Progressive Die Engineering Secrets: Ua tiav ± 0.01mm Tolerances hauv Precision Copper Terminals

Precision tooj liab terminals yuav tsum tau ± 0.01mm dimensional kam rau ua nyob ntawm tsawg dua ntawm kev soj ntsuam zaum kawg dua li ntawm kev txhim kho tuag architecture, kev tswj cov khoom, thiab hauv - kev saib xyuas. Rau siab -Volume Precision Progressive Die Stamping, tuag clearance, carbide punch geometry, multi-theem dabtsi yog khoov, strip taw qhia, thiab sensor tawm tswv yim yuav tsum tau tsim raws li ib tug tswj system.

 

Rau EV roj teeb terminals, fais fab -electronics connectors, relay Cheebtsam, thiab siab -tam sim no hluav taws xob tiv tauj, seem drift tuaj yeem ua rau muaj kev tiv thaiv, cuam tshuam lub zog sib dhos, lossis tsim kev tsis sib haum xeeb thaum lub tshuab nqus tsev. Lub siab - precision tooj liab stamping OEM yog li yuav tsum tau tswj cov txheej txheem tsim ntawm qhov tuag es tsis txhob sim kho qhov hloov pauv tom qab stamping.

 

 

 

Ib qho kev tuag ua tiav hloov pauv cov coil Tshuag rau hauv lub davhlau ya nyob twg tiav los ntawm kev sib txuas ua ke, blanking, npib, sib sau, khoov, thiab txiav - tawm haujlwm. Ntawm ± 0.01 mm kam rau ua, txhua qhov chaw nres tsheb pab txhawb rau qhov kawg seem pawg -up.

 

Kev tsim qauv tuag yuav tsum tsim kom muaj qhov system ruaj khov ua ntej tus kheej chaw nres tsheb geometry tsim. Kev ua haujlwm qhov ntev yuav tsum tau hais txog tib lub strip datum qhov twg los tau es tsis yog khaws cia rau ntawm qhov khoov ua ntej lossis qhov.

 

IATF 16949 datum tswj rau ± 0.01mm davhlau ya nyob twg stamping

 

Lub tswv yim datum architecture cais lub davhlau ya nyob twg rau hauv peb pawg tswj hwm:

Primary datum: carrier strip los yog nrhiav feature tswj sawb suab.
Secondary datum: pilot qhov lossis precision - tho feature tswj txoj hauj lwm longitudinal.
Functional datum: davhlau ya nyob twg kev sib cuag, mounting qhov, los yog mating nto tswj kev sib dhos yuav tsum tau.

Rau siab -kev txiav tooj liab stamping, cov txheej txheem cov hom phiaj muaj xws li:

 

Parameter	Lub Hom Phiaj Engineering	Thawj Tswj Hwm
Ua tiav qhov tseem ceeb	± 0.01 hli	Tuag geometry + CMM
Sawb suab	± 0.01-0.02 hli	Pilot system
Qhov taub	± 0.01 hli	Carbide punch / tuag clearance
Burr qhov siab	Txheej txheem- tshwj xeeb	Punch ntug + clearance
Khoov lub kaum sab xis	± 0.5℃los yog nruj dua	Multi-theem forming
Khoom thickness	Cov khoom specification	Kev tshuaj xyuas tuaj
Tuag alignment	Micron- theem tswj txheej txheem	Tuag tu + coj system
Kev txheeb xyuas qhov tseeb kawg	CMM	Cov ntaub ntawv PPAP Qib 3

 

Lub ntsiab lus tseem ceeb yog tias ± 0.01mm yuav tsum tsis txhob raug kho raws li kev soj ntsuam zaum kawg nkaus xwb. Yog hais tias tus txheej txheem muaj peev xwm tswj tsis tau qhov dimension thaum lub sij hawm tas mus li ntau lawm, sorting tiav qhov chaw yuav tsis ua tus txheej txheem tswj.

 

C1100 thiab C2680 cov khoom coj tus cwj pwm raws li IATF 16949 tswj

Tooj liab terminals yog rhiab heev rau ob qho tib si cov khoom thickness thiab mechanical zog. C1100 ntshiab tooj liab muaj cov hluav taws xob conductivity siab, thaum C2680 tooj dag muab lub zog ntau dua thiab sib txawv ntawm tus cwj pwm.

