Me pēhea e whakapai ake ai i te tōwātanga o ngā hua hōu te Ratonga Whakaprint SLM 3D?

Te mārama ki te Hangarau Whakaputa 3D SLM

Ngā Tikanga Matua o te Melting Laser Kōwhiri

Ko te Melting Laser Kōwhiri (SLM) kei te ahi o te hangarau whakaputa metara 3D. Ka whakamahia e ia he rama lazer pūhiko nui hei whakakotahi i ngā paparorohiko metara ki ngā hanganga taarua me te tino whai whakaaro, e hiahiatia ana mō ngā whakamahinga e hiahiatia ana te tika o te rahi. Ka tīmata te tikanga ki te kuhu i te paparorohiko metara māmā ki runga i te papa whakapapa. Ko te rama lazer ka tanu i te paparorohiko kia kōwhiri ai ki te kōnae CAD, ka whakapumautia ia paparorohiko ina makariri. Ka tāpae tēnei tikanga paparorohiko-whai-whai i te tika kāore he tāone ki te hua mutunga. Ko te mārama tika ki te whakapāwhara he mea nui mō te SLM nā te mea ka whakahaere ia i te huringa me te whakapumutanga o ngā metara, na reira ka whakapai ake i te tika o te whakaputa me te tika.

Te Whakapapa Paparorohiko Whai-Whai mō te Tika

Ko tētahi o ngā āhuatanga matua o SLM ko tana whai āwherawhera ki te hanga i ngā āhua pīroiroi ka taea e ngā tikanga hāngai ai i ngā wā katoa. Ko te whirihoranga i te rahi o ia papanga he mea matua hei whakapai ake i te tika me te whakauru i ngā āhuatanga ki te hoahoa tuatahi. Ko te āhua tapa kōpuru o SLM e whakakaha ai i te aki i te tātata me te hanga i ngā āhua pīroiroi, e hāngai ai i te kaha o te hāngai tikanga. I tua atu, ko te rahi o ia papanga e pa ana tikangia ana ki ngā āhuatanga mekanik o te hua whakamutunga, e wātea ai ngā whakamahinga ki ngā hoahoa mōrearea, me ngā hoahoa matua. Kua whakaatu ngā tauāko pātai i te kaha o tēnei tikanga, e whakaatu ana i tana kaha ki te hanga i ngā wāhanga tikanga tikanga mō ngā umanga kei reira ko te tika he mea nōna.

Ngā Āhuatanga Matua e Tiaki ai i te Tika o te Āhua

Te Whirihoranga Ahi me te Tūranga o te Ahi

Ko te whakaritenga arotau he āhua matua o te whakapau kaha i te tika o ngā āhua i ngā tikanga o te Awherowhio Arotau Laser (SLM). Ko te whakauru tika i te punaha arotau ki te whakapapaku pumice hiriwa te mea matua; he whakarereke hoki ka hua mai i ngā wehenga nui. Hei tauira, kā te whakarite ake i te whārangi o ngā tārata e 0.1 mm ka taea ngā ngoikera ki ngā wāhanga tāpoi. Ko ngā tirohanga tatauranga me ngā whakarereketanga ki te punaha tohu aroaro he mea matua hei whakapau ake i te tika. Ka taea e tātou te whakauru i ngā tikanga whakaritenga matua, pērā i te whakamahi i ngā taputapu whakauru mātā, hei whakapai ake i te kounga me te tukatuka tātai o ngā taarua.

Ngā Tikanga Whakahaere Whakapiri

He nui te whakahaere whakaputa hei whakapono i te tika o te rahi me te aukati i te whakapōkai i ngā SLM. Ko te whakauru mai i te whakaputa me te whakakaha i te wā o te mahi hei aukati i te raru o te wera. Ko te whakamahi i ngā whakaahua wera me ngā kaiwhakauru hei whai mōhio i te tuanui o te wera i te wā pono he mea nui kia tika ai ngā tāparenga o te tuhinga. I ngā rangahau hou ka tūhono te whakapai ake i te rauropi wera e iti ake ai ngā ngoikera e 30%, e toa ai te nui o tana mahi mō ngā tāone tika. Mā te whakahaere tika i ngā tikanga wera, ka iti ake ngā ngoikera o te hanganga me te whakapai ake i te kounga o ngā tuhinga.

