I-ProLeanHub. Isikhathi sokufunda esilinganiselwe: imizuzu emi-5, imizuzwana eyi-17
Kuyini ukugoba kweshidi lensimbi?
Isisetshenziswa Sokugoqa Seshidi
Izinhlobo Zeshidi Ukugoba Metal
Isibonelelo Sokugoba Ishidi kanye Namasu wokubala
1 Kuyini ukugoba kweshidi lensimbi?
Ukugoba kuwuhlobo lokuwohloka futhi kungenye yezinqubo ezintathu eziyinhloko ekwenziweni kweshidi lensimbi;abanye ababili bayasika futhi bayahlanganisa.Inqubo yokugoba yokwenziwa kweshidi lensimbi iyinqubo yokubumba insimbi yeshidi ibe izilinganiso ezintathu kusetshenziswa imishini yokucindezela kanye nokufa okukhethekile.Ngenxa yezinto ezihlukene, ukushuba, ubude nobubanzi beshidi lensimbi kanye nokubunjwa okuhlukene nama-engeli okwakhiwa, amathani nobukhulu bemishini yokugoqa yemishini yokucindezela kuhlukile, kanye nokuphakama, ukuma kanye ne-V- Ubukhulu be-amplitude bokufa okuphezulu nangaphansi, futhi izimo zabo ezikhethekile zokufa zihlukile.Imvamisa isetshenziswa ukuguqula izingxenye zensimbi eziyisicaba zibe ezimise okwe-V, ezimise okuka-U noma ezifakwe slotted.
2 Imishini yokugoba yensimbi yeshidi
Imishini yokugoba ebaluleke kakhulu yeshidi yibhuleki, eliza ngezindlela eziningi ezahlukene.
- A i-gable brakeumshini wokugoba olula - kanye nebhuleki elisetshenziswa kakhulu ekukhiqizeni - obopha ishidi lensimbi endaweni eyisicaba bese usebenzisa amandla ngokuhamba kwensingo egobayo ukuze wenze ukugoba okuqondile noma ama-crease alula.
- Umshini wokugobawuhlobo lomshini wokugoba osebenzisa isibhakela esinyakazayo kanye nokufa okuhambisanayo.Kule nqubo, insimbi yeshidi ifakwe ku-die futhi i-punch iphoqeleka ukuba ihambe ensimbi, iphoqe ku-die.Kuye ngokuma kwefa, imishini yokugoba ingasetshenziswa ukwakha ama-V-bends, ama-U-bends nezinye izimo.
- Amabhuleki ebhokisi(okwaziwa nangokuthi amabhuleki eminwe) olunye uhlobo lomshini wokugoba osebenzisa umugqa "weminwe" yensimbi ukwenza ukugoba okuningi okungokwezifiso.Njengoba igama lisho, amabhuleki ebhokisi ngokuvamile asetshenziselwa ukwenza amabhokisi anosayizi wangokwezifiso.
- Umshini wokugoqa ibhaumshini wokugoba omncane futhi olula onesibambo esibamba ishidi lensimbi bese uligoba ngokunyakaza okukodwa.
Izinhlobo ezi-3 Zokugoba Kweshidi Lensimbi
Kunezinhlobo ezahlukene zokugoba zensimbi ezisetshenziselwa ukufeza ukugoba okuhlukene ngezindlela ezahlukene.Ezintathu zalezi zindlela zokugoba (ukugoba komoya, i-bottom kanye ne-coining) Izindlela zokugoba zensimbi yeshidi ziyefana ngokuthi umgomo wazo omkhulu uwukuguqula isakhiwo sensimbi yeshidi sibe yifomu elifunwayo.Nokho, ziyehluka ekusebenzeni kwazo.Ukuqonda indlela yokugoba insimbi yeshidi kudinga ukuqonda izici ezifana nokujiya kwempahla, ubukhulu bokugoba, irediyasi yokugoba yeshidi kanye nokusetshenziswa okuhlosiwe okunquma indlela.
1) Ukugoba komoya
Ukugoba komoya kuyindlela yokugoba lapho isibhakela sicindezela insimbi kuthayi, kodwa hhayi kude kangangokuthi ithinta izindonga zediyizi.
Le ndlela ayilungile njengezinye, kodwa iguquguquka kakhulu: ingasetshenziswa ukwenza i-V, i-U nezinye izimo zokugoba.Lokhu kungenxa yokuthi i-die geometry ayidingi ukuhambisana ncamashi nokugoba kwensimbi yeshidi oyifunayo, njengoba kungekho ukuxhumana phakathi kwezindawo ezimbili.
