HsEndingData: MSEnter Source File MaineSAMPLE.ABSThe EndingData is theprogram code that theprocessing isto stopat.This is normallythe M5 code. Thesoftwarewill segmental...

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    IIChapter 6MACHINING,Fadat ,[CO. INC.|Ooeooo,OO OII

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    DigitizingPage: 45Part Machining (DNC)Direct Numerical Control (DNC)isa modeto control themachine through theRS-232port,butstill permits machine control functions suchas AUTO start,SINGLE STEPandSLIDE HOLD etc.. Use the following procedure to beginmachine operation:Q A)Select desired tool andinst...

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    INDEXGAGraphic Display3D draw,29Approach Feedrateprimary approach feedrate,24secondary approach feedrate,24HCHazardsenvironmental contaminants,5static electricity, 6Communications Portcommunications port, 24ComputerInterfaceline driver,5IIncrementsecondary increment,26Installationinterface,3probe...

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    INDEXPreparatoryDatastarting data,15yVideo Adaptervideo adapter,24RRetraceretrace on/off,25RS-232RS-232 check, 17RS-232 test,36cable length,5ZZ Axismaximum clearance,20maximum depth,20Z definition, 14Z levels,14SSetting Homesetting theprobe, 10setting the tool,10StartingPositionstarting position,...

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