Welding Cart: Me yasa Ƙaƙƙarfan Maɗaukakin Maɗaukakin Ƙarfin Ya Fara Kafin Arc na Farko
Kun yanke bututu. Kun bushe-daidaita mahaɗin. Kuna shirye don buga baka akan firam ɗin keken karkanda - kuma shine daidai lokacin da yawancin gine-ginen DIY suka gaza. Ba daga ƙarfe mai rauni ba, amma daga zafi mara ƙarfi, shigar da ba daidai ba, ko ƙayyadaddun kayan aiki mara kyau. Mun yi walda fiye da 12,000 firam ɗin katako na al'ada a Botou Haijun Metal Products Co., Ltd - ba a matsayin samfuri ba, amma don amfanin gona a cikin gonakin inabin Arewacin Amurka, masu fesa gonar lambu na Turai, da masu girbin shinkafa na kudu maso gabashin Asiya. Abin da muke gani kullum ba ka'idar ba ce. Yana da ƙetare membobin ƙungiyar bayan wucewa ɗaya. Fasassun gussets a ƙarƙashin nauyin kilogiram 300 na kaya. Zaren tsiri a cikin ramuka masu hawa saboda gindin farantin ya lalace yayin walda.
Ƙarfin keken karkanda ba game da amperage ko waya mai filler kadai ba. Yana game da jeri, kamewa, da halayen kayan abu. Ƙarfe mai sanyi-ma'aunin mu na firam ɗin karkanda - yana faɗaɗa 12.5µm/m·°C. Titin gefen 600 mm mai zafi zuwa 400 ° C ba tare da matsawa ba zai yi girma kusan mm 3 kafin sanyaya. Wannan girma ba ya ɓacewa. Yana kulle cikin saura damuwa. Kuma raunin damuwa yana bayyana ba a lokacin walda ba - amma a lokacin sake zagayowar lodi na uku.
Matakai Uku Mara Sassauta Kafin Ka Weld
Tsallake kowane ɗayan waɗannan yana juya keken karkanda daga kayan aiki zuwa abin alhaki:
Gyara kowane haɗin gwiwa-ba kawai maki waldi ba. Yi amfani da jigs-baƙin ƙarfe da aka kulle tare da daidaitacce tasha. Maƙe duk kewayen kowane sashi, ba kawai kabu na walda ba. Mun gano cewa sasanninta da ba a haɗa su ba suna motsawa zuwa 1.8 ° yayin wucewar tushen tushe - isa ga daidaitawar ƙafar ƙafa ta 4.2 mm a tsayin axle. Pre-tack tare da 10-mm tazara-kuma tabbatar da murabba'in sau biyu. Dole ne weld ɗin maƙarƙashiya su zama cikakkar shigar ciki, ba dabobin ƙasa ba. Bayan taka, auna diagonals a fadin babban rectangle. Bambanci> 1.5 mm yana nufin hargitsi ya riga ya gina. Nika da sake takawa. Kar a ci gaba. Yi zafi kawai idan yanayi ya faɗi ƙasa da 10 ° C-ko kuna amfani da> 3-mm bututun bango. Don daidaitaccen ƙarfe 2-mm sanyi mai birgima (Q235 ko ASTM A1008), preheat yana ƙara haɗari fiye da fa'ida. Gwajin feshin gishirin mu ya nuna cewa gaɓoɓin gaɓoɓin da aka rigaya sun lalace da sauri 27% a yatsan walda saboda canza yanayin Layer oxide. Me yasa "kawai Weld It" ke kasawa kowane lokaci
Wasu suna jayayya cewa MIG walƙiya shine gafara isa ga firam ɗin katako. Amma bayanan mu na CMM ya ba da wani labari. A kan 147 da aka bincika bazuwar kuloli irin na Rhino waɗanda masu sha'awar sha'awa suka gina, 68% sun nuna karkacewar angular>± 2.3° a mahaɗin kusurwa. Kashi 11% ne kawai suka wuce gwajin aiki tare da cikakken kaya. Tushen dalili? Rashin daidaituwar saurin tafiya. Faɗuwar 15% na saurin tafiya yana ƙara shigar da zafi da 34%. Wannan yana narkar da ƙarin ƙarfe mai tushe, yana faɗaɗa yankin da zafi ya shafa (HAZ), kuma yana sassauta tsarin hatsi kusa da walda. Sakamako: Fashewar gajiya ta fara a kan iyakokin HAZ bayan sa'o'in aiki 1,200-1,800 - ba bayan shekaru ba.
