Bakin ido ba kawai yana riƙe nauyi ba - suna riƙe da amana. A cikin riging, mooring na ruwa, saitin crane na sama, ko tsarin dakatarwa na gine-gine, zaren da ba a yi amfani da shi ba zai iya shiga cikin raguwar lokaci, sake yin aiki, ko mafi muni. Mun ga shi: ƙwanƙolin ido wanda aka sanya a cikin ababen more rayuwa na bakin teku ya gaza bayan watanni 18 - ba daga kitse ba, amma daga lalatawar chloride da ke ƙarƙashin goro mara kyau. Shi ya sa zabin kayan abu, aikin zare, da horon shigarwa suna da mahimmanci fiye da kima kawai.
Me Yasa Bakin Ido Bolt Aiki Ya Fara Tun Kafin Dagawa
Yawancin injiniyoyi suna zaɓar ƙwanƙolin ido don juriya na lalata-amma ba duka maki mara kyau ba ne ke yin abu ɗaya a ƙarƙashin damuwa na inji da bayyanar muhalli. Mataki na 304 yana ba da ingantaccen aiki na gama-gari, duk da haka a cikin babban chloride ko yanayin acidic, yana haɗarin rami. Darasi na 316, tare da abun ciki na molybdenum na 2-3%, yana tsayayya da harin da aka kai a cikin gida sosai. A Hebei Dewell Metal Products Co., LTD, kowane ƙwanƙwasa ido mara nauyi yana fuskantar takaddun shaida-babu takaddun shaida da aka karɓa ba tare da lambobi masu zafi ba. Muna gwada ƙarfin tensile a kowane ASTM F568M, tabbatar da daidaiton farar zaren zuwa jurewar DIN 933, da kuma duba ƙarshen saman don ƙananan fashe-fashe wanda zai iya haifar da gazawar gajiya ƙarƙashin hawan keke.
Ayyukan zahirin duniya sun ta'allaka ne akan abubuwa uku da ba za'a iya sasantawa ba:
- Zurfin shigar zare: Mafi ƙarancin diamita na 1.5 × a cikin madaidaicin-ba ta taɓa ƙasa ba, har ma da madaidaicin ƙarfi.
- Gudanar da lokacin lankwasawa: Ana ƙididdige kullin ido don ɗaukar nauyin axial madaidaiciya kawai; lodin gefe yana rage iya aiki har zuwa 75%
- Mutuncin yanayin saman: Duk wani karce, gouge, ko zafi mai zafi daga walƙiya mara kyau yana ƙasƙantar da samuwar Layer a cikin austenitic bakin karafa
Muna ba abokan ciniki shawara akai-akai game da “haɓaka” santsin ido na carbon karfe tare da bakin wanki ko na goro — haɗaɗɗen galvanic yana haɓaka lalata a wurin sadarwa. Amintaccen tsarin gaskiya yana buƙatar cikakken daidaiton kayan abu a tsakanin kusoshi, goro, da mai wanki.
Kudin Boye na Yanke Kusurwoyi akan Gama da Fit
Wasu masu siye suna ɗauka cewa duk ƙullun idanu masu iya canzawa. Ba su ba. Ƙunƙarar da aka ƙera daga hannun jari da wanda aka ƙirƙira daga billet mai zafi yana ɗaukar nau'ikan kwararar hatsi daban-daban-mahimmanci lokacin ɗaga kayan aiki masu ƙarfi ko girgiza. Ƙunƙarar ido na ƙirƙira suna kula da ci gaba da tsarin ta hanyar madaukin ido; nau'ikan injina suna gabatar da yuwuwar jirgin sama mai ƙarfi a mahaɗin tsakanin shank da ido.
A wurin aikin mu na kadada 10 a Yongnian, muna ƙirƙira ƙwanƙolin ido ta amfani da rufaffiyar matsi wanda aka daidaita zuwa ± 0.15 mm juriyar juzu'i. Kowane yanki yana wucewa ta cikin gwajin ƙarfin aiki (Sikelin Rockwell B), ma'aunin filogi na zaren, da duba-ƙulla rini kafin wucewa ta ƙarshe a cikin wankan nitric-acid a kowane ASTM A967. Wannan ba kayan kwalliya ba ne - yana dawo da ɗaukar hoto na chromium oxide da aka rasa yayin injin, haɓaka juriya na lalata ta 3-5 × a gwajin fesa gishiri (ASTM B117).
