Lalacewa da magani nabututun ƙarfe da aka zana sanyishine kamar haka:
1, nadawa: ja tsarin, sanyi kõma karfe bututu ciki da waje saman sanya madaidaiciya ko karkace shugabanci na nadawa, da fitowan na gida ko dogon wucewa a kan bututu.
Dalili: saman bututu abu nade ko lebur tarkace, mai tsanani abrasions da fasa da Tube niƙa gyara a sasanninta ko al'amari rabo (H / b) bai isa ba.
Rigakafin da kuma kawar da hanya: a cikin m daidai da hanyoyin da ake bukata bututu abu nika.Ba a sanya kayan bututu mara inganci a cikin aiki matakin kariya.A mai kyau perforation zafi oda m quality.

2, girman juriya (ciki har da kauri na bango na matsananciyar talauci, kauri mara daidaituwa, diamita matsananci, m) diamita wanda ya wuce iyakar daidaitattun daidaito, a cikin sashe guda a gefen bango na bakin ciki, kauri, diamita jere daga ƙananan axis bambanci fiye da daidaitattun bukatun.
Sanadin: 1, na zana mold selection ba kawai, ko Rui sanda (na ciki model) da ba daidai ba gyara.2 daftarin aiki a cikin ƙirar ƙira da ƙera rashin hankali ko sawa mara kyau ko taurin kai don haifar da lalacewa.3, maganin zafi na tsawon lokaci da yawan zafin jiki.Rashin daidaituwa ko aikin maganin zafi.4, Canje-canje a cikin dokar bango fanko ja da kyau da sarrafawa, ja shirye-shiryen shafin mara hankali.5, sanyi zana karfe bututu mike squashed job cards gage ba sifili, manyan kurakurai.
Hanyoyi na rigakafi da kawarwa: 1, daidaitaccen ƙira da masana'anta da ƙwanƙwasa extubation na zaɓi.2, daidai aiwatar da tsarin kula da zafi, dumama uniform.3, Daidai daidaita matakin, sau da yawa proofreading extubation sassa na inji da kayan aikin aunawa.4, daidai da m shiri ja agogon master iri daban-daban na karfe, dokar karuwa ko rage daban-daban bayani dalla-dalla na karfe bututu bango.5, ovality babu grid, an yi hukunci a matsayin samfuran ƙwararrun, ovality daga layi na iya sake daidaitawa, sake fasalin ovaity na gida.

3, shirin yana gabatar da: bututun ƙarfe mai sanyi wanda aka zana saman saman layin madaidaiciya mai tsayi da ake kira Zoned Road.Yankin yanki mai tsayi daban-daban, sa kunkuntar kewayo, rami mai yawa kamar rami mai gani.
Dalilan: 1, teburin daftarin ba shi da santsi, tsaga ko kulli.2, gefuna da sasanninta na canjin hammerhead, sa kayan aiki.3, Bashin pickling ko capillary residual oxide sikelin.4, greasing, phosphating, saponification tsari aiki yadda ya kamata.5, ciki da wajen gyaggyarawa, lalacewa ko sawa mara kyau.6, matsakaita annealing bai dace ba, adadin nakasar bai isa ba.
Rigakafin da hanyar kawarwa: 1, inganta ingancin extubation mold surface.2, Oxide pickling, kurkura, uniform m shafi.3, Canjin guduma a sashi zuwa sasanninta mai zagaye.4, Binciken ƙasa na mold da farfajiyar bututun ƙarfe, gano matsalolin da jiyya na lokaci.

4, girgiza juna: sanyi zana karfe bututu surface tare da tsawon shi ne spiky zobe kalaman ko kalaman-ta wannan tsari, gida ko dogo izinin bayyana a saman karfen bututu ciki da waje.
Abubuwan da ke haifar da: 1, rashin daidaituwa bayan jiyya na zafi, ƙarancin lubrication, saponification rashin daidaituwa.2, Rui bakin ciki sanda, Rui lever ja tsarin samar da nakasar roba lalacewa ta hanyar jitter.3, da daftarin siffar m ƙofar mazugi kwana ma, sabõda haka, da karfe mutu rami lamba yanki ne ma kananan, sabõda haka, da daftarin tsarin nakasawa m surface jitter.
Hanyar rigakafi da kawarwa: 1, hanyoyin sarrafawa da ake buƙata don cimma aikin yunifofi mai laushi.2, ɗauki kyakkyawan ingancin pickling, phosphating, saponification.Ƙayyadadden zanen sleet.3, daidai zaɓi na girman sandan Rui.

