ProLeanHub. Kiyasta lokacin karantawa: Minti 5, daƙiƙa 17
Menene lankwasawa karfen takarda?
Kayan Aikin Lankwasa Sheet Metal
Nau'in Lankwasawa Karfe
Sheet Metal Lankwasawa Allowance da Ƙididdigar Dabarun
1 Menene lankwasa ƙarfe?
Lankwasawa wani nau'i ne na nakasawa kuma yana ɗaya daga cikin manyan matakai guda uku a cikin masana'antar takarda;sauran biyun kuma suna yanka suna shiga.Tsarin lanƙwasa ƙarfen takarda shine tsarin siffanta ƙarfen takarda zuwa girma uku ta amfani da kayan aiki na matsa lamba da kuma mutuwa ta musamman.Saboda daban-daban abu, kauri, tsawo da nisa daga cikin takardar karfe da kuma daban-daban siffofi da kuma kusurwoyi na forming, da ton da kuma girma na matsa lamba kayan aiki lankwasawa inji ne daban-daban, kazalika da tsawo, siffar da V-. Girman girman babba da na ƙasa ya mutu, kuma sifofin mutuwarsu na musamman sun bambanta.Yawancin lokaci ana amfani da su don juya sassan ƙarfe na lebur zuwa nau'ikan V, masu siffa U ko ramummuka.
2 Kayan aikin lankwasa takarda
Mafi mahimmancin kayan aikin lankwasa takarda shine birki, wanda ya zo ta hanyoyi daban-daban.
- A gable birkina'ura ce mai sauƙi mai lankwasawa - kuma mafi yawan amfani da birki a masana'anta - wanda ke manne takardar karfe zuwa saman fili sannan kuma yana amfani da karfi ta hanyar motsi na lankwasawa mai motsi don yin lanƙwasa madaidaiciya ko creases mai sauƙi.
- Injin lankwasawawani nau'in injin lankwasawa ne wanda ke amfani da naushi mai motsi da mutuwa daidai.A cikin wannan tsari, ana sanya karfen takarda akan mutun kuma ana tilasta naushin ya shiga cikin karfen, a tilasta shi a cikin mutuwar.Dangane da siffar mutu, ana iya amfani da injin lanƙwasa don ƙirƙirar V-bends, U-bends da sauran siffofi.
- Akwatin birki(wanda kuma aka sani da birkin yatsan hannu) wani nau'in na'ura ne na lankwasawa da ke amfani da jeri na "yatsu" na karfe don yin lankwasawa da yawa na al'ada.Kamar yadda sunan ke nunawa, ana amfani da birki na akwati don yin kwalaye masu girman gaske.
- Injin nadawa mashayakaramar na'ura ce mai lankwasawa mai sauki tare da rike da takardan karfe da lankwasa shi a motsi guda.
Nau'o'in Rubutun Ƙarfe 3 Lankwasawa
Akwai nau'o'in nau'i daban-daban na lankwasawa da aka yi amfani da su don cimma nau'i daban-daban ta hanyoyi daban-daban.Uku daga cikin waɗannan hanyoyin lankwasawa (iska lankwasawa, kasa da kuma coining) Hanyoyin lankwasa karfen takarda iri ɗaya ne ta yadda burinsu na ƙarshe shine su canza tsarin karfen takarda zuwa sigar da ake so.Duk da haka, sun bambanta a cikin aikin su.Fahimtar yadda ake lanƙwasa ƙarfen takarda yana buƙatar fahimtar abubuwa kamar kaurin abu, girman lanƙwasawa, radius ɗin lankwasa ƙarfe da nufin amfani waɗanda ke ƙayyade hanyar.
1) Lankwasa iska
Lankwasawa iska hanya ce ta lankwasawa wacce naushin ya danna karfen jikin mutun, amma bai yi nisa ba har ya taba bangon mutun.
Wannan hanya ba daidai ba ce kamar sauran, amma tana da sauƙi: ana iya amfani da ita don yin V, U da sauran siffofi na lanƙwasa.Wannan wani bangare ne saboda ma'aunin lissafi mai mutuƙar ba ya buƙatar yin daidai da lanƙwasa ƙarfen da ake so, tunda babu lamba tsakanin saman biyun.