 

Khoom	C1100 ntshiab tooj liab	C2680 tooj dag
Qhov txiaj ntsig tseem ceeb	High hluav taws xob conductivity	Kev siv zog ntau dua
Tej daim ntawv thov	Siab -tam sim no terminals, busbar interfaces	Connector terminals, cov qauv kev sib cuag
Tsim tus cwj pwm	High ductility; deformation tuaj yeem ua rau muaj kev hloov pauv hloov pauv	Siab zog; ntau zog tsim
Kev coj ua	Txog li kwv yees li 100% IACS nyob ntawm qhov xwm txheej	qis dua cov tooj liab ntshiab
Tooling xav txog	Adhesion thiab galling tswj	Kev ua haujlwm siab dua
Deg yuav tsum tau	Kev siv hluav taws xob tiv tauj yuav tsum tau plating	Tin / nickel plating feem ntau siv

 

Cov ntaub ntawv pov thawj yuav tsum muaj kev cuam tshuam nrog coil ntau, temper, thickness, thiab stamping kev taw qhia. Ib qho kev hloov khoom siv uas zoo li qhov sib npaug ntawm qhov kos duab tuaj yeem hloov txoj kev quab yuam thiab springback.

 

Thov Kev Ntsuam Xyuas DFM Dawb & Tso Cai

 

 

Punch cov ntaub ntawv ncaj qha cuam tshuam rau ntug kev ruaj ntseg, burr tsim, seem rov ua dua, thiab txij nkawm ncua sij hawm. Rau cov tooj liab terminals uas yuav tsum tau ua haujlwm ntev, kev xaiv ntawm hardened SKD11 thiab carbide yuav tsum yog raws li kev thauj khoom, geometry, cov khoom siv, thiab cov kev xav tau ntawm cov hlab ntsha.

 

Tungsten carbide vs SKD11 rau siab - stamping precision

 

Khoom siv	Cov yam ntxwv zoo	Daim ntawv thov Precision	Tseem ceeb Risk
Tungsten carbide	High hardness thiab hnav tsis kam	Zoo piercing, nqaim qhov, qhov tseem ceeb qhov	Brittle nyob rau hauv kev cuam tshuam los yog misalignment
SKD 11	High hardness, toughness, machinability	General punches, tuag, sib sau inserts	Ntug hnav dhau mus ntev
Carbide + SKD11 ua ke	Hnav- tiv taus txiav nrog kev txhawb nqa hnyav dua	High -Volume progressive tuag	Yuav tsum tau tswj los ua ke
Coated cuab yeej steel	Txo kev sib txhuam thiab txhim kho kev coj cwj pwm	High -kev tsim khoom ceev	Txheej puas yog tias substrate tsis ruaj khov

 

Rau qhov zoo kawg nkaus piercing, carbide punches muaj peev xwm tswj tau ib tug sharper txiav ntug tshaj ncua ntau lawm. Txawm li cas los xij, carbide yuav tsum tsis txhob xaiv tsuas yog vim nws nyuaj dua.

 

Ib qho tsis zoo carbide punch tuaj yeem tawg qhov twg SKD11 punch yuav deform lossis hnav maj mam.

 

1. Tuag clearance tswj burr qhov siab thiab seem stability

Copper muaj cov ductility siab thiab tuaj yeem tsim qhov tsis xav tau rollover, burr, los yog lwm yam deformation thaum clearance tsis zoo matched rau cov khoom thickness.

Kev tshem tawm tau zoo nyob ntawm:

Copper alloy thiab temper
Khoom thickness
Punch geometry
Txiav ceev
Yuav tsum tau burr qhov siab
Qhov taub
Kev cia siab lub neej

Rau qhov siab - lub davhlau ya nyob twg qhov tseeb, qhov kev tshem tawm qhov tuag yuav tsum tau ua pov thawj kev sim tsis yog theej los ntawm cov lus feem pua.

Kev sib tw tsim khoom yuav tsum sib txheeb:

clearance → txiav quab yuam → tawg tsam → burr qhov siab → dimensional deviation → cuab yeej hnav

Qhov no tsim lub qhov rais txheej txheem ntsuas rau kev kho tuag tom ntej.

 

2. SKD11 kev txhawb nqa cov qauv txo cov kev pheej hmoo ntawm carbide tawg

Carbide inserts yuav tsum tau kev txhawb nqa mechanically es tsis raug rau qhov tsis muaj kev tswj xyuas sab nraud. Precision progressive tuag feem ntau muab cov carbide txiav cov khoom nrog cov cuab yeej hardened - cov tuav steel, cov qauv qhia, thiab cov khoom siv hloov tau.

