ProLeanHub. Ixesha lokufunda eliqikelelweyo: imizuzu emi-5, imizuzwana eyi-17
Yintoni ukugoba kwentsimbi?
Ishiti Metal ukugoba Isixhobo
Iintlobo zokugoba iPhepha leMetal
Iphepha leMetal lokugoba Isibonelelo kunye neendlela zokubala
1 Yintoni ukugoba kwentsimbi?
Ukugoba luhlobo lwe-deformation kwaye yenye yeenkqubo ezintathu eziphambili ekwenzeni i-sheet metal;abanye ababini bayasika kwaye bayadibanisa.Inkqubo yokugoba i-sheet metal yinkqubo yokwenza i-sheet sheet ibe yimilinganiselo emithathu usebenzisa izixhobo zoxinzelelo kunye nokufa okukhethekileyo.Ngenxa izinto ezahlukeneyo, ubukhulu, ubude kunye nobubanzi sheet metal kwakunye iimilo ezahlukeneyo kunye neeengile ukubunjwa, iitoni kunye nobukhulu besixhobo ukugoba izixhobo zoxinzelelo ezahlukeneyo, kwakunye ukuphakama, imilo kunye V-. Ubungakanani be-amplitude ephezulu nasezantsi iyafa, kwaye iimilo zabo ezikhethekileyo zokufa zahlukile.Ngokuqhelekileyo isetyenziselwa ukujika iinxalenye zentsimbi ezisicaba zibe ngu-V, ezimilise u-U okanye zifakwe.
2 Ishiti lesixhobo sokugoba isinyithi
Esona sixhobo sibalulekileyo sokugoba sentsimbi sisiqhoboshi, esiza ngeendlela ezininzi ezahlukeneyo.
- A isiqhoboshi se gablengumatshini wokugoba olula - kunye neyona nto isetyenziswa kakhulu kwi-brake kwimveliso - ebamba i-sheet yentsimbi kwindawo ethe tyaba ize isebenzise amandla ngokushukuma kwencakuba yokugoba eshukumayo ukwenza ukugoba okuthe tye okanye ukugoba okulula.
- Umatshini wokugobaluhlobo lomatshini wokugoba osebenzisa ipunch ehambayo kunye nokufa okuhambelanayo.Kule nkqubo, i-sheet sheet ifakwe kwi-die kwaye i-punch iphoqeleka ukuba ihambe kwintsimbi, iphoqelele kwi-die.Ngokuxhomekeke kwimilo yokufa, oomatshini bokugoba bangasetyenziselwa ukwenza i-V-bends, i-U-bends kunye nezinye iimilo.
- Iziqhoboshi zebhokisi(ekwaziwa ngokuba ziziqhoboshi zeminwe) lolunye uhlobo lomatshini wokugoba osebenzisa umqolo wentsimbi "iminwe" ukwenza ukugoba okuninzi.Njengoko igama lisitsho, iziqhoboshi zebhokisi zihlala zisetyenziselwa ukwenza iibhokisi ezinobungakanani obuqhelekileyo.
- Umatshini wokusonga ibhangumatshini wokugoba omncinci nolula onesiphatho esibamba ishidi lentsimbi kwaye ligobe ngentshukumo enye.
Iindidi ezi-3 zokugoba iPhepha leMetal
Kukho iintlobo ezahlukeneyo zokugoba ishidi lentsimbi esetyenziselwa ukufezekisa ukugoba okuhlukeneyo ngeendlela ezahlukeneyo.Ezintathu kwezi ndlela zokugoba (ukugoba komoya, ukugoba kunye ne-coining) Iindlela zokugoba i-sheet metal zifana nokuba injongo yazo yokugqibela kukuguqula isakhiwo se-sheet metal kwifom efunwayo.Nangona kunjalo, ziyahluka ekusebenzeni kwazo.Ukuqonda indlela yokugoba icwecwe lesinyithi kufuna ukuqonda izinto ezinje ngokutyeba kwezinto, imilinganiselo yokugoba, iradiyasi yentsimbi yokugoba kunye nokusetyenziswa okujoliswe kuko okumisela indlela.
1) Ukugoba komoya
Ukugoba komoya yindlela yokugoba apho i-punch icinezela i-sheet metal kwidiyiti, kodwa ingekude kangangokuba ichukumise iindonga zediyizi.
