Muyezo wa ulusi wa bawuti

Pali miyezo yambiri yabawutiulusi, kuphatikizapo zotsatirazi:

1.Metric Thread: Ulusi wa Metric umagawidwa kukhala ulusi wolimba ndi ulusi wabwino, ndi miyezo yodziwika bwino kuphatikizapo ISO 68-1 ndi ISO 965-1.

ISO 965-1 ndi mulingo wa ulusi wopangidwa ndi International Organisation for Standardization pamapangidwe ndi mafotokozedwe a ulusi wa metric.Muyezo uwu umatchula magawo monga miyeso, zololera, ndi ngodya za ulusi wa ulusi.Muyezo wa ISO 965-1 makamaka umaphatikizapo izi:

Mafotokozedwe amtundu: Mulingo wa ISO 965-1 umatchula m'mimba mwake, phula, ndi miyeso ina ya ulusi wowoneka bwino komanso wowoneka bwino.Pakati pawo, mtundu wa ulusi wokulirapo ndi M1.6 mpaka M64, ndipo ulusi wabwino kwambiri ndi M2 mpaka M40.

Malamulo olekerera ndi kupatuka: Muyezo wa ISO 965-1 umatsimikizira kulekerera ndi kupatuka kwa ulusi kuti zitsimikizire kusinthasintha ndi kudalirika kwa ulusi.

Ulusi wa ulusi: Mulingo wa ISO 965-1 umatchula ulusi wa madigiri 60 pa ulusi wa metric, womwenso ndi wofala kwambiri pa ulusi wa metric.

2.Unified Thread: Ulusi wa Chingerezi amagwiritsidwa ntchito kwambiri ku United States ndi mayiko ena a Commonwealth, omwe ali ndi mfundo zofanana monga UNC, UNF, UNEF, etc.

3.Pipe Thread: Ulusi wa mapaipi amagwiritsidwa ntchito kwambiri polumikizira mapaipi, ndi miyezo yodziwika bwino kuphatikiza NPT (National Pipe Thread) ndi BSPT (British Standard Pipe Thread) ndi zina.

4.Ulusi wapadera: Kuphatikiza pa ulusi wamba womwe watchulidwa pamwambapa, palinso miyeso yapadera ya ulusi, monga ulusi wapampopi, ulusi wa katatu, ndi zina zotero, zopangidwira zochitika zenizeni zogwiritsira ntchito.

Kusankhidwa kwa zolondolabawutimulingo wa ulusi uyenera kutsimikiziridwa kutengera zofunikira za kagwiritsidwe ntchito ndi miyezo yadziko / chigawo kuti zitsimikizire kuti ma bolts atha kugwiritsidwa ntchito moyenera komanso mosamala pazida zomwezo kapena kapangidwe kake.