Te Tukatuka Rapa Silicone mō te Ahumahi Hikohiko

By Mike Chen, Kaiwhakahaere Whakaputa | 12+ Tau i roto i te Hanga Rapa |LinkedIn

Ngā Whakaaro Matua

• Ko te rapa silicone e whakamahia ana i roto i ngā taputapu hikohiko me whai i ngā ātete tukatuka i roto i te ±0.1 mm mō ngā gaskets me ngā hiri, me te tutuki hoki i te UL 94 V-0 mō ngā wāhanga hikohiko ā-roto.
• Ka tutuki i ngā mīhini tapahi silicone tino tika me te mana whakahaere motuka servo te tika whāngai o te ±0.1 mm i ngā tere tapahi tae atu ki te 120 maripi ia meneti mō te hanga wāhanga hiko.
• Nā te iti o te kaha haehae o te silicone, he uaua te tango i ngā ārai ā-ringa; ko te tango i ngā ārai cryogenic i te -100°C ki te -130°C te tikanga pai mō ngā wāhanga hiko silicone he angiangi te kanapa i raro i te 0.3 mm.
• Mā ngā tukanga horoi me te whakamaroke e toru ngā wāhanga ka tangohia ngā kaihoko tuku pokepokea ai me ngā paru matūriki i mua i te huihuinga, te takai rānei i ngā wāhanga hiko silicone.

Ko te whakautu poto:Ko te tukatuka rapa silicone mō te umanga hikohiko ko te tapahi tika i ngā rau silicone ki roto i ngā gaskets me ngā hiri, te tango i ngā wāhanga hiko silicone kua whakarewahia, te horoi hei tango i ngā kaihoko tuku pokepokea me te poke matūriki, me te whakamaroke whakahaere hei whakatutuki i ngā āhuatanga ā-tinana kua tohua. Nā te mea me whai mana ngā kāpata hiko me ngā wāhanga hiri i roto i te ±0.1 mm me te horoi o te mata e tika ana mō ngā taiao rūma ma, ko ngā taputapu tukatuka aunoa me te whakahaere motuka servo, te hōtaka PLC, me ngā pūnaha horoi maha-wāhanga te paerewa i roto i te hanga silicone taumata hikohiko.

E whakahuatia ana te rapa silicone i roto i ngā taputapu hikohiko mō tōna pumau wera, ōna āhuatanga ārai hiko, me tōna ātete ki te pirau taiao. Ko ngā tono matua ko ngā kiriuhi papapātuhi, ngā hiri hononga, ngā gasket EMI, ngā gasket bezel whakaaturanga, ngā hiri wāhanga pākahiko, me ngā pūtu tiaki mō ngā pana me ngā pūoko. He rerekē ngā whakaritenga tukatuka motuhake mō ia tono i ngā mea hanga silicone whānui nā te mea he pakari ngā paerewa manawanui me te horoi e hiahiatia ana e te huihuinga hiko.

Nā te mea he tata ki te -120°C te pāmahana whakawhiti karāhe o te rapa silicone, ā, he iti te kaha haehae ki te whakatauritea ki ētahi atu elastomers, me whai taputapu me ngā tawhā e hāngai ana ki ēnei āhuatanga ā-tinana mō tōna tukatuka. E kapi ana tēnei tuhinga i ngā wāhanga tukatuka matua — te tapahi, te tango i ngā ārai, te horoi, me te manatoko kounga — mō ngā wāhanga rapa silicone e whakamahia ana i roto i ngā hua hiko.

Ngā tono rapa silicone i roto i te hikohiko: Ngā whakaritenga tukatuka

E toru ngā wāhanga rapa silicone i roto i ngā hua hiko e ai ki te uaua o te tukatuka. Ko ngā hiri me ngā gasket he mea tapahi-mate, he mea tapahi-kisi rānei mai i ngā rau silicone kua oti te whakarite, he matotoru mai i te 0.5 mm ki te 5.0 mm. IaASTM D2000Hei whakarōpūtanga mō ngā hua rapa, ko ngā gasket silicone mō ngā hikohiko ka tohua i raro i ngā karanga raina pēnei i te 2GE705 me ngā whakaritenga pakeke, kume, me te roa e hāngai ana ki te tono.

