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1、93FTM13 CAGE-ComputerAided Gear EngineeringSoftware by: Enrico Esposito The Gleason Works AmericanGearManufacturersAssociation TECHNICALPAPER Copyright American Gear Manufacturers Association Provided by IHS under license with AGMA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale,
2、 04/18/2007 11:26:54 MDTNo reproduction or networking permitted without license from IHS -,-,- CAGE-Computer Aided EngineeringSoftware EnricoEsposito,The GleasonWorks Thestatementsandopinionscontainedhereinarethoseoftheauthorandshouldnotbeconstrued asanofficial actionor opinion of the American Gear
3、ManufacturersAssociation. ABSTRACT: Stateof theartcomputerprogrammingtechniqueshavebeen combinedwithbevel andhypoidgearsoftwareto give the gearengineeramodern,userfriendly geardevelopmenttool. TheUNIXbased setofprogramsusean industry standard windows-based graphical user interface for efficient and
4、logical gear design and analysis, manufacturing data and inspection data.Special features include: file folders containing all gear set development information,multi-window display and processing, full international language support,connections to manufacturingand inspection machines, field, screen
5、andprogram level on-line helpfacility andon-line user guide. Copyright 1993 American Gear Manufacturers Association 1500 King Slreet, Suite 201 Alexandria,Virginia, 22314 October,1993 ISBN: 1-55589-625-1 Copyright American Gear Manufacturers Association Provided by IHS under license with AGMA Licens
6、ee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/18/2007 11:26:54 MDTNo reproduction or networking permitted without license from IHS -,-,- The process of bevel and hypoid gear designThe calculations for basic machine settings have has evolved over the years from hand calculatedbeen
7、 continually improved since the introductionof the designs and weeks in the shop to computer generatedcomputer, but are only based on conditions at the reports with direct links to manufacturing andcalculation point. Therefore,it is desirable to analyze inspection machines. The iterative design proc
8、ess hasthe tooth surfaces and their mating contact been simplified with state of the art computers andcharacteristicsbefore parts are manufactured.A computer techniques.Todays gear design and analysisnumber of programsthat use the blank dimensions and programs take advantageof the computer industrys
9、basic machine settings have been developed for this standardsand state of the art software tools to providetype of analysis. todays engineers a platform for gear design that will take them into the twenty-first century.ToothContact Analysis The primaryanalysis method is ToothContact Bevel and Itypoi
10、dGear DesignAnalysis (TCA). The tooth contact pattern that would be observed by rolling the manufacturedparts in a test The Gear Design Processmachine using a marking compound is displayed, along The tooth surfaces of bevel and hypoid gears arewith a motion graph that displays the “smoothness“of def
11、ined implicitly by the machine setup and motionsroll. See Figure 2. used to manufacture the gear and the specifications of=,_._,._=,_1_ the generating tool. As a result, an iterative design“_,_,_,s - ,is,G_,_- _, - _ process has evolved. The initial blanks are designed_,_ _o_,_, _rI0_ 35I_TE3/_/93 I
12、_N-G. OF.fiR L“Ot_EXCO_V based on established standards. Contact pattern control_,7, _oE_=_,o“_,_.00-_-_._G_Z_R DII_4ETIR7.6007.340 CI3NT Lm3TM FACT0.35O.35 DELTA C_qMMA M. -I .000-2.O00 DELTA _I;“4AX. -2,000 11 0,000 the mating teeth along with the desired unifoimity of0o_,o0,_ oo_,_._o_o.oD_ CX EI
13、V)-2*_-LO motion. Using this control data and the calculation=ii_!-! -_! -l_ ,_ NOTION40, EI_IT_CT0.17formulas for the generating method, a basic machineg_: _o _ A,o_,s machine isdefinedasamachine thathasallpossible , setup and generating motions without any physical.,., limitations.See Figure1. Add
14、itionallnout/I CompetitorMsehin_ Serdags GearParsmeteasSurface Coordinates to Ser, inSs ControlD_ B_Se_ Figure2: Tooth ContactAnalysis (TCA) T* TCAMachine Se_ng Summa_/ UndercutDIDBlade CaindingSumm_7 Mismatch_G.AOEInspectionData LoadedTCA StressTCA Surface Compa.,ison SpecialRouglung Setup Revacyde
15、, _t Figure 1: Gear Design Process Copyright American Gear Manufacturers Association Provided by IHS under license with AGMA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/18/2007 11:26:54 MDTNo reproduction or networking permitted without license from IHS -,-,- Mismatch -_+
16、 _._._,_._“. _ The Mismatch program plots mismatch between._jL_la_jt_. _-_-_L _,_L_,_j the mating tooth surface from a conjugatetoOthsurface.See Figure 3.:_2_,_:, ,:_i!_:_, _i,to_l_MarcNptaT“_dt_ r0P_s2=T_ I _ _._“+_+_:,.-._,-. _Figure 5: Loaded TCA .Stress TCA I_ _t_,l_l,p,l_,-*y_l_d,_ ._. Figure 3
17、0: Refining the TCA Next, depending on the type ofjob, other analysis methods like mismatch, 13 Copyright American Gear Manufacturers Association Provided by IHS under license with AGMA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/18/2007 11:26:54 MDTNo reproduction or net
18、working permitted without license from IHS -,-,- Generalmachine informationis entered by selectingGeneral Informationfrom the Edit pulldownmenu option on the Summary menu bar. Figure 35: Summary Display Once satisfied with the design of the job, all that left to do is save the file folder and Figure
19、 33: General Summary Informationend the session. Next, the summary can be created. From the Run programmenu option, select CalculateSummary. Figure 36: Saving the Contents of the Work Folder Figure 34: Calculating a SummaryOnce the folder is saved, the user can end the program. All the files in the
20、work area Like all other reports, the Summarycan will remainuntilthe user selects a new folder or be sized and positioned on the screen by the user. To printthe report, from the Fileopens another folder. This allows the engineer to endthe program, and restartthe program to pulldownmenu, select Print
21、. pick up on the development right where they left off. 14 Copyright American Gear Manufacturers Association Provided by IHS under license with AGMA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/18/2007 11:26:54 MDTNo reproduction or networking permitted without license from IHS -,-,-