Vim Li Cas Phau Ntawv Qhia no tshwm sim
Yog tias koj nyeem qhov no, koj tuaj yeem soj ntsuam Suav cov chaw tsim khoom lag luam rau koj cov peev txheej steel hlau tsis xav tau - thiab tej zaum koj twb paub lawm tias tsis yog txhua tus neeg muab khoom tsim muaj sib npaug.
Tuam Tshoj precision casting kev lag luam suav nrog ntau txhiab qhov chaw tsim khoom, xws li los ntawm cov chaw ua haujlwm sab nraum zoov mus rau IATF 16949-tso ntawv pov thawj export factories nrog German metrology cov cuab yeej. Qhov kev sib tw yog qhia lawv sib nrug ua ntej koj kos npe rau daim ntawv xaj khoom.
Phau ntawv qhia no yog tsim los pab koj ua raws nraim li ntawd. Nws yog sau los ntawm kev xav ntawm 16-xyoo export foundry uas muab peev castings rau OEM buyers nyob rau hauv cov teb chaws Europe, America, thiab Asia. Peb yuav npog:
1. Yuav nrhiav dab tsi ua ntej xa koj RFQ2. 8-Point Supplier Evaluation Framework3. Cov lus nug tseem ceeb uas yuav tsum tau nug4. Cov ntaub ntawv, Tolerances & Surface Finish - Dab tsi yog qhov tseeb5. Nqe: Koj Yuav Tsum Tau Them Li Cas?6. Lub Sijhawm Ua Haujlwm, MOQ & Cov nqe lus them nqi7. Liab Flag Saib Kom Paub8. Cov lus nug nquag
1. Yuav nrhiav dab tsi ua ntej xa koj RFQ
Ua ntej koj txawm pib hu rau cov neeg muag khoom, qhia meej koj tus kheej cov cai. Ib qho RFQ muaj zog tau txais koj cov lus tseeb; RFQ tsis muaj zog tau txais koj cov lej lej uas nkim txhua tus sijhawm.
Lub zog RFQ suav nrog:
|
Qeb |
Yuav muab dab tsi |
|
Technical |
2D daim duab (nrog GD&T), 3D qauv (STEP / IGS), cov khoom specification, kev kho cua sov |
|
Zoo |
Kev tshuaj ntsuam xyuas, qib PPAP (yog tias tsim nyog), daim ntawv pov thawj xav tau (EN 10204 3.1, thiab lwm yam) |
|
Kev lag luam |
Target Incoterm (FOB/CIF/DAP), chaw nres nkoj ntawm lo lus uas peb, txhua xyoo ntim, batch loj |
|
Ntim |
Carton tsim, pallet specs, labeling, stacking yuav tsum |
|
ncua sij hawm |
Lub hom phiaj hnub rau cov cuab yeej, cov qauv, kev pom zoo PPAP, thiab pib tsim cov khoom lag luam |
Pro tswv yim:Tus neeg muag khoom uas nug cov lus nug ntxaws txog koj daim duab kos thiab daim ntawv thov thaum lub sijhawm RFQ feem ntau yog tus kws tshaj lij tshaj li ib qho uas hais tias "tsis muaj teeb meem" rau txhua yam yam tsis tau nug ib lo lus nug.
2. 8-Point Supplier Evaluation Framework
Raws li peb cov kev paub dhau los ua haujlwm nrog OEM cov neeg yuav khoom hauv Spain, Ltalis, Lub Tebchaws Yelemees, UK, thiab Asmeskas, ntawm no yog yim qhov ntev koj yuav tsum ntsuas:
2.1 Cov khoom muaj peev xwm
Puas yog lub chaw tsim khoom npog cov qib koj xav tau?
Kev tsim nyog peev casting foundry yuav tsum muaj peev xwm tsim stainless hlau, carbon steel, thiab alloy steel castings. Rau kev siv valve thiab twj tso kua mis, lub peev xwm los nrum CF8, CF8M, duplex, thiab super duplex qib yog qhov tseem ceeb.