Lub hom phiaj tsis yog qhov siab tshaj plaws hardness. Lub hom phiaj yog tswj load kis tau tus mob.

 

 

Khoov feem ntau yog qhov loj tshaj plaws ntawm qhov sib txawv ntawm qhov sib txawv tom qab tho. Ib lub davhlau ya nyob twg tuaj yeem tawm ntawm qhov chaw txiav tawm tsis pub dhau qhov ua siab ntev thiab tseem ua tsis tiav qhov kev tshuaj xyuas zaum kawg vim tias elastic rov qab hloov nws lub kaum sab xis lossis qhov siab ua haujlwm.

 

Springback cuam tshuam los ntawm:

Cov khoom muaj zog yield
Ua haujlwm -kev coj tus cwj pwm hnyav
Khoov vojvoog
Khoom thickness
Noob nplej
Lub kaum sab xis
Tool vojvoog
Tus naj npawb ntawm cov txheej txheem
Tiv tauj siab
Cov cuab yeej hnav

Multi-theem forming txo angular variation raws li IATF 16949 tswj

High -precision progressive tuag yuav tsum tsis txhob yuam kev khoov hnyav rau hauv ib qho chaw nres tsheb thaum twg qhov kawg geometry yog rhiab rau springback.

 

Ib qho kev ua ntu zus tuaj yeem siv:

Pre-forming: tsim qhov pib khoov geometry.
Intermediate forming: nce lub kaum sab xis thaum faib cov yas deformation.
Calibration forming: tsim kom muaj lub kaum ntse ntse ua haujlwm kawg.
Coining lossis restrike: stabilize qhov chaw tseem ceeb thaum xav tau.
Kev tshuaj xyuas zaum kawg: txheeb xyuas cov ntaub ntawv ua haujlwm siv CMM lossis cov ntsuas ntsuas siab.

 

Txoj Kev Ua Tswv Yim	Springback Control	Tool Load	Dimensional Repeatability
Ib zaug - theem khoov	txwv	Siab load hauv zos	qis
Ob - theem khoov	Txhim kho	Muab faib	Txhim kho
Peb- theem tsim	Siab tswj	Muab faib	Siab
Kev tsim + kev tawm tsam	Siab heev rau cov yam ntxwv xaiv	Siab kawg load	Siab
Npib	Muaj zog hauv zos deformation tswj	Siab	Siab rau cov yam ntxwv tswj

 

Tus naj npawb ntawm cov chaw nres tsheb yuav tsum txiav txim siab los ntawm cov khoom siv coj los siv thiab cov duab geometry es tsis yog los ntawm cov cuab yeej ruaj khov.

 

Khoov nyiaj yuav tsum tau ua rau hauv qhov tuag

Yog hais tias lub davhlau ya nyob twg xav tau lub kaum sab kawg ntawm 90 degree, txoj kev punch yuav tsum tsis tas yuav tsum tau tsim nyob ib ncig ntawm nominal 90℃cuab tam txoj hauj lwm.

Cov txheej txheem tiag tiag yuav xav tau tshaj - tsim, ua raws li kev tswj hwm elastic rov qab.

 

Rau kev tsim khoom siv tau, pab pawg engineering yuav tsum sau tseg:

Lub kaum ntse ntse
Qhov tseeb stamped lub kaum sab xis
Springback kaum sab xis
Khoom siv ntau
Sawb kev taw qhia
Tool stroke
Ntau lawm stroke suav

Qhov no tsim kom muaj kev sib raug zoo ntawm cov cuab yeej geometry thiab ua tiav - qhov sib txawv.
 

 

 

Kev ua haujlwm loj zuj zus ntawm kev mob stroke siab tsis tuaj yeem nyob ntawm qhov kawg - ntawm - kev tshuaj xyuas kab. Lub punch puas lawm, cov khoom uas ploj lawm, noj yuam kev, los yog ob lub strip tuaj yeem tsim ntau pua qhov chaw ua ntej tus neeg teb xov tooj pom qhov teeb meem.

 

Hauv - tuag sensors hloov cov txheej txheem xaiv rau hauv cov cim tsim khoom tam sim.

