Nɛgɛ inox kuruli bɛ gɛlɛya kɛrɛnkɛrɛnnenw lase a ma minnu b’a danfara ka bɔ baara kɛli la ni nɛgɛ nɔgɔlen walima aliminiyɔmu ye. O fɛn in ka sɛgɛn fanga ka bon, a ka springback cogoya jiralenw, ani a ka teli ka baara gɛlɛya, o bɛ fɛɛrɛ kɛrɛnkɛrɛnnenw ni labɛnni ɲuman de wajibiya walasa ka baarakɛlaw ka ɲɛtaa sɔrɔ.
Nin gafe in bɛ sariyakolow, fɛɛrɛw ani wale ɲumanw sɛgɛsɛgɛ minnu nafa ka bon walasa ka nɛgɛdaga sɔgɔlenw kuru ka ɲɛ baarakɛcogo suguya caman na ani u janya hakɛw la.
Faamuyali min bɛ kɛ ni nɛgɛ ye min bɛ kɛ ni nɛgɛ ye min tɛ sɔgɔ
Fɛn min bɛ nɛgɛ inox kɛ danfara ye
Kɔrɔmu 10,5% bɛ sɔrɔ nɛgɛ min tɛ sɔgɔ, a dɔgɔyalenba la, o bɛ kɛ sababu ye ka ɔkisizɛni lakanani kɛ min bɛ sɔgɔli kɛcogo ɲuman di. O sɔgɔli kɛcogo fana bɛ dɔ fara fɛn in fanga n’a gɛlɛya kan ni i y’a suma ni nɛgɛ ye min bɛ kɛ ni karɔbɔli ye, o b’a to a kɔrɔta ka gɛlɛn.
Grade minnu bɛ kɛ ka caya nɛgɛdaga kurulen na, olu ye:
304 Inox : A bɛ ductility ɲuman di ani springback moderate, o b’a to a bɛnnen don fɛn dilanni baara bɛɛ ma
316 Nɛgɛ min tɛ sɔgɔ : Molibdɛni bɛ a la walasa ka sɔgɔsɔgɔninjɛ kunbɛn ka ɲɛ nka a bɛ kɔrɔta fanga caman de wajibiya ka da fanga bonya kan
430 Inox : Feriti grade min sɔngɔ ka nɔgɔn nka a tɛ ductile ka tɛmɛ austenitic grade kan
Jateminɛ minnu bɛ kɛ ka ɲɛsin girinya ni jateminɛ kɛcogo ma
Fɛn minnu ka bon, olu bɛ nɔ bila kurukuruni gɛlɛya ni fɛɛrɛ sugandili la k’a ɲɛsin a yɛrɛ ma:
Fɛn finmanw (20-22 gauge, 0,8-0,9mm): A bɛnnen don bololabaarakɛlaw ka kɔrɔta ma ni baarakɛminɛn jɔnjɔnw ye
A janya cɛmancɛ (16-18 gauge, 1,2-1,6mm): A ka ca a la, a bɛ funteni dɛmɛni walima jiminɛnw de wajibiya
Fɛɛrɛ belebelebaw (14 gauge ani ka tɛmɛ o kan, 2mm+): A bɛ frein de presse hydraulique ni baarakɛminɛn kɛrɛnkɛrɛnnenw de wajibiya
Nin fɛnw cogoyaw faamuyali b’aw dɛmɛ ka nɛgɛdaga kurucogo bɛnnenw sugandi aw ka porozɛ kama.
Kɔrɔlen sariyakolo jɔnjɔnw ka ɲɛsin nɛgɛ inox ma
Bend Radius wajibiyalenw
A ka c’a la, nɛgɛ min tɛ sɔgɔ, o kuruli hakɛ fitinin bɛ daminɛ 1x na ka se 3x ma, ka kɛɲɛ ni a hakɛ ni a janya ye. Ni aw bɛ baara kɛ ni radiyali ye min sirilen don kojugu, o bɛ se ka kɛ sababu ye ka:
Surface cracking ka kɛɲɛ ni bend line ye
Springback ka tɛmɛn a dan kan
Baara gɛlɛya min bɛ kɛ sababu ye ka kɔrɔsili nataw gɛlɛya
K-Factor ni Bend Allowance jatebɔw
Jateminɛ tigitigiw bɛ kɛ ka ɲɛsin fɛnw janya ma ani u hakɛ bɛnnen don. Formula standard ye:
BA = (π/180) × B × (IR + K × MT) Bamako, Mali.