Cov khoom siv tiag tiag:
|
Qib |
Txuj |
Daim ntawv thov |
|
304 (CF-8) |
ASTM A 351 Cov Lus Qhia Tshwj Xeeb |
Valves, fittings, khoom noj machinery |
|
304L (CF-3) |
ASTM A 351 Cov Lus Qhia Tshwj Xeeb |
Welded sib dhos, siab corrosion kuj |
|
316 (CF-8M) |
ASTM A 351 Cov Lus Qhia Tshwj Xeeb |
Tshuaj twj tso kua mis, marine hardware, iav fittings |
|
316L (CF-3M) |
ASTM A 351 Cov Lus Qhia Tshwj Xeeb |
Pharmaceutical, siab -corrosion ib puag ncig |
|
17-4 PAB |
ASTM A747 Cov Lus Qhia Tshwj Xeeb |
Aerospace, siab - lub zog muaj zog qhov chaw |
|
TIAB SA 2205 |
ASTM A890 Cov Lus Qhia Tshwj Xeeb |
Offshore platforms, tshuaj ua haujlwm |
|
WCB/WCC |
ASTM A 216 |
Valve lub cev, flanges |
|
42CrMo (4140) |
AISI |
Valve rooj zaum, mechanical qhov chaw |
2.2 Txheej Txheem & Loj Ntau Yam
Dab tsi yog qhov txheej txheem kev tsim khoom siv? Silica sol (kev nqis peev) casting muaj qhov raug zoo dua li dej iav casting. Cov lus nug tseem ceeb:
Lawv siv dab tsi wax system? (Medium-kub wax → zoo dua)
Qhov hnyav npaum li cas lawv tshwj xeeb hauv? (Nyob rau hauv 5 kg yog zoo tagnrho rau peev casting)
Qhov kev kam rau siab npaum li cas lawv tuaj yeem lav tau? (CT6 yog tus qauv rau precision castings)
2.3 Hauv -Lub Tsev Machining Muaj peev xwm
Ib qho chaw tsim khoom nrog rau hauv -lub tsev CNC machining txuag koj lub taub hau logistics. Cov khoom tsis tas yuav tawm hauv lub Hoobkas rau kev ua haujlwm thib ob, uas tshem tawm:
Kev thauj mus los qeeb
Kev puas tsuaj
Kev sib txuas lus sib txawv ntawm cov neeg ua haujlwm subcontractors
Duplicate kev soj ntsuam zoo
Nrhiav cov chaw tsim khoom nrog 4-axis lossis 5-axis machining chaw nyob ntawm qhov chaw.
2.4 Tooling & Pwm Ua
Puas yog lub chaw tsim khoom muaj nws tus kheej lub rooj cob qhia? Lawv puas tuaj yeem ua haujlwm nrog 3D qauv ncaj qha? Kev tsim qauv sai dua=sijhawm sai dua rau kev lag luam.
Lub sij hawm ua piv txwv zoo:
Tus qauv qauv: 3-7 hnub ua haujlwm (los ntawm daim ntawv txais nyiaj)
Cov khoom tsis yooj yim: 10-15 hnub ua haujlwm (nrog rau kev txhim kho cov cuab yeej)
2.5 Cov khoom siv kuaj thiab tshuaj xyuas
Qhov no yog qhov uas muaj ntau lub tuam txhab Suav poob qis. Ib tug kws tshaj lij export foundry yuav tsum muaj:
|
Khoom siv |
Nws Ua Dab Tsi |
|
Spectrometer (OES) |
Kev tshuaj xyuas cov tshuaj muaj pes tsawg leeg ib lub yaj batch - 100% xav tau |
|
CMM (3D ntsuas tshuab) |
Kev ntsuas qhov ntsuas qhov tseem ceeb tiv thaiv cov ntaub ntawv 3D |
|
Universal tensile tester |
Mechanical zog: tensile/yield zog, elongation |
|
Lub tshuab ntsuas siab |
Hydrostatic xeem rau valve / twj tso kua mis castings |
|
X-ray soj ntsuam system |
Internal defect detection (porosity, shrinkage) |
|
Nto roughness tester |
Ra nqi pov thawj |
Piv txwv tiag:Peb lub chaw tsim khoom siv German SPECTRO ncaj qha - nyeem spectrometer rau 100% tshuaj ntsuam xyuas ntawm txhua lub pob yaj, thiab CMM tshuaj xyuas rau txhua qhov loj me.
2.6 Cov Txheej Txheem Zoo & Ntawv Pov Thawj
|
Daim ntawv pov thawj |
Qhov tseem ceeb |
|
ISO 9001: 2015 |
Yam tsawg kawg nkaus yuav tsum tau - tsis yog -negotiable rau export |
|
IATF 16949: 2016 |
Yuav tsum tau rau automotive OEM mov saw |
|
CE / PED 2014/68/EU |
Yuav tsum tau rau siab-muaj cov khoom xa tawm mus rau Tebchaws Europe |
2.7 Engineering & Kev sib txuas lus
Lawv puas muab DFM (Design for Manufacturing) tawm tswv yim?
Lawv teb sai npaum li cas rau RFQs? (24 teev yog qhov ntsuas)
Puas yog lawv cov lus Askiv meej txaus rau kev sib tham?
Lawv puas tuaj yeem muab cov ntaub ntawv txhawb nqa hauv koj hom lus?