Te Tōwai o ngā Rauemi me te Kounga o te Pataro

Ko te ōweo o te taraiwa me te kounga o te para taraiwa he wāhi matua nui ki te whiwhi i te tika o ngā āhua ki SLM. Ko te kounga o te para taraiwa hiriwa e pa ana ki te tōpūtanga o te paraihe me te whakakaha, ka tāke ki te ū ki te rahi me te wehenga o ngā para taraiwa. Mā te mārama ki te mātai para taraiwa me te whai i ngā tātai whakamātua, ka taea e tātou te whakapono he ū ana ngā para taraiwa ki ngā here e hiahiatia ana mō ngā tākupu kounga teitei. Ko ngā kaiwhakauru, i te tauwehe rānei o ngā taraiwa e āwhina ai ki ngā ngoikera, i te kōtaha ko ngā para taraiwa kounga teitei ka whakapai ake i ngā āhua mekanik me te tika. Ko te whakamahi i ngā taraiwa pai anake e whakapumau ai i ā tātou tākupu he tika, he whakapono hoki.

SLM vs. Ngā Tikanga Whakarewa Hiriwa 3D Kua Whakarewahia Kē

Te Whakarewa i SLM ki DMLS me Binder Jetting

Ko SLM (Selective Laser Melting) me DMLS (Direct Metal Laser Sintering) he whakamahi anō hoki i te tāone rākau mō te whakaputa i ngā tikanga 3D, engari he rerekē te rerekētanga o te rāwekenga me te tukatanga o ngā rauemi. Ko te SLM e rāweke ana i te pātītī rākau, e whakaae ai i te hanga i ngā wāhanga kīato, kaha hoki, nō reira he tino pai mō ngā āhua pīroiroi. I te tuarangi, ko te DMLS e rāweke paku ana i te rauemi, e hua ai ngā rerekētanga iti nei i te āhua o te mata me ngā āhuatanga o roto. E rua atu ngā pūnaha e whakarato ana i te tika, engari ko te tikanga rāweke tōtika a SLM e hua ai i te tika otinga pai ake. I te taha e, ko Binder Jetting e whakamahi ana i te kaiwhakakaha e here ai i ngā pātītī rākau. Ahakoa he iti ake te utu me te tere ake o te whakaputa, he iti ake te tika i te kaha me te tika ki te whakarite ki te SLM. Ko ngā tauānga kei te whakapumau i te āhua pai ake o te mata SLM me te āhua whakapapa rerekētia i te Binder Jetting, nō reira he kōwhiringa tino pai ki ngā umanga e hiahiatia ana te inihua inuianu.

Ngā Painga i runga i CNC Whakatika ā Te Maka Maama

Ko te SLM he painga motuhake i ngā tikanga whakaputa tūmatanui pērā i te whakamahi CNC me te whakapaku hau. Kua whakamahia te tikanga CNC hei tikanga tāpiripiri, ka taea e SLM te whakapapa i ngā āhua pīroiroi, tae atu ki ngā hanganga ka uaua, te nui rānei te rite ki te whakamahi. Ko te nui o te whakaaetanga ka whakakea i ngā whai wāhi hoahoa mō ngā inihana. Anō hoki, ko te whakapaku hau ka herea e ngā hoahoa mātāpuna, ka taea hoki e rite ki te roa o te wā me te utu. I te katoa o te whakamā, ka mutu te hiahiatia o ngā mātāpuna e SLM, ka heke te utu, ā ka whakaaetia te nekehanga tere o ngā hoahoa. Ko ngā raraunga tātai anō hoki e tautoko ana i tēnei; ka heke te SLM i ngā wā e hiahiatia ana kia tere ake hoki i te wā ki te maakete mō ngā waahanga tika, e hinga ai hei taputapu matua ki ngā umanga e whai whakamōhio ana ki te tere me te whakaaetanga. Ko ēnei āhuatanga e whakapōpō ana i te SLM kia whai whakamahinga anō hoki kia whakakea ai i te raweke o ngā kaiwhakamataara me ngā rereke o te whakaputa.

Ngā Tikanga Hoahoa Pai mō te Tika o SLM

Te Whakapai ake i ngā Tūāpapa Tautoko

Kei te matua nui te whakapai ake i ngā tūāpapa tautoko ki te Mahinga Rā Laser Kōwhai (SLM) kia mau tonu ai te tika me te pūmahara o te āhua i te wā o te tāwhai. Mā te whanaketanga i ēnei tautoko kia māmā noa te kaihanga me te āhua motuhake, ka taea e tātou te whakaiti i te whakamahinga o ngā rauemi me te prevetion i ngā kaha o te wera, nō reira ka whakapai ake i te tika o te wāhanga whakamutunga. Hei tauira, te whakamahi i ngā tautoko e noho ana i ngā wāhi takotoranga e whakaiti ai i te mōrearea o te whakapiripiri wāhanga, he take noa mai i ngā āhua pīroiroi. I whai panonitanga mai i te rangahau ka whakaiti i te wā tāpiri tāwhai te whakapai ake i te kounga tāwhai, nō reira ko te tūāpapa tautoko tētahi kaiwhakamahi matua ki te whakapai ake i te SLM.