Min:
BA = Bend ka bolomafara
B = Kɔrɔta kùnkolo degerew la
IR = Kɔnɔna radiyali
K = K-factor (a ka c’a la, 0,33 ye nɛgɛ inox ye) .
MT = Fɛnɲɛnɛmaw ka bonya
Walasa ka 90 degere kurulen kɛ 3mm janya la 304 nɛgɛ inox ni 3mm kɔnɔna janya ye:
BA = (π/180) × 90 × (3,0 + 0,33 × 3,0) = 6,91mm
Springback nɔfɛkow ɲɛnabɔli
Nɛgɛ min tɛ sɔgɔ, o bɛ springback jira kosɛbɛ ka tɛmɛ nɛgɛ carbone kan k’a sababu kɛ a ka fɛnɲɛnamafagalanw ye. Springback cogoya bɛ Taa degere 1-3 la, o bɛ a ɲini ka kɔrɔta kojugu walasa ka se ka kɛrɛ laban ɲininen sɔrɔ. Bi CNC sheet metal bending minɛnw kɔnɔ, otomatiki springback musaka kɛcogo dɔw bɛ yen.
Fɛɛrɛ minnu bɛ kɛ ka nɛgɛ inox kuru
Bolo kɔrɔtalen don fɛn finmanw kama
Bolo kɔrɔta bɛ baara kɛ ka ɲɛ sɛbɛnw na minnu janya bɛ se 20 gauge (0,9mm) ma. O fɛɛrɛ in bɛ a ɲini:
Baarakɛminɛn nafamaw:
Frein bending walima jiri jig barikama
Lastikuw malɛti
Lakanali padding walasa ka sɔgɔsɔgɔninjɛ bali
Sumanikɛminɛnw walasa ka tiɲɛni kɛ
Taabolo taabolo:
Aw bɛ kurukuruni sira taamasiyɛn ka jɛya ni taamasiɲɛ ye min tɛ banbali ye
Aw bɛ sɛbɛnfura siri frein kurulen na ni kurukuru sira bɛ bɛn a da la
Aw bɛ a digi dɔɔni dɔɔni, hali ka a digi a janya bɛɛ la
Aw bɛ lastikuw kɛ ka ladilan labanw kɛ ni aw mago bɛ a la
O fɛɛrɛ in bɛ baara kɛ ka ɲɛ DIY porozɛw ni yeelen dilanni baara la nka dan bɛ a bonya ni a tiɲɛni na.
Baara kɛ ni Frein de Presse Hydraulique ye
Frein minnu bɛ presse, olu bɛ izini sariya jira, min bɛ tali kɛ nɛgɛso kɔrɔtacogo la baarakɛcogo la. O masinw ka fisa ni fɛn belebelebaw minɛcogo ye ani ka se ka kuru tigitigiw sɔrɔ minnu bɛ se ka segin-ka-bɔ.
Fiɲɛ kɔrɔtacogo:
Baarakɛminɛn bɛnnenw sugandi ka da fɛnw janya kan ani kuruli hakɛ ɲininen kan
Porogaramu masin na ka ɲɛsin fɛn suguya ni springback compensation ma
Aw bɛ sɛbɛnfura bila ni a kurulen ye min bɛ bɛn punch jukɔrɔ
Aw bɛ kurukuruni kɛ ka a sɔrɔ aw bɛ angle accuracy kɔlɔsi
Nafa minnu bɛ a la:
Tiɲɛniba ani segin-ka-bɔnye
A bɛ fɛn belebelebaw minɛ nɔgɔya la
Porogaramu bɛ se ka kɛ ka ɲɛsin benkanw sigiyɔrɔma gɛlɛnw ma
Springback musaka otomatiki
Kɔrɔtacogo minnu bɛ dɛmɛ ni funteni ye
Ni aw ye funteni kɔrɔsilen kɛ, o bɛ dɔ bɔ fɛnw fanga la waati dɔɔni, o bɛ kɛ sababu ye ka kɔrɔta nɔgɔya ani ka dɔ bɔ springback la. O fɛɛrɛ in nafa ka bon kɛrɛnkɛrɛnnenya la sɛbɛnfura belebelebaw walima radiyali kurulen sirilenw na.
Lakanali wajibiyalenw:
Funteni hakɛ laadilikanw:
Funteni kɛli ka kan ka kɛ kelen ye kurukuruni sira fɛ walasa ka degun hakɛw bali ani ka kari minnu bɛ se ka kɛ.