Muna amfani da pulsed MIG don duk samar da firam ɗin keken karkanda. Mitar bugun bugun jini yana tsayawa akan 120 Hz. Kololuwar halin yanzu yana riƙe a 185 A. Bayanan baya na yanzu ya ragu zuwa 42 A. Wannan yana ba da daidaitaccen canja wurin digo, yana rage spatter da 70%, kuma yana riƙe nisa na HAZ a ƙarƙashin 1.1 mm-har ma akan tubing 2.5-mm. Don masu walda DIY ba tare da iya bugun bugun jini ba? Yi amfani da gajeriyar hanyar kewayawa, kiyaye tsayawa a ƙarƙashin 12 mm, kuma matsawa a 35-40 cm/min. Duk wani abu a hankali yana kiran ƙonewa. Duk wani abu da sauri yana kiran rashin-fusion.
Haqiqanin Kudin Welding Rawanin Cart
Ba gazawar tsari ba ce kawai. Raunan walda yana fitar da ɓoyayyun farashi:
Sake yin aiki: Yin niƙa mai fashe yana ɗaukar mintuna 22. Sake walda shi daidai-tare da kulawar zafin jiki mai kyau na tsaka-tsaki-yana ƙara wani 18. Wannan shine mintuna 40 da aka rasa a kowane haɗin gwiwa. A kan cikakken firam? Sama da awanni 3. Sharar gida: Ɗayan titin gefen ƙasa da ya gaza yana nufin kawar da layin dogo biyu-saboda daidaitawar ƙwalwar hatsi da ƙarewar ƙasa bayan walda ba zai yuwu ba ba tare da annabta matakin niƙa ba. Lokacin fage: Katin da ya gaza tsakiyar girbi yana kashe $190 / awa a cikin asarar aiki da kayan aiki mara amfani. Abokan cinikinmu suna ba da rahoton matsakaicin lokacin ƙuduri don gazawar da ke da alaƙa da weld: kwanaki 11.3. Botou Haijun yana guje wa wannan ta hanyar aiwatar da iyakokin tsaka-tsaki na ≤150°C. Muna saka idanu akan kowane weld tare da infrared thermography - ba zato ba. Idan zafin jiki ya haura sama da kofa, mu dakata. Muna jira. Muna sanyi. Babu ware.
Abin da ke Aiki - Kuma Abin da Ba Ya Yi - Akan Firam ɗin Katin Rhino
Mun gwada ayyuka gama gari guda biyar a cikin samfuran weld 420. Ga abin da ya gudana:
Gusset siffar al'amura. Gussets masu triangular masu ƙafafu 45° sun fi na rectangular da kashi 41% a cikin gwaje-gwajen rigidity na torsional. Radius sasanninta a gusset tukwici sun rage yawan damuwa da 63% (ana auna ta hanyar ma'auni). Weld shugabanci sarrafa murdiya. Welding daga tsakiya a waje akan dogayen dogo sun yanke ruku'u da kashi 82 cikin 100 tare da wucewar farawa-zuwa-ƙarshe. Jeri: tsakiya → ¼ aya → ¾ aya → ƙarewa. Taimakon danniya bayan walda ba zaɓi ba ne don kaya mai nauyi> 250 kg. Muna riƙe firam a 580 ° C na minti 45 a cikin tanderun da aka sarrafa. Sanyaya iska bayan sauƙaƙa 94% na saura damuwa tensile. Tsallake wannan matakin ya ƙara ƙimar ƙaddamar da fasa da 5.7 × a cikin hanzarin gwajin rayuwa. Bayanin ƙarshe na ƙarshe: waldawar keken karkanda ba game da ƙarfi ba ne. Yana game da tsinkaya, lissafi mai maimaitawa. Kowane weld dole ne ya yi hidimar taron - ba kawai haɗa guda biyu ba. Wannan tunanin ya raba kurayen da suka wuce shekaru biyar daga waɗanda aka soke bayan ɗaya.
Idan firam ɗin keken Rhino ɗin ku yana buƙatar daidaitaccen walƙiya wanda ke tsira da lodi na gaske na duniya, Botou Haijun Metal Products Co., Ltd. yana ba da ƙirƙira-ƙirar injiniya-wanda aka gina akan ƙarfe mai birgima, ingantacce tare da CMM da gwajin tensile, kuma yana goyan bayan sarrafa tsari na daidaita tsarin ISO. Ba mu sayar da sassa. Muna isar da tabbaci mai girma.
