Cov kev nce qib tshiab hauv thev naus laus zis abrasive tso cai rau cov neeg ua haujlwm hauv chaw machining ua tiav qhov chaw thiab lwm yam kev ua haujlwm machining tib lub sijhawm, yog li txo lub sijhawm voj voog, txhim kho qhov zoo, thiab txuag lub sijhawm thiab nyiaj txiag ntawm kev ua tiav offline. Cov cuab yeej abrasive finishing tau yooj yim koom ua ke rau hauv lub tshuab CNC lub rooj tig lossis lub cuab yeej tuav.
Txawm hais tias cov khw muag tshuab cog lus xaiv cov cuab yeej no ntau zuj zus, muaj kev txhawj xeeb txog kev siv cov khoom siv abrasives hauv cov chaw ua haujlwm CNC kim. Qhov teeb meem no feem ntau yog los ntawm kev ntseeg tias "cov khoom siv abrasives" (xws li ntawv xuab zeb) tso tawm ntau cov xuab zeb thiab cov khib nyiab uas tuaj yeem txhaws cov kab txias lossis ua rau puas tsuaj rau cov slideways lossis bearings. Cov kev txhawj xeeb no feem ntau tsis muaj pov thawj.
"Cov tshuab no kim heev thiab ua haujlwm tau zoo heev," Janos Haraczi, tus thawj tswj hwm ntawm Delta Machine Company, LLC hais. Lub tuam txhab yog lub khw muag tshuab uas tshwj xeeb hauv kev tsim cov khoom siv nyuaj, ua haujlwm tau zoo los ntawm titanium, nickel alloys, stainless hlau, txhuas, yas thiab lwm yam alloys txawv txawv. "Kuv yuav tsis ua dab tsi uas yuav ua rau qhov tseeb lossis kev ruaj khov ntawm cov khoom siv puas tsuaj."
Feem ntau cov neeg ntseeg yuam kev tias "abrasive" thiab "muab sib tsoo" yog tib yam. Txawm li cas los xij, yuav tsum muaj qhov sib txawv ntawm cov abrasives thiab cov cuab yeej abrasive finishing uas siv rau kev tshem tawm cov khoom siv hnyav. Cov cuab yeej ua tiav tsis muaj cov khoom abrasive thaum siv, thiab qhov ntau ntawm cov khoom abrasive uas tsim tawm yog sib npaug rau qhov ntau ntawm cov hlau chips, hmoov av sib tsoo, thiab cov cuab yeej hnav tsim tawm thaum lub sijhawm ua haujlwm.
Txawm tias thaum muaj cov khoom me me me heev los xij, qhov yuav tsum tau lim rau cov cuab yeej abrasive zoo ib yam li cov rau kev siv tshuab. Jeff Brooks ntawm Filtra Systems hais tias txhua yam khoom me me tuaj yeem tshem tawm tau yooj yim nrog lub hnab pheej yig lossis lub tshuab lim cartridge. Filtra Systems yog ib lub tuam txhab uas tshwj xeeb hauv cov tshuab lim dej hauv kev lag luam, suav nrog kev lim dej txias rau CNC tshuab.
Tim Urano, tus thawj coj saib xyuas zoo rau Wolfram Manufacturing, tau hais tias cov nqi lim dej ntxiv uas cuam tshuam nrog kev siv cov cuab yeej abrasive yog tsawg heev uas lawv "tsis tsim nyog xav txog, vim tias lub kaw lus lim dej nws tus kheej yuav tsum tshem tawm cov khoom me me ntawm cov dej txias uas tsim tawm thaum lub sijhawm ua haujlwm."
Tau yim xyoo dhau los no, Wolfram Manufacturing tau muab Flex-Hone tso rau hauv nws cov tshuab CNC rau kev tshem tawm cov qhov hla thiab ua kom tiav qhov chaw. Flex-Hone, los ntawm Brush Research Manufacturing (BRM) hauv Los Angeles, muaj cov hlaws me me uas txuas mus tas li rau cov filaments uas yooj ywm, ua rau nws yog ib qho cuab yeej yooj ywm, pheej yig rau kev npaj qhov chaw nyuaj, kev tshem tawm cov kab, thiab kev ua kom ntug du.
Kev tshem tawm cov burrs thiab cov npoo ntse ntawm cov qhov uas tau tho hla thiab lwm qhov chaw uas nyuaj rau ncav cuag xws li cov qhov hauv qab, cov qhov, cov qhov me me lossis cov qhov sab hauv yog qhov tseem ceeb. Kev tshem tawm cov burr tsis tiav tuaj yeem ua rau muaj kev thaiv lossis kev co hauv cov kua dej tseem ceeb, cov roj nplua nyeem thiab cov pa roj.
