ʻIke pinepine mākou i nā mea ʻelua, ʻo nylon a me polyurethane, i nā huahana like ʻole, ʻoi aku hoʻi ma ke kahua o nā casters. Akā he aha ka ʻokoʻa ma waena o lākou, ʻo wai ka mea i ʻoi aku ka maikaʻi o ka hana? E ʻimi pū kākou.
ʻO ka mea mua, pono mākou e hoʻomaopopo i ka ʻokoʻa nui ma waena o kēia mau mea ʻelua. I ka ʻōlelo maʻalahi, he mea elastic ka polyurethane i ʻoi aku ka palupalu, no laila ʻaʻole ia he walaʻau nui a ʻoi aku ka nui o ka friction. ʻO ke ʻano kēia, ʻoi aku ka mālie o nā casters polyurethane i ka hana, akā ʻaʻole paha e like me ke kūpaʻa i ka ʻaʻahu e like me nā casters nylon.
A he mea paʻakikī ka nylon, nona ke kūpaʻa maikaʻi loa i ka ʻānai ʻana. No laila, inā makemake ʻoe i kahi mīkini wili me ka hiki ke hoʻouka nui a me ke kūpaʻa ʻana i ka ʻaʻahu, ʻoi aku ka kūpono o nā mīkini wili nylon iā ʻoe!
No ke aha lā i ʻokoʻa ai kēia mau mea ʻelua? ʻOiaʻiʻo, pili ia i ko lākou ʻano kemika ponoʻī a me nā waiwai. Hana ʻia ka Polyurethane ma ka polymerizing isocyanate me nā hui hydroxyl, a he kūpaʻa maikaʻi kona i ka ʻaila, ka paʻakikī, ke kūpaʻa i ka abrasion, ke kūpaʻa i ka ʻelemakule a me ka hoʻopili ʻana. ʻO ka Nylon, ma ka ʻaoʻao ʻē aʻe, he kūpaʻa kiʻekiʻe kona i ka wela, ke kūpaʻa i ka luhi a me ke kūpaʻa i ka abrasion, a me ka ikaika mechanical maikaʻi loa a me ke kūpaʻa dimensional.
Ka manawa hoʻouna: Aug-12-2024