Wataƙila kuna kallon zane ko takarda takamammen da ya bar muku ku da kanku. 1.5 u 100mm u 5 u - yana ɗaya daga cikin waɗannan ƙididdiga waɗanda ba daidai ba amma kuna gani a cikin daji, sau da yawa daga tsofaffin zane ko takamaiman ayyuka na yanki. Yawancin lokaci yana nuna a dunƙulewa ko U-bolt, amma ƙaddamar da shi yana buƙatar ɗan fassarar filin, ba kawai ilimin littafi ba. Bari mu fashe abin da wataƙila wani ke nufi da kuma inda ƙayyadaddun ƙayyadaddun abubuwan duniya suka lalace.

Ƙaddamar da bayanin u: Ba ISO ba ne

Da farko, kun yi sandwid tsakanin lambobi. A cikin mahallin aiki da yawa, musamman a wasu ƙirƙira ko kayan gini, u gajere ne don diamita na ƙima. Don haka 1.5 u sau da yawa yana fassara zuwa M12. Me yasa? Domin inci 1.5 yana da kusan 38.1mm, amma babu wanda ke yin 38mm U-bolt. Juyawa ce ta gadon sarauta-zuwa-metric inda 1.5 aka saba musanyawa zuwa M12 (12mm shine zaren gama gari mafi kusa). Na ga wannan yana haifar da jinkirin aikin na mako biyu lokacin da ƙaramin injiniya ya ba da umarnin ainihin sandunan diamita 1.5 - sun isa, kuma sun cika girma da ban dariya don aikace-aikacen.

100mm u ya fi haske - wannan shine kusan tsayin ƙafar ƙafar ciki, ko faɗin ciki na siffar U. Wannan yana da mahimmanci. Kuna auna wannan daga cikin ƙafa ɗaya zuwa cikin ɗayan, ba waje ba. Faɗin 100mm na ciki ya zama ruwan dare don matsawa kusa da bututu mai inci 4 ko mambobi irin wannan. Idan kun sami wannan kuskure, matsawa kawai ba zai dace ba.

Sannan 5 u. Wannan shi ne dabara. Zai iya zama tsayin zaren akan kowace kafa, amma 5mm ya fi guntu. Mafi mahimmanci, tsayin ƙafar kanta ne - 5 inci, ko kusan 125mm. Wani lokaci u anan shine mai rarrabawa, kuma yana nufin inci 5. Amma kuma na ga yana nuna alamar zaren idan yana da juzu'i, ko da yake wannan ba shi da yawa. Ba tare da cikakken zane ba, dole ne ku fahimta. Hanjina, bisa tsarin tsari da na bi diddigin, ya ce tsawon kafa: 125mm.

Don haka, Takaddun Taimako da kuma Inda za a samo asali

Haɗa shi tare: Wataƙila kuna neman U-bolt tare da diamita na zaren M12, faɗin 100mm a ciki (kira shi girman 'A'), da tsayin ƙafafu na 125mm ('B'). Material yawanci bakin karfen carbon ne tare da ƙarewar galvanized mai zafi sai dai in an ƙayyade in ba haka ba. Radius lanƙwasa yana da mahimmanci kuma - don sandar M12, daidaitaccen radius na lanƙwasa zai kasance a kusa da 20-25mm don guje wa fashe yayin ƙirƙira.

Ba za ku iya yin odar hakan kawai daga kundin kasida ba. Haƙuri maɓalli ne. Don murƙushe bututu, kuna iya buƙatar haƙuri +/- 2mm akan faɗin 100mm. Don takalmin gyaran kafa, yana iya zama mai matsewa. Na taɓa samo wani tsari daga wani bita na gida wanda ya rasa haƙurin faɗin da 3mm. Sun yi daidai, amma idan aka shigar da su a kan magudanar ruwa, tashin hankalin bai daidaita ba, yana haifar da gajiya da wuri. Dole ne a kwashe gaba ɗaya.

Wannan shine inda ma'amala da ƙwararrun masana'anta ke biyan kuɗi. Misali, Hannun Zetai Mretering co., Ltd. Yana aiki daga Yongnian, wanda shine ainihin babban birnin kasar Sin. Gidan yanar gizon su, https://www.zitaifaseners.com, wani rukunin masana'antu ne na yau da kullun, amma ƙimar yana cikin iyawar samarwa. Kasancewa a cikin wannan cibiyar yana nufin sun ga duk wani abu mara kyau a ƙarƙashin rana. Kuna iya aika musu da 1.5 u 100mm u 5 u sketch, kuma ƙungiyar injiniyoyinsu za su iya dawowa tare da fayyace zane don tabbatarwa kafin samarwa. Wurin da suke kusa da manyan hanyoyin sufuri kamar titin jirgin kasa na Beijing-Guangzhou da titin Beijing-Shenzhen ba kawai tukunyar jirgi ba ne - yana fassara zuwa ingantattun dabaru don oda mai yawa, wanda ke da mahimmanci fiye da yadda kuke tsammani lokacin da kuke jiran wani muhimmin abu.