"Rau ib feem, peb siv tau ob lossis peb qhov sib txawv ntawm Flex-Hones nyob ntawm seb muaj pes tsawg qhov sib tshuam thiab qhov loj ntawm qhov," Urano piav qhia.
Flex-Hones tau ntxiv rau hauv lub cuab yeej turntable thiab siv txhua hnub, feem ntau ntau zaus hauv ib teev, ntawm qee qhov chaw feem ntau ntawm lub khw.
"Tus nqi ntawm cov khoom siv abrasive uas tawm ntawm Flex-Hone yog qhov tsis tseem ceeb piv rau lwm cov khoom me me uas xaus rau hauv cov dej txias," Urano piav qhia.
Txawm tias cov cuab yeej txiav xws li cov laum carbide thiab cov tshuab txiav kawg kuj tsim cov chips uas yuav tsum tau lim tawm ntawm cov dej txias, Eric Sun, tus tsim ntawm Orange Vise hauv Orange County, California hais.
"Qee lub khw tshuab yuav hais tias, 'Kuv tsis siv cov khoom siv abrasives hauv kuv cov txheej txheem, yog li kuv cov tshuab tsis muaj cov khoom me me kiag li.' Tab sis qhov ntawd tsis yog qhov tseeb. Txawm tias cov cuab yeej txiav kuj hnav tawm, thiab carbide tuaj yeem tawg thiab xaus rau hauv cov dej txias," Mr. Sun hais.
Txawm hais tias Orange Vise yog ib lub tuam txhab tsim khoom cog lus, lub tuam txhab feem ntau ua cov vices thiab cov khoom hloov pauv sai rau CNC tshuab, suav nrog txhuas, hlau, thiab hlau cam khwb cia. Lub tuam txhab ua haujlwm plaub lub Mori Seiki NHX4000 high-speed horizontal machining centers thiab ob lub vertical machining centers.
Raws li Mr. Sun, ntau lub vices yog ua los ntawm cov hlau cam khwb cia nrog qhov chaw tawv. Txhawm rau kom ua tiav tib yam li qhov chaw tawv, Orange Vise siv NamPower abrasive disc txhuam los ntawm Brush Research.
Cov Txhuam Txhuam NamPower Abrasive Disc yog ua los ntawm cov nylon abrasive fibers uas yoog tau thiab sib txuas nrog cov thermoplastic backing uas muaj fiber ntau thiab yog kev sib xyaw ua ke ntawm cov khoom siv ceramic thiab silicon carbide abrasives. Cov fibers abrasive ua haujlwm zoo li cov ntaub ntawv yoog tau, ua raws li cov duab ntawm qhov khoom, ntxuav thiab sau cov npoo thiab qhov chaw, ua kom muaj kev tshem tawm burr ntau tshaj plaws thiab ua tiav qhov chaw du. Lwm cov kev siv feem ntau suav nrog kev ua kom ntug du, kev ntxuav qhov chaw thiab kev tshem tawm xeb.
Yuav ua kom tiav qhov chaw, txhua lub tshuab CNC lub cuab yeej lub tshuab thauj khoom siv tau nruab nrog cov txhuam nylon abrasive. Txawm hais tias nws kuj siv cov hmoov abrasive, Xibfwb Sun tau hais tias txhuam NamPower yog "ib hom abrasive sib txawv" vim tias nws yog "tus kheej ua kom ntse." Nws cov qauv linear ua rau cov khoom abrasive tshiab ntse sib cuag nrog qhov chaw ua haujlwm thiab maj mam hnav tawm, qhia txog cov khoom txiav tshiab.
"Peb tau siv NamPower abrasive nylon txhuam txhua hnub rau rau xyoo tam sim no. Lub sijhawm ntawd, peb yeej tsis tau muaj teeb meem dab tsi nrog cov khoom me me lossis xuab zeb nkag mus rau ntawm cov chaw tseem ceeb," Mr. Sun ntxiv. "Raws li peb qhov kev paub, txawm tias cov xuab zeb me me los tsis ua rau muaj teeb meem dab tsi."
Cov tshuaj siv rau kev sib tsoo, honing, lapping, superfinishing thiab polishing. Piv txwv li suav nrog garnet, carborundum, corundum, silicon carbide, cubic boron nitride thiab pob zeb diamond hauv ntau qhov loj me.
Ib yam khoom uas muaj cov khoom siv hlau thiab muaj ob lossis ntau yam tshuaj lom neeg, tsawg kawg yog ib qho yog hlau.
Ib feem zoo li xov uas tsim rau ntawm ntug ntawm ib qho workpiece thaum lub sijhawm machining. Nws feem ntau yog ntse. Nws tuaj yeem tshem tawm los ntawm cov ntaub ntawv tes, cov log sib tsoo lossis siv txoj siv, cov log hlau, txhuam txhuam, dej txau, lossis lwm txoj hauv kev.
