Kev nce qib tshiab hauv kev siv thev naus laus zis tso cai rau cov neeg ua haujlwm hauv chaw ua haujlwm kom ua tiav qhov chaw thiab lwm yam kev ua haujlwm ib txhij, yog li txo lub sijhawm voj voog, txhim kho kom zoo, thiab txuag sijhawm thiab nyiaj txiag ntawm kev ua tiav offline. Abrasive xov cov cuab yeej tau yooj yim ua ke rau hauv lub tshuab CNC lub rooj teb lossis cov cuab yeej cuab tam.
Thaum cov khw muag khoom cog lus tau xaiv cov cuab yeej no nce ntxiv, muaj kev txhawj xeeb txog kev siv cov abrasives hauv cov chaw CNC machining kim. Qhov teeb meem no feem ntau tshwm sim los ntawm cov kev ntseeg uas "abrasives" (xws li cov ntawv xuab zeb) tso tawm ntau cov grit thiab cov khib nyiab uas tuaj yeem thaiv cov kab txias los yog ua rau puas tsuaj rau cov slideways lossis bearings. Cov kev txhawj xeeb no feem ntau tsis muaj tseeb.
Janos Haraczi, tus thawj tswj hwm ntawm Delta Machine Company, LLC tau hais tias "Cov tshuab no kim heev thiab meej heev. Lub tuam txhab yog lub khw muag khoom lag luam tshwj xeeb hauv kev tsim cov khoom lag luam nruj, nruj-hloov qhov chaw los ntawm titanium, npib tsib xee alloys, stainless hlau, aluminium, yas thiab lwm yam khoom sib txawv. "Kuv yuav tsis ua ib yam dab tsi uas yuav cuam tshuam qhov raug lossis ua haujlwm ntev ntawm cov cuab yeej."
Tib neeg feem ntau yuam kev ntseeg tias "sib tsoo" thiab "cov khoom sib tsoo" yog tib yam. Txawm li cas los xij, yuav tsum muaj qhov sib txawv ntawm cov abrasives thiab abrasive xov cov cuab yeej siv rau kev tshem tawm cov khoom hnyav. Cov cuab yeej ua tiav tsim tau zoo tsis muaj cov khoom abrasive thaum siv, thiab cov khoom siv abrasive yog sib npaug rau cov hlau chips, sib tsoo plua plav, thiab cov cuab yeej hnav thaum lub sij hawm machining.
Txawm hais tias cov khoom me me ntawm cov khoom me me raug tsim tawm, cov kev pom zoo rau cov cuab yeej abrasive zoo ib yam li cov khoom siv. Jeff Brooks ntawm Filtra Systems hais tias txhua qhov teeb meem tuaj yeem raug tshem tawm tau yooj yim nrog lub hnab pheej yig lossis cartridge pom qhov system. Filtra Systems yog ib lub tuam txhab tshwj xeeb hauv cov tshuab pom kev lag luam, suav nrog kev lim dej txias rau CNC tshuab.
Tim Urano, tus thawj tswj hwm zoo rau Wolfram Manufacturing, tau hais tias cov nqi pom ntxiv cuam tshuam nrog kev siv cov cuab yeej abrasive tsawg heev uas lawv "tsis tsim nyog xav txog, vim tias qhov system pom nws tus kheej yuav tsum tshem tawm cov teeb meem los ntawm cov coolant generated thaum lub sij hawm machining txheej txheem."
Rau yim xyoo dhau los, Wolfram Manufacturing tau koom ua ke Flex-Hone rau hauv tag nrho nws cov CNC tshuab rau hla-qhov deburring thiab nto tiav. Flex-Hone, los ntawm Brush Research Manufacturing (BRM) nyob rau hauv Los Angeles, nta me me abrasive hlaws dai mus tas li txuas mus rau saj zawg zog filaments, ua rau nws yog ib tug saj zawg zog, uas tsis muaj nqi cuab yeej rau complex deg npaj, deburring, thiab ntug smoothing.
Tshem tawm cov burrs thiab cov npoo ntse los ntawm qhov hla-drilled qhov thiab lwm qhov nyuaj-mus ncav cuag xws li undercuts, slots, recesses los yog internal bores yog qhov tseem ceeb. Kev tshem tawm tsis tiav tuaj yeem ua rau muaj kev cuam tshuam los yog ua rau muaj kev kub ntxhov hauv cov dej tseem ceeb, cov roj nplua nyeem thiab cov pa roj.
"Rau ib feem, peb tuaj yeem siv ob lossis peb qhov sib txawv ntawm Flex-Hones nyob ntawm seb muaj pes tsawg tus chaw nres nkoj sib tshuam thiab qhov loj me," Urano piav qhia.
