Ngā mātāpono taketake me te tohungatanga tono o te pauna maha-upoko

Kaituhi: Smartweigh– Taumaha Upoko Maha

Ko te kaupapa matua me te tohungatanga tono o te pauna maha-upoko Ko te pauna maha-upoko no te pūoko kume me te pēhanga, e whakamahia whānuitia ana i roto i te ine tika o ngā raraunga pūmau me te ine tika hihiri. 1. Ko te whakamāramatanga o te pauna maha-upoko e whai whakaaro katoa ana ki te whakaterenga ā-papa (g) o te wāhitau tono me te pūmau (f) o te wai hau, e ai ki te huringa o tētahi o ngā mea i ine tika (kounga) ki tētahi atu i ine tika (putanga). ) hei ine tika i te kounga o te pūoko kaha. 2. Ko te ariā matua o te pauna maha-upoko Ko te elastomer polyurethane (te wehewehe wiri, te hihi tairongo ake) ka puta he whakarerekētanga rapa i raro i te kaha o waho, kia puta ai he whakarerekētanga o te ine tauhohenga ātete (wāhanga whakawhiti) e whakapirihia ana ki tōna mata, ā, ka rerekē te ine tauhohenga ātete. Whai muri i tēnā, ka huri tōna uara ātete (ka whānui, ka heke rānei), kātahi ka hurihia te ātete hei tohu hiko mā te ine tika o te ara iahiko tuku hiko, kātahi ka oti te tukanga katoa o te huri i te kaha o waho hei tohu hiko.

Ehara i te mea uaua ki te kite ko ngā ine taumahatanga ātete, ngā elastomer polyurethane me ngā ara iahiko hiko whakamātautau he maha ngā wāhanga matua e kore e ngaro i roto i tētahi pauna taumahatanga ātete maha-upoko. Ka whakamāramahia pototia ēnei taumata e toru i raro nei. 1. Ine taumahatanga ātete Ko te ine taumahatanga ātete he taputapu miihini waea whakamahana hiko e horahia ana ki runga i tētahi papa i hangaia ki ngā rauemi waro, arā, he ine taumahatanga ātete.

Ko tētahi o ana tawhā matua ko te taupū pūkenga K. Ina pāngia ōna taha e te kaha F, ka totoro pea, arā, ka puta he āhua rerekē. Mēnā ka totorohia, ka iti haere tōna horahanga whakawhiti-wāhanga, arā, ka heke te haurua porowhita whakawhiti-wāhanga.

He ōrite te whanaungatanga i waenga i te tauwehenga ātete o te ine taumahatanga ātete (te huringa whanaunga o te ātete) me te roa o te waea whakamahana (te huringa whanaunga o te roa me te poto). Me mārama ko te rahi o te uara tohu aro K he tawhā e whakatauhia ana e ngā āhuatanga o te rauemi mata mō te hanga waea whakamahana whakarewa. Kāore he pānga ki te āhua me te rahi o te ine taumahatanga ātete. Ko te uara K o ngā rauemi mata rerekē kei roto i te 1.7—3.6 Waenga; ko te uara K e whai ake nei he rahinga kore-ahu, arā, kāore he ahu. I roto i te miihini hangarau, ka kiia te ΔL/L ko te kaha taumahatanga, e tohuhia ana ko ε, ā, he maha ngā wā e whakamahia ana hei tohu he tino nui te ngāwari, he tino whakararuraru. He maha ngā wā e whakamahia ana ko te kotahi miriona o te hinonga, e tohuhia ana ko με.

2. Elastomer Polyurethane He wāhanga ahurei te elastomer Polyurethane. E rua āna mahi. Tuatahi, ka mau i te kaha o waho o te pauna maha-upoko, ka puta he kaha hokihoki ki te whakatutuki i te taurite; He pai te ine taumahatanga ātete e piri ana ki tēnei wāhi mō te mahi o ia rā ki te huri i te kaha taumahatanga me te tohu hiko. 3. Tirotiro i te ara iahiko tuku hiko Ko te mahi o te tirotiro i te ara iahiko tuku hiko ko te huri i te ātete o te ine taumahatanga ātete ki te putanga ngaohiko mahi.

Nā te mea he maha ngā painga o te piriti Wheatstone, pērā i te kaha ki te pehi i te kino o te huringa pāmahana, te pehi i te awe o te kaha taha, me te ngāwari ki te whakatau i te raruraru utu o te pauna maha-upoko, kua whānuitia te whakamahinga o te piriti Wheatstone i roto i te pauna maha-upoko. Nā te mea ko te ara iahiko piriti ringa pērā i te mekameka kohikohi katoa te mea tino tairongo, he rite tonu ngā tawhā matua o ia ringa, ā, he tino ngāwari te whakataurite i ngā tūponotanga o ngā awe rerekē, nō reira ka whakamahia e te pauna maha-upoko te mekameka kohikohi katoa me ētahi atu ara iahiko piriti ringa.

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