Cov koob tapered yog siv los txhawb ib lossis ob qho kawg ntawm ib qho workpiece thaum lub sijhawm machining. Lub hauv paus yog ntxig rau hauv lub qhov tho qhov kawg ntawm qhov workpiece. Lub hauv paus uas tig nrog qhov workpiece hu ua "live center" thiab lub hauv paus uas tsis tig nrog qhov workpiece hu ua "dead center."
Ib qho microprocessor-based maub los uas tsim tshwj xeeb rau kev siv nrog cov cuab yeej tshuab los tsim lossis hloov kho cov khoom. Lub programmed CNC system ua kom lub tshuab lub servo system thiab spindle drive ua haujlwm thiab tswj ntau yam kev ua haujlwm machining. Saib DNC (direct numerical control); CNC (computer numerical control).
Ib yam kua uas txo qhov kub nce ntawm qhov cuab yeej/qhov chaw ua haujlwm thaum lub sijhawm ua haujlwm. Feem ntau yog ua kua, xws li cov tshuaj sib xyaw uas yaj tau lossis cov tshuaj sib xyaw (semi-synthetic, synthetic), tab sis kuj tseem yuav yog cua compressed lossis lwm yam pa roj. Vim tias dej muaj peev xwm nqus tau ntau qhov kub, nws yog siv dav ua tus nqa cov dej txias thiab ntau yam kua hlau. Qhov piv ntawm dej rau kua hlau sib txawv nyob ntawm txoj haujlwm ua haujlwm. Saib kua txiav; kua txiav semi-synthetic; kua txiav uas yaj tau hauv roj; kua txiav hluavtaws.
Kev siv tes ua ib lub cuab yeej uas muaj ntau cov hniav me me los ua kom cov ces kaum ntse thiab cov tawm, thiab tshem tawm cov burrs thiab nicks. Txawm hais tias kev ua ntaub ntawv feem ntau yog ua los ntawm tes, nws tuaj yeem siv ua ib kauj ruam nruab nrab thaum ua cov khoom me me lossis cov khoom tshwj xeeb siv lub tshuab hluav taws xob lossis lub tshuab txiav contour nrog cov ntaub ntawv tshwj xeeb.
Kev ua haujlwm machining uas cov khoom raug tshem tawm ntawm ib qho workpiece los ntawm kev sib tsoo log, pob zeb, siv abrasive, abrasive pastes, abrasive discs, abrasives, slurries, thiab lwm yam. Machining muaj ntau hom: kev sib tsoo saum npoo (tsim cov chaw tiaj tus thiab/lossis square); kev sib tsoo cylindrical (ntawm sab nraud cylinders thiab cones, fillets, recesses, thiab lwm yam); kev sib tsoo tsis muaj chaw; chamfering; xov thiab duab sib tsoo; kev ua kom cov cuab yeej ntse; kev sib tsoo random; lapping thiab polishing (kev sib tsoo nrog cov xuab zeb zoo heev los tsim ib qho chaw du heev); honing; thiab disc sib tsoo.
Cov tshuab CNC uas ua tau drilling, reaming, tapping, milling, thiab boring. Feem ntau nruab nrog lub cuab yeej hloov pauv tsis siv neeg. Saib lub cuab yeej hloov pauv tsis siv neeg.
Qhov loj ntawm cov workpiece yuav muaj qhov sib txawv tsawg kawg nkaus thiab siab tshaj plaws los ntawm cov qauv uas tau teeb tsa, thaum tseem siv tau.
Cov khoom ua haujlwm raug clamped rau hauv lub chuck, uas tau mounted rau ntawm lub ntsej muag lossis kho ntawm cov chaw. Thaum cov khoom ua haujlwm tig, ib lub cuab yeej (feem ntau yog ib lub cuab yeej ib qho) raug pub raws ntug, qhov kawg, lossis qhov chaw ntawm cov khoom ua haujlwm. Hom kev ua haujlwm workpiece suav nrog: tig ncaj (txiav ncig lub voj voog ntawm cov khoom ua haujlwm); tig taper (puab lub khob hliav qab); tig kauj ruam (tig cov khoom ntawm ntau txoj kab uas hla ntawm tib qho khoom ua haujlwm); chamfering (beveling ntug lossis xub pwg nyom); facing (trimming ntawm qhov kawg); threading (feem ntau sab nraud, tab sis tej zaum yuav sab hauv); roughing (tshem tawm cov hlau tseem ceeb); thiab finishing (txiav kawg). Nws tuaj yeem ua tiav ntawm lathes, tig chaw, chuck lathes, automatic lathes, thiab cov tshuab zoo sib xws.
Lub sijhawm tshaj tawm: Tsib Hlis-26-2025