Le ndlela ayichanekanga njengabanye, kodwa iguquguquka kakhulu: ingasetyenziselwa ukwenza i-V, i-U kunye nezinye iimilo zokugoba.Oku kungenxa yokuba i-geometry yokufa ayifuni ukuhambelana ngokuthe ngqo kwi-bend yentsimbi efunekayo, kuba akukho mdibaniselwano phakathi kwemiphezulu emibini.
2) Ukuthoba
Ukuthoba ngenye indlela yokugoba ukugoba.Ngethuba lokungena ngaphantsi, i-punch icinezela i-sheet metal ngokupheleleyo kwi-die, idala i-bend ehambelana nejometri ngaphakathi kwi-die.Isetyenziselwa ukwenza ukugoba okumise okwe-V.
3) Imali yemali
I-Coining luhlobo olubiza kakhulu lokugoba apho i-punch ithotywa ngamandla amakhulu kwi-sheet metal kunye ne-die, ekhokelela kwi-deformation esisigxina kunye ne-springback encinci.
4) Ukusonga
Ukusonga kunokwenziwa koomatshini abafana neziqhoboshi zegable okanye oomatshini bokusonga ngentonga.Icwecwe lesinyithi libotshelelwe endaweni phambi kokuba umqadi wokugoba uphakanyiswe ukuze ugobe isinyithi kwiprofayili.Ukusonga kufezekisa i-V-shaped bend kwaye ivumela ii-angles zokugoba ezilungileyo okanye ezimbi.
5) Ukosula
Ukosula (okanye ukugoba komphetho okanye ukugoba) yenye indlela yokugoba esetyenziswa koomatshini abafana neziqhoboshi zegayibhile kunye noomatshini bokugoba bentsimbi (kwezinye iimeko oomatshini bokugoba).Iyakhawuleza kunokusonga, kodwa inokubangela umonakalo omkhulu kumphezulu wentsimbi.
6) Ukugoba okujikelezayo
Ngenxa yoomatshini abasetyenziswayo, ukugoba umqulu yeyona nkqubo ikhethekileyo yokugoba yentsimbi.Inkqubo yokugoba i-roll inee-roller ezintathu ze-cylindrical ezigoba i-sheet metal ibe yimo egobileyo, ngoko ingasetyenziselwa ukwenza imibhobho, iityhubhu kunye nezinye iindawo ezijikelezayo.
7) Joggle Ukugoba
Ukugoba i-Joggle (maxa wambi kubizwa ngokuba yi-dimple bending) yindlela yokugoba kusetyenziswa umatshini wokugoba omalunga nokugoba okugudileyo (okufana noko kuveliswa kukugoba).Ngokwenza iigophe ezininzi ezimile okwe-V ngokulandelelanayo, ukugoba kweJoggle kunokuvelisa amagophe afana namagophe.
4Iphepha leMetal lokugoba Isibonelelo kunye neendlela zokubala
1) ISibonelelo sokugoba seShiti leMetal
Xa ishidi lesinyithi ligobile, ingaphandle ye-bend yoluliwe kwaye ngoko ke imilinganiselo yayo iyatshintsha.Oku kuthetha, umzekelo, ukuba ubude obupheleleyo bemilenze emibini ye-V-bend iya kuba yinde kunobude bokuqala bephepha.
Ke, ukuba imilinganiselo iyatshintsha, siyila njani ngokuchanekileyo indawo ukuqinisekisa ukuba iyahambelana namanye amacandelo?Sithatha njani isigqibo sokuba icwecwe elisicaba lesinyithi kufuneka libe lide kangakanani?Ukuhlawulela utshintsho lwe-dimensional, kufuneka siqwalasele isibonelelo sokugoba: umehluko phakathi kobude beplate evuliwe kunye nenani lobude bomlenze ngamnye wecandelo eligobileyo eligqityiweyo.
2) Ishiti yesinyithi evula ifomula yokubala
Isibonelelo sokugoba.I-sheet metal bend edibeneyo inemilinganiselo emithathu: imilinganiselo emibini yecontour kunye nobukhulu obunye ubukhulu, kwaye imilinganiselo emibini yecontour ichazwa njenge-L1 kunye ne-L2, kwaye ubukhulu bobukhulu yi-T. Umahluko phakathi kwabo sisibonelelo sokugoba, esichazwa njenge K. Emva koko umlinganiselo ovuliweyo we-gobe L=L1+L2-K.Ixabiso le-K lepleyiti yentsimbi epholileyo ebandayo ngokubanzi (imeko: i-90 degree bend, isixhobo sokugoba esiqhelekileyo)
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
Umzekelo 1
Umzekelo 2
Umzekelo 3
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Ixesha lokuposa: Mar-24-2022