Nyob rau hauv niaj hnub kev lag luam systems, lub peev xwm ntawm precision Cheebtsam ua kom tiav micron - thiab nanometer - theem precision tswj thiab ruaj khov ua hauj lwm stems los ntawm cov qib siab ntawm kev sib raug zoo ntawm lawv cov qauv tsim thiab lub cev mechanisms. Kev nkag siab txog lawv cov qauv kev ua haujlwm tsis yog tsuas yog qhov yuav tsum tau ua ua ntej rau kev txhim kho cov txheej txheem tsim khoom tab sis tseem ceeb heev rau kev txhim kho tag nrho cov tshuab ua haujlwm thiab kev ntseeg tau.
Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm precision Cheebtsam feem ntau tig los ntawm peb qhov tseem ceeb: kev txwv, kev xa mus, thiab kev tawm tswv yim. Ua ib qho kev ua haujlwm siab -precision dov bearing ua piv txwv, nws cov tub ntxhais nyob rau hauv geometric haum thiab txhua yam sib npaug ntawm sab hauv thiab sab nrauv raceways thiab cov khoom dov. Los ntawm kev tswj cov kev sib tw curvature radius, dov lub cheeb txoj kab uas hla, thiab tus naj npawb, lub load yog sib npaug, thiab thaum lub sij hawm siab - kev sib hloov ceev, zawv zawg kev sib txhuam yog hloov mus rau hauv kev sib txhuam ntawm kev sib txhuam, yog li txo qis zog poob thiab hnav tus nqi, ua tiav qhov kev sib hloov siab dhau sijhawm ntev.
Hauv kev sib kis - hom precision Cheebtsam, lub hauv paus ntsiab lus yog ntau ntxiv txog kev hloov dua siab tshiab thiab kev nthuav dav ntawm cov lus tsa suab. Piv txwv li, precision worm iav khub siv qhov kev sib txuas ntawm cov hniav helical los hloov siab -ceev, qis- torque input rau hauv qis-ceev, siab - torque tso zis. Nyob rau tib lub sijhawm, los ntawm kev hloov kho tus hniav profile nruj thiab kev tswj xyuas qhov rov qab, qhov smoothness ntawm cov txheej txheem kis tau tus mob thiab txo qis ntawm backlash yog guaranteed. Ib yam li ntawd, harmonic reducers cia siab rau qhov elastic deformation ntawm cov khoom hloov tau yooj yim thiab cov hniav profile cuam tshuam ntawm cov log nruj kom ua tiav siab - piv, me me - ntim precision motion kis tau tus mob. Qhov tseem ceeb yog nyob rau hauv kev ruaj ntseg ntawm cov khoom siv elastic modulus thiab kev ua lej optimization ntawm tus hniav profile tsim.
Lub hauv paus ntsiab lus ua haujlwm ntawm kev tso chaw thiab kev taw qhia qhov tseeb yog tsom rau kev txwv kev txwv thiab kev ua yuam kev. Cov kab ntawv qhia cov khub, los ntawm siab - precision machined slide rails thiab slider mating surfaces, tsim ib qho qis - kev sib txhuam, siab -rigidity linear motion khub. Preload tshem tawm cov kev tshem tawm, yog li tswj cov sub-micron qib kev ua haujlwm rov ua tau zoo hauv kev sib txuas lus. Qhov zoo -tuning mechanism ntawm lub kho qhov muag platform cia siab rau micro- hloov chaw tsav tsheb txoj cai ntawm piezoelectric ceramics los yog cov xov sib txawv los hloov cov teeb liab hluav taws xob los yog kev sib hloov angular hloov mus rau hauv nanometer- theem linear hloov chaw, ua tiav kev tswj xyuas cov lus teb zoo.
Tsis tas li ntawd, qee qhov kev txiav txim siab ua ke nrog cov kev xav thiab cov lus tawm tswv yim, ua rau lawv tus kheej - saib xyuas thiab kho kom raug thaum ua haujlwm. Piv txwv li, nyob rau hauv ib tug kaw - voj tswj servo system, cov txheeb ze txav ntawm lub encoder disk thiab lub taub hau nyeem ntawv generates mem tes signals, muab tiag tiag - sij hawm txoj hauj lwm cov ntaub ntawv. Tus maub los dynamically kho tus tsav commands raws li, xyuas kom meej tias tus actuator tseem nyob rau hauv lub teeb trajectory.
Feem ntau, lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm precision qhov chaw yog qhov tshwm sim ntawm kev sib sib zog nqus ntawm cov khoom siv, geometric precision, mechanical design, thiab control technology. Tsuas yog los ntawm kev ua tiav qhov sib txuam ntawm cov qauv, kev quab yuam, thiab kev txav mus los ntawm qib microscopic tuaj yeem ua tiav cov txiaj ntsig ntawm kev ua haujlwm siab, kev ntseeg siab, thiab lub neej ntev tau paub txog hauv cov ntawv thov macroscopic, muab kev txhawb nqa zoo rau kev ua tau zoo ntawm siab - khoom siv kawg.
