CMM Inspection Report Txhais Lus Qhia Rau Precision Machining

Hauv precision manufacturing, aCMM soj ntsuam daim ntawv qhiayog daim ntawv pov thawj hnub yug ntawm cov khoom siv machined. Rau ib tug procurement lead los yog project engineer ntawmXiamen Dazao Machinery, tau txais ib nplooj ntawv 5OQC (Outgoing Quality Control)ceeb toom tuaj yeem dhau. Feem ntau cov neeg koom nrog hla ncaj qha mus rau qhov kawg Pass lossis Fail checkmark. Txawm li cas los xij, kev cia siab rau qhov kawg nkaus nkaus xwb yog qhov kev pheej hmoo siab - lub tswv yim uas tsis quav ntsej txog kev noj qab haus huv ntawm cov khoom siv.

Nkag siab txog cov logic tom qab Coordinate Measuring Machine (CMM) cov ntaub ntawv tso cai rau koj los kwv yees cov teeb meem sib dhos ua ntej qhov chaw ntaus cov kab ntau lawm. Phau ntawv qhia no siv cov ntaub ntawv tiag tiag los ntawm Dazao Machinery Middle Plate-1 soj ntsuam daim ntawv tshaj tawm los deconstruct technical parameters thiab txheeb xyuas qhov pheej hmoo zais.

CMM Cov Ntaub Ntawv Parameters Nominal Measured and Deviation Explained

Ib tug qauvCov ntaub ntawv pov thawj zoolayout pib nrog linear qhov ntev. Hauv Dazao tsab ntawv ceeb toom rau Middle Plate-1, lub hauv paus qhia cov ntaub ntawv tseem ceeb txog kev taug qab: Ntu Lub Npe, Hnub Tim (07.21.2025), thiab Cov Khoom Suav.

Cov lej ntawm Deviation

Daim ntawv tshaj tawm rhais kev ntsuas rau hauv plaub kab tseem ceeb:

· NOMINAL:Qhov theoretical CAD dimension txhais los ntawm pab pawg engineering.

· MEAS (Kev ntsuas):Tus nqi tiag tiag ntes los ntawm CMM sojntsuam.

· DEV (Deviation):Lub delta ntawm MEAS thiab NOMINAL.

· TOL (Tolerance):Qhov chaw tso cai (+/-).

Case Study Analysis: Distance 8 (X-Axis)

Saib daim duab 1 ntawm Dazao tsab ntawv ceeb toom:

· Nominal:25.800 mm

· MEAS:25.744mm 3

· DEV:-0.056 hli

· TXL:± 0.100 hli

Thaum qhov no yog nyob rau hauv -Kev kam rau siab, lubKev sib txawv tsis zoo (-0.056)qhia tias ib feem yog me ntsis hauv qab - loj. Rau cov engineers, qhov tsis zoo sib txawv ntawm ntau yam nta feem ntau qhia cov cuab yeej hnav lossis tshem tawm cov khoom siv ntau dhau thaum lub sijhawm ua tiav. Kev sib txawv zoo sib xws yuav qhia tau tias xav tau kev hloov kho cov cuab yeej offset hauvCNC machiningtxheej txheem.

Geometric Dimensioning thiab Tolerancing Red Flags hauv OQC Daim Ntawv Qhia

Linear qhov ntev tsuas yog ib nrab ntawm zaj dab neeg.Feature Control Frames (FCF)txhais cov duab, kev taw qhia, thiab qhov chaw ntawm cov yam ntxwv. Qhov no yog qhov uas feem ntau kev ua tsis tiav los ua ke.

Perpendicularity yuam kev thiab hauv paus ua rau Analysis

Saib xyuasFCF Perpendicularity 3 (Post 3)hauv tsab ntawv ceeb toom:

· NOMINAL: 0.000

· TXL:0.050 hli

· DEV:0.180 hli

CMM software tsim tau ntevliab xubhauv qhov xwm txheej bar. Qhov sib txawv ntawm 0.180mm tawm tsam 0.050mm txwv yog qhov loj heev. Ntawm Dazao, xws li spikes taw rau cov teeb meem kev tsim khoom tshwj xeeb:

1.Kev ua haujlwm tsis ruaj khov:Qhov seem tau txav thaum lub sij hawm milling.

2.Tool Rigidity:Xaus zeb deflection rau saum tus ncej.

3.Thermal Expansion:Cov khoom tsis yog normalized ntawm roughing thiab xov.

Dazao nthuav tawm cov ntsiab lus raw cov ntaub ntawv pob tshab. Qhia qhov xwm txheej liab tso cai rau kev sib koom tes DFM kev sib tham es tsis zais cov txheej txheem tsis ruaj khov.