2.8 Kev xa khoom xa tuaj
Lawv lub sijhawm ua tus qauv yog dab tsi? (Kev lag luam nruab nrab: 60 hnub)
What is their on-time delivery rate? (Top performers: >98%)
3. Cov lus nug tseem ceeb uas yuav tsum tau nug
Nov yog cov lus nug uas cais cov kws tshaj lij kev lag luam los ntawm lwm tus:
Ntawm Kev Tswj Xyuas Zoo
"Koj puas ua 100% tshuaj ntsuam xyuas ntawm txhua cov khoom tawg?"
"Koj puas tuaj yeem muab EN 10204 3.1 cov ntaub ntawv pov thawj?"
"Dab tsi NDT txoj kev koj muab?" (PT, RT, UAS, MT)
"Koj puas muaj peev xwm CMM rau kev soj ntsuam qhov ntev?"
"Koj puas tuaj yeem muab PPAP pob?" (Control Plan, PFMEA, MSA, Kev Kawm Muaj Peev Xwm)
Ntawm Cov Txheej Txheem Tswj
"Koj tus qauv tolerance qib yog dab tsi?" (CT5, CT6, lossis CT7?)
"Koj ua li cas thawj tsab xov xwm tshuaj xyuas?"
"Koj puas muaj cov ntaub ntawv traceability?"
"Koj qhov kev tsis lees paub tus nqi yog dab tsi?"
Ntawm Kev Paub
"Koj puas muaj kev paub txog lub cev valve lub cev / twj tso kua mis / qhov chaw tsheb?"
"Koj puas tuaj yeem qhia cov ntaub ntawv los ntawm cov haujlwm zoo sib xws?"
"Yuav ua li cas koj tswj cov khoom uas tsis yog -"?
Vim li cas qhov no tseem ceeb:Flowserve, Emerson, KSB, thiab Crane - lub thoob ntiaj teb twj tso kua mis thiab valve cov thawj coj - txhua tus xav kom lawv cov neeg muab khoom pov thawj los ua kom pom cov theem ntawm cov txheej txheem zoo. Yog tias lub chaw tsim khoom tsis tuaj yeem teb cov lus nug no nrog cov ntsiab lus tshwj xeeb (tsis yog generalities), ua kom ceev faj.
4. Cov khoom siv, kam rau ua & nto tiav
Kev nqis peev Casting Tolerances (CT Qib)
Silica sol peev casting feem ntau ua tiav qib CT6. Ntawm no yog qhov tseeb dimensional tolerances:
|
Dav dav (mm) |
CT5 (siab tshaj) |
CT6 (Standard) |
CT7 (Kev lag luam) |
|
|
Tsawg dua los yog sib npaug 3 |
±0.10 |
±0.14 |
±0.20 |
|
|
3 – 6 |
±0.12 |
±0.16 |
±0.24 |
|
|
6 – 10 |
±0.14 |
±0.18 |
±0.28 |
|
|
10 – 18 |
±0.16 |
±0.22 |
±0.34 |
|
|
18 – 30 |
±0.20 |
±0.28 |
±0.44 |
|
|
30 – 50 |
±0.24 |
±0.34 |
±0.54 |
|
|
50 – 80 |
±0.30 |
±0.42 |
±0.66 |
|
|
80 – 120 |
±0.36 |
±0.50 |
±0.80 |
Nco tseg:Cov kev kam rau siab no siv rau qhov qis dua 5 kg uas tsim los ntawm silica sol nruab nrab - txheej txheem wax kub.