Roll Bending ka ɲɛsin Curves Radius belebelew ma
Kurukuruw kurukuruni masinw bɛ kurukuru nɔgɔlenw ni silinda cogoyaw dilan ni u bɛ o fɛn tɛmɛ kurukuruw fɛ minnu bɛ se ka ladilan. Nin fɛɛrɛ in bɛ baara kɛ kosɛbɛ kɛrɛnkɛrɛnnenya la:
Radius bend belebele minnu bɛ tɛmɛ presse frein seko kan
Kuru janw, minnu bɛ taa ɲɛ
Silindri yɔrɔw i n’a fɔ pibilikiw walima jidagayɔrɔw
Step Bending ka ɲɛsin cogoya gɛlɛnw ma
Senna-tɛgɛrɛ-kɔrɔbɔli ye kurukuru misɛnnin caman dabɔli ye ka tugu ɲɔgɔn na walasa ka radiyali kurubaw walima profil gɛlɛnw sɔrɔ. O fɛɛrɛ in b’a To fɛn dilannikɛlaw bɛ Se ka cogoyaw Dabɔ minnu tùn tɛ Se ka Kɛ ni tɛmɛsira kelen kɔrɔtalen ye.
Baarakɛminɛnw ni minɛn nafamaw
Bololabaarakɛminɛnw yeelen baara kama
Kɛrɛnkɛrɛnnenya la : Aw bɛ fɛnw siri u kɔrɔtatuma na
Malɛtiw : Lastikuw walima plastiki walasa a kana tiɲɛ
Sumanikɛminɛnw : Sariyaw, protracteurs, ani angle finders
Lakanali minɛnw : Ganw, lakanani lunɛtiw
Masina baarakɛminɛnw walasa ka baarakɛlaw ka jaabiw sɔrɔ
Frein bololabaarakɛlaw : A musaka ka dɔgɔ butiki misɛnninw na
Freins de presse hydraulique : Industrie standard ka ɲɛsin baara tigitigi ma
CNC press brakes : Baarakɛcogo otomatiki ni porogaramu seko ye
Masina minnu bɛ wuli : Minɛn kɛrɛnkɛrɛnnenw minnu bɛ kɛ ka baara kɛ ni kurukuruw ye
Sumanikɛlanw ni u labɛncogo baarakɛminɛnw
Sumani ni taamasiyɛn tigitigi nafa ka bon kosɛbɛ walasa ka ɲɛtaa sɔrɔ:
Calipers numériques ka ɲɛsin a bonya sɛgɛsɛgɛli ma
Nɛgɛ sariyaw ni kɛnɛw ka ɲɛsin layidu ma
Kɔnɔna sumanikɛminɛnw
Sɛbɛnnikɛminɛn minnu bɛ kɛ ka taamasiyɛn kɛ kurukuruw la
Fɛɛrɛ ɲumanw bɛ kɛ ka ɲɛsin Quality Bends ma
Fɛnw labɛncogo
Labɛnni ɲuman bɛ kɛ sababu ye ka sɔrɔ saniyalenw ni tiɲɛniw sɔrɔ:
Aw bɛ a yɔrɔ saniya walasa ka tuluw, nɔgɔw walima farikolo tangalanw bɔ
Aw bɛ tigɛli siraw taamasiyɛn ka jɛya ni taamasiyɛnminɛn bɛnnenw ye
Aw bɛ fɛnw janya lajɛ walasa ka jatebɔw sɛgɛsɛgɛ
Aw bɛ a lajɛ ni fiɲɛ dɔw bɛ yen minnu bɛ se ka nɔ bila kɔrɔtacogo ɲuman na
Baarakɛminɛnw sugandili Ladilikanw
Baarakɛminɛnw sugandi ka da ninnu kan:
Fɛnɲɛnɛmaw janya ni u suguya
Radius de bend (kurunba) ɲininen
Tiɲɛni hakɛ min wajibiyalen don
Fɛn dilanni hakɛ wajibiyalenw
Ni nɛgɛ min tɛ sɔgɔ, aw bɛ baarakɛminɛnw kɛ ni u ɲɛda furakɛli bɛnnenw ye walasa ka a bali ka sɔgɔsɔgɔ ani ka a to a ka baara ka ɲɛ.