Flex-Hones tau ntxiv rau lub cuab yeej tig thiab siv txhua hnub, feem ntau ob peb zaug hauv ib teev, ntawm qee lub khw muag khoom feem ntau.
Urano piav qhia tias "Tus nqi ntawm cov abrasive uas tawm ntawm Flex-Hone yog qhov tsis txaus ntseeg piv rau lwm cov khoom uas xaus rau hauv lub coolant," piav qhia Urano.
Txawm tias cov cuab yeej txiav xws li carbide xyaum thiab cov mills kawg tsim cov chips uas yuav tsum tau lim tawm ntawm lub coolant, hais tias Eric Sun, tus tsim ntawm Orange Vise hauv Orange County, California.
"Qee lub khw muag khoom yuav hais tias, 'Kuv tsis siv cov tshuaj abrasives hauv kuv cov txheej txheem, yog li kuv cov cav tov tsis muaj cov khoom tsis zoo.' Tab sis qhov ntawd tsis muaj tseeb, txawm tias cov cuab yeej txiav tau hnav, thiab cov carbide tuaj yeem nti tawm thiab xaus rau hauv cov dej txias, "Mr. Sun tau hais.
Txawm hais tias txiv kab ntxwv Vise yog cov chaw tsim khoom cog lus, lub tuam txhab feem ntau ua cov vices thiab ceev-hloov qhov chaw rau CNC tshuab, suav nrog txhuas, hlau, thiab cam khwb cia hlau. Lub tuam txhab ua haujlwm plaub Mori Seiki NHX4000 high-speed kab rov tav machining chaw thiab ob ntsug machining chaw.
Raws li Mr. Sun, ntau yam vices yog ua los ntawm cam khwb cia hlau nrog ib tug xaiv hardened nto. Txhawm rau ua tiav qhov txiaj ntsig zoo ib yam li qhov tawv tawv, Txiv kab ntxwv Vise siv NamPower abrasive disc txhuam los ntawm Brush Research.
NamPower Abrasive Disc Txhuam yog tsim los ntawm cov nylon abrasive fibers hloov tau ua ke rau fiber ntau cov khoom siv thermoplastic thaub qab thiab yog ib qho tshwj xeeb ua ke ntawm ceramic thiab silicon carbide abrasives. Cov fibers abrasive ua zoo li cov ntaub ntawv hloov tau, ua raws li cov contours ntawm ib feem, ntxuav thiab ua cov npoo thiab qhov chaw, kom ntseeg tau qhov siab tshaj plaws burr tshem tawm thiab ua kom tiav qhov chaw du. Lwm yam kev siv xws li ntug smoothing, qhov chaw tu thiab xeb tshem tawm.
Txhawm rau ua tiav cov haujlwm tiav, txhua lub tshuab CNC tshuab cov cuab yeej thauj khoom yog nruab nrog cov txhuam nylon txhuam. Txawm hais tias nws tseem siv cov nplej abrasive, xibfwb Sun hais tias NamPower txhuam yog "ib hom abrasive sib txawv" vim tias nws yog qhov tseem ceeb "tus kheej-sharpening." Nws cov qauv linear ua kom ntse tshiab abrasive hais nyob rau hauv tas li kev sib cuag nrog cov chaw ua hauj lwm nto thiab maj mam coj mus, qhia tshiab txiav hais.
"Peb tau siv NamPower abrasive nylon txhuam txhua hnub rau rau xyoo tam sim no. Lub sijhawm ntawd, peb tsis tau muaj teeb meem nrog cov khoom lossis cov xuab zeb nkag mus rau qhov chaw tseem ceeb," Mr. Sun ntxiv. "Hauv peb qhov kev paub, txawm tias cov xuab zeb me me tsis ua rau muaj teeb meem."
Cov khoom siv rau kev sib tsoo, honing, lapping, superfinishing thiab polishing. Piv txwv xws li garnet, carborundum, corundum, silicon carbide, cubic boron nitride thiab pob zeb diamond hauv ntau qhov ntau thiab tsawg.
Ib yam khoom uas muaj cov khoom siv hlau thiab yog tsim los ntawm ob lossis ntau lub ntsiab lus, yam tsawg kawg yog ib qho hlau.
Ib feem zoo li xov ntawm cov khoom uas ua rau ntawm ntug ntawm lub workpiece thaum lub sij hawm machining. Nws feem ntau yog ntse. Nws tuaj yeem raug tshem tawm los ntawm cov ntaub ntawv tes, sib tsoo lub log lossis siv hlua, lub log hlau, txhuam txhuam, dej jetting, lossis lwm txoj hauv kev.
