Hoʻohālikelike ʻana o nā mea hui SMC a me nā mea metala:
1) Ka hoʻokele ʻana
He alakaʻi uila nā metala a pau, a pono e hoʻokaʻawale ʻia ke ʻano o loko o ka pahu i hana ʻia me ka metala, a pono e waiho ʻia kahi mamao e like me ke kāʻei hoʻokaʻawale i ka wā e hoʻokomo ai i ka pahu. Aia kekahi pōʻino huna o ka leakage a me ka hoʻonele ʻana i kahi.
He plastik thermosetting ʻo SMC me ke kūpaʻa o ka ʻili ma mua o 1012Ω. He mea hoʻokaʻawale ia. Loaʻa iā ia ke kūpaʻa insulation hana kiʻekiʻe a me ka volta breakdown, hiki ke pale i nā pōpilikia leakage, mālama i nā waiwai dielectric maikaʻi ma nā alapine kiʻekiʻe, a ʻaʻole e hōʻike a ālai paha. Hiki i ka hoʻolaha ʻana o nā microwaves ke pale aku i ka haʻalulu uila o ka pahu, a ʻoi aku ka kiʻekiʻe o ka palekana.
2) ʻAno
Ma muli o ka paʻakikī o ka hana ʻana o ka metala, he maʻalahi ke ʻano o ka ʻili. Inā makemake ʻoe e hana i kekahi mau ʻano nani, e hoʻonui nui ʻia ke kumukūʻai.
He maʻalahi ke hana ʻana i ka SMC. Hoʻokumu ʻia ia e kahi ʻōmole metala ma lalo o ke ana wela a me ke kaomi kiʻekiʻe, no laila hiki ke kū hoʻokahi ke ʻano. Ua hoʻolālā ʻia ka ʻili o ka pahu me nā puka e like me ke daimana, a hiki ke hoʻoluʻu ʻia ka SMC i kēlā me kēia manawa. Hiki ke hoʻopilikino ʻia nā kala like ʻole e like me nā pono o ka mea kūʻai.
3) Kaumaha
ʻO ke kaumaha kikoʻī o ka metala maʻamau he 6-8g/cm3 a ʻo ke kaumaha kikoʻī o ka mea SMC maʻamau ʻaʻole iʻoi aku ma mua o 2 g/cm3. ʻOi aku ka maikaʻi o ke kaumaha haʻahaʻa no ka halihali ʻana, e maʻalahi a maʻalahi hoʻi ke kau ʻana, a mālama nui i nā kumukūʻai halihali a me ke kau ʻana.
4) Ke kū'ē'ē i ka palaho
ʻAʻole kūpaʻa ka pahu metala i ka pala waikawa a me ka alkali, a maʻalahi hoʻi e popo a hōʻino: inā mālama ʻia me ka pena anti-rust, ʻo ka mea mua, e loaʻa iā ia kahi hopena i ke kaiapuni i ka wā o ke kaʻina pena ʻana, a pono e lawe ʻia ka pena anti-rust hou i kēlā me kēia 2 mau makahiki. Hiki ke hoʻokō ʻia ka hopena pale popo ma o ka mālama ʻana, kahi e hoʻonui nui ai i ke kumukūʻai o ka mālama ʻana ma hope, a he paʻakikī hoʻi ke hana.
Loaʻa i nā huahana SMC ke kūpaʻa maikaʻi i ka pala a hiki ke pale pono i ka pala o ka wai, ka ʻaila, ka waiʻona, ka paʻakai electrolytic, ka waikawa acetic, ka waikawa hydrochloric, nā hui sodium-potassium, ka mimi, ka ʻasphalt, nā ʻano waikawa a me ka lepo like ʻole, a me ka ua waikawa. ʻAʻole maikaʻi ka hana anti-kahiko o ka huahana ponoʻī. Loaʻa i ka ʻili o ka huahana kahi papa pale me ke kūpaʻa UV ikaika. ʻO ka pale pālua e hoʻolilo i ka huahana i ʻoi aku ka hana anti-kahiko: kūpono no nā ʻano ʻino a pau, i ke kaiapuni o -50C—+150 degere Celsius, Hiki nō ke mālama i nā waiwai kino a me nā mechanical maikaʻi, a ʻo ka pae pale he IP54. He ola lawelawe lōʻihi ka huahana a ʻaʻohe mālama.
SMC i hoʻohālikelike ʻia me nā thermoplastics ʻē aʻe:
1) Ke kū'ē ʻana i ka wā ʻelemakule
He haʻahaʻa ke kūpaʻa o nā thermoplastics i ka wā ʻelemakule. Ke hoʻohana ʻia ma waho no ka manawa lōʻihi, e hōʻike ʻia ke kāwele i ka mālamalama a me ka ua, a e loli maʻalahi ke kala o ka ʻili a lilo i ʻeleʻele, māwae a palupalu, a laila e hoʻopilikia ai i ka ikaika a me ke ʻano o ka huahana.
He palakika thermosetting ka SMC, he mea hoʻoheheʻe ʻole a hoʻoheheʻe ʻole ʻia ma hope o ka hoʻōla ʻana, a he kūpaʻa maikaʻi kona i ka pala. Hiki iā ia ke mālama i ka ikaika kiʻekiʻe a me ke ʻano maikaʻi ma hope o ka hoʻohana lōʻihi ʻana i waho.
2) Ke kolo nei
Loaʻa i nā thermoplastics nā ʻano kolo. Ma lalo o ka hana o ka ikaika waho lōʻihi a i ʻole ka ikaika hoʻokolokolo ponoʻī, e hana ʻia kahi nui o ka deformation, a ʻaʻole hiki ke hoʻohana ʻia ka huahana i hoʻopau ʻia no ka manawa lōʻihi. Ma hope o 3-5 mau makahiki, pono e hoʻololi ʻia i ka holoʻokoʻa, e hopena ana i ka nui o ka ʻōpala.
He mea thermosetting ka SMC, ʻaʻohe ona kolo, a hiki ke mālama i kona kūlana mua me ka ʻole o ka deformation ma hope o ka hoʻohana lōʻihi. Hiki ke hoʻohana ʻia nā huahana SMC laulā no ka liʻiliʻi he ʻumi mau makahiki.
3) Paʻa
He kiʻekiʻe ka paʻakikī o nā mea thermoplastic akā ʻaʻole lawa ka paʻakikī, a kūpono wale nō no nā huahana liʻiliʻi, ʻaʻole e halihali i ke kaumaha, ʻaʻole no nā huahana kiʻekiʻe, nui a ākea.
Ka manawa hoʻouna: ʻOkakopa-22-2022
