Horraantii qarnigii 18-aad, mikrometer-ku wuxuu ku jiray marxaladda wax soo saarka ee horumarinta warshadaha qalabka mashiinka.Mikrometerka ayaa weli ah mid ka mid ah qalabka cabbiraadda saxda ah ee ugu caansan ee aqoon isweydaarsiga.Si kooban u baro taariikhda dhalashada iyo horumarka mikrometerka.
1. Isku daygii hore ee lagu cabbiray dhererka dunta
Aadamuhu waxa uu markii ugu horaysay adeegsaday mabda’a dunta si ay u cabbiraan dhererka walxaha qarnigii 17aad.Sannadkii 1638-kii, W. Gascogine, oo ahaa cirbixiyeen ku sugan magaalada Yorkshire ee dalka Ingiriiska, ayaa adeegsaday mabda’a kaashashka si uu u cabbiro fogaanta xiddigaha.Sannadkii 1693-kii, waxa uu alifay xeer lagu cabbiro oo loo yaqaan "caliper micrometer".
Kani waa habka cabbiraadda oo leh biro bir ah oo ku xidhan taayir gacmeed wareegeysa oo cidhif ah iyo ciddi dhaqaaqi karta oo ku taal cidhifka kale.Aqrinta cabbirka waxaa lagu heli karaa iyadoo la tirinayo wareegtada gacan-ku-wareejinta ee garabka wax-akhrinta.Hal toddobaad oo cabbirka akhriska ah waxa loo qaybiyaa 10 qaybood oo isleeg, masaafadana waxa lagu cabbiraa in la dhaqaajiyo cidiyaha cabbiraadda, taas oo xaqiijinaysa isku daygii ugu horreeyay ee bani’aadamku ku cabbiro dhererka dunta.
2. Watt iyo mikrometerka desktop ugu horreeya
Qarni ka dib markii Gascogine uu ikhtiraacay qalabkiisa cabbiraadda, James Watt, oo ah mu-halifkii mishiinka uumiga, waxa uu ikhtiraacay mikrometer-kii ugu horreeyay ee miiska sannadkii 1772. Qodobka muhiimka ah ee nashqaddiisu waxa ay ahayd waynaynta ku salaysan dunta dunta.Naqshadihii ugu horreeyay ee qaab-dhismeedka U-qaabeeya ee uu adeegsaday James Watt ayaa markii dambe noqday halbeegga mikromitirrada.Haddii aan taariikhdiisa mikromitir la'aanteed, halkan ayaa laga joojin lahaa.Qaybta mashiinka CNC
3. Sir Whitworth ayaa markii hore ganacsi ka dhigay mikrometerka
Si kastaba ha ahaatee, James Watt iyo Mausdlay's mikrometer-ka keydka ayaa inta badan isticmaalkooda ah.Ma jirin qalab wax lagu cabbiro oo sax ah oo suuqa yaallay ilaa qaybtii dambe ee qarnigii 19-aad.Sir Joseph Whitworth, oo ikhtiraacay dunta caanka ah ee "Whitworth dun", waxa uu noqday hormuudka sare u qaadida ganacsiga mikrometerka.CNC
4. Dhalashada mikrometer-ka casriga ah
Mikromitirada caadiga ah ee casriga ahi waxay leeyihiin qaab-dhismeedka U-qaabeeya iyo hawlgal hal gacan ah.Warshado badan ayaa isticmaala nashqada caadiga ah ee mikromitirada.Naqshaddan caadiga ah waxaa laga heli karaa ilaa 1848,
markii hal-abuurihii Faransiiska ahaa ee J. Palmer uu helay shati-qaadis la yidhaa Palmer system.Mikromitirrada casriga ahi waxay ku dhow yihiin inay raacaan naqshadda aasaasiga ah ee nidaamka Palmer, sida qaab-dhismeedka U-qaabeeya, daashka, gacan-gacmeedka, mandrel, iyo anvil-ka cabbiraadda.Wax ku biirinta Palmer waa mid aan la qiyaasi karin taariikhda mikrometerka.CNC auto qayb
5. Horumarinta iyo korriinka mikrometerka
Brown & Sharpe oo ka tirsan Shirkadda American B&S waxay booqdeen Bandhiga Caalamiga ah ee Paris ee lagu qabtay 1867, halkaas oo ay ku arkeen mikrometerka Palmer markii ugu horeysay oo ay dib ugu soo celiyeen Maraykanka.Brown & Sharpe waxay si taxadar leh u darseen micrometer-kii ay ka soo celiyeen Paris, waxayna ku dareen laba hab oo kala ah:
hab si fiican u koontarooli kara dunta dunta iyo qalabka lagu xidho dunta.Waxay soo saareen mikrometer jeebka 1868 waxayna soo bandhigeen suuqa sanadka xiga.
Tan iyo markaas, baahida loo qabo micrometers ee aqoon-is-weydaarsiyada wax-soo-saarka mashiinka ayaa si sax ah loo saadaaliyay, iyo mikrometer-yada ku habboon cabbirada kala duwan ayaa si ballaaran loo isticmaalay horumarinta qalabka mashiinka.
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Waqtiga boostada: Jan-07-2021