Ka i yɛrɛ tanga Nafa minnu bɛ sɔrɔ tuma caman na
Ka faraw bali:
Aw bɛ baara kɛ ni kurukuruni hakɛ bɛnnen ye walasa ka fɛnw janya
Aw bɛ sumanw ɲɛsincogo jateminɛ ni a bɛ se ka kɛ
Aw bɛ funteni kɛ fɛnmugumugu walima fɛn gɛlɛnw na
Springback dɔgɔyali:
Aw bɛ overbend angles jate ka ɲɛ
Baara kɛ ni baarakɛminɛnw jateminɛcogo bɛnnen ye
Aw bɛ duguma kuruli jateminɛ walasa ka hakɛ kɔrɔlenw sɔrɔ
Surface Lakanali:
Aw bɛ baara kɛ ni filimuw ye minnu bɛ mɔgɔ tanga
Baarakɛminɛn ɲumanw sugandi
Aw bɛ a minɛ ka ɲɛ walasa a kana sɔgɔsɔgɔ
Baara kɛli ni Inox Grades danfaralenw ye
304 Nɛgɛ inox jogo
304 nɛgɛ min tɛ sɔgɔ, o bɛ balansi ɲuman di foroko ni fanga ma baara fanba la. A ka ɔstenitiki jɔcogo bɛ ductility ɲuman di, o b’a to a bɛnnen don bending baara gɛlɛnw ma.
Kɔrɔtacogo jateminɛw:
Springback moyenne (degere 1-2 bɛ kɛ cogoya la) .
Baara gɛlɛya hakɛ ɲuman bɛ sira di foroko baara caman ma
Surface fini maracogo ɲumanba
316 Inox ka nafaw
316 grade kɔnɔ, molibdɛni bɛ sɔrɔ walasa ka sɔgɔsɔgɔninjɛ kunbɛn, kɛrɛnkɛrɛnnenya la kɔgɔjida laminiw na. Nka, o farali bɛ dɔ fara fanga kan ani ka dɔ bɔ foroko la.
Danfaraba minnu bɛ u ni ɲɔgɔn cɛ:
Kalanso wɛrɛw ani jateminɛ kɛrɛnkɛrɛnnenw
201 Nɛgɛ min tɛ sɔgɔ : A musaka ka dɔgɔn nka a bɛ dɔ bɔ sɔgɔsɔgɔninjɛ kunbɛnni ni a dilanni na
430 Nɛgɛ min tɛ sɔgɔ : Feriti jɔcogo min bɛ ni kɔrɔtacogo tɛ kelen ye
Duplex grades : A bɛ tali kɛ kɛrɛnkɛrɛnnenya la ka da a kan a bɛ kɛ ni fasa fila ye
Gɛlɛya minnu bɛ sɔrɔ tuma caman na, olu ɲɛnabɔli
Cracking ani Splitting Kow
A sababuw:
Bend radius ka gɛlɛn kojugu walasa ka fɛnw janya
Kɔrɔta ka kɛɲɛ ni wulicogo ye
Fɛnɲɛnɛmaw labɛnni dafabaliya
Fɛn minnu bɛ se ka furakɛ:
Aw bɛ dɔ fara bend radius kan
Orient bɛ kɔrɔta ka kɛɲɛ ni suman sira ye
Aw bɛ a lajɛ ni funteni furakɛli walima a sɔgɔli ye
Dimensionnel Accuracy Gɛlɛyaw
Springback ka musakaw:
Aw bɛ overbend angles jatebɔ ka da fɛnw sɛgɛsɛgɛli kan
Aw bɛ baara kɛ ni duguma kuruli ye walasa ka hakɛ kɔrɔlenw sɔrɔ
Aw ye hakilinaw kɔlɔsili siraw waleya
Surface Quality Koɲɛw
Ka sɔgɔsɔgɔninjɛ bali:
Aw bɛ baara kɛ ni filimuw ye minnu bɛ mɔgɔ tanga
Baarakɛminɛn minnu bɛnnen don, olu sugandi
Baarakɛyɔrɔ saniyalen mara
Lakanali jateminɛw
Baara kɛli ni nɛgɛdaga ye min tɛ sɔgɔ, o bɛ a ɲini ka i janto lakana la o baara bɛɛ kɔnɔ:
Mɔgɔ yɛrɛ tangalanw:
Ganw minnu bɛ se ka tigɛ walasa ka dakun nɔgɔlenw minɛ
Lakanali lunɛtiw walasa ka mɔgɔ tanga nɛgɛw ma
Lamɛnni lakanani ni aw bɛ baara kɛ ni fanga minɛnw ye
Funteni kɔrɔtacogo lakanani:
Fiɲɛ bilali ka ɲɛ walasa ka sisi bɔ
Ganw ni fini minnu tɛ funteni kɛlɛ
Tasuma lakanani minɛnw bɛ sɔrɔ nɔgɔya la
Masina baarakɛcogo:
Kalan ɲuman kɛli minɛnw baaracogo kan
Lockout/tagout taabolo minnu bɛ kɛ ka ɲɛsin ladonni ma
Kɔrɔtɔko jɔli siraw bɛ baara kɛ ka ɲɛ
Ɲininkali minnu bɛ kɛ tuma caman na
Yala nɛgɛ inox bɛ se ka kɔrɔta ni minɛn kɛrɛnkɛrɛnnenw tɛ wa?