3D Thaum tshav kub kub daim ntawv qhia rau kwv yees ib feem los ua ke thiab haum teeb meem

Niaj hnubCMM cov ntaub ntawv tshuaj xyuassuav nrog 3D graphical sawv cev. Cov no yog cov cuab yeej kuaj mob spatial.

Vim li cas Parts Pass Data Tab sis Fail Assembly?

Ib feem yuav pom 95% ntsuab nyob rau hauv cov ntaub ntawv rooj tab sis tseem tsis haum rau nws mating tivthaiv. 3D Daim Ntawv Qhia Thaum tshav kub kub daws qhov tsis paub tseeb.

Edge Effect:
Daim ntawv ceeb toom liab cheeb tsam tsom rau ntawm cov npoo ntawm Nruab Nrab Phaj. Yog tias cov cheeb tsam liab coincide nrog amating nto, koj yuav ntsib kev cuam tshuam thaum lub rooj sib txoos. Txawm hais tias qhov nruab nrab qhov ntev yog nyob rau hauv siab, lub Peak sib txawv ntawm ntug tuaj yeem tiv thaiv kom haum. Dazao QC pab pawg siv cov xim faib tawm los kwv yees nyuaj-kom- haum rau thaj chaw thiab ua lub teeb theem nrab- hla kom ntseeg tau tias ua haujlwm tau zoo.

Nyiaj Txais Tolerance thiab cov khoom siv siab tshaj plaws MMC Risks

Bonus kam rau uahais txogMaximum Material Condition (MMC). Yog hais tias ib lub qhov yog machined loj dua nws qhov tsawg kawg nkaus txwv, qhov chaw ntxiv tso cai rau ntau qhov kev ua yuam kev tsis muaj kev cuam tshuam.

Dazao Standard:
Bonus Tolerance yuav tsum tau siv ceev fajnias -fitcov khoom. Yog tias koj tus qauv tsim los ntawm kev cuam tshuam nruj haum rau cov kabmob, lees txais qhov Bonus ntawm lub qhov uas twb loj dhau lawm yuav ua rau cov kabmob xoob. Peb chij qhov twg Bonus Tolerance tau thov kom koj pab neeg ua ke tau npaj.

Dazao Case Study Vim li cas Point Sampling Density Matters hauv QA

Ib qho tseem ceeb hauv Dazao qhov kev hloov pauv tau cuam tshuam nrog cov khoom siv neeg hlau uas muaj Green CMM cov ntaub ntawv tab sis raug tsis lees paub. CMM sojntsuam siv tsawgsampling ceev, noj tsuas yog 4 cov ntsiab lus los ntsuas lub bore loj. Nws ncosubtle ntowaviness tshwm sim los ntawm ib tug hnav spindle bearing.

Ua raws li ntawdTIAB SA 16949-tsav kev kho kom raug, Dazao hloov kho cov txheej txheem tshuaj xyuas. Tam sim no peb siv qhov siab -qhov ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom. Peb muab ib daim ntawv tshaj tawm nrog 200 cov ntsiab lus qhia qhov sib txawv me ntsis es tsis yog daim ntawv qhia 4-point uas zais qhov kev tsim khoom tsis raug.

Lub tswv yim tswv yim rau Kev Muag Khoom thiab QA Pab Pawg

Thaum tshuaj xyuas anyeem OQC tsab ntawv ceeb toomlos ntawm Dazao lossis lwm tus neeg muab khoom Tier-1, ua raws li cov kauj ruam no:

1.Txheeb xyuas Trends:Yog tias qhov ntsuas qhov sib txawv mus rau qhov kev txwv tsis zoo, kev siv cuab yeej yuav nyob ze rau qhov kawg ntawm nws lub neej.

2.Audit Red Zones:Nug rau Txoj Kev Npaj Kho. Yog tias muaj qhov yuam kev perpendicularity, puas tau kho dua -aligned?

3.Txheeb xyuas Lub Luag Haujlwm:Txhua daim ntawv tshaj tawm Dazao yog lub sijhawm- stamped thiab txheeb xyuas los ntawm tib neeg cov thawj coj, ua kom pom tseeb cov ntaub ntawv pov thawj zoo.

Dazao Machinery muab cov ntaub ntawv - tsav kev ntseeg siab tias cov khoom yuav ua haujlwm hauv thaj teb. Transparency hauv kev tshaj tawm yog lub hauv paus ntawm peb cov kev koom tes hauv aerospace thiab kev kho mob.