6 Yam Tseem Ceeb Uas Ua Rau CNC Part Precision
Taw qhia
Thaum muab khoomCNC machined qhov chaw, precision yog ib qho tseem ceeb tshaj plaws rau cov neeg kho tshuab engineers, cov khoom tsim khoom, thiab cov neeg yuav khoom lag luam. Txawm tias muaj cov cuab yeej siv 3-axis, 4-axis, thiab 5-axis CNC, ntau qhov chaw tiav tseem tsis tau txais qhov ntev, qhov ua tiav, thiab cov kev xav tau sib dhos.
Nyob rau hauv qhov tseeb industrial ntau lawm txheeb cais, unqualified CNC qhov tshwm sim los ntawm pluag precision account rau32% ntawm tag nrho cov khoom siv rov ua haujlwm(Cov ntaub ntawv Source: International Manufacturing Technology Show IMTS 2024 Industry Quality Report). Cov neeg yuav khoom feem ntau tsuas yog tsom rau cov duab kos thiab tus nqi, tsis quav ntsej txog qhov zais cia uas rhuav tshem qhov raug thaum ua tiav.
Kab lus no tawg lawm6 core tiag tiag yam uas rhuav tshem CNC qhov precision, qhia cov tswv yim qhia txog cov tswv yim thiab kev txhim kho cov kev daws teeb meem, pab koj kom tsis txhob muaj cov khoom tsis raug, rov ua dua tshiab, thiab cov nqi ntxiv.
Tsis ruaj tsis khov Raw Material Properties
Cov khoom siv raw yog lub hauv paus ntawm CNC precision. Ntau tus neeg muag khoom tau txiav cov nqi los ntawm kev siv cov khoom sib xyaw, cov khoom siv rov ua dua tshiab, lossis cov khoom siv tsis sib xws, ncaj qha ua rau qhov sib txawv ntawm qhov sib txawv tom qab ua tiav.
Cov hlau sib txawv muaj qhov sib txawv hardness, ductility, thiab thermal expansion coefficients. Piv txwv li, 6061 aluminium alloy thiab 7075 aluminium alloy muaj qhov sib txawv hauv kev txiav kev ntxhov siab. Yog lub Hoobkas tsis uakev laus kev kho mob thiab kev ntxhov siabua ntej ua, ib feem yuav deform ib txwm nyob rau hauv 72 teev tom qab CNC txiav.
Raws li cov2024 Ntiaj Teb Hlau Ua Raw Khoom Zoo Kev Tshawb Fawb, ze li ntawm 28% ntawm cov chaw tsim khoom me me thiab nruab nrab CNC hla cov khoom siv raw cov khoom sib xyaw kom txuag sijhawm thiab nqi. Qhov no yog thawj qhov ua rau ntev - lub sij hawm seem tsis ruaj tsis khov ntawm cov khoom kho.
Tswv yim tswv yim rau cov neeg yuav khoom
Xav tau cov neeg muab khoom los muabCov ntaub ntawv pov thawj (MTC)ua ntej pawg ntau lawm
Rau siab -qhov precision, qhia cov khoom raw batch naj npawb thiab soj ntsuam daim ntawv qhia
Tsis txhob hnov qab txog cov khoom siv rov ua dua tshiab rau aerospace, tsheb thiab cov khoom siv kho mob
CNC tshuab cuab yeej Accuracy Aging & Improper Maintenance
Ntau tus neeg yuav khoom tsuas yog nug txog 3-axis lossis 5-axis tshuab, tsis quav ntsej covkev pab cuam lub neej thiab kev tu txhua hnub ntawm cov khoom siv.
Ib qho tshiab 5-axis CNC chaw tuaj yeem tswj tau qhov rov ua haujlwm qhov tseeb ntawm ± 0.005mm, tab sis tom qab 5-8 xyoo ntawm kev ua haujlwm ntev - lub sijhawm ua haujlwm siab tsis tu ncua kev tsheb nqaj hlau, kev tu spindle thiab lubrication hloov, qhov raug yuam kev yuav nthuav dav mus rau ± 0.02mm lossis ntau dua.
Kev lag luam cov ntaub ntawv los ntawmAmerican Machine Tool Builders Association (AMT)qhia tau hais tias: cov khoom siv CNC tsis muaj qhov ntsuas qhov ntsuas qhov ntsuas peb lub hlis twg yuav ua rau muaj qhov tsis xws luag ntawm 41% hauv ib xyoos. Ntau lub rooj cob qhia me me siv cov laus thib ob- cov cuab yeej siv tes ua kom tau siab - qhov kev txiav txim siab, uas yog vim li cas ntau qhov kev hloov kho ib txwm muaj qhov tsis sib xws hauv kev tsim khoom ntau.
Yuav Ua Li Cas Txiav Txim Cov Khoom Siv Khoom Muaj Kev Ntseeg
Nug rau cov khoom siv xyoo, cov qauv thiab cov ntaub ntawv ntsuas ntsuas tsis tu ncua
Ua ntej yuav koom tes nrog cov chaw tsim khoom nrog cov khoom siv niaj hnub / txhua lub lim tiam
Qhov siab kam rau ua qhov siab (± 0.01mm) yuav tsum tau tsim los ntawm cov tshuab tshiab lossis tshiab calibrated 5-axis
Tsis tsim nyog txiav Parameter teeb
Txiav ceev, pub tus nqi, cuab yeej qhov tob thiab cov cuab yeej xaiv ncaj qha cuam tshuam rau CNC qhov precision thiab nto tiav. Ntau tus neeg ua haujlwm tshiab vam khom rau kev paub ntau dua li cov txheej txheem txheej txheem, uas ua rau cov cuab yeej vibration, burrs thiab seem offset.
