I roto i te hanga o ngā wāhanga hiko matua mō ngā motuka me ngā mīhini hanga, he wāhanga nui rawa atu te camshaft o ngā miihini. Ko tōna tika o te āhua me te whakaotinga o te mata ka pā tika ki te putanga mana o te miihini, te maeneene o te mahi me te roa o te mahi. He ngoikoretanga ngā mīhini huri cam tuku iho tae atu ki te kore e tika te mahi miihini, te mahi uaua, te hototahi iti o ngā rauemi me te iti o te pai o te huri. He rite ki ngā hanganga miihini tino tika, he pūnaha CNC atamai matihiko katoa me te hangarau huri tere-teitei CBN vitrified, ko te SUPER T-750CBN katoaMīhini huri porowhita kame CNC CBNE tuku ana i ngā taputapu huri ngaio tino tika, tino aunoa hoki e hototahi ana ki te whānuitanga o ngā rauemi, ā, koinei te whiringa tino pai mō te whakaputa papatipu o ngā camshaft waenga-ki-te-teitei.
1. Ngā Āhuatanga Mīhini Maha mō te Mahi Pūmau me te Pono
1.1Hototahitanga o te Taiao Whakahaere Ngāwari
He kaha te urutau o tēnei mīhini huri ki ngā taiao hanga wheketere. Ka taea te mahi pumau i roto i te awhe pāmahana taiao mai i te 5–50°C me te haumākū whanaunga ≤80%. Ka whakamahia e ia te pūnaha hiko ahumahi paerewa o te AC380V±10% me te 50Hz, e rite ana ki te whirihoranga hiko o te nuinga o ngā awheawhe mīhini. Me pupuri te rohe tāutanga mīhini kia matara atu i ngā pūtake pānga me te wiri. Hei tāpiri, me hiri pūmau ngā paipa hei ārai i te turuturu wai me te hinu, kia mau tonu ai te tika mō te wā roa o te whāngai tika me ngā huihuinga porowhita, me te whakaiti i ngā reiti rahunga taputapu.
1.2Hototahi Whānui ki ngā Wāhanga Mahi Camshaft
He mea hanga motuhake te mīhini mō te miihini camshaft, te tautoko i ngā wāhanga mahi i hangaia ki te maitai waro waenga, te maitai tautoko, te maitai koranu teitei me te maitai koranu waro iti. Ka taea e ia te whakahaere i ngā wāhanga mahi he pakeke te mata mai i te 43 ki te 65 HRC me te whānuitanga miihini o te 2–3 mm, e kapi ana i ngā papa camshaft matua mō te hanga miihini.
2. Ngā Whakatakotoranga Hangarau Matua me te Mahi Hanganga Pai Rawa
2.1Huinga Katoa o ngā Tawhā Hangarau Ngaio
Kei te SUPER T-750CBN ngā tawhā mahi taurite e tutuki ai ngā tono whakaputa camshaft iti me te nui:
- Diameter o te mahi huri: Φ10–260 mm
- Teitei o te pokapū: 160 mm; te tawhiti mōrahi i waenga i ngā pokapū me te roa mōrahi o te huri: 750 mm
- Te taumira whāngai iti rawa o te waka wira huri: 0.0001 mm
- Te kawenga mōrahi o ngā mahi: 80 kg; te tere hurihuri o ngā mahi ka taea te whakarerekē: 0–150 r/min
- Ahu o te wira huri CBN kua whakakikoruatia: Φ510×Φ40×(15–60)×127 mm, tere raina tae atu ki te 80–100 m/s, e peia ana e te motuka matua 30 kW
- Ngā tohu tika o te mīhini: te manawanui o te kōtaha cam ±0.03 mm, te manawanui o te koki tata 0.005 mm/°, te rere o te porowhita turanga ≤0.025 mm, te taratara o te mata huri Ra ≤0.32 µm
- Taumaha mīhini katoa: 7,500 kg; rahinga katoa: 3500×1950×1900 mm
- Whakawhāiti i te miro upoko: Whakawhāiti i te MT Nama 5 Morse, e whakarato ana i te piri pumau mō ngā wahi mahi taumaha.
1.1Ngā Kaupapa Matua o te Hanganga Mīhini me te Pūnaha Whakahaere Atamai
1.1.1Pūnaha Whakahaere CNC Kōrero Ataahua-Kaiwhakamahi
Ka whakamahia e te mīhini te pūnaha CNC Taiwan Syntech 210MA-E5 me te mata pa 15-inihi. Ka whakakapia e ia te hōtaka G-code uaua tuku iho me te mahi kōrero whakairoiro me te tuhinga, ka tutuki ai te mahi tino pai me te kore he mōhiotanga hōtaka ngaio. Ka tautokohia te rokiroki o ngā tawhā mīhini katoa; ka taea e ngā kaiwhakamahi te whakawhiti tere i ngā puranga whakaputa mā te kawemai i ngā kōnae hōtaka kua tiakina. Mā te kawemai me ngā mahi whakatika hapai hapai aunoa o te tēpu hiki cam, ka taea e te whakapiri kotahi te huri tika i ngā āhua o waho katoa o te camshaft, ka whakapotohia te wā tatūnga mō te whakawhiti hua.
1.1.2Moenga Mīhini Āhua-T Pakari me te Tikanga Whāngai Tika-Tiketike Tuaka-Rua
Ka wehea e te moenga mīhini tahora-T te haere whakapae o ngā wahi mahi me te whāngai wira huri roa, e whakarato ana i te pakari hanganga tino pai.