Ko ngā wāhanga silicone kua whakarewaina — ngā papapātuhi, ngā pūtu, me ngā pouaka ritenga — ka hangaia mā te werohanga kōpeketanga, te werohanga rapa silicone wai (LSR) rānei. Me tango te uira i muri i te werohanga i ēnei wāhanga, ā, ko te uira angiangi e rite ana ki te werohanga LSR me tango te uira cryogenic, te tango rānei i te mata o te mīhini. Ko te tuatoru o ngā kāwai, ko ngā mea whakauru silicone me ngā matū kohua, ka whakamahia hei wai, ka whakamarokehia ki te wāhi kāore he tukatuka mīhini.

E whakamahia ana te UL 94 me te IEC 60068 mō ngā whakaritenga mō te aukati mura me te whakamātautau taiao i roto i ngā tono hiko.

Te Tapahi Silicone Tika mō ngā Wāhanga Hiko

Temīhini tapahi siliconemai i Xiamen Xingchangjia kua hangaia hei tukatuka i ngā pepa silicone me ngā roera ki ngā rahinga tika e hiahiatia ana mō ngā gaskets hiko me ngā hiri. Mā te puku motuka servo o te mīhini me te mana pa-PLC ka taea te whakarite i ngā tauira tapahi me te hohonu me te kōwhiringa mata, ka taea te whakahaere i ngā pepa silicone, ngā ngongo, me ngā āhua ritenga.

Mō te nui ake o te hanga o ngā wāhanga silicone hiko, temīhini tapahi silicone aunoa katoaKa tukuna te mahi tonu me te whakarārangi aunoa. Ko ngā whakatakotoranga matua ko te whānui o te tapahi ka taea te whakarite mai i te kore ki runga, te roa o te mata o te 550 mm, te matotoru o te tapahi mai i te 0 ki te 10 mm, me te tere tapahi tae atu ki te 120 maripi ia meneti. Ka whakamahia e te mīhini he rango hau hei pēhi i te rauemi me te pēhanga ka whakaritea aunoa ki te matotoru o te rauemi, ka whakakorea te whakatikatika puna ā-ringa e kitea ana i runga i ngā taputapu tawhito. Ka aroturukihia e te pūnaha whakahaere PLC te whāngai rauemi, te tatau hua, me te whakarārangi me ngā whakaoho mō te korenga o ngā rauemi me ngā āhuatanga whakarārangi katoa.

Ko te tapahi kihi — te tapahi mā roto i te paparanga silicone engari kaua mā roto i te arai tuku — te tikanga paerewa mō ngā gasket silicone kei muri i te piri e whakamahia ana i roto i ngā pouaka hiko. He mea nui te tika o te whāngai motuka servo o te ±0.1 mm hei pupuri i te ōritetanga o ngā āhuatanga puta noa i ngā mano o ngā wāhanga mō ia puranga.

Te Whakakore i ngā Wāhanga Hiko o te Rapa Silicone

Nā ngā āhuatanga ā-tinana o te silicone ka puta he wero motuhake ki te tango i ngā mea pakaru. Nā te mea he iti te kaha haehae o te rapa silicone, ā, he tino ngāwari, ka piko te uira pokepoke angiangi, kaua e whati i raro i te āwhata ā-ringa. Mō ngā wāhanga hiko silicone he iti iho i te 0.3 mm te matotoru o te uira, ka tūpono te pakaru o te rauemi turanga i te hononga uira mā te tango i ngā mea pakaru. Mā te tango i ngā mea pakaru i te -100°C ki te -130°C mā te whakamahi i te hauota wai ka pakaru te uira angiangi me te tiaki i te hanganga o te tinana silicone, ka taea ai te tango i ngā uira ma me te kore e pakaru te mata.

Mō ngā wāhanga silicone he matotoru ake te kanapa i runga ake i te 0.3 mm, he āhua rārangi wehewehe ngāwari rānei, ka taea te whakamahi i te wetewete ā-ringa me ngā rauemi ngohengohe me te tere hurihuri iti. Ko teMīhini whakakore i ngā pakaru miihini XCJ-G600Ka tukatuka i ngā wāhanga silicone i roto i tōna awhe whānui 3 mm ki te 100 mm ina whakatikatikaina ki ngā tawhā e tika ana, ahakoa e taunakihia ana kia whakamātauhia ngā puranga whakamātautau hei manatoko i te kounga o te mata i mua i te hanga katoa.

