Kev vibration yog ib qho ntawm qhov tsis tu ncua ntawm qhov tseeb ploj hauvprecision khoom. Nws tuaj yeem tshwm sim raws li kev sib tham hauv lub chaw machining, qhov muag tsis pom cov ntaub ntawv hauv qhov kev tshuaj ntsuam xyuas qhov muag, kev nyeem ntawv tsis ruaj khov hauv lub tshuab ntsuas kev sib koom tes, lossis teeb tsa lub sijhawm tom qab lub axis txav ceev. Qhov tshwm sim yog paub: tsis zoo deg tiav, qis dhau los, cov cuab yeej siv siab dua, kev ntsuas tsis sib xws, thiab siv sijhawm ntev dua tos rau lub kaw lus kom ruaj khov.
Cov neeg tsim tshuab tau ib txwm tig mus rau cam khwb cia hlau thaum lawv xav tau cov qauv ruaj khov, nruj. Nws tseem yog qhov siv tau thiab ua tau zoo- nkag siab cov khoom siv rau lub tshuab txaj, kab, rooj, thiab lub cev lub cev. Txawm li cas los xij, raws li cov cuab yeej txav mus rau qhov nrawm dua, kev ua siab ntev me dua, thiab cov khoom siv tau zoo dua, lwm yam khoom tau txais kev pom zoo: pob zeb hauv av casting, tseem hu ua polymer pob zeb, epoxy granite, lossis ntxhia sib xyaw.
Qhov kev xaiv tsis yog tsuas yog "tshiab piv rau qub." Mineral casting thiab cam khwb cia hlau coj txawv nyob rau hauv kev co, thiab txhua tus yuav tsum muaj kev tsim qauv sib txawv. Rau cov neeg yuav khoom engineering, cov thawj tswj hwm zoo, thiab cov kws tshaj lij hauv kev sim, cov lus nug tseem ceeb yog: cov qauv twg yuav tswj kev vibration hauv ntau zaus thiab kev ua haujlwm uas tseem ceeb rau lub tshuab?
Dab tsi Damping txhais tau tias hauv Tshuab Tsim
Lub tshuab qauv xav tau ob yam: nruj thiab damping.
Kev tawv nqaij txiav txim siab npaum li cas tus qauv deflects nyob rau hauv ib qho zoo li qub lossis maj mam hloov load. Damping txiav txim siab sai npaum li cas lub zog vibration decays tom qab muaj kev cuam tshuam. Lub siab - cov qauv nruj tuaj yeem tiv thaiv kev khoov zoo tab sis tseem xa cov kev co lossis lub nplhaib tom qab excitation. Lub siab -damping qauv dissipates lub zog sai dua, txo qhov amplitude thiab lub sijhawm oscillation.
Qhov sib txawv no yuav pom tom qab lub tshuab ceev ceev -axis thim rov qab, kev koom tes ntawm cov cuab yeej, kev txiav tsis sib xws, lossis kev cuam tshuam hauv pem teb sab nraud. Ib tug qauv nrog txwv damping txuas ntxiv vibrate tom qab qhov kev tshwm sim. Tus qauv zoo dua -damped settles sai dua.
Kev ntsuas feem ntau qhia tau tias yog qhov sib piv damping lossis logarithmic decrement thaum lub sij hawm pub dawb -kev vibration decay. Cov lej no yuav tsum tau muab txhais ua tib zoo vim hais tias cov khoom muaj pes tsawg leeg, cov khoom siv geometry, ciam teb cov xwm txheej, kev thauj khoom, thiab cov qauv ntsuas tuaj yeem hloov pauv qhov tshwm sim. Txawm li cas los xij, kev tshawb fawb sib piv tsis tu ncua pom tau tias epoxy- cov qauv ntxhia tuaj yeem ua rau muaj kev cuam tshuam ntau dua li qhov sib piv cam khwb cia- cov qauv hlau.
Ib qho kev cuam tshuam luam tawm -kev sim kawm ntawm lub tshuab- cov cuab yeej tombstones ntsuas qhov sib piv ntawm 1.48% rau cov epoxy- cov qauv ntxhia piv nrog 0.33% rau cov cam khwb cia- piv txwv hlau hauv nws thawj hom kev co. Cov kev tshawb fawb tib yam kuj tau sau tseg tias cov lus teb ntau zaus thiab qhov tawv nqaij yuav tsum tau soj ntsuam nrog kev ua kom tsis muaj zog es tsis yog kho raws li ib qho khoom vaj khoom tsev.