1. Whāngai wira huri tuaka-XE peia ana e te mōta raina Jacobes me te urupare ruri kupenga porowhita-kati, me ngā aratohu raina roera THK taumaha-kawenga. Ka tukuna he pakari me te urupare tino pai, ka whakakore i te tapahi nui i te wa e huri ana i te kamera teitei, me te whakarite i nga whakawhiti kamera maeneene me te tuunga taumata-teitei me te tika o te tuunga tukurua.
2. Whāngai whakawhiti o te mea mahiHe mea hanga ki ngā reera mārō kua pania ki te kirihou kua waruhia ā-ringa, e peia ana e te motuka servo kaha-teitei me ngā tīwiri pōro kawemai, e whakakotahi ana i te tika o te nekehanga me te pakari o te hanganga mō te miihini whiu roa pumau.
1.1.3Wāhanga Hurihuri Waiora me te Wāhanga Whakapaipai Tika
Ko te poro huri matua he poro huri wai-pūmau 7.5 kW me te oma axial me te radial ≤0.002 mm. Ka eke te wira CBN ki te tere hurihuri mōrahi o te 4000 RPM, e tautokona ana e te pūnaha whakamatao wai motuhake me te hiri hau hei whakahaere i te whakarerekētanga wera i te wā o te huri tere-teitei. Mō te whakakakahu wira CBN, ka oma te roera taimana e peia ana e te poro hiko 1.5 kW i te 8000–10000 RPM me te whakahaere tere auau rerekē. Kei waho o te pouaka pane, ka aroturukitia te wae whakakakahu e te pūnaha kite ultrasonic AE hei whakarite i te tika o te mata o te wira.
1.1.4Upoko Matua me te Hiku Waipēhi Tika-Teitei
Ka whakahaerehia tika te poupou upoko e te motuka taipana taipana-teitei me te ine koki, ka tutuki ai te tātaitanga tino tika me te aro o te 0.001°, e tautokona ana e ngā peera poupou tino tika kua honoa mō te pakari teitei. Kua whakauruhia ki te pokapū ora MT Nama 5. Ka whakamahia e te hiku momo-rerenga te taraiwa waipēhi me te here puna, me te haere ringaringa 50 mm me te pokapū motuhake e whai ana i te pito pewa. Ko te tukunga hiku e whakahaerehia ana e te takirere waewae kua honoa ki ngā huringa huri aunoa hei karo i ngā tūponotanga haumaru mai i te mahi hē.
1.1.5Te Whakamatao Kaha-Tiketike me te Parenga Haumaru Katoa
Kei roto i te pūnaha whakamatao whakauru he tāke whakamatao 600 rita, he wehewehe aukume 300 mm te whānui me te wae tango poke vortex me te tere rere mōrahi o te 200 rita/min, te tika tātari o te 30–50 μm me te pouaka whakamatao rumaki 3900 W me te kore he wae tātari pau. Ka hono ngā pūoko taumata rere me te wai ki te pūnaha CNC hei whakaoho aunoa i te whakaoho me te kati mō te tiaki taputapu. Kei roto i te whare pepa whakarewa katoa he whakatuwheratanga o runga mō te ngāwari o te hiki i ngā mea mahi me te tatau haumaru honohono aunoa. Kua tāutahia he taputapu whakaora hauhautanga wai motuhake hei whakahaere i te kohu taumaha i puta i te wā o te huri CBN, me ngā taputapu ārai hapa mō ngā mea mahi.
3. Te Tika o te Mīhini, Ngā Paerewa Whakaae me Ngā Tuhinga Hangarau
3.1Ngā Whakatakotoranga Whakaae Paerewa
Ko te hoahoa, te hanga me te whakaae ki te SUPER T-750CBN e tutuki ana i ngā whakaritenga o GB/T9061—2006Ngā Whakatakotoranga Hangarau Whānui mō ngā Utauta Mīhini Tapahi KonganukuMe whakamātautau tonu te whakaputanga o te 10 ngā wahi mahi mō ia kiritaki, kia whakaaetia ai, me te kore e tahuna te mata o te mīhini, me te mahi pūmau o te mīhini hei paearu mō te whakaoti i te mahi. Ko te wā hurihanga tuturu ka whakatauhia e te whakaaetanga mīhini taha kotahi o ngā hua camshaft motuhake.
3.2Tautoko Katoa mō ngā Tuhinga Hangarau
4. Rārangi Whirihoranga Taputapu Paerewa
Ka tukuna ia mīhini SUPER T-750CBN me te whirihoranga paerewa katoa e whai ake nei:
Whakamutunga
Ko te SUPER T-750CBN katoaMīhini huri porowhita kāmeka CNCKa whakauruhia te whāngai mōtini raina, te porowhita tere-teitei wai-tūturu, te whakakakahu wira atamai AE me te hangarau whakahaere mamati aunoa. Ka tukuna e ia te tino tika o te miihini, te mahi whakaputa papatipu pumau me te mahi ngawari, e tino rite ana ki ngā tono whakaputa kounga teitei me te whai hua o ngā kaihanga porowhita camshaft miihini motuka me te miihini hangarau. Hei huarahi utu-whai hua ki ngā huri porowhita cam kawemai, ka tino arotau i te pai o te whakaputa me te whakaiti i te tere whakakore o ngā waahanga porowhita camshaft tino tika.
Wā tuku: 10-Ākuhata-2026