Aya ekuisa muzinga akagadzirwa kuti aiswe pamabhuraketi akakosha uye anobatsira kubvisa makwinya mumhando dzakasiyana dze crankshaft application.
Mutengi anouya kwauri aine 90-degree pombi kugadzira basa.Ichi chishandiso chinoda 2 ″ tubing.Outer Diameter (OD), 0.065 in. Ukobvu hwemadziro, 4 inches.Centerline Radius (CLR).Mutengi anoda zvidimbu mazana maviri pasvondo kwegore.
Kufa zvinodiwa: kukotama kunofa, clamping inofa, press inofa, mandrels uye kuchenesa kunofa.hapana dambudziko.Zvinotaridza kunge ese maturusi anodiwa ekubhenda mamwe eprototypes ari muchitoro uye akagadzirira kuenda.Mushure mekugadzira chirongwa chemuchina, mushandisi anoremedza pombi uye anoita yekuyedza bend kuti ave nechokwadi chekuti muchina unoda kugadziriswa.Turn one yakabva yabuda mumota and it was perfect.Nokudaro, mugadziri anotumira sampuli dzakawanda dzepombi dzakakombama kumutengi, uyo anobva apedzisa kontrakiti, iyo inozotungamirira kune bhizinesi rinobatsira nguva dzose.Zvinhu zvese zvinenge zvakarongeka munyika.
Mwedzi yakapfuura, uye mutengi mumwe cheteyo aida kuderedza mari yezvinhu.Ichi chishandiso chitsva chinoda 2 ″ OD x 0.035 ″ dhayamita tubing.kukora kwemadziro uye masendimita matatu.CLR.Zvishandiso kubva kune imwe application inobatwa mukati nekambani, saka musangano unogona kukurumidza kugadzira prototypes.Mushandi anoremedza maturusi ese pabhureki rekudhinda uye anoedza kutarisa bend.Bend rekutanga rakabva pamushini une macrease mukati mekubhenda.Sei?Izvi zvinokonzerwa nechikamu chechishandiso chinonyanya kukosha pakukotama mapaipi ane madziro akaonda uye madiki radii: iyo wiper inofa.
Mukati mekuita kupeta chubhu inotenderera, zvinhu zviviri zvinoitika: madziro ekunze echubhu anodonha oita mutete, ukuwo mukati mechubhu ichidonha nekudonha.Izvo zvidiki zvinodikanwa zvematurusi ekubhenda pombi ane maoko anotenderedzwa idhiri rekukotama iro pombi yakakombama uye chinofanobata chinofa kuti chibate pombi panzvimbo sezvainokotama ichitenderedza kufa.
Iyo clamping die inobatsira kuchengetedza inogara ichimanikidza pombi pane tangent panoitika bend.Izvi zvinopa simba rekuita rinogadzira bend.Kureba kwekufa kunoenderana nekukombama kwechikamu uye radius yepakati mutsara.
Iyo application pachayo ino sarudza maturusi aunoda.Mune zvimwe zviitiko, kungokotama chete kunofa, clamping inofa uye press inofa inodiwa.Kana basa rako riine madziro akakora anoburitsa radii yakakura, ungasada wiper die kana mandrel.Mamwe maapplication anoda seti yakakwana yezvishandiso, zvinosanganisira kugaya kufa, mandrel, uye (pane mimwe michina) collet kubatsira kutungamira pombi uye kukotamisa ndege yekutenderera panguva yekukotama (ona Mufananidzo 1).
Squeegee inofa inobatsira kuchengetedza uye kubvisa makwinya pane yemukati radius yekubhenda.Ivo zvakare kuderedza kunze-kwe-pombi deformation.Wrinkles kuitika kana mandrel mukati pombi haichakwanisi kupa yakakwana reactive simba.
Pakukotama, wiper inogara ichishandiswa ne mandrel akaiswa mupombi.Basa guru remandrel nderokudzora chimiro chekunze kwekunze kwebhendi.Mandrels zvakare anotsigira radii yemukati, kunyangwe ivo vachingopa rutsigiro rwakazara rwezvikumbiro zvinosanganisira mashoma mashoma emamwe maD-bend uye madziro ratios.Bend D ndiyo bend CLR yakakamurwa nehupamhi hwekunze hwepombi, uye madziro emadziro ndiwo dhayamita rekunze repombi rakakamurwa nehukobvu hwemadziro epombi (ona Mufananidzo 2).
Wiper anofa anoshandiswa kana mandrel asingachakwanise kupa kudzora kwakakwana kana tsigiro yemukati radius.Semutemo wakajairwa, chirairo chekubvisa chinodikanwa kukotamisa chero nhete-yakavezwa mandrel.(Thin-walled mandrels dzimwe nguva inonzi yakanaka pitch mandrels, uye pitch ndiyo nhambwe pakati pemabhora ari pa mandrel.) Mandrel uye kufa kusarudzwa kunoenderana nepombi OD, pombi madziro ukobvu, uye bend radius.