2) Ukugqoka phansi
I-bottoming ingenye indlela yokugoba ukugoba.Ngesikhathi se-underbending, i-punch icindezela insimbi yeshidi ngokuphelele ku-die, idale ukugoba okuhambisana nejometri ngaphakathi kwedayizi.Isetshenziselwa ukwenza ukugoba okumise okwe-V.
3) Ukwenza imali
I-Coining iwuhlobo olubiza kakhulu lokugoba lapho i-punch yehliswa ngamandla amakhulu eshidini lensimbi kanye ne-die, okuholela ekuguqukeni okuhlala njalo okune-springback encane.
4) Ukugoqa
Ukugoqa kungenziwa emishinini efana namabhuleki e-gable noma imishini yokugoqa izinduku.Ishidi lensimbi liboshelwa endaweni ngaphambi kokuba i-clamping beam iphakanyiswe ukuze igoqe insimbi ezungeze iphrofayela.Ukugoqa kufeza ukugoba okumise okuka-V futhi kuvumela ama-engeli agobile avumayo noma angalungile.
5) Ukusula
Ukusula (noma ukugoba unqenqema noma ukugoba) kungenye indlela yokugoba esetshenziswa emishinini efana namabhuleki amagebhuleki nemishini yokugoqa insimbi (kwezinye izimo imishini yokugoba).Iyashesha kunokugoqa, kodwa ingabangela umonakalo omkhulu endaweni yensimbi yeshidi.
6) Ukugoba okujikelezayo
Ngenxa yemishini esetshenziswayo, ukugoba ama-roll cishe kuyinqubo ehluke kakhulu yokugoba insimbi yeshidi.Isistimu yokugoba ama-roll inama-cylindrical roller amathathu agoba insimbi yeshidi ibe yisimo esigobile, ngakho-ke ingasetshenziswa ukwenza amapayipi, amashubhu nezinye izingxenye eziyindilinga.
7) Joggle Ukugoba
Ukugoba i-Joggle (ngezinye izikhathi okubizwa ngokuthi i-dimple bending) kuyindlela yokugoba kusetshenziswa umshini ogobayo ocishe ugobe kahle (njengalowo okhiqizwa ukugoba).Ngokwenza ukugoba okumbalwa okumise okuka-V ngokulandelana, ukugoba kwe-Joggle kungakhiqiza amajika afana namajika.
4Isibonelelo Sokugoba Ishidi kanye Namasu wokubala
1) I-Sheet Metal Ukugoba Isibonelelo
Uma ishidi lensimbi ligobile, ingaphandle lokugoba liyanwetshwa ngakho-ke ubukhulu balo buyashintsha.Lokhu kusho, isibonelo, ukuthi ubude obuphelele bemilenze emibili ye-V-bend buzoba bude kunobude bokuqala beshidi.
Ngakho-ke, uma ubukhulu bushintsha, siyiklama kanjani ngokunembile ingxenye ukuze siqinisekise ukuthi ilingana nezinye izingxenye?Sinquma kanjani ukuthi ishidi lensimbi eliyisicaba kufanele libe lide kangakanani?Ukunxephezela ushintsho lwe-dimensional, kufanele sicabangele imvume yokugoba: umehluko phakathi kobude bepuleti elivuliwe kanye nesamba sobude bomlenze ngamunye wengxenye egobile eqediwe.
2) Ifomula yokubala yeshidi elembulekayo
Isibonelelo sokugoba.Ishidi lokugoba lensimbi linobukhulu obuthathu: izilinganiso ezimbili zekhontunu kanye nobukhulu obubodwa bokujiya, futhi ubukhulu bekhontayutha obubili buchazwa ngokuthi L1 kanye ne-L2, futhi ubukhulu bokujiya buthi T. L1+L2 buzoba bukhulu kunobude obungasombululiwe L. umehluko phakathi kwawo isibonelelo sokugoba, esichazwa ngokuthi K. Bese ububanzi obuvuliwe bokugoba L=L1+L2-K.Inani elingu-K lepuleti lensimbi eligoqiwe elijwayelekile elibandayo (isimo: ukugoba okungu-90 degree, ithuluzi elijwayelekile lokugoba)
T=1.0 K=1.8
T=1.2 K=2.1
T=1.5 K=2.5
T=2.0 K=3.5
T=2.5 K=4.3
T=3.0 K=5.0
T=3.5 K=6.05
T=4.5 K=7.0
T=5.0 K=8.5
Isibonelo 1
Isibonelo sesi-2
Isibonelo sesi-3
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Isikhathi sokuthumela: Mar-24-2022