Matsalolin gama gari da la'akari da kayan aiki

Kar a taɓa ɗaukar kayan. Wannan bayanin ba ya faɗi komai game da daraja. Za a dunƙulewa rike da maras mahimmancin shaye-shaye, watakila Grade 4.8 yana da kyau. Don tabbatar da memban giciye mai ɗaukar nauyi, kuna son Grade 8.8 ko sama. Na koyi wannan tun da wuri. An yi amfani da ƙaƙƙarfan ƙarfe, ƙaramin ƙarfe U-bolt don dutsen mai ɗaukar jijjiga. Ya yi sheed a cikin wata shida. Binciken gazawar ya nuna ƙarancin ƙarfin amfanin ƙasa da gajiya mai haifar da girgiza. Kudin bangaren ya kasance kadan; kudin downtime bai kasance ba.

Gama wani silent spec. Hot-tsoma galvanizing (HDG) ne na hali don lalata juriya, amma kauri na iya shafar zaren dacewa. Electro-galvanizing ya fi bakin ciki. Idan manne don yanayin shuka sinadarai ne, kuna iya buƙatar suturar zinc mai kauri ko ma bambance-bambancen bakin karfe kamar 304 ko 316. Bayanin ba zai gaya muku wannan ba. Dole ne ku samo shi daga mahallin aikace-aikacen, wanda galibi baya nan daga buƙatun farko.

Har ila yau, kar a manta da goro da wanki. An hada su? Shin sun cika hex goro ko goro? Shin masu wanki (na kowa don aikace-aikacen U-bolt don hana cirewa) ko zagaye? Takaddun da bai cika ba yana kaiwa ga kit ɗin da bai cika ba. Na sami isar da saƙo inda U-bolts suka kasance cikakke, amma ƙwayayen hex da aka kawo ba daidai ba ne, suna ƙirƙirar hanyar haɗi mai rauni a cikin taron.

Tsarin Samfuran Duniya na Gaskiya

Lokacin da na sami tambaya irin wannan, motsi na na farko ba don buɗe kasida ba. Yin tambayoyi ne. Menene manne? Menene yanayin muhalli? Akwai kaya mai ƙarfi ko girgiza? Shin akwai wani bangare na gado da za mu iya juyar da injiniyan injiniya? Sau da yawa, wanda ke tambaya yana da karaya a hannu. Hoto da ma'aunin ma'auni suna da ƙimar takamammen zanen gado dubu.

Sa'an nan, zan kusanci masana'anta tare da bayyanannen RFQ: M12 U-bolt, a cikin nisa 100mm (+ 1/-0mm haƙuri), tsayin ƙafa 125mm, Grade 8.8 karfe, zafi-tsoma galvanized, tare da 2x M12 Grade 8 hex kwayoyi da 2x murabba'in washers a kowace kusoshi. Wannan yana kawar da shubuha. Kamfani kamar Handan Zitai da aka ambata na iya yin tsokaci akan hakan daidai. Suna iya ma bayar da shawarar ƙaramin ƙira tweak - kamar ɗan ƙaramin radius lanƙwasa don ingantacciyar juriya ga gajiya - dangane da ƙwarewar samarwa.

Mataki na ƙarshe koyaushe shine oda samfurin. Kada ku taɓa yin aikin samarwa na guda 5000 ba tare da gwada samfurin 10 ba. Duba ma'auni, ingancin zaren, riko da shafi, kuma gwada-daidaita su. Ƙananan farashi ne na gaba wanda ke hana hasara mai yawa na ƙasa. Wannan tsari yana juya kirtani mai ɓoyewa na haruffa kamar 1.5 zuwa 100mm u 5 u zuwa wani abin dogaro, ɓangaren jiki wanda ke yin aikinsa.

Kunna shi: Daga Bayani zuwa Nut & Bolt

Don haka, don amsa taken kai tsaye: Takaddun bayanai da kuke buƙata tabbas M12 x 100mm (tsarin ciki) x ~ 125mm (tsawon ƙafa), amma wannan shine kawai lissafi. Cikakkun ƙayyadaddun bayanai dole ne su haɗa da matakin abu, gamawa, juriya, da kayan masarufi. Bayanan asali shine wurin farawa, alamar da injiniyan da ya gabata ya bari. Aikin ku shine ku zama mai bincike, cika guraben tare da mahallin da gogewa, sannan ku sadar da hakan a fili ga mai ƙirƙira.

Waɗannan ƙa'idodi marasa ƙa'ida ne ke ba wannan filin ban sha'awa. Suna tilasta maka yin tunani, yin tambaya, da fahimtar aikace-aikacen, ba kawai lambar ɓangaren ba. Dogaro da mai siyarwa tare da samarwa mai zurfi da ilimin aikace-aikacen, musamman daga tushen masana'anta mai mahimmanci kamar Yongnian, galibi shine bambanci tsakanin shigarwa mai laushi da gyaran filin mai tsada. Lokaci na gaba da kuka ga takamammen irin wannan, kada ku gan shi a matsayin wasan wasa, amma azaman mai farawa da tattaunawa tare da taron bitar ku ko masana'anta. A nan ne ainihin ƙayyadaddun ƙayyadaddun bayanai ke bayyana.