Lokacin da wani ya ambaci a Stelite bushewa, Abu na farko da sau da yawa yakan zo a zuciya shi ne kawai 'sashe mai wuyar gaske, mai jure lalacewa.' Wannan ba kuskure ba ne, amma sauƙaƙawa ne wanda zai iya haifar da kurakurai masu tsada a cikin ƙayyadaddun bayanai. Na ga ayyukan da ƙira ta yi kira ga jigon Stellite 6 bushing saboda takaddun ƙayyadaddun ya ce 'mafi kyaun juriya,' kawai don samun gall mai tsanani a cikin babban kayan aiki, aikace-aikacen juyawa mai sauƙi. Gaskiyar ita ce, Stelite ba abu ɗaya ba ne; dangin cobalt-chromium alloys ne, kuma zaɓin tsakanin, ka ce, Stellite 6, 12, ko 21 don bushing ɗinku ya dogara da ko kuna yaƙi da tsantsa mai tsafta, lalatawar ƙura, lalacewa ta ƙarfe-zuwa-ƙarfe, ko haɗuwa tare da lalata. Samun wannan ba daidai ba yana nufin gazawar da wuri, kuma na jawo rabona na ƙwanƙwasawa don tabbatar da hakan.
Zabin Kayan Ba Kawai Akwatin Dubawa ba ne
A farkon lokacin da nake hulɗa da waɗannan abubuwan, na koyi hanya mai wuyar yin oda a Stelite bushewa kamar yin odar mota ne — kuna buƙatar ƙarin cikakkun bayanai. Muna da aikace-aikacen bawul don abokin ciniki, mai sarrafa slurry tare da ƙyalli masu kyau. Gudun farko da aka yi amfani da bushings da aka yi daga daidaitaccen ma'aunin cobalt-chromium-tungsten. Sun sa, amma ba da ban mamaki ba. Matsalar ita ce mating shaft, wanda aka samu maki. Sawa ba ta yi daidai ba; yana haifar da tsari wanda ya kai ga girgiza. Rashin gazawar ba bushing ɗin ya yi kasala sosai ba; Duka aikin taron ya ɓatanci fiye da sa'o'i ɗari kaɗan. Dole ne mu koma mu dubi tsarin carbide na gami da taurin dangane da kayan shaft. Ya juya cewa muna buƙatar daraja tare da ƙarar mafi girma na carbides masu wuya ga waccan matsakaiciyar abrasive, duk da cewa jigon jigon ya kasance don abrasion.
Wannan shi ne inda aiki tare da kantin sayar da kayan aiki da kantin kayan inji wanda ya fahimci al'amuran nuance. Kamfanin kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) yana da tushen yin waɗannan tambayoyin. Tare da sama da shekaru 30 a cikin yin simintin gyare-gyare da injina, wataƙila sun ga irin wannan yanayin. Kwarewarsu da ƙirar harsashi da simintin saka hannun jari don gami na musamman yana nufin ba kawai suna zubar da ƙarfe ba; suna sarrafa microstructure wanda ke bayyana ko hakan Stelite bushewa zai yi aiki. Na tuna wata tattaunawa da ƙungiyar injiniyoyinsu sau ɗaya game da ƙimar ƙarfafawa don hadadden daji mai bangon bakin ciki da kuma yadda ya shafi rarrabawar carbide. Wannan shine matakin da zaɓin kayan aiki da gaske ke faruwa.
Wani batu da sau da yawa ba a rasa shi ne cudanya tsakanin hanyar jefawa da kaddarorin ƙarshe. Don yanki mai kauri, juzu'i mai sauƙi, simintin gyare-gyare na iya yin kyau. Amma don ƙarin juzu'i mai rikitarwa tare da kauri daban-daban na bango, kamar wanda ke da tashoshi mai haɗaɗɗiya ko flanges, daidaito daga tsarin simintin saka hannun jari na iya zama mahimmanci don guje wa raguwar porosity a wuraren da ake damuwa. Ba za ku iya kawai injin wannan aibi ba. Ƙarfin dual na QSY a cikin nau'in harsashi guda biyu (mai kyau ga jerin matsakaici, mafi kyawun ƙarewa) da simintin saka hannun jari (rikitattun siffofi, duk gami) fa'ida ce mai amfani anan. Yana ba ku damar daidaita tsarin zuwa aikin ɓangaren da yanayin damuwa, ba kawai zanensa ba.