Tapered pins yog siv los txhawb ib lossis ob qho kawg ntawm lub workpiece thaum lub sij hawm machining. Qhov chaw yog muab tso rau hauv ib lub qhov drilled nyob rau hauv qhov kawg ntawm lub workpiece. Lub chaw uas tig nrog lub workpiece yog hu ua "nyob chaw" thiab lub chaw uas tsis tig nrog lub workpiece yog hu ua "qhov chaw tuag."
Lub microprocessor-based maub los tshwj xeeb tsim los siv nrog cov cuab yeej siv tshuab los tsim lossis hloov qhov chaw. Lub programmed CNC system activates lub tshuab servo system thiab spindle tsav thiab tswj ntau yam machining ua haujlwm. Saib DNC (kev tswj tus lej ncaj qha); CNC (lub computer lej tswj).
Cov kua dej uas txo qhov kub nce ntawm lub cuab yeej / workpiece interface thaum lub sij hawm machining. Feem ntau ua kua, xws li soluble los yog tshuaj tov khoom (semi-synthetic, hluavtaws), tab sis kuj yuav compressed cua los yog lwm yam gases. Vim tias cov dej muaj peev xwm nqus tau cov cua kub ntau, nws yog dav siv los ua cov cab kuj rau cov coolants thiab ntau yam khoom siv hlau. Qhov sib piv ntawm cov dej rau cov dej ua haujlwm hlau sib txawv nyob ntawm qhov ua haujlwm machining. Saib txiav kua; semi-synthetic txiav kua; roj-soluble txiav kua; hluavtaws txiav kua.
Kev siv phau ntawv siv lub cuab yeej nrog ntau cov hniav me me los ua kom pom cov ces kaum ntse thiab protrusions, thiab tshem tawm burrs thiab nicks. Txawm hais tias ua ntaub ntawv feem ntau yog ua los ntawm tes, nws tuaj yeem siv los ua cov kauj ruam nruab nrab thaum ua cov khoom me me lossis cov khoom tshwj xeeb uas siv cov ntaub ntawv hluav taws xob lossis cov khoom siv contour pom nrog cov ntaub ntawv tshwj xeeb txuas.
Machining kev ua haujlwm nyob rau hauv uas cov khoom raug tshem tawm ntawm ib lub workpiece los ntawm kev sib tsoo log, pob zeb, abrasive siv, abrasive pastes, abrasive discs, abrasives, slurries, thiab lwm yam. Machining siv ntau hom: nto sib tsoo (tsim tiaj tus thiab / los yog square); cylindrical sib tsoo (ntawm sab nraud lub tog raj kheej thiab cones, fillets, recesses, thiab lwm yam); centerless sib tsoo; chamfering; xov thiab duab sib tsoo; cuab yeej sharpening; random sib tsoo; lapping thiab polishing (sib tsoo nrog grit zoo heev los tsim ib qho chaw du heev); honing; thiab disc sib tsoo.
CNC tshuab uas tuaj yeem ua drilling, reaming, tapping, milling, thiab tho txawv. Feem ntau nruab nrog lub tshuab hloov pauv tsis siv neeg. Saib cov cuab yeej hloov pauv tsis siv neeg.
Qhov ntev ntawm lub workpiece yuav muaj qhov tsawg kawg nkaus thiab siab tshaj qhov sib txawv ntawm cov qauv tsim, thaum tseem siv tau.
Lub workpiece yog clamped nyob rau hauv ib tug chuck, uas yog mounted rau ib tug faceplate los yog tsau nyob rau hauv nruab nrab ntawm cov chaw. Raws li lub workpiece tig, ib qho cuab yeej (feem ntau yog ib qho cuab yeej taw tes) yog pub rau ntawm qhov chaw, qhov kawg, lossis qhov chaw ntawm lub workpiece. Hom workpiece machining muaj xws li: txoj kab ncaj nraim (txiav ib ncig ntawm lub workpiece); taper tig (shaping ib lub khob); kauj ruam tig (tig qhov sib txawv ntawm qhov sib txawv ntawm tib lub workpiece); chamfering (beveling ntug los yog xub pwg); ntsej muag (trimming tom kawg); threading (feem ntau yog sab nraud, tab sis yuav yog sab hauv); roughing (tseem ceeb hlau tshem tawm); thiab ua tiav (qhov kawg lub teeb txiav). Nws tuaj yeem ua rau ntawm tshuab dhos, tig chaw, chuck lathes, tshuab dhos tsis siv neeg, thiab cov tshuab zoo sib xws.
Post lub sij hawm: May-26-2025