5, jan concave: karfe bututu a tsaye shugabanci, bango ya tsiri ciki ciki, tsawonsa ba dokoki.
Abubuwan da ke haddasawa: 1, ba zanen sandar pistil ba (Stubbs mara kyau) bututun ƙarfe na bakin ciki, yana rage wuce gona da iri.2, karshen karfe bututu guduma gefuna da sasanninta, da mika mulki part folds.3, bangon bakin ciki na gida na kayan bututu (kamar wurin gyaran niƙa).
Rarraba ma'ana ta adadin raguwa zuwa hanyar rigakafi da kawarwa: 1, fanko ja bututu mai bakin bakin ciki.2, hammerhead karshen gefuna da folds.3, wani ɓangare na lahani na saman kayan bututu, tsaftacewa, yanayin yanayin ya kamata ya zama m.

6, Cracking (diastema): bututun ƙarfe da aka zana sanyi wanda aka gabatar yana ratsa bangon tsagawar tsayin tsayi, ta hanyar fashewar wuri mai tsayi.
Abubuwan da ke haifarwa: 1, matsa lamba mai yawa, har ma da ja da wuce haddi da yawa, aikin kayan bututu yana taurare mai tsanani, musamman stubbs.2, Mara kyau zafi magani, surface bututu abu filastik sanya daban-daban to reactive aiki hardening ba duka kawar.3, karfe tube zane zafi magani a dace hanya.4, ƙananan ƙarfe na filastik sun fi sauƙi ga fashe.
Hanyar rigakafi da kawarwa: 1, ingantaccen shiri don ja da shafi.2, gami karfe tube da ja ko da ja karfe bututu zuwa zafi magani a kan dace hanya.3, zafi magani bisa ga tsari bukatun, da sanyaya kudi ya zama m iko, ta yi ko da kawar da hardening aiki.

7, too pickling: sanyin bututun ƙarfe da aka zana yana sanya ramin kamar fashe mai sifar sesame, tsananin daban-daban na waje gaba ɗaya mai tsanani fiye da na ciki.
Sanadin: 1, karfe bututu surface oxide kauri m, sako-sako da kuma da tabbaci.2, lokacin tsinke ya yi tsayi da yawa.3, pickling maida hankali ne low, wani babban abun ciki na ferrous sulfate a yanayin saukan high pickling zafin jiki sauki kafin pickling.4, Acid maida hankali ne m, da bayani ba ya gudana, lalata m.
Rigakafi da Kawarwa: 1, don aiwatar da aikin fasaha na pickling yadda ya kamata.2, zafi magani ayyuka, don hana m kauri na karfe bututu surface oxide sikelin.Ainihin aiwatar da kallon wankin mai rataye, duban ƙasa, don hana tsinkewa fiye da kima.

8, Tushen bututun ƙarfe da aka zana sanyi zuwa wani yanki mai kyau-dige-kamar ramuka, rami: (Ma saman ramukan) ɓarna ko ci gaba akan saman ƙarfe.
Dalilan: 1, maganin zafi ya sa fatar ƙarfe ta yi kauri sosai, ana matse shi cikin daidaita bawon fatar ƙarfe da rami.2, bayan pickling ragowar oxide sikelin ko saponification ruwa datti, pitting ja.3, tsinken bututu, fakin doguwar tsatsa ta haifar da wata alama da fuska.4, da bututu surface mai, zafi magani coalesce cikin mai batu kora dumama pockmarked fuska.
Rigakafin da kawar da hanyar: 1, daidaitaccen aiwatar da tsarin wutar lantarki mai zafi da aka shigar.2, riko da saurin juyawa.3, pickling a wanke, kada a bi bashin zanen wankan da ya dace bayan tsintar.

9, Zane Fracture: Zane yana haifar da sauti masu ban mamaki, rashin tasirin lubrication, mold Rui nap iri tube zane na inji yana ƙaruwa, ƙananan yawan amfanin ƙasa.
Dalilai: 1, kafin hanya ba ta bi ka'idoji ba, matsaloli akan wasu al'amura, kamar pickling carbonization (hydrogen embrittlement), wanda sanyi ya zana bututun zanen karfe.2, phosphating ba har zuwa miƙa mulki (ma tsohon) ya sa phosphate shafi kashe zanen da ba a gama saponification manufar, wanda samar sanyi kõma m sautuna kullum.3, zafin jiki na saponification ya yi ƙasa da ƙasa ko kuma ya yi yawa, ƙaddamarwa bai isa ba, ƙarancin adadin saponified adsorption ko sabulu ya kasance asarar acidified na tasirin mai.4, phosphating yana haifar da mold Rui da lalacewar bangon bututu, zane yana ƙaruwa.
Hanyoyi na rigakafi da kawar da su: 1, hanya mai tsauri, don sarrafa tattara tattarawa, zafin jiki, lokaci, wanke ruwa, canza ruwa.2, dubawa na yau da kullun na maganin phosphating na jimlar acidity, acidity na kyauta, samuwar isasshen adadin fim ɗin phosphate.3, sarrafa zafin saponification, maida hankali, kiyaye tsagi Sabulu mai tsabta.