Abokan ciniki sukan yi tambaya: "Zan iya amfani da daidaitaccen gunkin bakin karfe hex-head tare da welded ido?" A'a. Welding yana rushe ƙarfe, yana haifar da damuwa na saura, kuma yana gabatar da wuraren da zafin jiki ya shafa mai saurin lalata intergranular. ƙwararrun ƙwanƙwasa bakin ido dole ne a ƙirƙira su ko kuma su kasance masu sanyi a matsayin raka'a ɗaya-ba tare da weld na biyu da ke lalata ingancin hanyar kaya ba.
Yadda Ake Ƙidaya Dama-Ba tare da Injiniya ba ko Ƙarfafawa
Zaɓin madaidaicin murfin ido na bakin ciki yana nufin daidaita ma'auni guda huɗu: nauyin aikace-aikacen, muhalli, ɗaki mai hawa, da iyakokin tsari. Misali:
- Turbine nacelle damar iskar bakin teku: Ana buƙatar Grade 316, ƙirƙira, tare da zaren UNC, ƙaramin hujja 120 kN, da yarda da ASME B30.26
- Wuraren ɗaukar nauyi na abinci: Bukatar electropolished Grade 316L, Ra ≤ 0.4 µm surface gama, da kuma FDA-compliant passivation
- Gilashin ginin labulen dakatarwar bangoBukatar ASTM A193 Grade B8M Class 2, tare da ƙwararrun tasirin tasirin Charpy a -46°C
Muna kula da daidaitattun SKUs sama da 400-ciki har da awo da jerin zaren sarki, bambance-bambancen-shank don aikace-aikace masu nauyi, da tsayin zaren al'ada har zuwa mm 300. Lokacin jagora yana tsayawa a cikin kwanaki 5-10 don abubuwan da aka adana saboda muna riƙe da kayan da aka keɓe akan rukunin yanar gizon da sarrafa jiyya a cikin gida-babu jinkirin fitar da kaya.
Lokacin da abokan ciniki suka aiko mana da zane-zane ko ƙirar CAD, ƙungiyar R&D ɗinmu tana gudanar da bincike mai iyaka akan mahimman geometries-tabbatar da hankalin damuwa a yankin canjin ido-da-shank kafin fara kayan aiki. Wannan shine haɗin kai tsaye da za ku iya aunawa a lokacin sake zagayowar da ƙimar gazawar filin.
Kalma ta Ƙarshe: Ana Auna Ƙarfi a Rayuwar Hidima, Ba kawai Ƙarƙashin Ƙaƙwalwa ba
Ƙimar bakin bakin ido na ƙarshe ya ta'allaka ne kan tsawon lokacin da yake ba da daidaito, aikin da ake iya faɗi-ba lambar takunsa ta farko ba. Mafi kyawun su bace a cikin tsarin: babu kulawa, babu sauyawa, babu rahotannin da suka faru. An kayyade su daidai, an shigar da su tare da kayan aikin juzu'i, ana dubawa kowace shekara ta OSHA 1926.251, kuma sun yi ritaya kawai bayan an rubuta ƙarshen rayuwar sabis.
Idan aikin ku na gaba yana buƙatar juriya na lalata ba tare da sadaukar da amincin injina ba, fara da ingantattun kayan aiki, masana'anta sarrafawa, da ingantacciyar rayuwa ta zahiri-ba kawai ƙayyadaddun bayanai ba. Don goyan bayan fasaha, zane-zane, ko buƙatun samfurin, ziyarci dewellfastener.com. Kowane bakin ido na ido da muke jigilarwa yana ɗaukar cikakkiyar ganowa-daga zafi mai yawa zuwa rahoton dubawa na ƙarshe-kuma yana tsayawa a bayan sadaukarwarmu: mutunci na farko, inganci na farko, farkon abokin ciniki, fara suna.