Te Tautohu i te Momo Mātā me te Momo Hōhō

I roto i te SLM, ko te whakapaku me te whakapōuri he mea tūpono pea nā ngā rerekētanga o te wera, e nui ana te whai whakaaro ki ēnei āhuatanga i te wā o te whanaketanga hoahoa. Ko ngā panonitanga i te wā o te hoahoa, e āwhina ana ngā taputapu tātai, e whakaae ai i te tūranga ki te whakatika i ēnei whakapōuri kia tūpono ai te hua whakamutunga ki te tātenga o ngā āhua. Kua whakaaturia e ngā ripoata umanga he aha, ko te whai whakaaro ki ēnei whakapōuri e taea ai e te whai rawa te whakapai ake i te tika o te 25% i ngā wāhi katoa. Ko te whakatinana i te utu whakapaku me te whakamahi i ngā tauira mō te mōhiotia e te pāpaku e nui ake ai te tika o ngā tāwhā o ngā tākupenga whakamutunga.

Ngā Tikanga Whakawhitinga Kātata hei Whakapai i te Tika

Ngā Whakawhitinga Wherangetanga hei Whakamāmā i te Kaha

Ko ngā raihana whakamāmā i te wera he mea matua ki te wā o muri i te tukatanga mō ngā wāhanga kirihou e hangaia ana ki te 3D, e whai ana kia whakapai ake i te pāmahana o te āhua me te mahi. Ko tēnei tikanga he mea matua nā te mea ka whakamāmā i ngā kaha toto e wātea ana ka taea e te whakapōuri, kia tiakina ai ngā wāhanga kia tāwhai i te āhua e hāngai ana me te whakapono i te kaha o te hanganga. E ai ki ngā ako whakapapa, ko te tukatanga i muri i te wā he taea te whakapai ake i te tika o te āhua e whakaiti ai i ngā take o te whakapōuri.

Ngā Tikanga Kombi o te Whakamutunga Akoiri me te Rīwhai CNC

Ko te whakakotahi i te CNC machining me te SLM e whakarato ana i tētahi huarahi takotoranga e whakamahi ana i te tika o ngā tikanga ake hei whakapai ake i te tika o ngā wāhanga kua whakaputahia ki te 3D. Ko ngā tikanga whakamutunga i te mata, pērā i te whakapuru me te kiriata, kāore anō pea i te whakapai ake i te āhua engari ka āwhina hoki ki te eke atu ki te tika ake. Ko ngā tauāka arataki e whakaatu ana ko ngā mahi takotoranga e ono ana e ono ana i te whakapai ake i te kounga mata, ko te mea nui tēnei mō ngā umanga e here ana i te tikanga tika teitei.

Ngā Whakamahinga O Rawa o te SLM Tika Teitei

Ngā Wāhanga Waka Angitu me ngā Tolerances Tāwhai

I te ao o te hauropi, kāore i te nui ake te whakaaetia o ngā pānga tata ki ngā wāhanga. Ko te umanga e noho tāroa ana ki te Melting Laser Kōwhai (SLM) nā tana āhua e hāngai ai ki ngā whakaritenga whakahirahira. Ko ngā wāhanga hangaia ki te SLM e whai tikanga herekai ana i te nui o te āhua me te whanui o te taumaha ki te kaha, e whai hua ana mō te whakamahi i te hauropi. Ko te tikanga e āhua whai hua ana ki te whakarato i ngā wāhanga e tino whakauru ana, me te nui ake hoki i ngā tātai mahi. E ai ki ngā ripoata umanga, ko te whakamahi i te SLM ki te hanga umanga hauropi he āwhina nui ki te penapena i ngā utu, i te wā kotahi ka whakapai ake i ngā āhuatanga mahi o ngā wāhanga hangaia.

Ngā Tāutu Hauora e Hiahi ana i te Tika o te Rōpuna

Kei te mātukutuku hoki te rāngai hauora i te whakarere i te whakauru ki te SLM i te whanaketanga o ngā taputapu e herea ana i te rahi o te rahi o te rahi. Mā tēnei ara hou e waihangahia ai ngā hoahoa ritenga me te tōtika o te tinana e tino hiahiatia ana e ngā here o te māmā. Ko te tōtika o te nuinga he whakapai ake, e kitea ana i te āhua o te hanga SLM hei whakaratonga i ngā āhua rahi o te rahi. Ko ngā ako whakamātautau e whakakaha ana i te āhua o ngā taputapu SLM hei whakapai ake i ngā wā whakamahinga o te māmā me ngā putanga katoa. Ko ēnei whakapai ake he nui ake te tōtika me te whakaritenga e waihangahia ai te SLM, e hāngai ai hei whakapai ake i te hangarau i te hauora.