Magadzirirwo akakodzera ekukuya anove akanyanya kukosha kana zvikumbiro zvinoda madziro matete kana radii diki.Funga zvakare muenzaniso uri panotangira nyaya ino.Chii chinoshanda 4 inches.CLR inogona kusakwana masendimita matatu.Iko kushanduka kwezvinhu kunodiwa neCLR uye vatengi kuchengetedza mari inoperekedzwa neiyo yepamusoro chaiyo inodiwa kugadzirisa matrix.
Mufananidzo 1 Zvikamu zvikuru zvepombi inotenderera bender ndeyekurovera, kukotama uye kuvhara kunofa.Kumwe kuiswa kungada kuti mandrel iiswe muchubhu, nepo zvimwe zvinoda kushandiswa kwemusoro wechiremba we mandrel.Iyo collet (isina kudomwa pano, asi ichange iri pakati pauchaisa chubhu) inobatsira kutungamira chubhu panguva yekukotama.Nhambwe iri pakati pe tangent (panzvimbo panoitika bend) nemuromo wewiper inonzi theoretical wiper offset.
Kusarudza iyo chaiyo scraper kufa, kupa tsigiro yakakodzera kubva pakukotama kufa, kufa uye mandrel, uye kutsvaga iyo chaiyo wiper kufa chinzvimbo kuti abvise mapundu anokonzera kuunyana uye warping ndiwo makiyi ekuburitsa emhando yepamusoro, mabhendi akaomarara.Kazhinji, nzvimbo yepipi yemuzinga inofanira kuva pakati pe0.060 ne0.300 inches kubva tangent (ona theoretical comb deflection inoratidzwa muFigure 1), zvichienderana nekukura kwechubhu uye radius.Ndokumbira utarise nemutengesi wako wezvishandiso kuti uwane hukuru chaihwo.
Ita shuwa kuti muromo wewiper die wakagezeswa nechubhu groove uye kuti hapana gap (kana kuti "bulge") pakati peinopukusira nechubhu groove.Tarisa zvakare mold pressure yako marongero.Kana muzinga uri pachimiro chakafanira maererano nechubhu groove, isa kakudzvanya kune yekumanikidza matrix kusundira chubhu muinobhenda matrix uye kubatsira kutsvedzesa makunaku.
Wiper arrays anouya mumhando dzakasiyana uye saizi.Unogona kutenga rectangular/square wiper dies for rectangular uye square pombi, uye iwe unogona zvakare kushandisa contour/shaped wipers kuti ikwane chaiwo maumbirwo uye kutsigira akasiyana maficha.
Zvitaera zviviri zvakajairika ndeye-chidimbu-chikwere-kumashure wiper matrix uye ine bladed wiper inobata.Square back wiper inofa (ona Figure 3) inoshandiswa kune zvitete zvakakomberedzwa zvigadzirwa, nhete D-mabhendi (kazhinji 1.25D kana pasi), aerospace, yakakwirira aesthetic application, uye diki kusvika pakati batch kugadzirwa.
Kune macurves asingasviki 2D, unogona kutanga ne-square-backed wiper die, uchifambisa maitiro.Semuenzaniso, unogona kutanga ne 2D square back curved scraper ine rusvingo rwe 150. Zvimwewo, unogona kushandisa scraper holder ine blade yezvikumbiro zvishoma zvechisimba zvakadai se 2D curves ine rusvingo rwe25.
Square back wiper plates inopa yakanyanya rutsigiro rwemukati radius.Ivo vanogona zvakare kutemwa mushure mekupfeka matipi, asi iwe uchafanirwa kugadzirisa muchina kuti ugare mupfupi wiper kufa mushure mekucheka.
Imwe mhando yakajairika ye scraper blade holder inochipa uye inodhura zvakanyanya pakugadzira mabhendi (ona Mufananidzo 4).Anogona kushandiswa kune mwero kusvika kusimba D mabhenji, pamwe nekukotamisa mapaipi akasiyana-siyana ane dhayamita rekunze rakafanana uye CLR.Paunongoona kupfekwa kwetip, unogona kuitsiva.Paunenge uchiita izvi, iwe unozoona kuti iyo matipi inoiswa otomatiki pachinzvimbo chakafanana neyakapfuura blade, zvichireva kuti haufanirwe kugadzirisa wiper ruoko kukwira.Ziva, zvisinei, kuti kumisikidzwa uye nzvimbo yeblade kiyi pane yekuchenesa matrix inobata zvakasiyana, saka iwe unofanirwa kuve nechokwadi chekuti blade dhizaini inoenderana nedhizaini inobata brashi.
