Hei tauira, ki te hiahia koe ki te whakatuwhera i tētahi takirere pūrerehua DN100, PN10, ko te uara taipana he 35NM, ā, ko te roa o te kakau he 20cm (0.2m), ko te kaha e hiahiatia ana he 170N, he ōrite ki te 17kg.
Ko te takirere pūrerehua he takirere ka taea te whakatuwhera me te kati mā te huri i te pereti takirere kia 1/4 te hurihanga, ā, ko te maha o ngā hurihanga o te kakau he 1/4 hoki te hurihanga. Kātahi ka whakatauhia te wā e hiahiatia ana hei whakatuwhera, hei kati rānei e te taipana. Ko te nui ake o te taipana, ko te puhoi ake o te whakatuwheratanga me te kati o te takirere, ko te ritenga kē.
2. Takirere pūrerehua e whakaohohia ana e te taputapu kutukutu:
he mea whakauru ki ngā takirere pūrerehua me te DN≥50. Ko tētahi ariā e pā ana ki te maha o ngā hurihanga me te tere o te takirere pūrerehua taputapu kutukutu e kiia ana ko te "ōwehenga tere".
Ko te ōwehenga tere e pā ana ki te ōwehenga i waenga i te hurihanga o te pou whakaputa o te actuator (wira ringaringa) me te hurihanga o te pereti takirere pūrerehua. Hei tauira, ko te ōwehenga tere o te takirere pūrerehua tāpine DN100 he 24:1, ko te tikanga ka huri te wira ringaringa i runga i te pouaka tāpine 24 ngā wā, ā, ka huri te pereti pūrerehua 1 porowhita (360°). Heoi, ko te koki whakatuwheratanga mōrahi o te pereti pūrerehua he 90°, arā, 1/4 porowhita. Nō reira, me huri te wira ringaringa i runga i te pouaka tāpine 6 ngā wā. Arā, ko te 24:1 te tikanga me huri noa e koe te wira ringaringa o te takirere pūrerehua tāpine 6 ngā wā hei whakaoti i te whakatuwheratanga, te katinga rānei o te takirere pūrerehua.
| DN | 50-150 | 200-250 | 300-350 | 400-450 |
| Whakaitihia te Reiti | 24:1 | 30:1 | 50:1 | 80:1 |
Ko "The bravest" te kiriata rongonui me te tino pārekareka o te tau 2023. He kōrero taipitopito kei reira i tomo ngā kaipatu ahi ki waenganui o te ahi, ā, i huri ā-ringa i te 8,000 hurihanga hei kati i te takirere. Tērā pea ka kī te hunga kāore e mōhio ki ngā kōrero taipitopito "he nui rawa tēnei." Inaa, i whakaaweawe te kaipatu ahi i te kōrero "The bravest" i roto i te kōrero "i huri te takirere i te 80,000 hurihanga, e 6 hāora i mua i te kati.
Kaua e ohorere ki taua tau, i roto i te kiriata he takirere kuaha, engari i tēnei rā e kōrero ana tātou mō te takirere pūrerehua. Kāore e hiahiatia kia maha rawa ngā hurihanga e hiahiatia ana hei kati i tētahi takirere pūrerehua o te DN kotahi.
I roto i te poto, ko te maha o ngā tahuritanga whakatuwheratanga me te katinga me te wā mahi o te takirere pūrerehua e whakawhirinaki ana ki ngā āhuatanga maha, pērā i te momo actuator, te tere rere me te pēhanga waenga, me ētahi atu, ā, me whiriwhiri me te whakarerekē kia rite ki te āhuatanga tūturu.
I mua i te kōrero mō te maha o ngā takahuri e hiahiatia ana hei kati i te takirere pūrerehua, me mārama tuatahi tātou ki te taputapu e hiahiatia ana hei whakatuwhera i te takirere pūrerehua: te actuator. He rerekē te maha o ngā takahuri e whakamahia ana mō ngā actuator rerekē hei kati i te takirere pūrerehua, ā, he rerekē anō hoki te wā e hiahiatia ana.
