Hiki ke hoʻokaʻawale ʻia nā abrasive i ʻelua mau ʻāpana: nā abrasives maʻamau (e like me ka alumini oxide, silicon carbide, etc.) a me nā abrasives superhard (diamond, cubic boron nitride, etc.).
ʻOi aku ka paʻakikī o CBN a me Jinzeshi ma mua o nā abrasives maʻamau, akā nui ke kumukūʻai.I ka manawa like, ʻo nā abrasives superhard he mea hoʻokele wela maikaʻi loa (ʻo ka conductivity thermal o daimana he 6 mau manawa o ke keleawe), aʻo nā abrasives maʻamau he mau mea seramika, no laila he adiabatic lākou.
Loaʻa iā Superhard abrasive ka diffusivity thermal kiʻekiʻe, ʻo ia hoʻi, hiki iā ia ke hoʻopau koke i ka wela.ʻO kēia hiʻohiʻona e loaʻa ai ka superhard abrasive i ke ʻano o ka "ʻoki anuanu".ʻOi aku ka maikaʻi o ka pale ʻana o nā abrasive superhard ma mua o nā abrasives maʻamau, akā ʻaʻole kēia mau hiʻohiʻona o nā abrasive superhard i kūpono no nā mea āpau.nā hana wili.
Loaʻa i kēlā me kēia abrasive kona kahua noi kūpono, no laila he mea nui e hoʻomaopopo i nā ʻano o kēlā me kēia abrasive.No ka laʻana, alumina ceramic abrasives - i kekahi manawa i kapa ʻia he seed gel (SG) abrasives a i ʻole ceramic abrasives - ʻoi aku ka maikaʻi o ka pale ʻana a me ka paʻa ʻana o ke ʻano ma mua o ka alumina hehee (maʻamau).Eia nō naʻe, loaʻa i nā ceramic abrasives nā kahua noi kūpono loa.
Alumina: ʻO Al2O3 ka mea abrasive loa.I ka wili ʻana i ke kila paʻakikī, maikaʻi loa ka hana.Ma lalo o ke ʻano o ka ʻaʻahu hoʻomau, hiki ke hoʻopaʻa ʻia nā superalloys kumu nickel.Loaʻa iā Al2O3 ka hiki ke hoʻololi i nā ʻano like ʻolewili ananā kūlana, e like me nā mea palupalu a paʻakikī, ʻoki māmā a me ke ʻoki kaumaha, a hiki ke wili i kahi kiʻekiʻe kiʻekiʻe.
ʻO ka alumina seramika: he ikaika kiʻekiʻe ka alumina ceramic, no laila kūpono loa ia no nā manawa i kiʻekiʻe ai ka ʻoki ʻoki ʻana o kēlā me kēia palaoa abrasive.He maikaʻi loa ka alumina seramika i ka wili cylindrical a me ka mokulele nui i ka wili ʻana i ke kila paʻakikī.Akā ʻaʻole kūpono ia no ka ʻokiʻoki lōʻihi a me ka ikaika haʻahaʻa liʻiliʻi o ka palaoa abrasive hoʻokahi, e like me ka wili ʻana i loko o ka pōʻai, ka ʻai ʻana i nā mea kolo, a me nā mea ʻē aʻe.kila kohu ʻole, superalloy, a pēlā aku inā lōʻihi ka ʻoki ʻana.I kēia manawa, hiki i ka 5 ke ʻano o ke ʻano (lōʻihi ākea ākea) o nā ʻāpana abrasive.
Ka manawa hoʻouna: Jan-02-2023