Te Horoi me te Whakamaroke i ngā Wāhanga Silicone mō te Huinga Hiko

Me horoi ngā wāhanga hiko silicone i muri i te whakahāngai me te tango i ngā mea tuku pokepokea ai, te puehu mura toenga, me ngā poke whakahaere. Ka taea e ngā mea tuku pokepokea ai te whakararuraru i te hononga piri i te wā o te huihuinga hiko, ā, ka taea e te poke matūriki kawe hiko te whakararu i ngā ara iahiko poto i roto i ngā taputapu kua huihuia. Ko temīhini horoi me te whakamaroke rapahe mea hanga motuhake mō te rapa silicone, ngā taputapu, ngā kirihou, me ngā pouaka hiko, mā te whakamahi i ngā rōpū e toru o ngā tikanga horoi e ono ngā wāhanga ka taea te whakakotahi noa mō ngā taumata poke rerekē.

Mō ngā tono hikohiko e hiahia ana kia hototahi ki te rūma ma, me whakamahi te tukanga horoi i te wai whakakore iona me ngā matū horoi kore-iona, ā, muri iho ka whakamarokehia e te tātari HEPA hei ārai i te poke anō. E ono ngā wāhanga horoi o te mīhini e āhei ai te horoi, te horoi, me te whakamaroke i ngā huringa ka taea te whakarite mō ngā hanganga silicone motuhake. IaIPC-1601I roto i ngā paerewa whakahaere mō ngā huihuinga hiko, me uru ki te manatoko i te horoi te tirotiro tirohanga i te whakanui 10x me te whakamātautau poke ionic mō ngā wāhanga e uru ana ki ngā huihuinga hiko pono-tiketike.

Te Mana Kounga i roto i te Tukatuka Rapa Silicone mō ngā Hikohiko

Ko ngā tawhā kounga e ahu mai ana i ngā whakaritenga noa mō ngā wāhanga rapa silicone i roto i ngā hua hiko kaihoko me ngā hua hiko ahumahi. He rerekē ngā whakaritenga motuhake i runga i te OEM.

Me whai whakaaro te tirotiro i ngā āhuatanga o ngā wāhanga hiko silicone ki te tauwehenga whānui wera o te rauemi, e 3-4 ngā wā teitei ake i te NBR, i te EPDM rānei. Ko ngā wāhanga i inehia i te 25°C ka nui ake pea ki te 0.15% i te pāmahana tohutoro paerewa 23°C kua tohua i roto i te ISO 3601 mō te ine i ngā āhuatanga o te mowhiti-O. E taunakihia ana ngā taiao tirotiro pāmahana-whakahaere mō ngā wāhanga hiko silicone tino tika.

Whakamutunga: Tukatuka Whakauru mō te Rapa Silicone Taumata-Hiko

Ko te tukatuka rapa silicone mō te umanga hikohiko me whai tika i ia wāhanga - mai i te tapahi me te tango i ngā pakaru tae noa ki te horoi me te manatoko kounga. Ko te kaha haehae iti me te aro nui ki te wera o te silicone e hiahia ana ki ngā tawhā taputapu rerekē i ērā e whakamahia ana mō ngā matū NBR, EPDM, FKM rānei. Ko ngā mīhini tapahi aunoa me te mana whakahaere motuka servo, te tango pakaru cryogenic mō ngā wāhanga silicone angiangi, me ngā pūnaha horoi maha-wāhanga e hanga ana i te raina tukatuka paerewa mō ngā wāhanga silicone taumata hikohiko.

Me whakamana e ngā kaihanga e uru ana ki te mākete silicone hikohiko ia wāhanga tukatuka me ngā puranga whakamātautau i mua i te whakaputanga katoa, me te aro nui ki te kōwhiringa tikanga tango i ngā hihi i runga i te matotoru o te uira me te whai huatanga o te horoi mō te tango i te pokepokea ai.