Machining: Inda Kyawawan simintin gyare-gyare na iya yin ɓarna
Wannan shi ne bangaren da ke sa injiniyoyi su tashi da dare. Kuna samun simintin gyaran kafa daidai Stelite bushewa babu komai, kuma aikin ya yi rabin-yi a mafi kyau. Stelite yana aiki da ƙarfi. Cikin tsauri. Idan hanyar kayan aikin ku, saurin gudu, ciyarwarku, ko kayan aikin kayan aiki ya ƙare, zaku ƙona ta hanyar abubuwan da aka sanyawa, gabatar da ƙananan fashe-fashe a saman, ko barin bayan damuwa mai ƙarfi wanda ya zama maki farawa don gazawa. Na soke sassa ta zama mai tsaurin ra'ayi akan fasinja na ƙarshe, ƙirƙirar kyakkyawan gamawa wanda ke ɓoye ƙaƙƙarfan aiki, ƙwanƙwasa saman ƙasa.
Manufar ita ce yanke kayan, ba shafa shi ba. Mun zauna a kan yin amfani da m saitin, kaifi carbide maki musamman ga high-zazzabi gami, da ka'idar babban yatsa: haske zurfin yanke, matsakaici gudun, da kuma m abinci don samun a karkashin aikin-taurare Layer daga baya wucewa. Sanyi wata muhawara ce. Wasu sun rantse da ruwan sanyi don rage zafi. Wasu, ciki har da ni, sau da yawa sun fi son fashewar iska don Stellite, saboda yana guje wa zafin zafi na coolant wanda zai iya haɓaka fashewa, kuma yana share kwakwalwan kwamfuta yadda ya kamata don hana sake yankewa. Ma'auni ne, kuma kuna haɓaka jin daɗinsa. Kwarewar injin CNC na kanti, kamar abin da QSY ke haskakawa, yana da mahimmanci anan. Ba wai kawai samun injina ba ne; shi ne game da tarin ilimin kabilanci kan yadda ake tafiyar da su don waɗannan alloli masu taurin kai.
Bayan-machining, dacewa da ƙare shine komai. Kuskuren ba abin rufe fuska ba ne; yana da madaidaicin dubawa. Haƙuri na ID, ƙarewar saman (ƙimar Ra), da duk wani honing ko gogewa na iya yin babban bambanci a cikin farkon gudu da riƙe man shafawa. Mun taɓa samun matsala game da kama bushings a lokacin fara aikin famfo. Bayan yanke hukuncin jeri da lubrication, mun kalli daji da kansu. Ƙarshen ID ɗin ya kasance mai santsi—ba a riƙe fim ɗin mai da kyau ba yayin lokacin farawa mai ƙarancin sauri. Hasken giciye-hatch honing ya warware shi. Dan kankanin daki-daki ne mai dimbin sakamako.
Yanayin Alloy na Musamman da Kasuwancin Duniya na Gaskiya
Stelite yana zaune a cikin wannan nau'in gami na musamman saboda dalili. Yana da tsada. Tushen cobalt, abubuwa masu mahimmanci kamar tungsten ko molybdenum, ƙwaƙƙwaran simintin gyare-gyare da injina mai wahala-duk yana ƙarawa. Don haka, ba ku bayyana a Stelite bushewa ga kowane aikace-aikace. Lissafin shine jimlar farashin mallaka: ɓangaren farashi tare da farashin lokacin raguwa, aikin maye gurbin, da lalacewar lamuni daga gazawa. A cikin bututun allura mai mahimmanci akan dandamali na ketare, daji na Stelite inshora ne mai arha. A cikin mafi ƙarancin mahimmanci, abin nadi mai sauƙi mai sauƙi, ƙarfe mai tauri ko ma katako na tagulla na iya zama mafi kyawun zaɓi a rayuwar sa.
Wannan shine inda aikin cikakken sabis na abokin tarayya ya zama mai daraja. Kamfanin da ke ba da duka simintin gyare-gyare na gami da na'ura na gaba, kamar ayyukan da QSY ta zayyana, na iya samar da ƙarin ƙididdigar farashi mai haɗaka. Suna iya ba da shawara idan simintin simintin simintin kusa-net na iya rage sa'o'in injina, ko kuma idan gawa daban-daban a cikin dangi na iya zama da sauƙi don yin na'ura tare da ƙaramin cinikin lalacewa don takamaiman yanayin amfani. Suna kallon duk sarkar masana'anta, ba wai suna sayar muku da simintin gyare-gyare ba.
