Monel bolts suna isar da ƙarfi mara misaltuwa da juriya na lalata inda na'urorin ɗamara na yau da kullun suka gaza - famfun ruwan teku, bawul ɗin iskar gas mai ɗanɗano, nau'ikan injin ruwa na teku. Mun yi mashin fiye da 12,000 Monel K-500 da Monel 400 bolts don babban matsi na famfo gidaje tun 2019. Kowannensu ya tsira daga gwajin fesa gishiri fiye da sa'o'i 3,000 ba tare da rami ba. Wannan ba aikin ka'ida bane. Wannan tabbataccen abin dogaro ne a filin a ƙarƙashin nauyin hawan keke na gaske, girgizar zafi, da yanayi mai ɗauke da chloride.
Monel bolts ba kawai "bakin-karfe-da." Su ne nickel-Copper Alloys-yawanci 67% nickel, 23% jan karfe, da ƙananan amma mahimmanci na aluminum da titanium a cikin K-500. Wannan abun da ke ciki yana haifar da ƙaƙƙarfan ƙaƙƙarfan ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwa waɗanda ke tsayayya da fashewar damuwa-lalata fiye da 316 bakin karfe ko ma ƙarfe mai duplex. A cikin taron bawul ɗin teku na abokin ciniki ɗaya na teku, sauyawa daga Inconel 625 bolts zuwa Monel K-500 ya rage mitar maye gurbin da 70% sama da watanni 18. Me yasa? Saboda Monel yana kula da ƙarfin samarwa sama da 1,000 MPa yayin da yake tsayayya da lalata a pH 2-12 da yanayin zafi har zuwa 480 ° C.
Amma Monel bolts suna buƙatar girmamawa - ba kawai abin sha'awa ba. Matsakaicin ƙarfin aikin su yana da yawa. Matsa guda ɗaya da ba daidai ba yayin yanke zaren zai iya karye sarari. Mun ga abokan ciniki sun rasa duka batches saboda sun yi amfani da daidaitattun famfo na HSS maimakon kayan aikin carbide tare da isar da sanyi mai tsauri. Monel kuma yana gudanar da zafi mara kyau. Ba tare da daidaitaccen kula da zafin jiki ba yayin aikin injin, gurɓataccen gurɓataccen abu yana sassauta tushen zaren-yanke rayuwar gajiya da rabi. Wannan shine dalilin da ya sa muke preheat blanks zuwa 120 ° C kafin yin zaren, yi amfani da injinan sanyaya-sanyi mai sanyaya, da kuma tabbatar da taurin a cikin yankuna uku na radial akan kowane kuri'a. Babu gajeriyar hanya da ta tsira daga wannan gami.
- Zaɓin kayan abu yana da mahimmanci fiye da lambar sa. Monel 400 ya dace da tasirin ruwan teku; Monel K-500 yana ƙara ƙarfafa shekaru don ƙarfin juriya mai ƙarfi a cikin jujjuyawar famfo.
- Geometry na zaren ba na zaɓi ba - yana aiki. Zaren Haɗin Kai na Ƙasa (UNF) sun fi ƙaƙƙarfan filaye a cikin mahalli mai tsananin rawar jiki ta hanyar rarraba nauyin matsi daidai gwargwado.
- Ƙarewar saman yana tasiri kai tsaye ga lalata. Ra ≤ 0.4 μm yana hana micro-crevices inda chlorides ke tattarawa; electropolishing yana rage lahani-Layer mai wucewa da kashi 92% tare da goge gogen injin kawai.
Wasu na iya jayayya cewa kusoshi na Monel sun yi tsada sosai-har zuwa 4 × fiye da bakin A2-70. Koyaya, jimillar kuɗin mallakar yana ba da labari daban. Wani ma'aikacin Tekun Arewa ya bibiyi mahaɗin mahaɗar ruwa guda 14 sama da watanni 24. Tare da kusoshi na bakin ciki, sun yi 19 rufewar da ba a tsara ba don maye gurbin kusoshi da sakewa gaskit. Tare da Monel K-500 bolts, sun yi watanni 22 ba tare da ɗigon haɗin gwiwa guda ɗaya ba. Kudin aiki, raguwar lokaci, da amincin amincin sun ragu da $217,000 kowace shekara. Juriyar lalata ba sifa ba ce. An jinkirta kiyayewa-da haɗarin da aka jinkirta.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. inji Monel bolts ta amfani da ISO 9001-certified CNC cibiyoyin tare da real-lokaci thermal diyya. Muna samo takaddun shaida na AMS 4675, muna tabbatar da yanayin kwararar hatsi kafin ƙirƙira, da yin binciken ultrasonic akan kowane tsari don gano abubuwan da ke ƙarƙashin ƙasa. Tsarin mu ya haɗa da warware matsalar a 980°C ± 5°C, saurin kashe ruwa, sannan tsufa a 650°C na awanni 16—kai tsaye ga ASTM B564. Kowane kusoshi yana ɗauke da cikakken abin ganowa: lambar zafi, rahoton gwajin tensile, gwajin lalata tsakanin granular (ASTM G28A), da girman bayanan CMM da aka adana na shekaru 10. Lokacin da kuke buƙatar kusoshi na Monel waɗanda ke riƙe da ƙarfi bayan zagayowar matsa lamba 50,000 a cikin 95°C brine-bama tsammani. Muna aunawa, tabbatarwa, da garanti.
Duba gaba, Monel bolts suna haɓakawa fiye da ɗaurewa a tsaye. Yanzu muna shigar da ma'aunin ma'auni a cikin al'ada Monel 400 bolt shanks don sa ido kan ainihin lokacin da ake sakawa a cikin tushe mai mahimmanci. Zane-zane na gaba-gaba suna haɗa ƙananan tashoshi don isar da mai mai layukan layi yayin aiki - haɓaka tazarar sabis a aikace-aikacen filin mai mai nisa. Gaba ba game da ƙwanƙwasa Monel masu ƙarfi ba ne. Yana game da waɗanda suka fi wayo — tsara su da manufa, ingantattun bayanai, kuma an gina su inda gazawa ba zaɓi ba ne. Idan aikace-aikacenku yana buƙatar rashin daidaituwa akan mutunci, sunadarai, ko daidaito, monel kusoshi ba shine mafi kyawun ku ba. Su ne kawai zaɓinku.
