Ko te hononga o runga o te pu pupuhi he taputapu matua mo te poka hinu. He mea hanga mai i nga rauemi kounga teitei me te mahi pono me te hoahoa tika. Ko te nuinga o te anga, te kohao o roto, te hiri, te hono me te tikanga tuku.
Ko nga mea e whakamahia ana i roto i tenei hua he tino kaha te kaha me te aukati waikura, a ka taea te whakamahi mo te wa roa kaore he kino o te taiao mahi. I te wa ano, he hanganga kiato me te whakaurunga watea, ka taea te whakamahi me nga momo pu perforating.
I roto i te tukanga o te whakamahi, ka taea e te hononga runga o te pū perforating tōtika te whakapai ake i te tika me te pūmautanga o perforating, na te whakapai ake i te auau angitu o te hinu poka poka. He tino tika te tikanga tuku, ka taea te whakarite i te tika o te tuunga o te pu pupuhi me te mana o te hohonutanga o te poka.
He kaha te whakamahi me te pono o te hua. Ka taea te whakamahi i roto i nga momo taiao puna hinu ka taea te urutau ki nga momo whakaritenga perforation. I tua atu, na tona hoahoa tika me te mahi pono, ka taea e ia te whakaheke i te tere o te pakaru me te tupono o nga raru, na reira ka whakarite i te hanga noa o nga puna hinu.
I roto i te poto, ko te hononga o runga o te pu pupuhi he taputapu whakakoi hinu pai-kounga me te pumau, he pai te mahi me te kounga pono, ka taea te whakapai ake i te reeti angitu o te mahi poka hinu me te hanga puna hinu, a he waahanga nui o te hinu. pai te poka.
Kei raro OD | Momo Miro Runga | Momo Miro Raro | Te Whakatau Whakatau | Approx. Taumaha |
2" | 1-3/16-12STUB ACME-2G | 1-11/16-8 STUB ACME-2G | 25000 psi | 3.3lb [1.5kg] |
2-7/8" | 2-3/4"-6Acme-2G | 2-3/8"-6Acme-2G | 12.1lb [5.5kg] | |
3-1/8" | 2-3/4"-6Acme-2G | 13.9lb [6.3kg] | ||
3-3/8" | 2-13/16"-6Acme-2G | 17.6lb [6.5kg] | ||
4-1/2" | 3-15/16"-6Acme-2G | 26.4lb [12kg] | ||
7" | 6-1/4"-6Acme-2G | 59.4lb [27kg] |
*I runga i te tono
Kei raro OD | Rahi O-mowhiti / Miro Runga | Rahi O-mowhiti / Miro Raro |
2″ | AS-215 3.53×φ26.57 | AS-221 3.53×φ36.09 |
2-7/8″ | AS-230 3.53×φ63.10 | AS-329 5.33×φ50.16 |
3-1/8″ | AS-230 3.53×φ63.10 | |
3-3/8″ | AS-231 3.53×φ66.30 | |
4-1/2″ | AS-342 5.33×φ91.45 | |
7″ | AS-361 5.33×φ151.75 |
Tena koa whakapiri mai ki a maatau ka waiho to korero