Vim li cas Mineral Casting Absorbs Vibration
Mineral casting yog qhov sib xyaw. Nws feem ntau yog ua tib zoo graded mineral aggregate-xws li granite, quartz, basalt, los yog silica- khi nrog ib tug polymer resin system. Lub aggregate muab bulk, compressive zog, thiab seem loj. Lub polymer matrix muab damping sab hauv.
Thaum muaj kev vibration yoj mus los ntawm lub hauv paus tshuab casting, microscopic deformation thiab kev sib txhuam nyob rau hauv cov resin-tag nrho cov qauv dissipate ib feem ntawm kev co zog raws li cua sov. Cov qauv hlau tsis muab tib lub viscoelastic mechanism. Cov hlau cam khwb cia muaj txiaj ntsig sab hauv damping piv nrog cov hlau welded, tab sis nws tseem yog cov qauv hlau crystalline uas xa cov kev co tau yooj yim dua li cov khoom siv polymer- cov khoom siv ntxhia.
Vim li no, ntxhia casting feem ntau yog xaiv rau kev vibration- cov cuab yeej rhiab heev xws li:
High-CNC machining chaw thiab kev sib tsoo tshuab
Precision laser ua tshuab
Optical soj ntsuam thiab AOI khoom
Semiconductor txhawb cov qauv thiab wafer-cov khoom siv
Coordinate ntsuas tshuab thiab dimensional -kev soj ntsuam platforms
Cov duab kho mob, CT, thiab X- cov khoom siv hluav taws xob
Precision automation systems, XY theem, thiab linear -motor platforms
Cov neeg muag khoom thiab cov ntawv pov thawj kev lag luam feem ntau tshaj tawm cov ntxhia casting damping kev ua tau zoo ntau zaus ntau dua li cov hlau cam khwb cia. Qee qhov tseem ceeb tshaj tawm qhia txog yim - txog kaum -fold qhov sib txawv hauv logarithmic decrement, txawm hais tias qhov kev ua tau zoo tiag tiag yuav tsum raug lees paub rau ntawm cov qauv kawg es tsis suav los ntawm cov khoom siv dav dav.
Cast Iron tseem muaj lub luag haujlwm
cam khwb cia hlau tsis tau siv, thiab nws yuav tsum tsis txhob piav raws li unsuitable rau precision machinery.
Nws tseem yog qhov txaus nyiam vim tias nws muaj qhov nruj nruj, paub txog kev tsim qauv, tsim cov txheej txheem tsim, kev ua haujlwm zoo, thiab kev coj tus cwj pwm zoo nyob rau hauv cov khoom siv sib xyaw ua ke. Nws cov elastic modulus siab dua txhais tau hais tias lub cam khwb cia- hlau txaj feem ntau tuaj yeem ua tiav qhov xav tau zoo li qub nrog tus ntoo khaub lig slimmer- seem dua li qhov sib npaug ntawm cov ntxhia.
Qhov ntawd tseem ceeb thaum lub tshuab- lub hnab ntawv loj, qhov hnyav ntawm cov qauv, kev thauj khoom hnyav, lossis cov kev txwv mounting txwv qhov loj npaum li cas tuaj yeem ua tau.
Mineral casting feem ntau muaj qis dua elastic modulus dua li cam khwb cia hlau. Txhawm rau kom ncav cuag qhov sib npaug zoo li qub, cov kws tsim khoom yuav xav tau cov ntoo khaub lig loj dua - ntu, tav, steel reinforcement, lossis cov qauv sib xyaw. Ib qho kev tshawb fawb soj ntsuam ntawm cam khwb cia- hlau thiab ntxhia-resin tshuab- cov cuab yeej txaj tau ceeb toom tias cov ntxhia pov tseg ib leeg yuav tsis txaus rau qee lub tshuab ua tiav- cov qauv txaj uas yuav tsum muaj lub zog ua kom muaj zog.
Qhov no tsis yog qhov tsis muaj zog hauv txhua daim ntawv thov. Nws yog ib qho kev tsim qauv. Lub qhov dej-engineered ntxhia casting puag tsis yog ib qho ncaj qha zoo li-rau-puab hloov rau cov hlau uas twb muaj lawm. Nws yuav tsum tau tsim nyob ib ncig ntawm nws tus kheej cov khoom coj cwj pwm.
Cov Lus Nug Resonance
Kev damping siab dua tsis tau txhais tau tias txhua qhov kev ua kom zoo dua qub.
Ib qho ntxhia casting qauv tuaj yeem muaj qhov qis qis dua li qhov sib npaug cam khwb cia- hlau qauv vim qhov sib txawv ntawm qhov tawv thiab geometry. Nyob rau tib lub sijhawm, nws qhov damping ntau dua tuaj yeem txo qhov amplitude ntawm cov lus teb resonant thiab txo lub sij hawm daws teeb meem. Hauv lwm lo lus, cov khoom siv tuaj yeem ua rau lub tshuab tsis tshua muaj kev puas tsuaj rau kev co txawm tias daim ntawv qhia zaus sib txawv.
