ʻO nāʻokoʻa i ke kohoʻana i nā mea'ōwili no ka'ōwili anuanu a me nā laina'ōwili wela

I ka ʻoihana wili kila, ʻo nā ʻōwili i hoʻohana ʻia i ka ʻōwili anuanu a me nā laina ʻōwili wela he mau mea koʻikoʻi. Ma muli o nā kaʻina hana like ʻole a me nā kaiapuni hoʻohana o nā mea ʻelua, aia kekahi mau ʻokoʻa nui i ke koho ʻana i nā mea o nā ʻōwili. E ʻimi kikoʻī mākou i nā ʻokoʻa o ke koho ʻana i nā mea ma waena o nā ʻōwili i hoʻohana ʻia i nā laina ʻōwili anu a me nā laina ʻōwili wela.

ʻO ka mea mua, aia kahi ʻokoʻa nui i ka mahana hana ma waena o nā ʻōwili laina ʻōwili a me nā ʻōwili laina wela. Lawe ʻia nā laina ʻōwili wela i nā wela kiʻekiʻe a pono e kū i nā wela a hiki i 1200 ℃. No laila, ʻo ka mea ʻōwili o ka laina ʻōwili wela e pono e loaʻa i ka hana kiʻekiʻe kiʻekiʻe a me ke kūpaʻa luhi wela. Loaʻa nā mea maʻamau i ka hao chromium kiʻekiʻe, ke kila kiʻekiʻe, a me ke kila wela. ʻAʻole mālama wale kēia mau mea i ka ikaika a me ka paʻakikī i nā mahana kiʻekiʻe, akā ke kūʻē i ka oxidation a me ka corrosion wela, a laila e hoʻolōʻihi i ke ola lawelawe o nā ʻōwili.

ʻO ka mea ʻē aʻe, lawe ʻia nā laina ʻōwili anu ma kahi kokoke a kokoke i ka lumi wela, no laila ʻaʻole pono nā ʻōwili e kū i nā wela kiʻekiʻe. Eia nō naʻe, i ka wā o ka ʻōwili anuanu, ma muli o nā koi kiʻekiʻe no ka maikaʻi o ka ʻili o ka metala, ʻo ka paʻakikī o ka ʻili a me ka pale ʻana o nā ʻōwili he mea nui loa. Hana ʻia nā ʻōwili laina anuanu me nā mea e like me ke kila kila kila, ke kila kila kila, a i ʻole ke kila chrome. ʻO kēia mau mea he paʻakikī kiʻekiʻe a hoʻopaʻa i ke kūpaʻa, hiki ke hōʻoia i ka maʻalahi o ka ʻili o nā ʻōwili i ka wā lōʻihi o ka hoʻohana ikaika kiʻekiʻe, a laila e hōʻoia i ka maikaʻi o ka ʻili o ka huahana.

ʻO ka lua, ʻokoʻa nō hoʻi ka ukana a me ke kaomi o nā ʻōwili ma ka ʻōwili anuanu a me nā laina ʻōwili wela. Pono ka laina wili wela e hoʻopili i nā billet kila kiʻekiʻe i loko o nā kikoʻī like ʻole o nā papa kila, a pono nā ʻōwili e kū i ke kaomi nui a me ka hopena, no laila pono ka mea i loaʻa ka ikaika kiʻekiʻe a me ka paʻakikī maikaʻi. ʻO ka laina ʻōwili anu, ma muli o ka lawe ʻia ʻana i nā mahana haʻahaʻa, ʻoi aku ka nui o ka ʻoki a me nā ikaika friction ma luna o nā ʻōwili. No laila, ʻoi aku ka maikaʻi o ke koho ʻana o nā ʻōwili anuanu i ko lākou pale ʻana a me ke kūpaʻa luhi.

Eia kekahi, ʻo ke kaʻina hana o nā ʻōwili laina anuanu e pili ana i nā kaʻina hana lapaʻau ʻili, e like me ka chrome plating, quenching, a me nā mea ʻē aʻe, e hoʻomaikaʻi hou i ko lākou ʻili a me ke kūpaʻa. Eia nō naʻe, ma muli o ka hana ʻana i nā wahi wela kiʻekiʻe, ʻaʻole kūpono kēia mau ʻano hana lapaʻau no nā ʻōwili laina wela. Akā, hoʻonui ʻia kā lākou hana ma o ka hoʻohui ʻana i ka alloy a me ke kaʻina mālama wela o ka mea ponoʻī.

In summary, there are significant differences in the material selection of rolls for cold rolling and hot rolling lines, mainly reflected in the different requirements for working temperature, load, pressure, and surface quality. Hot rolling line roll materials need to have excellent high-temperature performance and thermal fatigue resistance, while cold rolling line roll materials emphasize high hardness and high wear resistance. Understanding and correctly selecting suitable roll materials is of great significance for ensuring the stability of the rolling process and product quality. As always, we sincerely appreciate your support and business. Please do not hesitate to contact ssophie@welongchina.com if you have any questions or concerns. We look forward to continuing our partnership with you.