Steve Benson wodziwika bwino amapeza maimelo owerenga kuti ayankhe mafunso okhudza kuwerengera ndi kupindika.Getty Images
Ndimalandira maimelo ambiri mwezi uliwonse ndipo ndikukhumba ndikanakhala ndi nthawi yowayankha onse.Koma tsoka, palibe nthawi yokwanira pa tsiku kuti ndichite zonse.Pa gawo la mwezi uno, ndasonkhanitsa maimelo angapo omwe ndikutsimikiza kuti owerenga anga okhazikika adzapeza zothandiza.Panthawiyi, tiyeni tiyambe kukambirana nkhani zokhudzana ndi masanjidwe.
Q: Ndikufuna kuyamba ndi kunena kuti mumalemba nkhani yabwino kwambiri. Ndinawapeza kuti ndi othandiza kwambiri. Ndakhala ndikulimbana ndi vuto mu pulogalamu yathu ya CAD ndipo sindikuwoneka kuti ndipeze yankho. Ndikupanga kutalika kopanda kanthu kwa hem, koma pulogalamuyo nthawi zonse imawoneka kuti imafuna ndalama zowonjezera bend. Ndinasowabe katundu.
Mwachitsanzo, ndili ndi chitsulo chosapanga dzimbiri cha 16-ga.304, miyeso yakunja ndi 2 "ndi 1.5", 0.75 ". Hem kupita kunja. Oyendetsa mabuleki athu atsimikiza kuti cholowa cha bend ndi mainchesi 0.117. Tikawonjezera kukula ndi hem, ndiye kuchotsa + 2 timapeza 7 - 5 1 stock. Kutalika kwa mainchesi 4.132.
A: Choyamba, tiyeni tifotokoze mawu ochepa. Munatchulapo bend allowance (BA) koma simunatchule kuchotsera bend (BD), ndinawona kuti simunaphatikizepo BD ya bend pakati pa 2.0 "ndi 1.5" mbali.
BA ndi BD ndizosiyana komanso sizisinthana, koma ngati muzigwiritsa ntchito moyenera, onse awiri amakutengerani kumalo omwewo.BA ndi mtunda wozungulira utali wozungulira womwe umayesedwa pamtunda wosalowerera ndale.Kenako yonjezerani chiwerengerocho ku miyeso yanu yakunja kuti ndikupatseni kutalika kosamveka kopanda kanthu.BD imachotsedwa ku miyeso yonse ya workpiece, kupindika kumodzi pa bend.
Chithunzi 1 chikuwonetsa kusiyana pakati pa ziwirizi.Ingotsimikizirani kuti mukugwiritsa ntchito yolondola.Dziwani kuti mfundo za BA ndi BD zingasiyane kuchokera ku bend kupita ku bend, malingana ndi bend angle ndi radius yomaliza yamkati.
Kuti muwone vuto lanu, mukugwiritsa ntchito 0.060″ chitsulo chosapanga dzimbiri cha 304 chopindika chimodzi ndi 2.0 ndi 1.5″ miyeso yakunja, ndi 0.75″. M'mphepete mwake. Apanso, simunaphatikizepo zambiri za ngodya yopindika ndi utali wamkati wa bend, koma kuti muchepetse 0 ndidapanga digirii ya airdie27. Izi zimakupatsani utali wa 0.099 inch. Kuyandama bend radius, yowerengedwa pogwiritsa ntchito lamulo la 20%. (Kuti mudziwe zambiri pa lamulo la 20%, mukhoza kuyang'ana "Momwe Mungasankhire Molondola Mtsinje Wamkati Wamkati wa Air Formation" polemba mutuwo mubokosi lofufuzira la thefabricator.com.)
Ngati ndi mainchesi 0.062. Utali wa nkhonya umapindika zinthuzo ndi mainchesi oposa 0.472. Kutsegula kwa Die, mumakwaniritsa mainchesi 0.099. Kuyandama mkati mwa utali wopindika, BA yanu iyenera kukhala mainchesi 0.141, kubwereranso kwakunja kuyenera kukhala mainchesi 0.125, ndipo kuchotserako bend kwa 0.099 inchi (BD50) kuyenera kukhala 0.BD10. mainchesi 2.0. (Mutha kupeza mafomula a BA ndi BD m’gawo langa lapitalo, kuphatikizapo “Zofunika Kuzigwiritsa Ntchito Kupinda.”)
Kenako, muyenera kuwerengera zomwe mungatenge pa hem. Pansi pamikhalidwe yabwino kwambiri, chotsitsa chamiyendo yathyathyathya kapena yotsekedwa (zida zosakwana mainchesi 0.080) ndi 43% ya makulidwe azinthu.
0.017 mainchesi.Kusiyanitsa pakati pa mtengo wanu wopanda kanthu wa 4.132 mainchesi ndi wanga wa mainchesi 4.1145 akhoza kufotokozedwa mosavuta ndi mfundo yakuti hemming ndi yodalira kwambiri.
Q: Tili ndi pulogalamu yopindika yomwe timapanga mapepala achitsulo osiyanasiyana, kuchokera ku 20-ga.Stainless kupita ku 10-ga. Pre-coated material.Tili ndi makina osindikizira omwe ali ndi zida zosinthika, V-dieni yosinthika pansi ndi nkhonya yodziyika yokhayokha pamwamba.
