Tohu kōpae - e hiahia ana koe ki te mohio i te kaitaraiwa noa

Ko te wira tuatahi i whakaaro roa i mua i tae te motokā. A, no te a na nei i hanga i tenei kitenga nui, e kore e tonu mohiotia ai mo te etahi. Kei te whakapono te reira e te wa tuatahi i whakamahia ai i roto i Mehopotamia neke atu i te rima mano tau ki muri, a puta mai nga wira spoked tuatahi i roto i Ahia (i roto i Turkey hou) i muri i te anō tetahi me te hawhe mano nga tau, a ka rere ratou, puta noa i te ao. Ko nga mea katoa ko reira, tetahi, ara te ultra-hou, wira e te whanaketanga atu o tetahi o nga whakaaro matamua o te taata nei.

E hanga awhi o rino, me te marama alloys. Steel takatakahia i te pepa kotahi, a ka te wahi hono e kakano ia. Ko te hua ko te tika nui-te kounga me te hua roa. E ngāwari whakahokia ratou i roto i te take o te kino. Ratou drawbacks matua e te whai ake: kua ratou he papatipu nui rawa, me te kore e whai pū nui o hanga.

e kore he iho i roto i te kaha o te maitai koranu, engari i te wa ano whakarato whai wāhitanga rahi i roto i te mara o te hoahoa wira. I tua atu, E ratou he pū ahumahi teitei me maitai tango wera i te whakaminenga wahia.

Ahakoa o te rauemi me te tukanga ahumahi, i katoa o enei hua te tohu paerewa. Kei roto kōpae tapanga te mōhiohio e tika ana katoa e pā ana ki te hua. Kei runga i te mata i roto o reira, a me tika roto i runga i te tākai (pouaka, whakapiripiri, polosiua, me ētahi atu).

Na, he aha te mea te tohu o te kōpae? Me pēhea te ki te matau i te tohu? Fakakaukau ki he founga te wira tapanga, he tauira motuhake: 8.5Jx16H2 5 * 120 ET 45 d 74,1, te wahi

• 8.5 - whānui niao (i roto i īnihi).
• J - puka karapiti. Kei reira ngā mōhiohio e pā ana ki pera-ka karanga koropuku (haurangi me te kōpae awhi tubeless mauiui), tikanga ki te mau i te heitiki mauiui.
• x - momo awhi (ritua denoted e "-" i roto i-kotahi - "x").
• 16 - niao diameter (inihi).
• H2 - mōhiohio i runga i te oraraa o Hampi.
• 5 * 120 - te maha o raka nati ranei, me te te diameter o te werohia e ekeeke.
• AND 45 - rere (tango-i roto i) o te kōpae (i roto i te mitamano). Wehenga Ko te tawhiti i waenganui i te kahui (wahi o te wira, i te mea te reira i roto i te whakapā ki te tari) me te waka rererangi o te rohe wira hawhe notional. E nehenehe te reira e rua pai, me te kino ranei kore.
• d 74,1 - hub diameter (i roto i te mitamano).

I tua atu, kōpae tapanga whakarato mōhiohio atu. Kī te whai ake:

• kaiwhakanao kōpae;
• rā ahumahi (te tikanga te tau me te wiki o 1209 te tikanga e hangaia te kōpae e i roto i te wiki 12 o 2009);
• tauhae mana hi'opo'araa;
• mōrahi kawenga wira whakaaetia (i roto i te pauna manokaramu ranei);
• pēhanga tīkina i roto i te tupare;
• X-ray pane tirohanga;
• te tauhae o te State Paerewa (i roto i Russia reira Rostest).

Na e matau ana koutou e pā ana ki te āhua o te kōpae tapanga. Kua kōrero katoa i homai i runga ake. Te āhua tenei ki te waiho i te tukanga uaua, rite nga porotiti tapanga tuhinga, e kore e waiho mo koutou, "he panga Hainamana." Ka taea ki te whiriwhiri he aha te mea tika hoki to koutou waka koe.