2) Qasa
Bottoming wata hanya ce ta lanƙwasawa.A lokacin da ake lanƙwasa, naushin yana danna ƙarfen takarda gaba ɗaya a cikin mutu, yana ƙirƙirar lanƙwasa wanda yayi daidai da lissafi a cikin mutu.Ana amfani da shi don yin lanƙwasa mai siffar V.
3) Tsabar kudi
Coining shine nau'in lanƙwasawa mafi tsada wanda aka saukar da naushi tare da ƙarfi mafi girma a cikin takarda da kuma mutu, yana haifar da nakasu na dindindin tare da ɗan bazara.
4) Nadewa
Ana iya yin nadawa akan injuna irin su birki na gable ko injunan naɗewar sanda.Ƙarfin takardar yana manne a wuri kafin a ɗaga katako mai ɗaure don lankwasa ƙarfen a kusa da bayanin martaba.Nadawa yana samun lanƙwasa mai siffar V kuma yana ba da damar madaidaitan kusurwoyi masu kyau ko mara kyau.
5) Shafa
Shafa (ko lankwasawa ko goge-goge) wata hanyar lankwasawa ce da ake amfani da ita ga injina irin su birki da injin nadawa karfe (a wasu lokuta injinan lankwasa).Yana da sauri fiye da nadawa, amma zai iya haifar da ƙarin lalacewa ga saman takarda.
6) Rotary Lankwasawa
Saboda injinan da aka yi amfani da su, lankwasa nadi mai yiwuwa shine tsarin lankwasa ƙarfe na musamman.Na'urar lankwasa nadi yana da rollers uku na silinda waɗanda ke lanƙwasa ƙarfen takarda zuwa siffa mai lanƙwasa, don haka ana iya amfani da shi don yin bututu, bututu da sauran sassa zagaye.
7) Juggle Lankwasawa
Juggle lankwasawa (wani lokaci ana kiran dimple lankwasawa) wata hanya ce ta lankwasawa ta amfani da injin lankwasawa wanda ya kai kusan lankwasawa mai santsi (kamar wanda ake samarwa ta hanyar lanƙwasawa).Ta hanyar yin ƙananan lanƙwasa masu siffar V da yawa a jere, lankwasawa Joggle na iya samar da lanƙwasa masu kama da lanƙwasa.
4Sheet Metal Lankwasawa Allowance da Ƙididdigar Dabarun
1) Ƙarfe Lankwasawa Allowance
Lokacin da takardar ƙarfe ta lanƙwasa, waje na lanƙwasa yana shimfiɗa kuma saboda haka girmansa ya canza.Wannan yana nufin, alal misali, jimlar tsayin ƙafafu biyu na V-lanƙwasa zai zama tsayi fiye da ainihin tsawon takardar.
Don haka, idan girman ya canza, ta yaya za mu tsara sashe daidai don tabbatar da cewa ya dace tare da sauran abubuwan?Ta yaya za mu yanke shawarar tsawon lokacin da takarda na karfe dole ne ya kasance?Don ramawa ga canjin ƙima, dole ne mu yi la'akari da izinin lanƙwasawa: bambanci tsakanin tsayin farantin da aka buɗe da jimlar tsayin kowane ƙafa na ɓangaren da aka gama.
2) dabarar lissafi na buɗe ƙarfe na takarda
Lankwasawa alawus.Lanƙwasa da aka kafa yana da girma uku: girman kwane-kwane guda biyu da kauri ɗaya, kuma an ayyana ma'aunin kwane-kwane a matsayin L1 da L2, kuma girman kauri shine T. L1 + L2 zai zama mafi girma fiye da tsayin da aka buɗe L. The Bambance-bambancen da ke tsakaninsu shine alawus na lankwasawa, wanda aka siffanta shi da K. Sannan girman da ba a kwance na lankwasa L=L1+L2-K.Ƙimar K na farantin karfe na birgima na sanyi (sharadi: lanƙwasa digiri 90, daidaitaccen kayan aikin lankwasawa)
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
Misali 1
Misali 2
Misali 3
Karfe lankwasawa ta amfani da PROLEAN'TECHNOLOGY.
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Lokacin aikawa: Maris 24-2022