Dalilin da yasa kauri na dandamalin dutse shine Mabuɗin ƙarfin ɗaukar kaya da daidaiton sub-micron

Lokacin da injiniyoyi da masana kimiyyar ƙasa suka zaɓi wani dandamali na granite mai daidaito don ayyukan aunawa da haɗa abubuwa masu wahala, shawarar ƙarshe galibi tana mai da hankali ne akan siga mai sauƙi: kauri. Duk da haka, kauri na farantin saman granite ya fi girma fiye da girma mai sauƙi - shine tushen abin da ke ƙayyade ƙarfin ɗaukar nauyinsa, juriyar girgiza, kuma a ƙarshe, ikonsa na kiyaye kwanciyar hankali na dogon lokaci.

Don aikace-aikacen da suka yi daidai, ba a zaɓar kauri ba bisa ga son rai; lissafi ne mai mahimmanci na injiniya bisa ga ƙa'idodi da ƙa'idodi masu tsauri na karkatar da injina.

Ma'aunin Injiniya da ke Bayan Tabbatar da Kauri

Babban manufar dandamalin daidaito shine yin aiki a matsayin madaidaicin wuri mai faɗi, mara motsi. Saboda haka, ana ƙididdige kauri na farantin saman dutse don tabbatar da cewa a ƙarƙashin matsakaicin nauyin da ake tsammani, faɗin farantin gaba ɗaya ya kasance a cikin ƙimar haƙuri da aka ƙayyade (misali, Daraja AA, A, ko B).

Wannan ƙirar tsarin tana bin ƙa'idodin masana'antu masu mahimmanci, kamar ma'aunin ASME B89.3.7. Babban ƙa'idar tantance kauri shine rage karkacewa ko lanƙwasawa. Muna ƙididdige kauri da ake buƙata ta hanyar la'akari da halayen granite - musamman ma'aunin Young's Modulus of Elasticity (ma'aunin tauri) - tare da girman farantin gabaɗaya da nauyin da ake tsammani.

Ma'aunin Hukuma don Ƙarfin Lodawa

Ma'aunin ASME da aka yarda da shi sosai yana haɗa kauri kai tsaye da ƙarfin ɗaukar nauyin farantin ta amfani da takamaiman gefen aminci:

Dokar Kwanciyar Hankali: Dole ne dandamalin granite ya kasance mai kauri wanda zai iya ɗaukar nauyin da aka saba amfani da shi a tsakiyar farantin, ba tare da karkatar da farantin a kowane kusurwa ba da fiye da rabin jurewar lanƙwasa gaba ɗaya.

Wannan buƙatar tana tabbatar da cewa kauri yana samar da tauri da ake buƙata don ɗaukar nauyin da aka yi amfani da shi yayin da yake kiyaye daidaiton ƙananan micron. Don babban dandamali ko fiye da kaya mai nauyi, kauri da ake buƙata yana ƙaruwa sosai don magance lokacin lanƙwasa mai tsayi.

Kauri: Ma'aunin Uku a Daidaito Daidaito

Kauri na dandamalin yana aiki a matsayin ƙara girman tsarinsa kai tsaye. Faranti mai kauri yana ba da manyan fa'idodi guda uku masu alaƙa waɗanda ke da mahimmanci ga daidaiton tsarin aiki:

1. Ƙarfin Lodi Mai Inganci da Rikewa da Faɗi

Kauri yana da matuƙar muhimmanci wajen jure wa lanƙwasawa da abubuwa masu nauyi ke haifarwa, kamar manyan injunan aunawa (CMMs) ko kayan aiki masu nauyi. Zaɓin kauri wanda ya wuce mafi ƙarancin buƙata yana ba da damar aminci mai mahimmanci. Wannan ƙarin kayan yana ba dandamalin nauyin da ake buƙata da tsarin ciki don rarraba nauyin yadda ya kamata, don haka yana rage karkacewar farantin sosai kuma yana tabbatar da cewa an kiyaye madaidaicin saman da ake buƙata a tsawon rayuwar dandamalin.

2. Ƙara Daidaito Mai Sauƙi da Rage Girgizawa

Tabarmar dutse mai kauri da nauyi tana da babban nauyi, wanda shine mafi mahimmanci don rage hayaniyar injina da sauti. Babban dandamali yana da ƙarancin mitar halitta, wanda hakan ke sa ya zama ƙasa da sauƙin kamuwa da girgizar ƙasa ta waje da ayyukan girgizar ƙasa da aka saba gani a cikin muhallin masana'antu. Wannan rage zafi yana da mahimmanci ga duba ido mai inganci da tsarin daidaitawa na laser inda ko da motsi mai ƙananan ƙwayoyin cuta na iya lalata tsari.

3. Inganta Inertia na Zafi

Ƙara yawan kayan yana rage saurin canjin yanayin zafi. Duk da cewa dutse mai inganci ya riga ya ƙunshi ƙarancin yawan faɗaɗa zafin jiki, kauri mafi girma yana samar da ingantaccen rashin ƙarfin zafi. Wannan yana hana saurin lalacewar zafi mara daidaituwa wanda zai iya faruwa lokacin da injina ke dumama ko zagayowar kwandishan, yana tabbatar da cewa yanayin ma'aunin dandamalin ya kasance daidai kuma mai karko a tsawon lokaci mai tsawo.

A duniyar injiniyan daidaito, kauri na dandamalin granite ba abu ne da za a rage don adana kuɗi ba, amma wani muhimmin abu ne na tsarin da za a inganta, wanda ke tabbatar da cewa saitin ku yana samar da sakamakon da za a iya maimaitawa da kuma bin diddigin da masana'antar zamani ke buƙata.