Ilimin asali na ma'aunin zaren
Ma'aunin zaren ma'auni ne da ake amfani da shi don gwada ko zaren ya bi ƙa'idodi. Ana amfani da ma'aunin toshe zaren don gwada zaren ciki, kuma ana amfani da ma'aunin zoben zaren don gwada zaren waje.
Zare abu ne mai mahimmanci kuma abin da aka saba amfani dashi. Ana amfani da zaren musamman wajen haɗin ginin, haɗin hatimi, watsawa, karatu da ɗaukar kaya da sauran lokuta. Daga yanayin amfani gabaɗaya zuwa yanayi mai tsanani (zazzabi mai ƙarfi, matsa lamba mai ƙarfi, lalata mai ƙarfi), daga ƙaƙƙarfan matakin zuwa shuru sosai, a takaice, yana da fa'idodin aikace-aikace.
1. Zaren al'ada (wanda kuma aka sani da zaren Amurka ko metric thread) M
2. Zaren haɗin kai na Amurka kuma shine UNC, UNF, UNEF, UN, UNS jerin
3. Zaren bututun da ba a rufe ba (tsohuwar zaren cylindrical na bututu)
4. Zaren trapezoidal
5. Sauran zaren
NPSM-American Standard Mechanical Connection Straight Pipe Thread: Ana amfani da waɗannan zaren ciki da na waje don haɗin injin kyauta ba tare da matsa lamba na ciki ba. Samfurin yana da madaidaicin bututu go-stop zobe duba ma'auni.
NPSL – Madaidaicin Filayen Bututu don Madaidaicin Kulle Kwayoyi na Amurka: Ana amfani da waɗannan zaren ciki da na waje don ingantacciyar injin zaren hana ciyarwa.
NH - Tsarin Ruwan Wuta na Wuta na Amurka: Ana amfani da waɗannan zaren ciki da na waje don ruwan wuta, hoses na ruwa na lambu, sinadarai da masu hawan kaya, da dai sauransu.
NPSH-National Standard Hose Coupling Threads: Ana amfani da waɗannan zaren ciki da waje don tururi, iska, ruwa da sauran daidaitattun haɗin bututu.
NPSC-American misali bututu dangane da madaidaiciya bututu thread: da bututu hadin gwiwa da wannan zare profile kamar ciki madaidaiciya bututu zare. Lokacin da aka yi amfani da NPT zaren da aka ɗora na waje don haɗuwa da marufi, ana ƙarfafa shi da maƙarƙashiya, kuma yawanci yana iya samar da haɗin da aka rufe. An fi amfani dashi don ƙananan bututu. tsarin hanya.
NPSF-National Standard Oil Dry Seal Thread: Ana amfani da waɗannan zaren ciki don haɗuwa da ba a rufe ba tare da zaren waje na NPTF akan kayan laushi ko simintin ƙarfe.
NPSI – American Standard Dry Seal Intermediate Threads: Ana amfani da waɗannan zaren na ciki don haɗa abubuwa masu wuya ko gaggautsa tare da gajerun zaren PTF-SAE na waje, amma kuma ana iya amfani da su don cikakken tsayin taro tare da zaren waje na NPTF.
Taper ma'auni don gas cylinders
Ana amfani da zaren taper na musamman don silinda gas don haɗin kai tsakanin silinda da bawul na nau'ikan silinda na ƙarfe daban-daban (kamar silinda na oxygen, silinda gas, silinda acetylene, da sauransu). Amincewa da kullewa da hatimin haɗin haɗin zaren shine babban mahimmanci don tabbatar da aminci a cikin tsarin samarwa da amfani.
Akwai don PZ19.2PZ19.8PZ27.8PZ39 Taper Zaren zoben ma'auni, ma'aunin toshe, famfo
Metric trapezoidal zaren Tr
Ana amfani da zaren trapezoidal a watsawa (ciyarwa da ɗagawa) da na'urorin daidaita matsayi, kuma ana amfani da su sosai a cikin masana'antar injina. Haƙurin ma'aunin zaren trapezoidal na ma'auni don dalilai na gaba ɗaya yana ɗaukar tsarin juriya na zaren gama gari, kuma babu wani keɓantaccen ƙimar haƙuri don sigogi ɗaya kamar jagorar zaren (fiti) da kusurwar ma'auni. Sabili da haka, wannan zaren trapezoidal bai dace da madaidaicin zaren watsawa waɗanda ke da manyan buƙatu don daidaiton watsawa ba. Madaidaicin zaren trapezoidal na watsawa yana buƙatar ƙarin juriya na sigogin zaren mutum ɗaya bisa tushen madaidaicin zaren trapezoidal gabaɗaya.
Hakanan za'a iya amfani da zaren trapezoidal don haɗa haɗin gwiwa. Zaren ACME da ma'aunin ma'aunin zaren ma'auni yana samuwa
Tsarin gwajin Amurka don ɗaure zaren (UN, UNR, UNJ, M da MJ)
Sakamakon rashin fahimta da yawa, wasu haɗari da bukatun tattalin arziki a fagen gano zaren, ya haifar da matsala mai yawa ga karɓar kayan zaren kuma ya binne hatsarori da yawa ga ingancin kayan aikin injiniya. Don musanya wannan halin da ake ciki, Amurka ta gudanar da bincike na fasaha da yawa game da gano zaren, kuma ta ba da shawarar daidaitaccen tsarin gano zaren (ASME standard) da kuma bayanan rashin tabbas na ma'aunin ma'aunin zaren 60º (Rahoton fasaha na ASME). Amurka ce ke kan gaba a duniya wajen sarrafa zare da fasahar gwaji. A nan gaba, sauran kasashen duniya za su koyi darasi daga kwarewar Amurka tare da tsara nasu tsarin gwajin zaren na kasa don inganta ingancin kayayyakin zaren su. Idan akasarin ma’aikatan fasaha a kasarmu za su iya koyo da sanin irin wannan tsarin fasahar gano zare da wuri-wuri, za a inganta ingancin kayayyakin zare a kasarmu cikin sauri, kuma za mu kawar da halin da ake ciki na samar da zare. .
Daga tsarin duba zaren Amurka, zaku iya koyan wasu fasahar sarrafa zaren ci-gaban a cikin Amurka. Misali, yin amfani da fasahar gano ma'aunin ma'auni na banbance na iya inganta daidaiton daidaiton kayan aikin injin da kayan aikin yankan, da aiwatar da zaren kusa da girman daidaitaccen tsari. A lokaci guda, za a ƙara rayuwar kayan aiki.
Kayan aikin Xinfa CNC suna da inganci mai kyau da ƙarfi, don cikakkun bayanai, da fatan za a duba: https://www.xinfatools.com/cnc-tools/
Lokacin aikawa: Juni-21-2023
