Injin Gine-gine da Jagorar Kulawa: Madaidaicin farantin dutse yana buƙatar injina na musamman da kiyayewa don tabbatar da daidaito da tsayinsa. Kafin goge goge, ɓangaren granite dole ne a fara sarrafa injin na farko da daidaitawa a kwance bisa ka'idodin sakawa uku. Bayan niƙa a kwance, idan CNC machining ba zai iya cimma daidaitattun da ake buƙata ba - yawanci kaiwa ga daidaito na Grade 0 (haƙuri 0.01mm / m kamar yadda aka ƙayyade a cikin DIN 876) - kammala hannun ya zama dole don cimma ma'auni mafi girma kamar Grade 00 (0.005mm / m haƙuri ta ASTM B89.3.7).
Tsarin inji ya ƙunshi matakai masu mahimmanci da yawa. Na farko, m nika yana kafa tushe na asali, sannan kuma na biyu na ƙarshe don cire alamun mashin ɗin. Daidaitaccen niƙa, sau da yawa ana yin shi da hannu, yana sake sabunta saman don cimma haƙurin kwanciyar hankali da ake so da ƙarancin ƙasa (Kimar Ra na 0.32-0.63μm, inda Ra ke wakiltar ma'anar lissafin lissafi na bayanin martaba). A ƙarshe, dubawa mai mahimmanci yana tabbatar da bin ka'idodin fasaha, tare da ma'aunin ma'auni da aka sanya bisa dabara a cikin diagonals, gefuna, da tsakiyar layi-yawanci maki 10-50 dangane da girman farantin-don tabbatar da ƙimar daidaito iri ɗaya.
Gudanarwa da shigarwa yana tasiri sosai daidai. Saboda rashin ƙarfi na granite (Mohs hardness 6-7), ɗagawa mara kyau na iya haifar da nakasu na dindindin. Don aikace-aikace masu mahimmanci waɗanda ke buƙatar madaidaicin digiri na 00, bayan shigar da hannu da hannu yana da mahimmanci don dawo da daidaiton da aka lalata yayin sufuri. Wannan hankali ga daki-daki yana bambanta faranti na musamman na granite daga daidaitattun nau'ikan injina.
Ayyukan kulawa kai tsaye suna shafar aiki da tsawon rayuwa. Fara da tsaftataccen tsaftacewa ta amfani da masu tsabtace pH mai tsaka-tsaki-ka guji abubuwan acidic waɗanda zasu iya ƙulla saman. Daidaitawar shekara-shekara tare da interferometers na Laser, ana iya gano ma'aunin NIST, yana tabbatar da ci gaba da daidaito. Lokacin sanya kayan aiki, ba da izinin daidaita yanayin zafi (yawanci mintuna 15-30) don hana kurakuran auna daga bambance-bambancen zafin jiki. Kada a taɓa zame abubuwa masu ƙazanta a saman ƙasa, saboda wannan na iya haifar da ƙananan ƙulle-ƙulle da ke shafar laushi.
Ingantattun jagororin amfani sun haɗa da mutunta iyakokin kaya don hana gurɓacewar tsari, kiyaye yanayin muhalli mai dorewa (zazzabi 20± 2°C, zafi 50±5%), da yin amfani da kayan ɗagawa da aka sadaukar don gujewa lalacewar jirgin sama. Ba kamar takwarorinsu na ƙarfe ba, kwanciyar hankali na granite (0.01ppm/°C) yana rage tasirin muhalli, amma ya kamata a guji canje-canjen zafin jiki kwatsam.
A matsayin kayan aiki na tushe a cikin madaidaicin metrology, ƙwararrun faranti na granite (ISO 17025 da aka yarda da su) suna aiki azaman ma'aunin ma'aunin ƙima. Kulawar su yana buƙatar ƙaramin ƙoƙari-kawai goge tsafta tare da kyalle mara lint bayan amfani-ba a buƙatar sutura na musamman ko mai mai. Ta bin waɗannan ƙa'idodin mashin ɗin da kulawa, madaidaicin faranti na saman dutse suna isar da ingantaccen aiki na shekaru da yawa, yana mai da su makawa a cikin dakunan gwaje-gwaje na calibration, masana'antar sararin samaniya, da aikace-aikacen injiniya mai inganci.
Lokacin aikawa: Nuwamba-19-2025