Ɔwɔ, nɛgɛdaga finmanw (min bɛ se mɛtɛrɛ 20 ma) bɛ se ka kɔrɔta ni bololafɛɛrɛw ye ni baarakɛminɛnw ni fɛɛrɛ bɛnnenw ye. Nka, fɛn minnu ka bon, olu bɛ ji-minɛnw de wajibiya walasa ka ɲɛtaa ɲuman sɔrɔ.
Bend radius minimum ye mun ye ka ɲɛsin inox sheet ma?
A ka c’a la, kurukuruni hakɛ fitinin bɛ daminɛ 1x na ka se 3x ma fɛn dilannenw janya la, ka kɛɲɛ ni grade ni forming method ye. Aw ye fɛnw ɲɛfɔcogo lajɛ walasa ka fɛn tigitigiw sɔrɔ.
Ne bɛ se ka kari bali cogo di ni ne bɛ nɛgɛ inox kɔrɔta?
Aw bɛ baara kɛ ni kurukuruni hakɛ bɛnnen ye, ka fɛnw suman sira jateminɛ, ka funteni kɛ ni a mago bɛ a la, ani ka baarakɛminɛnw sigicogo ɲuman lajɛ. A bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ kɛ ka yɔrɔw labɛn minnu dilannen don kosɛbɛ.
Danfara jumɛn bɛ fiɲɛ kurulen ni duguma kurulen cɛ?
Fiɲɛ kurulen bɛ baara kɛ ni danfara ye min bɛ fɛn ni die cɛ, o bɛ sira di angle ladilanni ma nka ni springback ka ca. Jiginni bɛ fɛn in wajibiya ka kɛ die cogo la, o bɛ tiɲɛni kɛcogo ɲuman di nka a tɛ se ka fɛn caman sɛgɛsɛgɛ.
Yala ne bɛ se ka nɛgɛ inox kuru so kɔnɔ ni baarakɛlaw ka masinw tɛ wa?
Fɛn finmanw kɔrɔtacogo jɔnjɔn bɛ se ka kɛ ni bololabaarakɛminɛnw ye, nka baarakɛlaw ka sɔrɔw bɛ minɛn ɲumanw de wajibiya. Aw ye jateminɛ kɛ ka baara gɛlɛnw di nɛgɛdaga baarakɛlaw ma minnu bɛ se kosɛbɛ.
Mastering Inox Feuille Metal Bending
Ka se ka nɛgɛdaga kuru ka ɲɛ, o bɛ a ɲini ka fɛn in cogoya kɛrɛnkɛrɛnnenw faamuya, ka fɛɛrɛ bɛnnenw sugandi i ka baara kɛrɛnkɛrɛnnen kama, ani ka tugu wale ɲumanw kɔ minnu sɛgɛsɛgɛra o baara bɛɛ kɔnɔ.
I mana baara kɛ DIY porozɛ nɔgɔman dɔ kan ni fɛn finmanw ye wo, walima ka izini dilanni gɛlɛnw ɲɛnabɔ wo, o kunba bɛ labɛn ɲuman na, fɛɛrɛ sugandili la, ani i janto fɛn fitininw na. Porozɛ gɛlɛnw kama minnu bɛ tali kɛ fɛn gɛlɛnw na walima muɲuli sirilenw na, jɛɲɔgɔnya kɛli ni fɛn dilannikɛla ŋanaw ye minnu bɛ ni bi CNC nɛgɛdaga kuruminɛnw ye , o bɛ kɛ sababu ye ka ɲɛtaa ɲuman sɔrɔ.
Aw bɛ a daminɛ ni porozɛ nɔgɔmanw ye walasa k’aw ka sekow yiriwa, ka wari bila baarakɛminɛn ɲumanw na minnu bɛ bɛn aw ka baara hakɛ ma, ani aw kana siga ka dɛmɛ ɲini baarakɛlaw fɛ baarakɛcogo gɛlɛnw na minnu bɛ tɛmɛ aw ka minɛnw seko kan.
