I ka hoʻomaka ʻana o ke kenekulia 18, aia ka micrometer ma ke kahua o ka hana ʻana i ka hoʻomohala ʻana i ka ʻoihana mīkini.ʻO ka micrometer kekahi o nā mea hana maʻamau maʻamau i ka hale hana.E hoʻolauna pōkole i ka mōʻaukala hānau a me ka ulu ʻana o ka micrometer.
1. Ka ho'āʻo mua e ana i ka lōʻihi me nā kaula
Ua hoʻohana mua nā kānaka i ka loina o ka milo e ana i ka lōʻihi o nā mea i ke kenekulia 17.I ka makahiki 1638, ua hoʻohana ʻo W. Gascogine, ka mea kilo hōkū ma Yorkshire, ʻEnelani, i ka loina screw e ana i ka mamao o nā hōkū.I ka makahiki 1693, ua hana ʻo ia i kahi lula ana i kapa ʻia ʻo "caliper micrometer".
He ʻōnaehana ana kēia me kahi ʻuala i hoʻopili ʻia i ka huila lima ʻōwili ma kekahi ʻaoʻao a me kahi maiuu hiki ke hoʻoneʻe ʻia ma kekahi ʻaoʻao.Hiki ke loaʻa ka heluhelu ana ma ka helu ʻana i ka ʻōwili ʻana o ka huila lima me ka bezel heluhelu.Hoʻokahi pule o ka pālākiō heluhelu e māhele ʻia i 10 mau ʻāpana like, a ua ana ʻia ka mamao ma ka hoʻoneʻe ʻana i ka maiu ana, ʻo ia ka mea e ʻike ai i ka hoʻāʻo mua ʻana o ke kanaka e ana i ka lōʻihi me nā kaula.
2. Watt a me ka micrometer desktop mua
He kenekulia ma hope o ka hana ʻana o Gascogine i kāna mea ana, ua haku ʻo James Watt, ka mea nāna i hoʻokumu i ka mīkini mahu, i ka micrometer desktop mua i ka makahiki 1772. ʻO kahi kumu nui o kāna hoʻolālā ʻana ʻo ia ka hoʻonui ʻana ma muli o ke kaula wili.ʻO ka hoʻolālā hoʻolālā ʻano U mua i hoʻohana ʻia e James Watt ma hope i lilo i mea maʻamau no nā micrometers.Inā ʻaʻole kāna mōʻaukala micrometers, e hoʻopau ʻia ma ʻaneʻi.ʻāpana mīkini CNC
3. Ua kūʻai mua ʻo Sir Whitworth i ka micrometer
Eia nō naʻe, ʻo James Watt a me Mausdlay's bench micrometers no kā lākou hoʻohana ponoʻī.ʻAʻohe mea ana ʻana pololei ma ka mākeke a hiki i ka hapa hope o ke kenekulia 19.Ua lilo ʻo Sir Joseph Whitworth, ka mea nāna i hoʻokumu i ka "Whitworth thread" kaulana, i alakaʻi i ka hoʻolaha ʻana i nā micrometers.CNC
4. Ka hānau ʻana o ka micrometer hou
Loaʻa i nā micrometers maʻamau o kēia wā he ʻano ʻano U a me ka hana lima hoʻokahi.Nui nā mea hana e hoʻohana i ka hoʻolālā maʻamau o nā micrometers.Hiki ke huli ʻia kēia hoʻolālā maʻamau i ka makahiki 1848,
i ka wā i loaʻa ai i ka mea hoʻokumu Palani ʻo J. Palmer kahi patent i kapa ʻia ʻo Palmer system.ʻO nā micrometers o kēia wā kokoke e hahai i ka hoʻolālā kumu o ka ʻōnaehana Palmer, e like me ke ʻano U-like structure, casing, sleeve, mandrel, a me ana anvil.ʻAʻole hiki ke helu ʻia ka hāʻawi ʻana o Palmer i ka mōʻaukala o ka micrometer.ʻāpana kaʻa CNC
5. Ka ulu ʻana a me ka ulu ʻana o ka micrometer
Ua kipa aku ʻo Brown & Sharpe o ʻAmelika Hui Pū ʻIa B&S i ka Paris International Exposition i mālama ʻia ma 1867, kahi i ʻike ai lākou i ka micrometer Palmer no ka manawa mua a hoʻihoʻi mai i ʻAmelika Hui Pū ʻIa.Ua aʻo pono ʻo Brown & Sharpe i ka micrometer a lākou i hoʻihoʻi mai ai mai Palisa mai, a hoʻohui i ʻelua mau ʻano hana:
he mīkini e hiki ai ke hoʻomalu maikaʻi i ka wiliwili a me ka mea hoʻopaʻa ʻana i ka spindle.Ua hana lākou i kahi micrometer pocket i ka makahiki 1868 a hoʻokomo i ka mākeke i ka makahiki aʻe.
Mai ia manawa, ua wānana pololei ʻia ka pono o nā micrometers i nā hale hana hana mīkini, a ua hoʻohana nui ʻia nā micrometers kūpono no nā ana like ʻole me ka hoʻomohala ʻana i nā mea hana mīkini.
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Ka manawa hoʻouna: Jan-07-2021