Te tātaitanga o te wā whakatuwhera me te katinga o te takirere pūrerehua Ko te wā whakatuwhera me te katinga o te takirere pūrerehua e pā ana ki te wā e pau ana i te takirere pūrerehua kia oti mai i te tuwhera katoa ki te katinga katoa, mai i te katinga katoa ki te tuwhera katoa rānei. Ko te wā whakatuwhera me te katinga o te takirere pūrerehua e pā ana ki te tere o te mahi a te kaiwhakahaere, te pēhanga wai me ētahi atu āhuatanga.
t=(90/ω)*60,
I roto i ēnei, ko t te wā whakatuwheratanga me te wā kati, ko 90 te koki hurihuri o te takirere pūrerehua, ā, ko ω te tere koki o te takirere pūrerehua.
1. He takirere pūrerehua e whakahaerehia ana e te kakau:
Ko te tikanga he mea whakamahi i ngā takirere pūrerehua me te DN ≤ 200 (ko te rahi mōrahi ka taea te DN 300). I tēnei wā, me kōrero tātou mō te ariā e kiia nei ko te "taipana".
Ko te taipana e pā ana ki te nui o te kaha e hiahiatia ana hei whakatuwhera, hei kati rānei i tētahi takirere. He maha ngā āhuatanga e pāngia ai tēnei taipana, tae atu ki te rahi o te takirere pūrerehua, te pēhanga me ngā āhuatanga o te pāpāho, me te waku i roto i te huihuinga takirere. Ko ngā uara taipana e whakaatuhia ana i roto i ngā mita Newton (Nm).
| Tauira | Pēhanga mō te Takirere Pūrerehua | ||
| DN | PN6 | PN10 | PN16 |
| Taipana,Nm | |||
| 50 | 8 | 9 | 11 |
| 65 | 13 | 15 | 18 |
| 80 | 20 | 23 | 27 |
| 100 | 32 | 35 | 45 |
| 125 | 51 | 60 | 70 |
| 150 | 82 | 100 | 110 |
| 200 | 140 | 168 | 220 |
| 250 | 230 | 280 | 380 |
| 300 | 320 | 360 | 500 |
3. Takirere pūrerehua hiko:
He DN50-DN3000 te taputapu. Ko te momo e tika ana mō ngā takirere pūrerehua he taputapu hiko hauwhā-huri (koki hurihuri 360 nekehanga). Ko te tawhā nui ko te taipana, ā, ko te waeine ko Nm.
Ka taea te whakarite i te wā kati o te takirere pūrerehua hiko, i runga i te mana, te kawenga, te tere, me ētahi atu o te actuator, ā, ko te tikanga kāore e neke atu i te 30 hēkona.
E hia ngā hurihanga e hiahiatia ana hei kati i te takirere pūrerehua? Ko te wā whakatuwheratanga me te wā kati o te takirere pūrerehua e whakawhirinaki ana ki te tere o te motuka. Ko te tere putanga o tetakirere ZFAmō ngā taputapu hiko noa ko 12/18/24/30/36/42/48/60 (R/min).
Hei tauira, mēnā he 18 te tere hurihuri o tētahi pane hiko, ā, he 20 hēkona te wā kati, ko te maha o ngā hurihanga ka katihia e ia ko te 6.
| MOMO | WHAKATAURANGA | Taipana Putanga N. m | Te tere hurihuri putanga r/min | Wā Mahi | Te Diameter Mōrahi o te Kākano | Wira ringaringa ngā tahuritanga | |
| ZFA-QT1 | QT06 | 60 | 0.86 | 17.5 | 22 | 8.5 | |
| QT09 | 90 | ||||||
| ZFA-QT2 | QT15 | 150 | 0.73/1.5 | 20/10 | 22 | 10.5 | |
| QT20 | 200 | 32 | |||||
| ZFA-QT3 | QT30 | 300 | 0.57/1.2 | 26/13 | 32 | 12.8 | |
| QT40 | 400 | ||||||
| QT50 | 500 | ||||||
| QT60 | 600 | 14.5 | |||||
| ZFA-QT4 | QT80 | 800 | 0.57/1.2 | 26/13 | 32 | ||
| QT100 | 1000 |
He whakamaumahara mahana: Me whakamahi te pana hiko o te takirere i te taipana kia pā ki a ia. Mena he iti te taipana, tērā pea kāore e taea te whakatuwhera, te kati rānei, nō reira he pai ake te whiriwhiri i te mea nui i te mea iti.