Makina oyezera a Coordinate (CMMs) amagwiritsidwa ntchito kwambiri m'mafakitale monga makina, zamagetsi, zida, ndi mapulasitiki. Ma CMM ndi njira yabwino yoyezera ndi kupeza deta yam'mbali chifukwa amatha m'malo mwa zida zambiri zoyezera pamwamba ndi zoyezera zokwera mtengo, kuchepetsa nthawi yofunikira pa ntchito zoyezera zovuta kuyambira maola mpaka mphindi - kupindula kosatheka ndi zida zina.
Zomwe Zimakhudza Makina Oyezera Ogwirizanitsa: Zinthu Zomwe Zimakhudza Coaxiality mu CMM Measurements. Mu muyezo wadziko lonse, gawo la coaxiality tolerance la ma CMM limatanthauzidwa ngati dera lomwe lili mkati mwa cylindrical pamwamba ndi kulolerana kwa t ndi coaxial ndi axis ya CMM's datum. Ili ndi zinthu zitatu zowongolera: 1) axis-to-axis; 2) olamulira-to-wamba olamulira; ndi 3) pakati ndi pakati. Zomwe Zimakhudza Coaxiality mu Miyezo ya 2.5-Dimensional: Zinthu zazikulu zomwe zimakhudza coaxiality mu miyeso ya 2.5-dimensional ndi malo apakati ndi ma axis a chinthu choyezedwa ndi datum element, makamaka mayendedwe a axis. Mwachitsanzo, poyeza mabwalo awiri ozungulira pa silinda ya datum, mzere wolumikizira umagwiritsidwa ntchito ngati datum axis.
Zozungulira ziwiri zozungulira zimayesedwanso pa silinda yoyezedwa, mzere wowongoka umapangidwa, ndiyeno coaxiality imawerengedwa. Kungoganiza kuti mtunda pakati pa katundu awiri pamwamba pa datum ndi 10 mm, ndi mtunda pakati pa datum katundu pamwamba ndi gawo mtanda wa yamphamvu kuyeza ndi 100 mm, ngati malo pakati pa bwalo lachiwiri mtanda gawo la datum ali ndi cholakwika muyeso wa 5um ndi pakati pa bwalo mtanda gawo, ndiye kutali ndi datum 50 gawo ataliyeza kale gawo. yamphamvu (5umx100:10). Panthawiyi, ngakhale silinda yoyezerayo ndi coaxial ndi datum, zotsatira za miyeso iwiri-dimensional ndi 2.5-dimensional zidzakhalabe ndi cholakwika cha 100um (gawo lomwelo lololera la digiri ndi m'mimba mwake, ndipo 50um ndi radius).
Nthawi yotumiza: Sep-02-2025