ʻO Bolt kahi ʻāpana mechanical maʻamau, hoʻohana pinepine ʻia i nā wahi he nui, ʻo ia ma ke poʻo a wili i ʻelua ʻāpana o kahi hui o nā mea hoʻopili, pono e hoʻohana pū me ka nut, i hoʻohana nui ʻia e hoʻopaʻa i ka pilina o nā ʻāpana ʻelua me nā puka. ʻAʻole paha ʻoe i ʻike i ke ʻano papa o ka bolt, e hoʻolauna kēia ʻatikala iā ʻoe i ka mea bolt, ka ʻike pili i ka pae, i mea e aʻo ai i nā poʻe he nui e ʻike i kēia mau waiwai liʻiliʻi o ka bolt.
He aha nā māka a me nā mea hana o nā bolts e pili ana?
ʻO ka helu Bolt e pili ana i ka bolt he 4.8grade, 8.8 grade, 10.9 grade a me nā papa bolt ʻē aʻe.
ʻO nā mea e pili ana i ka bolt i hana ʻia i nā mea, e like me Q235, 35K, 40Cr, 45 # kila, 35CrMo kila, 304 stainless steel a me 316 stainless steel a pēlā aku.
ʻO ka papa Bolt a me nā mea waiwai kahi pilina pili, hiki i ke kila māmā ke hana i nā bolts haʻahaʻa haʻahaʻa, hiki i ke kila kalapona waena ke hana i nā bolts pae ikaika waena, ke kila kalapona kiʻekiʻe, hiki i ke kila kila ke hana i nā bolts kūlana kiʻekiʻe. Hōʻike kekahi papa bolt i ka haku mele a me nā waiwai mechanical, akā no ka hoʻoholo ʻana i ka mea.
Eia ka papa inoa o nā māka maʻamau o nā bolts hiki ke lilo i mea waiwai. Hiki i ka pae 4.8 ke Q235, Q195 a me nā mea kila māmā ʻē aʻe. 5.8 pae Q235 ma luna o nā mea a pau e hiki ke, 'aʻole pono wela lapaʻau. 8.8 pae pae kaula anawaena o 16MM a emi mai, 35 # hoʻomaʻamaʻa wela, 16mm a ʻoi aku paha, 45 # a me ka haʻahaʻa kalapona hoʻoheheʻe kila. 10.9 kiʻekiʻe o ka waena-carbon alloy steel tempering Heat treatment 35Crmo 40Cr a pēlā aku.
Hiki ke ho'oka'awale 'ia nā wili ikaika ki'eki'e mai nā kī ma'amau e kā lākou mea?
Hoʻokaʻawale ʻia e like me ka māka ikaika.
ʻO ka pae hana Bolt 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 a pēlā aku ma mua o 10 mau māka, ʻo ia ka 8.8 a ʻoi aʻe o nā kī i hana ʻia me ke kila haʻahaʻa kalapona a i ʻole ke kila kalapona waena a me ka wela-hana ʻia (hoʻomaha ʻia i ka wela), ka mea maʻamau i ʻike ʻia e like me ke kiʻekiʻe. ʻike nui ʻia he mau kī maʻamau. ʻO ka hōʻailona pae hana ʻo Bolt he ʻelua ʻāpana o ka haku mele kikohoʻe, ʻo ia hoʻi, ʻo ka ikaika tensile nominal o ka waiwai bolt a me ka waiwai flexural strength ratio.
No ka laʻana, ʻo ka pae hana 8.8 grade bolts, ʻo ia ka manaʻo:
1, bolt material nominal tensile ikaika o 800MPa pae;
2, ka lākiō o ka ikaika o ka bolt mea o 0.8;
3, ka ikaika o ka hua o ka mea bolt a hiki i ka 800 × 0.8 = 640MPa pae o nā bolts ikaika kiʻekiʻe i hoʻohana pinepine ʻia no ka pae 8.8 a me 10.9, ʻo nā bolts maʻamau i hoʻohana pinepine ʻia no ka pae 4.8.
Ka manawa hoʻouna: ʻAukake-28-2024
