Spot tallace-tallace na madaidaicin bututu masu haske
Cold birgima sumul bututu (GB3639-2000) wani sanyi ja ko sanyi birgima daidaici sumul karfe bututu tare da babban girma daidaito da kuma mai kyau surface gama ga inji tsarin da na'ura mai aiki da karfin ruwa kayan aiki. Bugu da ƙari, bututun ƙarfe na gabaɗaya, ƙananan matsa lamba tukunyar jirgi na ƙarfe, bututu mai ƙarfi mai ƙarfi, bututun ƙarfe, bututun bakin karfe, bututun fatattakar man fetur da sauran bututun ƙarfe, bututun sanyi (jawo) mara nauyi kuma ya haɗa da bututun bakin ciki na carbon. bututun karfe, bututun karfe mai bakin ciki mai katanga, bututun bakin karfe mai katanga da bututun karfe na musamman. A waje diamita na zafi-birgima sumul bututu ne kullum mafi girma fiye da 32mm da bango kauri ne 2.5-75mm. Diamita na bututun ƙarfe mara nauyi na sanyi-birgima na iya zama har zuwa 6mm kuma kauri na bango na iya zama har zuwa 0.25mm. Diamita na waje na bututu mai bango na iya zama har zuwa 5mm kuma kaurin bangon bai wuce 0.25mm ba. Mirgina sanyi yana da daidaito mafi girma fiye da mirgina mai zafi.
1.Ƙarfin da aka yi da sanyi yana ba da damar ƙaddamar da yanki na yanki, wanda zai iya yin cikakken amfani da ƙarfin hali na memba bayan buckling; Sashin da aka yi birgima mai zafi ba ya ƙyale buckling na gida.
2.Abubuwan da ke haifar da raguwar damuwa a cikin ɓangaren ƙarfe mai zafi da ƙarfe na sanyi sun bambanta, don haka rarraba akan sashin kuma ya bambanta sosai. Rarraba danniya na raguwa a kan sashin karfe mai sanyi-kafaffen bakin ciki mai bangon karfe yana lankwasawa nau'in, yayin da ragowar damuwa akan sashin karfe mai birgima ko welded karfe shine nau'in fim na bakin ciki.
3. Ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan sassa na ƙarfe mai zafi ya fi girma fiye da na karfe mai sanyi, don haka juriya na juriya na karfe mai zafi yana da kyau fiye da na karfe mai sanyi.
Cold rolling yana nufin sarrafa farantin karfe ko tsiri cikin nau'ikan karfe daban-daban a yanayin zafin daki ta hanyar zane mai sanyi, lankwasa sanyi, zane mai sanyi da sauran sarrafa sanyi.
Amfani:saurin samar da sauri, babban fitarwa, babu lalacewa ga sutura, kuma ana iya sanya shi cikin nau'ikan nau'ikan nau'ikan giciye don saduwa da bukatun yanayin sabis; Juyawa sanyi na iya haifar da nakasar filastik mai girma na karfe, don haɓaka ƙimar ƙarfe.
Rashin hasara:1. Ko da yake babu zafi filastik matsawa a cikin kafa tsari, har yanzu akwai sauran danniya a cikin sashe, wanda ba makawa zai shafi gaba ɗaya da na gida buckling halaye na karfe; 2. Salon sanyi mai birgima sashin karfe yana buɗe sashin gabaɗaya, don haka ƙarancin torsional na sashin yana da ƙasa. Torsion yana da sauƙin faruwa a cikin lanƙwasa, lanƙwasawa da ƙwanƙwasa ƙwanƙwasa yana da sauƙin faruwa a cikin matsawa, kuma aikin torsional ba shi da kyau; 3. Kaurin bango na sanyi mai birgima da aka kafa yana da ƙanƙanta, kuma babu wani abu mai kauri a kusurwar haɗin farantin, don haka ikon ɗaukar kaya mai mahimmanci na gida yana da rauni.
Idan aka kwatanta da bututu mara nauyi mai sanyi, ana jujjuya bututu mai zafi a ƙasa da zafin jiki na recrystallization, kuma ana jujjuya bututu mai zafi sama da zafin sake sakewa.
Amfani:zai iya lalata tsarin simintin simintin gyare-gyare na ingot, tsaftace ƙwayar karfe da kuma kawar da lahani na microstructure, don sa karfen ya zama cikakke kuma ya inganta kayan aikin injiniya. Wannan haɓakawa yana nunawa a cikin jujjuyawar, don haka karfe ya daina isotropic zuwa wani matsayi; Kumfa, fasa da sako-sako da aka samu yayin zubarwa kuma ana iya walda su a ƙarƙashin aikin babban zafin jiki da matsa lamba.
Rashin hasara:1. Bayan zafi mai zafi, abubuwan da ba na ƙarfe ba (mafi yawan sulfide, oxide da silicate) a cikin karfe an danna su a cikin zanen gado na bakin ciki, wanda ya haifar da ƙaddamarwa (interlayer). 2. Delamination ƙwarai deteriorates da tensile Properties na karfe tare da kauri shugabanci, da interlayer hawaye na iya faruwa a lokacin da weld shrins. Nau'in gida da ke haifar da raguwar walda yakan kai sau da yawa na nau'in ma'aunin abin da ake samu, wanda ya fi girma fiye da abin da kaya ke haifarwa; 2. Rage damuwa da ke haifar da rashin daidaituwa. Damuwa na saura shine damuwa na daidaita kai na ciki ba tare da karfi na waje ba. Sassan birgima masu zafi na sassa daban-daban suna da irin wannan saura damuwa. Gabaɗaya, girman girman sashin sashin karfe, mafi girman ragowar damuwa. Kodayake saura danniya yana daidaita kansa, har yanzu yana da wani tasiri akan aikin membobin ƙarfe a ƙarƙashin ƙarfin waje. Misali, yana iya yin illa ga nakasu, kwanciyar hankali da juriyar gajiya. 3. Kauri da nisa na gefe na samfuran ƙarfe masu zafi ba su da sauƙin sarrafawa. Mun saba da haɓakar thermal da ƙanƙantar sanyi. Ko da tsayi da kauri sun hadu da ma'auni a farkon zafi mai zafi, za a sami wani bambanci mara kyau bayan sanyaya. Mafi girman faɗin gefen wannan bambancin mara kyau shine, mafi girman kauri, mafi bayyananne. Sabili da haka, don babban karfe, girman gefen, kauri, tsayi, kusurwa da layin gefen karfe ba za a iya buƙatar zama daidai ba.
(1) Gabaɗaya tsarin bututu maras nauyi don tsarin injiniya (GB / t8162-87) (2) bututu mara nauyi don ƙaramin tukunyar jirgi mara ƙarfi da matsakaici (GB / t3087-1999) (3) bututu mara nauyi don babban matsin tukunyar jirgi st45.8/111 ( GB / t5310-85) (4) bututu maras kyau don watsa ruwa (GB / t8163-1999) (5) sanyi ja ko sanyi birgima daidaitaccen bututu (GB / t3639-83) (6) bututun ƙarfe don hakowa na ƙasa (yb235- 70) (7) bututu mai hako man fetur (yb528-65) (8) ）Bututu maras kyau don daidaitaccen diamita na ciki na ganga na hydraulic cylinder (GB8713-88) (9) bututu maras kyau don takin sinadari (gb6479-86) (10) marine bututu (gb5312-85) (11) bututu mai fasa man fetur (gb9948-88) (12) bututun gami daban-daban 16Mn 27SiMn 15CrMo, 35CrMo 12CrMoV 20g 40Cr
