Maɓalli, Asalin da aka yi amfani da shi don haɗin suturar tufafi, duk da haka, ya ci gaba har zuwa yau, maɓalli ban da mafi yawan aikin haɗin gwiwa na asali, amma kuma an ƙaddamar da kayan ado da kayan ado na aikin.Bisa binciken da aka yi, ana iya gano tarihin maballin kasar Sin zuwa akalla shekaru 1800 da suka wuce.Babban kayan maɓalli na farko sune dutse, itace, zane da sauransu.A cikin karni na 13, mutane a nahiyar Turai sun fara amfani da maɓalli.Bayan juyin juya halin masana'antu a karni na 18, maɓallan ƙarfe sun fara zama sananne.
Don haka, ta yaya ake auna maɓalli?Ana kiran naúrar maɓalli L, harafin farko na ligne.
Menene Ligne?
Ligne yanki ne na tsayin da aka samo daga kalmar Faransanci don layi.Masu kera maɓalli na Jamus sun fara amfani da Ligne a ƙarni na 9 don tantance girman maɓalli, kuma daga ƙarshe ya zama madaidaicin naúrar maɓalli a ƙarni na 18.
Juyawa na girma
Mutanen da ba su san girman maɓalli L kuma suna iya canza shi zuwa inci ko santimita.
1 L = 0.635 mm
1 mm = 1/25"
Misali, idan diamita na maɓalli ya kasance 18mm, ana iya ƙididdige girman maɓallin zuwa 28L (18/0.635=28.34).
Mai zuwa shine tebur mai girman girman gama gari.
Tukwici:
1, Button diamita: matsakaicin matsakaicin diamita na maɓallin.
2. Zaure diamita: Auna ciki diamita.
Kodayake tsarin aunawa donmaballingirman yana da rikitarwa da farko, a zahiri abu ne mai sauqi don ƙididdigewa.WUTAzik dinmaɓallan wadata masu girma dabam da kayan aiki, idan kuna buƙata, zaku iya tuntuɓar daki-daki.
Lokacin aikawa: Afrilu-11-2022