Tikugwira ntchito kuti tipeze kutalika kwa flange kumagwirizana mu gawo loyamba.Zinanenedwa kuti pulogalamu yathu ya CAD ikugwiritsa ntchito kuwerengera kolakwika, koma kampani yathu ya mapulogalamu inawona vutoli ndipo inati tinali bwino.Kodi idzakhala pulogalamu ya makina opindika? Kapena tikuganiza mopambanitsa?
A: Ndidzayankha ndemanga yanu yogula nkhonya yolakwika poyamba.Kutengera mtundu wa makina omwe muli nawo, ndikuganiza kuti mukupanga mpweya.Izi zimandipangitsa kuti ndifunse mafunso angapo.Choyamba, pamene mutumiza ntchito ku sitolo, mumamuuza woyendetsa pa nkhungu yomwe mapangidwe otsegulira gawolo amapangidwira?Zimapanga kusiyana kwakukulu.
Mukapanga gawo la airform, gawo lomaliza lamkati limapangidwa ngati kuchuluka kwa kutsegulidwa kwa nkhungu.Ili ndilo lamulo la 20% (onani funso loyamba kuti mudziwe zambiri) .Kutsegula kufa kumakhudza utali wozungulira, womwe umakhudzanso BA ndi BD.Choncho ngati kuwerengera kwanu kumaphatikizapo utali wosiyana wotheka wotsegulira kufa kusiyana ndi zomwe wogwiritsa ntchito amagwiritsa ntchito pa makina, muli ndi vuto.
Tiyerekeze kuti makinawo amagwiritsa ntchito kufa kwake kosiyana ndi momwe anakonzera.Pamenepo, makinawo adzakwaniritsa utali wosiyana wamkati wopindika kuposa momwe anakonzera, kusintha BA ndi BD, ndipo pamapeto pake gawolo limapangidwa miyeso.
Izi zimandibweretsa ku ndemanga yanu yolakwika ya punch radius.0.063″ pokhapokha ngati mukuyesera kupeza utali wosiyana kapena wocheperako wamkati.
Yezerani utali wopindika wamkati ndikuwonetsetsa kuti ukufanana ndi utali wopindika wamkati. kwa BA ndi BD.
Kumbali ina, simukufuna kugwiritsa ntchito nkhonya yocheperako, yomwe inganole popindika ndikuyambitsa mavuto ena ambiri.
Kupatula pazigawo ziwirizi, nkhonya mu mawonekedwe a mpweya si kanthu koma chigawo chokakamiza ndipo sichikhudza BD ndi BA.Apanso, utali wopindika umasonyezedwa ngati peresenti ya kufa, kuwerengedwa pogwiritsa ntchito lamulo la 20%.
Funso: Ndikuyesera kuwerengera kuchuluka kwa mphamvu yakutsogolo ya chida cha hemming chodziwikiratu kuti opareshoni athu azikhala otetezeka panthawi ya hemming. Kodi muli ndi malangizo ondithandizira kupeza izi?
Yankho: Mphamvu yam'mbali kapena lateral thrust ndizovuta kuyeza ndi kuwerengera kwa flattening a hem pa atolankhani brake ndipo nthawi zambiri ndi zosafunikira.Choopsa chenichenicho ndi kudzaza nkhonya ndi bedi la makinawo.Ram ndi bedi kugubuduzika kuchititsa aliyense kupindika kosatha.
Chithunzi 2. Ma platen thrust plate pa seti ya flattening dies amaonetsetsa kuti zida zapamwamba ndi zapansi sizikuyenda molunjika.
Makina osindikizira amatha kupotoza pansi pa katundu ndipo amabwerera kumalo ake oyambirira pamene katunduyo achotsedwa. Koma kupyola malire a katundu wa mabuleki akhoza kupindika mbali za makina mpaka pamene sabwereranso kumalo ophwanyika. Izi zikhoza kuwononga mpaka kalekale.
Ngati flange kuti flattened ndi yaitali mokwanira lathyathyathya, mbali kukankhira ayenera kukhala kochepa. ndi zida zapansi sizikuyenda molunjika wina ndi mnzake (onani Chithunzi 2).
Monga ndidanenera koyambirira kwa gawoli, pali mafunso ambiri komanso nthawi yochepa yoyankha onse. Zikomo chifukwa cha kudekha kwanu ngati mwanditumizira mafunso posachedwa.
Mulimonse momwe zingakhalire, lolani kuti mafunso apitirire.Ndidzawayankha mwamsanga.Mpaka pamenepo, ndikuyembekeza kuti mayankho apa athandiza omwe anafunsa funsoli ndi ena omwe akukumana ndi zofanana.
Zindikirani zinsinsi zogwiritsira ntchito brake ya atolankhani mu msonkhano waukulu wa masiku awiri wa August 8-9 ndi mphunzitsi Steve Benson kuti akuphunzitseni chiphunzitso ndi masamu oyambira makina anu. kufa kutsegulira kuti mupewe kupotozedwa.Pitani patsamba la zochitika kuti mudziwe zambiri.
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