Rau cov hlau tsis muaj steel thiab titanium alloy qhov chaw, qhov kev txiav tsis raug yuav tsim kom muaj cua sov ntau dhau, ua rau lub hauv paus thermal deformation ntawm lub workpiece. Yog tias cov kua dej txias thiab cov tshuaj tsuag tsis sib haum, qhov kev ua yuam kev yuav raug ntxiv.
Cov kws tshaj lij CNC cov chaw tsim khoom yuav tsim cov kev txiav txim siab ywj pheej raws li cov ntaub ntawv sib txawv thiab cov qauv tsim, thiab kho cov txheej txheem tsis ua haujlwm hauv ntau lawm. Cov chaw tsim khoom me me feem ntau kho qhov tsis sib xws los ntawm cov neeg ua haujlwm, ua rautxawv precision rau tib batch ntawm qhov chaw.
Fixture Clamping Deformation & Unreasonable Positioning
Fixture clamping yog yooj yim overlooked tab sis muaj kev cuam tshuam loj heev ntawm precision. Nyias-walled aluminium qhov chaw, hollow structural qhov chaw feem ntau nquagclamp deformation: nruj heev clamping yuav nyem lub workpiece los tsim kev ntxhov siab nyob rau hauv, thiab rebound deformation yuav tshwm sim tom qab ua tiav; xoob clamping dhau lawm yuav ua rau hloov chaw thaum txiav.
Professional precision CNC manufacturers yuav tsim kev cai tshwj xeeb fixtures rau complex structural qhov chaw, es tsis txhob siv zoo tib yam universal fixtures blindly. Nyob rau tib lub sijhawm, txoj haujlwm clamping yuav zam qhov kev zam ntawm qhov tseem ceeb ntawm daim duab, kom ntseeg tau tias qhov sib dhos loj yog sib npaug.
Hauv cov khoom siv tiag tiag, ntau tus neeg yuav khoom xa rov qab yog tshwm sim los ntawm kev txhim kho deformation ntau dua li kev siv tshuab nws tus kheej.
Tool Wear & Unreasonable Tool Replacement Cycle
Cov cuab yeej txiav yog cov khoom siv. Tom qab ntev - lub sij hawm txiav, cov cuab yeej ntug hnav yuav ua rau burrs, seem shrinkage thiab tsis zoo nto roughness.
Cov cuab yeej siv tawv tawv ua cov khoom siv txhuas zoo tib yam tuaj yeem tswj kev ruaj ntseg rau lub sijhawm ntev, tab sis kev ua cov hlau tsis muaj steel, tooj liab thiab titanium alloy yuav ua rau hnav. Yog tias lub Hoobkas tsis hloov cov cuab yeej raws li qhov ntau lawm, tab sis tsuas yog hloov lawv tom qab kev puas tsuaj pom tseeb, qhov tseeb ntawm cov khoom tom qab yuav ua tiav tag nrho.
Standard loj factories muaj meej hloov cov qauv kom muaj nuj nqis; feem ntau cov kev cob qhia me me hloov cov cuab yeej casually, uas yog ib qho ntawm cov laj thawj zais rau qhov tsis ruaj khov batch precision.
Ncej -Kev Ua Haujlwm & Kev Kho Hniav Qhov Ncauj Kev Nyuaj Siab
Ntau tus neeg yuav khoom tsuas yog tsom rau CNC ua qhov loj me, tsis quav ntsej qhov kev poob siab los ntawm kev tshaj tawm - kev kho mob: anodizing, sandblasting, polishing, kev kho cua sov yuav ua rau me me hloov pauv thiab kev ntxhov siab tso tawm.
Tshwj xeeb tshaj yog rau nyias- cov phab ntsa thiab cov qhov me me, anodizing zaj duab xis thickness yuav cuam tshuam rau kev sib koom ua ke; tsis raug siab -kub kho cua sov yuav ua rau tag nrho khoov thiab deformation ntawm qhov chaw.
Cov neeg muag khoom ntseeg siab yuav khaws ciaprecision pubua ntej raws li kev tshaj tawm - cov txheej txheem ua haujlwm, offsetting qhov hloov pauv loj los ntawm kev kho saum npoo. Factories yam tsis muaj txheej txheem tsub zuj zuj feem ntau ua tiav CNC ua ntej thiab tom qab ntawd ua qhov chaw kho mob ntawm qhov xav tau, ua rau cov khoom tsim nyog dawb paug tab sis tawm - ntawm - kam rau ua tiav cov khoom.
Xaus
CNC ib feem precision yeej tsis tau txiav txim siab los ntawm ib qho, tab sis koom ua ke cuam tshuam los ntawm cov khoom siv raw, cov cuab yeej siv tshuab, txiav tsis, fixtures, cov cuab yeej thiab tom qab- ua.
Raws li tus neeg yuav khoom lossis tus tsim qauv, tsuas yog los ntawm kev nkag siab txog 6 qhov tseem ceeb cuam tshuam rau koj tuaj yeem tshuaj xyuas cov neeg muab khoom lag luam txhim khu kev qha, tsim nyog tsim kev ua siab ntev, txo qis kev ua haujlwm thiab rov qab poob, thiab ua kom cov khoom lag luam ruaj khov.
Yog koj xav taukev cai CNC machined qhov chaw nrog nruj kam rau ua raws cai, koj tuaj yeem tshawb xyuas peb nplooj ntawv kev pabcuam kev cai kom tau txais kev tshaj lij -tso tseg cov kev daws teeb meem.