Wiper holders ane ma insert anoderedza nguva yekuseta asi haakurudzirwe madiki radii.Ivo zvakare havashande nerectangular kana sikweya machubhu kana profiles.Ose ari maviri masikweya kumashure anopukuta mizinga uye kuisa maoko e wiper anogona kugadzirwa ari padyo.Zvisina-kubata wiper zvinofa zvakagadzirirwa kuderedza tsvina yepombi, zvichibvumira hurefu hupfupi hwekushanda nekuwedzera chinonamira kuseri kwewiper uye kubvumira collet (tube guide block) kuti iiswe padyo nekubhenda kufa (ona Mufananidzo 5).
Chinangwa ndechekupfupisa hurefu hwepombi hunodiwa, nekudaro kuchengetedza zvinhu zvekushandisa kwakaringana.Nepo aya ma wiper asingabatike achidzikisa tsvina, anopa rutsigiro rushoma pane akajairwa sikweya rear wipers kana akajairwa wiper mounts nemabhurashi.
Ita shuwa kuti uri kushandisa yakanakisa scraper die material.Aluminium bronze inofanira kushandiswa pakukotama zvinhu zvakaoma sesimbi isina tsvina, titanium uye INCONEL alloys.Paunenge uchikotamisa zvinhu zvakapfava sesimbi yakapfava, mhangura nealuminium, shandisa simbi kana chrome simbi wiper (ona fig. 6).
Mufananidzo 2 Kazhinji, zvikumbiro zvishoma zvehasha hazvidi chipu chekuchenesa.Kuti uverenge chati iyi, ona makiyi ari pamusoro.
Paunenge uchishandisa mubato webanga une blade, mubato wacho unowanzo gadzirwa nesimbi, asi mune dzimwe nguva zvose mubato uye muromo zvingadiwa kuva aruminiyamu bhuronzi.
Kunyangwe iwe uchishandisa muzinga kana bhurashi inobata ine mablades, iwe unenge uchishandisa imwecheteyo muchina kuseta.Paunenge wakabata chubhu munzvimbo yakasungirirwa zvakakwana, isa scraper pamusoro pekubhenda uye kumashure kwechubhu.Iyo wiper tip ichapinda munzvimbo nekurova kumashure kweiyo wiper array nerubber mallet.
Kana iwe usingakwanise kushandisa nzira iyi, shandisa ziso rako uye mutongi (mutongi) kuisa wiper matrix kana wiper blade holder.Ngwarira uye shandisa chigunwe chako kana mboni yeziso kuti uone kuti muromo wakatwasuka.Ita shuwa kuti zano harina kumberi zvakanyanya.Iwe unoda shanduko yakatsetseka sezvo chubhu ichipfuura muromo we wiper matrix.Dzokorora nzira yacho sezvinodiwa kuti uwane bend yakanaka.
Reke angle ndiyo kona ye squeegee maererano nematrix.Mamwe mashandisirwo ehunyanzvi mune aerospace uye mamwe minda anoshandisa wipers akagadzirwa asina zvishoma kana pasina rakes.Asi kune akawanda maapplication, iyo tilt angle inowanzoiswa pakati pe1 uye 2 madhigirii, sezvakaratidzwa mufig.1 kupa mvumo yakakwana yekudzikisa kudhonza.Iwe unozofanirwa kuona kutsetseka chaiko panguva yekuseta uye kuyedza kutendeuka, kunyangwe iwe dzimwe nguva uchikwanisa kuiisa pakutanga kutendeuka.
Uchishandisa yakajairwa wiper matrix, isa wiper tip zvishoma kumashure kuseri kwe tangent.Izvi zvinosiya nzvimbo yekuti mushandisi afambise muromo wekuchenesa kumberi sezvainopfeka.Nekudaro, usambofa wakaisa wiper matrix tip tangentially kana kupfuura;izvi zvinokuvadza iyo yekuchenesa matrix tip.
Paunenge uchikotama zvinhu zvakapfava, unogona kushandisa raki dzakawanda sezvaunoda.Zvisinei, kana uri kukotamisa zvinhu zvakaoma zvakadai sesimbi isina tsvina kana titanium, edza kuchengeta kukwenya kuchifa panzvimbo shoma.Shandisa zvinhu zvakaoma kuita kuti scraper iite yakatwasuka sezvinobvira, izvi zvichabatsira kuchenesa kunze macreases muma curves uye kutwasanuka mushure me curves.Kugadzika kwakadaro kunofanirawo kusanganisira mandrel akasimba.
Nokuda kwehutano hwakanaka, mandrel uye scraper die inofanira kushandiswa kutsigira mukati me bend uye kutonga kunze-kwe-roundness.Kana chikumbiro chako chichidaidza squeegee uye mandrel, shandisa zvese uye hauzozvidembi.
Kudzokera kune dambudziko rekutanga, edza kuhwina chibvumirano chinotevera chemadziro matete uye denser CLR.Iine wiper mold panzvimbo, chubhu yakabuda pamushini isina kukanganisa isina kuunyana.Izvi zvinomiririra mhando iyo indasitiri inoda, uye mhando ndiyo inofanirwa neindasitiri.
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