 

Sensor- tswj kev nce qib stamping nyob rau hauv PPAP Qib 3

 

Cov ntsiab lus saib xyuas muaj xws li:

Cov khoom muaj nyob
Sawb txoj hauj lwm
Pilot kev koom tes
Qhov muaj nyob
Kev kuaj pom tsis raug
Muab ob npaug rau khoom
Punch tawg
Kev lees paub ejection
Tuag overload
Tsim txoj hauj lwm

 

Sensor Function	Detectable condition	Kev pheej hmoo ntau lawm yog tias Tsis Tswj
Sawb sensor	Cov khoom ploj lawm	Mob stroke
Pilot sensor	Txoj hauj lwm strip tsis raug	Qhov / khoov misalignment
Ib feem sensor	Part tsis ejected	Tuag obstruction
Punch saib xyuas	Punch puas	Burr lossis dimensional tsis ua haujlwm
Load saib xyuas	Txoj kev tsim quab yuam	Cov cuab yeej puas
Kev saib xyuas noj zaub mov	Suab tsis raug	Chaw nres tsheb misregistration
Muab ob npaug rau- daim ntawv txheeb xyuas	Khoom sib tshooj	Punch pob txha

 

Rau PPAP Qib 3, lub tswv yim sensor yuav tsum txuas nrog cov txheej txheem FMEA, kev tswj hwm txoj kev npaj, MSA cov dej num, thiab kev siv qhov ntev.

Lub sensor nws tus kheej tsis yog qhov zoo system. Nws tus nqi yog los ntawm kev txuas lub teeb liab mus rau ib qho kev npaj tshuaj tiv thaiv.

 

Cov txheej txheem muaj peev xwm yuav tsum nrog ± 0.01mm specifications

Rau qhov tseem ceeb ntawm lub davhlau ya nyob twg, Cp thiab Cpk yuav tsum tau suav los ntawm cov ntaub ntawv tsim khoom ntau dua li qhov xav tau los ntawm tus qauv ua haujlwm.

 

Qhov twg:

USL=kev txwv tshwj xeeb
LSL=kev txwv qis dua
μ=txheej txheem txhais tau tias
σ=tus qauv sib txawv

 

Yog tias qhov tshwj xeeb yog ± 0.01mm, tag nrho qhov dav dav tsuas yog 0.02mm. Cov kev hloov me me ntawm cov khoom tuab, cov cuab yeej hnav, kev sib dhos ntawm cov hlua khi, lossis kev tsim cov quab yuam tuaj yeem siv tau ib feem tseem ceeb ntawm lub qhov rais txheej txheem.

 

 

Lub tshuab ntsuas kev sib koom tes yuav tsum tsis txhob siv los ua ib qho cuab yeej lees txais zaum kawg nkaus xwb. CMM cov ntaub ntawv tseem tuaj yeem pab txhawb kev sim tuag, ua ntej -tawm kev pom zoo, kev tiv thaiv kev tiv thaiv, thiab kev hloov pauv kev siv hluav taws xob.

 

CMM ntsuas lub tswv yim rau ± 0.01mm terminals

Cov yam ntxwv tseem ceeb yuav tsum muab faib ua:

Qhov chaw
Qhov taub
Zuag qhia tag nrho ntev
Terminal dav
Khoov qhov siab
Khoov lub kaum sab xis
Hu rau txoj hauj lwm
Flatness
Tsim profile

 

CMM qhov kev pab cuam yuav tsum rov tsim dua cov qauv ua haujlwm uas tau teev tseg hauv kev kos duab engineering.

 

Piv txwv li, ntsuas lub davhlau ya nyob twg qhov siab tiv thaiv qhov tsis ruaj khov sab nrauv tuaj yeem tsim qhov kev ntsuas qhov tseeb uas tsis sawv cev rau qhov kev sib dhos tiag tiag.

 

Txoj kev tshuaj xyuas yuav tsum yog li ntawd raws li cov khoom lag luam ua haujlwm datum scheme.

 

 

 

Cov cuab yeej sib xws tsis zoo li qub. Txiav ntug hnav, tsim nto polishing, clearances hloov, thiab qhia cov khoom maj mam poob lawv cov qub mob.

 

Rau siab - ntim tooj liab lub davhlau ya nyob twg ntau lawm, kev tiv thaiv kev saib xyuas yuav tsum yog raws li cov txheej txheem ntsuas ntsuas tau ntau dua li lub sijhawm ua haujlwm tsis raug cai.

