Raws li peb txhua tus paub, kev sib tsoo lub cav yog qhov tseem ceeb tshaj plaws ntawm abrasive hauv kev sib tsoo. Kev sib tsoo log yog lub cev ntxeem tau ua los ntawm kev ntxiv ib tus neeg tuaj sib koom ua ke rau kev ua kom zoo, thiab tom qab ntawd tsim kev cog lus, ziab thiab ci. Vim tias muaj kev sib txawv, cov khoom siv sib txuas thiab cov txheej txheem tsim, cov yam ntxwv ntawm kev sib tsoo cov log yog qhov sib txawv heev, uas muaj qhov cuam tshuam tseem ceeb ntawm kev sib tsoo cov khoom zoo, kev tsim khoom thiab kev lag luam. Cov yam ntxwv ntawm kev sib tsoo log yog tsuas yog txiav txim siab los ntawm cov yam ntxwv xws li abrasive, lub zog, tus neeg saib xyuas cov neeg koom nrog, ua haujlwm nyuaj, koomhaum, cov qauv thiab loj.
Raws li cov abrasives siv, nws tuaj yeem muab faib ua cov kev ua kom zoo (corundum thiab silicon carbide, thiab lwm yam) sib tsoo lub log thiab ntuj abrasive super-nyuaj abrasives thiab (pob zeb diamond thiab cubic boron nitride, thiab lwm yam) sib tsoo cov log.
Raws li cov duab, nws tuaj yeem muab faib ua tiaj tus sib tsoo lub log, sib tsoo lub log sib tsoo, lub tog raj kheej sib tsoo, lub khob sib tsoo lub log, sib tsoo lub tog sib tsoo lub log, thiab lwm yam; raws li daim ntawv cog lus tus neeg sawv cev tuaj yeem muab faib ua cov sib tsoo log sib xyaw, log sib tsoo log, roj hmab sib tsoo cov log, hlau sib tsoo cov log, thiab lwm yam. Cov yam ntxwv ntawm cov sib tsoo lub log yog suav nrog kev ua kom tsis muaj zog, viscosity, tawv, tus neeg sawv cev sib luag, cov duab, qhov loj me thiab li ntawd rau.
Txij li thaum lub sib tsoo lub cav feem ntau ua haujlwm ntawm kev kub ceev, nws yog qhov yuav tsum tau ua tiav kev sib hloov (kom paub tseeb tias lub log sib tsoo yuav tsis tawg ntawm kev ua haujlwm siab tshaj) thiab kev ntsuas kom zoo li qub (los tiv thaiv kev co ntawm lub tshuab cuab tam thaum ua haujlwm ) ua ntej siv. Tom qab ua hauj lwm rau ib lub sij hawm ntawm lub sij hawm, lub sib tsoo log yuav tsum tau txiav los lub sib tsoo ua tau zoo thiab muaj tseeb geometry.
Cov yam ntxwv ntawm kev sib tsoo log siv ntawm kev sib tsoo yog:
Vim tias muaj qhov sib txhuam hnyav, qhov kub nyob hauv qhov sib tsoo muaj qhov siab. Qhov no yuav ua rau muaj kev ntxhov siab thiab deformation ntawm qhov chaw ua haujlwm, thiab tseem ua rau lub cev kub hnyiab ntawm qhov chaw ua haujlwm. Yog li ntawd, ntau qhov ua rau txias yuav tsum tau txhaj thaum sib tsoo kom txo qhov kub sib tsoo. Coolant tseem tuaj yeem ua lub luag haujlwm hauv nti tshem tawm thiab lubrication.
Lub zog radial thaum sib tsoo muaj peev xwm loj heev. Qhov no yuav ua rau elastic thim rov qab los ntawm lub tshuab twj-sib tsoo lub log-workpiece system, ua qhov tseeb ntawm qhov txiav tsawg dua li cov nominal qhov tob txiav. Yog li no, thaum lub sib tsoo yuav luag tiav, txoj kev sib tsoo yuav tsum tsis txhob nqa los tshem tawm qhov yuam kev. Tom qab lub abrasive nplej yog blunt, lub sib tsoo quab yuam yuav ua rau kom, ua rau cov abrasive nplej mus ua txhaum los yog poob tawm, pom tus ntse ntug dua. Qhov no feature yog hu ua self-hliav. Kev ua kom tus kheej ua kom lub ntsej muag sib tsoo yuav tsum tau nqa tawm ib txwm hauv ib lub sijhawm. Txawm li cas los xij, tom qab lub sijhawm ua haujlwm tiav, phau ntawv txhais tes yuav tsum tau nqa tawm kom tsis txhob muaj kev vibration, suab nrov thiab kev puas tsuaj rau lub ntsej muag kom zoo ntawm lub workpiece vim muaj ntau zog sib tsoo.
Vim tias cov xaum abrasive ntawm kev sib tsoo lub log muaj qhov nyuaj siab thiab muaj cua sov tsis kam, kev sib tsoo tuaj yeem ua cov ntaub ntawv nrog cov khoom ua kom siab, xws li cov tawv tawv steel thiab cemented carbide. Cov yam ntxwv ntawm kev sib tsoo lub cav thiab lub tshuab kev sib tsoo txiav txim siab tias cov txheej txheem sib tsoo tuaj yeem ua kom cov micro-txiav, feem ntau ap=0.001 ~ 0.005mm; qhov sib tsoo ceev yog qhov siab heev, feem ntau nce txog v=30 ~ 50m / s; kev nruj ntawm kev sib tsoo tshuab yog qhov zoo; hydraulic kis tau txais saws Yog li ntawd, kev sib tsoo tuaj yeem kev lag luam tau txais qhov siab machining qhov tseeb (IT6 ~ IT5) thiab qhov chaw me me ntawm qhov tsis zoo (Ra=0.8 ~ 0.2m). Kev sib tsoo yog ib txoj kev tseem ceeb ntawm qhov ua tiav ntawm qhov.






