ʻO ka papa hana Bolt, ʻo ia hoʻi ka papa hana bolt no ka hoʻohui ʻana i ke kila, ua māhele ʻia i ʻoi aku ma mua o 10 mau māka, e like me 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc. ʻelua ʻāpana, e hōʻike ana i ka waiwai o ka ikaika tensile nominal a me ka lākiō ikaika kulou o nā mea bolt.
ʻO ka manaʻo o ka papa hana bolt ka pae honua ākea, ka bolt o ka papa hana like, me ka nānā ʻole i ka ʻokoʻa o kāna mea a me ke kumu, ua like kāna hana, hiki i ka hoʻolālā ke koho wale i ka pae hana.
ʻO ka pae ikaika 8.8 a me 10.9 magnitude e pili ana i ke kiʻekiʻe o ke koʻikoʻi koʻikoʻi o ka bolt ʻo 8.8 GPa a me 10.9 GPa 8.8 ka ikaika tensile nominal o 800 n / 640 n ka mea i hōʻike ʻia ma ka ikaika "XY", X * 100 = ka ikaika tensile bolt, X * 100 * (Y / 10) = ka ikaika hua o ka bolt (e like me ka mea i ʻōlelo ʻia ma ka logo: ka yield/tensile strength = Y / 10, ʻo ia hoʻi 0. Hōʻike ʻo Y) e like me ka nui 4.8, ʻO ka ikaika tensile o ka bolt: 400 mpa. ʻO ka ikaika hua: 400 * 8/10 = 320MPa. i ka honua i kēia mau lā ʻelua ʻano nui, hoʻokahi no ka ʻōnaehana metric, ʻo ke ana ʻana he mika (m), kenimika (cm), mm (mm), etc. ʻoi aku ka nui, ʻo ka ʻōlelo Pelekania kekahi, ʻo ka ʻāpana ana ka mea nui no nā iniha (inihi), hoʻohana nui ʻia ma ʻAmelika Hui Pū ʻIa, Pelekane a me nā ʻEulopa a me A.ʻāina ʻo ʻAmelika.1.Ana ʻōnaehana metric: 1m =100 cm=1000 mm2, ana ʻōnaehana English: (8) 1 ʻīniha =8 ints 1 ʻīniha =25.4 mm
ʻO nā bolts i hoʻohana ʻia no ka hoʻopili ʻana i nā hale kila i ʻoi aku ma mua o 10 mau māka, me 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9 a me 12.9. ʻO ka lepili papa hana Bolt he ʻelua ʻāpana, e hōʻike ana i ka waiwai ikaika tensile nominal a ka lākiō ikaika piʻo o ka mea bolt. No ka laʻana: bolts me ka helu hana 4.6, ʻo ia hoʻi:
1. ʻO ka ikaika tensile nominal o ka mea bolt hiki i 400MPa;
2. He 0.6 ka lakene ikaika kulou o ka mea bolt;
3. Hiki i ka 400 × 0.6 = 240MPa ka ikaika o ka hoʻoulu ʻana o ka mea bolt.
ʻO ka papa hana 10.9 kiʻekiʻe ikaika bolt, kāna mea ma hope o ka mālama wela, hiki ke hoʻokō:
1. ʻO ka ikaika tensile nominal o nā mea bolt hiki i 1000MPa;
2. He 0.9 ka lakene ikaika kulou o ka mea bolt;
3. Hiki i ka 1000 × 0.9 = 900MPa ka ikaika o ka hoʻoulu ʻana o ka mea bolt.
Ka manawa hoʻouna: Mar-31-2019