 

Cov cuab yeej- saib xyuas lub neej raws li IATF 16949 tus txheej txheem tswj

Taug qab yam tsawg kawg nkaus:

Ntau lawm stroke suav
Burr qhov siab
Qhov tseem ceeb txoj kab uas hla
Qhov tseem ceeb qhov chaw
Khoov lub kaum sab xis
Tsim qhov siab
Stamping quab yuam
Sensor tswb zaus
Punch hloov keeb kwm
Sib tsoo nyiaj

Ib qho txiaj ntsig kev saib xyuas tuaj yeem tsim tau thaum tus txheej txheem qhia txog nws txoj kev txwv.

Piv txwv li:

stroke suav → burr loj hlob → qhov dimension drift → Cpk txo → punch tu

Qhov no yog cov ntaub ntawv ntau dua li hais tias tus tuag muaj qhov theoretical "million{0}}shot life."

Cov cuab yeej lub neej nyob ntawm cov khoom, thickness, geometry, lubrication, stroke rate, tuag clearance, thiab txij nkawm xyaum.

 

Kev tu tuag yuav tsum khaws cia qhov qub datum system

Tom qab sib tsoo los yog hloov lub punch, cov khoom siv rov qab los yuav tsum tuav nws txoj kev sib raug zoo nrog:

Pilot system
Qhia ncej
Tuag ntxig
Sawb cab kuj
Qhov chaw sib sau ua ke

Hloov ib qho kev hnav ib zaug yam tsis tau kuaj xyuas qhov chaw nres tsheb ua tiav tuaj yeem ua kom paub qhov kev hloov pauv tshiab.

 

 

Cov matrix hauv qab no qhia txog kev sib raug zoo ntawm cov khoom xav tau thiab kev txiav txim siab ntawm cov cuab yeej.

 

Yam khoom xav tau	Pom zoo Engineering Control	Kev pov thawj
± 0.01 hli qhov dav	Carbide punch + tswj kev tshem tawm	CMM
Siab - ntim tho	Carbide txiav Cheebtsam	Kev ntsuas Burr
Complex Terminal Geometry	Multi-theem forming	Profile / CMM
Sensitive khoov lub kaum sab xis	Ua ntej-form + calibration/restrike	Lub kaum ntse ntse / CMM
High hluav taws xob conductivity	C1100 tooj	Cov ntaub ntawv pov thawj + conductivity test
Cov qauv tsim muaj zog dua	C2680 tooj dag	Cov ntaub ntawv pov thawj + cov ntaub ntawv kho tshuab
Nruam siab -ceev ntau lawm	Hauv - tuag sensors	Sensor validation
Automotive Tier 1 khoom	IATF 16949 txheej txheem system	Audit + PPAP
Cov cuab yeej tshiab pom zoo	Tag nrho qhov ntev validation	PPAP Qib 3
Ntev ntau lawm khiav	Kev tiv thaiv cov cuab yeej tu	Stroke/tool-cov ntaub ntawv lub neej

 

Download Stamping Design Specification

 

 

Ib txoj haujlwm stamping precision yuav tsum pib nrog qhov kos duab thiab ua haujlwm raws li qhov yuav tsum tau ua es tsis yog nrog cov txheej txheem tuag.

 

Thaum lub sij hawm DFM tshuaj xyuas, pab neeg ua haujlwm engineering yuav tsum tshuaj xyuas:

Material qib thiab temper
Sawb thickness
Noob nplej
Yam tsawg kawg khoov vojvoog
Qhov - mus rau - ntug deb
Burr kev taw qhia
Piercing ib ntus
Carrier tsim
Sawb suab
Progressive chaw faib
Kev ua haujlwm load
Tshem tawm cov khib nyiab
Qhov chaw sensor
Kev soj ntsuam cov ntaub ntawv
Cov kev cai kho deg

Rau EV thiab ESS cov khoom siv hluav taws xob, kev ua haujlwm hluav taws xob yuav tsum tau txiav txim siab thaum lub sij hawm tsim kho tshuab.

 

Lub davhlau ya nyob twg qhov ntev uas ua tau raws li ± 0.01mm tseem yuav tsis tsim nyog yog tias plating thickness, tiv tauj quab yuam, mating geometry, los yog tam sim no - nqa hla- ntu yog sab nraud specification.

 

Vim li no, kev tswj xyuas qhov ntsuas qhov ntsuas thiab ntsuas hluav taws xob yuav tsum tau tshuaj xyuas ua ke.