Na tuna wani aikin da muke kallon wani bushing don babban zafi mai zafi. Tunanin farko shine Stelite 6. Duk da haka, bayan tattaunawa game da yanayin aiki - dumama cyclic zuwa kusa da 750 ° C, kasancewar mahadi na sulfur - shawarwarin ya koma ga wani nau'i na nickel da suka yi aiki tare da su. Yana da mafi kyawun juriya mai zafi don wannan takamaiman yanayi, kodayake juriya-zazzabinsa ya yi ƙasa. Bushing ya rayu a cikin tanderu, ba kasida ba. Abubuwan da suka dace sun fito ne daga fahimtar aikace-aikacen, ba kawai sunan alamar kayan ba.
Kasawa da Darussan: Labarai marasa gogewa
Ba kowane labari ke da tsaftataccen ƙarewa ba. Mun yi ƙoƙarin tura iyaka sau ɗaya tare da monolithic Stelite bushewa a cikin wani maɗaukakin kaya mai girma, madaidaicin madaidaicin tasiri. Ka'idar ita ce ƙarfin matsawa da taurinsa zai iya ɗauka. Ya yi, na ɗan lokaci. Sai ya fashe. Ba gajiyawa - fashe. Darasin shi ne cewa gaɓoɓin ɓoyayyiyar ƙaƙƙarfan gami ba zai iya jure wa abin girgiza ba. Mun warware shi ta hanyar sake fasalin taron don amfani da suturar suturar Stellite da aka matse a cikin ɗaki mai ƙarfi, ductile karfe gidaje, barin kowane abu yayi abin da ya fi dacewa. An sake fasalta rawar daji daga tsarin tsari zuwa tsantsar lalacewa.
Wani ramin da aka saba shine yin watsi da saman mating. Sanya babban daji mai ƙarfi na Stellite akan madaidaicin sandar ƙarfe shine girke-girke na lalata sandar. Sau da yawa kuna buƙatar haɓaka kayan shaft ko jiyyanta (hard chrome, thermal spray) don ƙirƙirar nau'i-nau'i masu jituwa. Tsari ne. Na ga an dawo da bushings da aka yi da kyau a ƙarƙashin garanti, kawai sai na ga gazawar ta faru ne ta hanyar lallausan shaft mai laushi da ke aiki kamar fayil a kan ID ɗin daji.
Waɗannan gogewa suna tsara ra'ayi mafi dacewa. Kuna fara kallon bushing ba a matsayin wani abu ba, amma azaman ƙirar ƙira a cikin tsarin. Tambayoyin sun ninka: Menene ƙimar PV (Matsi-Guri)? Shin iyakar lubrication, gauraye, ko cikakken fim? Akwai sharuɗɗan ɗaukar kaya? Amsoshin suna jagorantar zaɓin gami, tsarin simintin gyare-gyare don mutunci, ƙayyadaddun mashin ɗin don gamawa da haƙuri, da ƙa'idodin dubawa na ƙarshe.
Kunna Shi: Bayan Takaddun Takaddar
Don haka, menene abin ɗauka Stelite bushes? Yana da cewa darajar ba ta cikin guntun gami da kuke karɓa. Yana cikin jerin yanke shawara da ƙwarewa waɗanda ke haifar da ɓangaren da ya dace da takamaiman dalili, sau da yawa azabtarwa. Yana farawa tare da ƙima na gaskiya na yanayin gazawa, yana motsawa ta hanyar kayan haɗin gwiwa da zaɓin tsari tare da mai siye mai ilimi, yana buƙatar ƙwararrun mashin ɗin, kuma yana buƙatar ra'ayi mai faɗi na tsarin yadda zai yi aiki a wurin.
Masu ba da kayayyaki waɗanda suka kasance a cikin ramuka, kamar QSY tare da shekarun da suka gabata a cikin simintin gyare-gyare da sarrafa waɗannan kayan, sun zama fiye da dillalai. Sun zama masu ba da shawara. Wataƙila sun ga bambancin matsalar ku ɗari. Matsayin su shine fassara buƙatun aiki-muna buƙatar wannan don ya daɗe a cikin wannan miya mai zafi, mai ɓarna, mai lalata—zuwa abin ƙirƙira, abin dogaro. Wannan fassarar ita ce inda ainihin injiniyan ke faruwa, tun kafin a yi gyare-gyaren farko.
A ƙarshe, ƙayyadaddun bushing Stellite wata sanarwa ce da ba za a yarda da bata lokaci ba kuma aiki yana da mahimmanci. Samun shi daidai motsa jiki ne na fasaha a cikin aikin ƙarfe, masana'antu kimiyya, da injiniyoyi masu amfani. Samun kuskure darasi ne mai tsada. Bambanci tsakanin su sau da yawa yana cikin zurfin tattaunawar da kuke yi da taron bitar ku, kafin a yanke odar siyan.
