Fasteners ye fɛn nafamaw ye masinw ka ɲɔgɔndanw na, wa u jogo bɛ nɔ bila minɛnw lakanani n’u ka dannaya la k’a ɲɛsin u yɛrɛ ma. Walasa ka a jira ko sirilanw bɛ sariyaw labato minnu bɛ sirataama, u ka kan ka jateminɛ kosɛbɛ ni sɛgɛsɛgɛli kɛcogo sigilen ye.
Yecogo sɛgɛsɛgɛli ye fɛɛrɛ fɔlɔ ye. Sɛgɛsɛgɛlikɛlaw bɛ fɛn sirilan yɔrɔ lajɛ ni ɲɛ ye walima ni lupu ye walasa ka a dɔn ni fiɲɛ tɛ a la i n’a fɔ a karilenw, a sɔgɔsɔgɔninjɛ, a nɔgɔ ani a sɔgɔlen don. U b’u sinsin a kan k’a lajɛ ni jiriw ma tiɲɛ ani ni u ma tiɲɛ, ani ko jiginni bɛ kɛ kunkolo ni senkɔni cɛ, o b’a to fɛn dilanni nafamafɛn jɛlen si tɛ yen.
Dimension sumani bɛ kɛ ni sumanikɛlan tigitigiw ye i n’a fɔ calipers, micrometers ani thread gauges walasa ka sirilan kunbabaw paramɛtiriw sɛgɛsɛgɛ hakɛ la i n’a fɔ u cɛmancɛ, u janya ani u janya. Sɛgɛsɛgɛliw ka kan ka kɛ ka kɛɲɛ ni dilancogo ja walima izini sariyaw ye (i n’a fɔ ISO, DIN ani GB) walasa ka a jira ko hakɛ muɲuli bɛ dan kɔnɔ min bɛ sɔn. Kɛrɛnkɛrɛnnenya la-kunnafoni sirilanw kama, fɛn wɛrɛw fana ka kan ka suman i n’a fɔ kunkolo janya ani jirisunba juguman.
Masina nafolo sɛgɛsɛgɛli ye fɛɛrɛ jɔnjɔn ye. Tensile testing machine bɛ kɛ ka sirilan ka tension fanga ni a ka sɛnɛ fanga kɔrɔbɔ walasa k’a dɔn ko a ka doni-ta se bɛ fɛnw hakɛ wajibiyalenw dafa. Gɛlɛya sɛgɛsɛgɛliw (i n’a fɔ Rockwell walima Brinell gɛlɛya) fana bɛ kɛ walasa ka a dɔn ko fɛnw funteni furakɛli kɛcogo bɛ bɛn sariyaw ma. Ni sirilanw i n’a fɔ bololanɛgɛw ni nɛgɛw, torque-preload tests walima screw-on tests fana ka kan ka kɛ walasa k’u ka lajɛ kɛcogo jateminɛ.
Kɔrɔbɔli min tɛ -tiɲɛni ye, o bɛnnen don baarakɛminɛnw ma minnu bɛ ɲini. Magnɛtiki fɛnɲɛnamafagalanw sɛgɛsɛgɛli (MT) walima penetrant testing (PT) bɛ kɛ ka sanfɛla walima dugukolo kɛrɛfɛ kariw dɔn; ultrasonic testing (UT) walima radiographic testing (RT) bɛ kɛ ka kɔnɔna nafamafɛnw dɔn, kɛrɛnkɛrɛnnenya la sirilanw na minnu fanga ka bon- walima minnu ka gɛlɛn.
Surface furakɛli sɛgɛsɛgɛli bɛ kɛ ni finimugu janya sumani ye (i n’a fɔ galvanizing), kɔgɔ fiyɛli sɛgɛsɛgɛli (a bɛ se ka sɔgɔsɔgɔ), ani sigida taamasiɲɛw sɛgɛsɛgɛli (i n’a fɔ chrome hexavalent chrome hakɛ) walasa ka a dɔn ko sɔgɔli bɛ se ka kɛ ani ka sariya labato.
A laban na, sɛgɛsɛgɛli kunnafoniw bɛɛ bɛ lajɛ ka kɛ kunnafoni ye, ka bolonɔ bila u la ani ka u sinsin jogoɲinikɛlaw fɛ. Fɛn minnu nafa ka bon, olu bɛ bɔ ɲɔgɔn na, ka u sababu ɲini. Fɛn minnu bɛ se ka kɛ, olu dɔrɔn de bɛ se ka don pakew kɔnɔ walima u lajɛlen na. Nin wale in min bɛ kɛ ka kɛɲɛ ni sariya ye, o bɛ sirilanw ka jogoɲumanya sabatili ni u ka ɛntɛrinɛti lakanani sabati kosɛbɛ.