 

PPAP Qib 3 cov ntaub ntawv yuav tsum txuas cov cuab yeej rau kev tswj hwm kev tsim khoom

Kev xa khoom tuaj yeem suav nrog:

Txheej Txheem Flow Diagram
PFMEA
Tswj Plan
MSA
Dimensional Results
Cov ntaub ntawv pov thawj
Kev Kawm Txuj Ci
Cov ntaub ntawv siv cuab yeej
Txheej txheem Parameter
Kev Pom Zoo Pom Zoo
Cov txiaj ntsig kev xeem ua haujlwm
Qauv Yam
Part Submission Warrant

Lub hom phiaj yog los ua kom pom tias cov txheej txheem tsim khoom - tsis yog ib pawg ntawm cov khoom xaiv xwb - tuaj yeem ua tau raws li qhov xav tau ntawm kos duab.

 

 

Rau siab -tam sim no cov khoom hluav taws xob tam sim no, precision stamping yog kev tswj kev sib cuam tshuam ntawm cov khoom siv coj mus kuaj, tuag geometry, ua ntu ntu, cov cuab yeej siv, tshuab raug, thiab tshuaj xyuas.

 

Lub siab - precision tooj liab stamping OEM lub hom phiaj ± 0.01mm yuav tsum tsim cov txheej txheem nyob ib ncig ntawm plaub engineering tswj:

 

Terminal Stamping Tooling Tsim raws li cov ntaub ntawv ua haujlwm tau zoo thiab tswj cov kab mob siab ntev -nce.
Carbide thiab SKD11 cov cuab yeej xaiv tau sib phim rau kev txiav, hnav, geometry, thiab kev saib xyuas.
Multi-theem dabtsi yog khoov thiab calibration los tswj springback es tsis txhob cia siab rau ib leeg -theem forming.
Hauv -kev soj ntsuam xyuas qhov tuag thiab CMM tshuaj xyuas kom pom cov txheej txheem drift ua ntej qhov ntau dhau los ua tsis raug.

 

Rau tsheb thiab lub zog-cov kev pabcuam khaws cia, cov kev tswj xyuas no tuaj yeem ua ke nrog IATF 16949, PPAP Qib 3, kev tshawb fawb txog kev muaj peev xwm, thiab cov cuab yeej sau tseg - kev tswj lub neej.

 

Qhov tshwm sim tsis yog tsuas yog lub tshuab hluav taws xob tooj liab uas dhau los ntawm kev tshuaj xyuas. Nws yog txheej txheem stamping nrog ntsuas kev sib raug zoo ntawm cov khoom → tooling → forming → soj ntsuam → txheej txheem muaj peev xwm → ntau lawm repeatability.

 

 

Yuav ua li cas kom muaj kev vam meej tuaj yeem tswj tau ± 0.01mm kam rau ua thaum lub sij hawm siab - ntim tooj liab lub davhlau ya nyob twg?

Siv cov txheej txheem tswj kev tswj hwm, cov cuab yeej carbide precision, validated tuag clearance, multi-theem forming, nyob rau hauv - tuag sensors, kev tiv thaiv txij nkawm, thiab CMM- raws li cov txheej txheem pov thawj. Cov khoom thickness thiab temper yuav tsum nyob twj ywm nyob rau hauv qhov kev pom zoo specification.

 

Cov cuab yeej siv dab tsi yog siv rau siab -precisiontooj liab terminal stamping?

Tungsten carbide feem ntau yog siv rau siab - hnav cov khoom txiav thiab kev ua haujlwm tho qhov tseem ceeb, thaum SKD11 yog siv rau xuas nrig ntaus, tuag, tuav, thiab tsim cov khoom uas yuav tsum tau muaj zog thiab kev pabcuam ntau dua.

 

Lub tuam txhab tooj liab lub tshuab hluav taws xob puas tuaj yeem muab cov ntaub ntawv PPAP Qib 3?

Yog lawm. Ib qho kev tsim khoom- npaj tau tuaj yeem suav nrog cov ntawv tshaj tawm qhov ntev, PFMEA, kev tswj hwm txoj kev npaj, MSA, kev tshawb fawb txog kev muaj peev xwm, cov ntaub ntawv pov thawj, cov txheej txheem khiav, cov ntaub ntawv siv, cov qauv seem, thiab cov ntaub ntawv xa mus rau Tshooj Warrant.