Kev tshawb fawb xyoo 2018 ntawm CNC sib tsoo- cov qauv tshuab qhia txog qhov no. Nws pom tias cov pob zeb hauv av-cov qauv resin tuaj yeem ua rau pom tus cwj pwm tsis zoo nyob rau hauv qee qhov qis dua - thaj tsam zaus tab sis tsis tshua muaj peev xwm tsim resonance nyob rau hauv qhov ntsuas ntau zaus. Qhov xaus yog qhov tseem ceeb: kev ua haujlwm zoo yuav tsum ntsuas thoob plaws qhov kev khiav hauj lwm spectrum, tsis txo qis rau ib tus lej xov tooj.
Rau lub tshuab spindle, engineers yuav tsum tshuaj xyuas kev txiav- quab yuam zaus, spindle harmonics, axis acceleration profiles, fixture modes, thiab pem teb kev co. Rau ib qho metrology lossis kho qhov muag, qhov ua kom pom tseeb yuav hloov mus rau qhov ntsuas bandwidth, scan nrawm, cuam tshuam ib puag ncig, thiab daws lub sijhawm tom qab kev tawm suab.
Precision tiav, tsis nchuav
Lub hauv paus tshuab casting ntxhia tau txais txiaj ntsig ntau ntawm nws cov nqi los ntawm ze -net-puab tsim. Ntxig, cua txias txoj kev, cable channels, mounting cov ntsiab lus, thiab embedded interfaces yuav muab kev koom ua ke thaum lub sij hawm casting. Txawm li cas los xij, qhov cam khwb cia saum npoo tsis tau txais qhov tseeb datum.
Cov rooj zaum tseem ceeb, cov kabmob sib txuas, qhov chaw kho qhov muag, thiab kev ntsuas cov ntaub ntawv feem ntau xav tau kev tshaj tawm -casting machining, sib tsoo, lapping, los yog kev koom ua ke nrog precision granite ntsiab. Qhov no yog qhov uas tus neeg muag khoom qhov kev ntsuas muaj peev xwm ua qhov tseem ceeb raws li nws qhov peev xwm casting.
UNPARALLELED® txhawb cov ntxhia casting qauv nrog precision granite, ceramic, UHPC, hlau, thiab carbon{0}}fiber precision Cheebtsam. Qhov no enables xaiv cov khoom nyob ib ncig ntawm lub luag hauj lwm ntawm lub tivthaiv. Lub hauv paus pob zeb hauv av tuaj yeem ua ke nrog cov lus qhia tshwj xeeb granite, sib txuas threaded inserts, machined hlau interfaces, los yog tswj mounting datums.
Lub tuam txhab kev paub hauv kev sib tsoo loj granite, tes lapping, vibration- tswj kev soj ntsuam ib puag ncig, hluav taws xob- qib ntsuas, thiab laser interferometry muab lub hauv paus tswv yim rau kev ntsuas cov rooj sib txoos. Lub hom phiaj tsis yog los sau cov ntxhia hauv txhua rooj plaub. Nws yog xa cov qauv uas nws tus cwj pwm dynamic, tiav geometry, thiab kev soj ntsuam txoj kev ua raws li cov khoom yuav tsum tau ua.
Xaiv Txoj Cai Zoo
Rau kev vibration- cov khoom siv rhiab heev, ntxhia casting muaj qhov muaj zog damping zoo dua li cov hlau cam khwb cia. Qhov kom zoo dua tuaj yeem txhim kho kev coj tus cwj pwm, txo kev sib kis ntawm kev vibration, thiab txhawb kev ua haujlwm ruaj khov ntawm lub tshuab ua haujlwm nyob rau hauv siab - nrawm nrawm lossis hloov cov txheej txheem thauj khoom.
cam khwb cia hlau tseem yog qhov kev xaiv muaj zog dua qhov kev ua kom nruj, siab ua haujlwm siab - lub peev xwm thauj khoom, lossis tsim hlau- tshuab tsim cov cai tswj hwm.
Qhov kev xaiv zoo tshaj plaws pib nrog cov pov thawj engineering: kev tshuaj ntsuam xyuas, cov ntaub ntawv muaj tseeb, cov txheej txheem thermal, yuav tsum tau muaj kev tiv thaiv geometric, thiab kev kuaj pom tseeb. Thaum tswj kev vibration yog qhov tseem ceeb, lub hauv paus tshuab yuav tsum tsis txhob raug kho raws li kev txhawb nqa passive. Nws yog ib feem ntawm precision system.