Nto tiav
|
Qhov xwm txheej |
Ra nqi |
|
|
Raws li -cast |
3.2 – 6.3 µm |
|
|
Xuab zeb blasted |
1.6 – 3.2 µm |
|
|
Polished |
0.4 – 0.8 µm |
|
|
Electro- polished |
0.2 – 0.4 µm |
|
|
Daim iav polished |
Daim iav tiav tiav |
5. Nqe: Koj Yuav Tsum Tau Them Li Cas?
Tus nqi yog nyob ntawm cov khoom, complexity, hnyav, thiab ntau. Hauv qab no yog cov ntaub ntawv siv rau FOB Tuam Tshoj qhov chaw nres nkoj loj:
|
Khoom siv |
Yooj yim (<0.5kg) |
Nruab nrab (0.5-3kg) |
Complex (3-10kg) |
Precision (<0.5kg) |
|
304 (CF-8) |
30 - 41 CNY/kg |
26 - 34 CNY/kg |
22 - 30 CNY/kg |
41 - 58 CNY/kg |
|
316 (CF-8M) |
41 - 54 CNY/kg |
34 - 46 CNY/kg |
30 - 41 CNY/kg |
54 - 75 CNY/kg |
|
WCB |
19 - 26 CNY/kg |
15 - 22 CNY/kg |
12 - 19 CNY/kg |
26 - 37 CNY/kg |
|
17-4 PAB |
54 - 81 CNY/kg |
47 - 68 CNY/kg |
41 - 58 CNY/kg |
81 - 110 CNY/kg |
|
TIAB SA 2205 |
68 - 95 CNY/kg |
58 - 81 CNY/kg |
51 - 68 CNY/kg |
95 - 120 CNY/kg |
Tseem ceeb:Tus nqi qis tshaj yog tsis tshua muaj nqi zoo tshaj. Lub Hoobkas ncaj qha (tsis muaj tuam txhab lag luam nruab nrab) feem ntau txuag koj 15-25% ntawm tus nqi tsev. Tab sis tus nqi tiag tiag suav nrog kev ua tau zoo, kev cia siab rau kev xa khoom, thiab tom qab- kev muag khoom txhawb nqa - tsis yog tus nqi ib yam nkaus xwb.
6. Lub Sijhawm Ua Haujlwm, MOQ & Cov nqe lus them nqi
Cov Sijhawm Lead
|
Theem |
Duration |
|
Tooling & thawj cov qauv |
25-35 hnub (los ntawm kev pom zoo kos duab) |
|
Ntau lawm |
30-45 hnub (kev lag luam nruab nrab: 60 hnub) |
MOQ Cov Lus Qhia
Cov qauv txiav txim: Them ntawm tus nqi tsim khoom tiag tiag (rov qab los ntawm thawj qhov kev txiav txim siab ntau dua lossis sib npaug rau 500 pcs)
Kev tsim khoom loj: Feem ntau 200-500 daim ib feem ntawm ib qho kev txiav txim
Complex / loj castings: Tsawg MOQ sib tham tau
Standard Payment Terms
Cov neeg siv khoom tshiab: 50% tso nyiaj + 50% ua ntej xa khoom
Quote validity: 90 hnub
Tau txais incoterms: FOB, CIF, DAP
7. Cov chij liab los saib
Ntawm RFQ theem
"Tsis muaj teeb meem" rau txhua yam - yam tsis tau nug txog koj daim duab, daim ntawv thov, lossis cov cai
Tus nqi qis dua qhov nruab nrab ntawm kev ua lag luam - qhov zoo yog raug txi rau qhov chaw
Tsis muaj lus nug txog koj qhov chaw - qhia tias tsis muaj qhov tob tob
Ntawm Sample/PPAP Theem
Luam tawm- muab cov ntawv tshuaj ntsuam xyuas - generic es tsis yog ib feem- tshwj xeeb
Cov txheej txheem hloov pauv yam tsis tau txais kev pom zoo - piv txwv li, hloov qhov rooj kaw lus tsis qhia koj
Tsis kam qhia cov txheej txheem ntws los yog PFMEA - zais cov txheej txheem tsis muaj zog
Nyob rau theem ntau lawm
Nce tus nqi tsis raug - tshwj xeeb tshaj yog cov qauv tsis xws luag tsis pom hauv cov qauv
Ntim tsis zoo - xeb, crushed cartons, mix labels
Teem caij xa khoom hnub - yam tsis muaj kev sib txuas lus zoo
8. Cov lus nug uas nquag nug
Q: Koj tus MOQ yog dab tsi?
A: Rau serial ntau lawm, feem ntau 200-500 daim rau ib feem. Rau cov neeg yuav khoom thawj zaug, peb pom zoo kom pib nrog tus qauv txiav txim ntawm 50-100 daim kom siv tau zoo ua ntej cog lus rau ntim.
Q: Koj puas tuaj yeem pov CF8M?
A: Yog. CF8M (316 stainless hlau) yog ib qho ntawm peb feem ntau cam khwb cia qib, dav siv rau tshuaj twj tso kua mis thiab valve Cheebtsam.
Q: Koj puas tuaj yeem tshuab tom qab casting?
A: Yog. Peb ua haujlwm 20+ 4-axis thiab 5-axis CNC machining chaw nyob hauv tib lub chaw raws li peb qhov chaw tsim khoom - tsis muaj lwm tus neeg ua haujlwm, tsis muaj kev ncua.
Q: Koj puas tuaj yeem muab PPAP?
A: Yog. Raws li IATF 16949 certified foundry, peb tuaj yeem muab PPAP Qib 3 cov ntaub ntawv suav nrog cov ntaub ntawv qhia txog qhov ntev, daim ntawv pov thawj cov ntaub ntawv, cov txheej txheem ntws, cov phiaj xwm tswj, thiab kev tshawb fawb txog kev muaj peev xwm.
Q: Koj puas tuaj yeem muab cov ntaub ntawv pov thawj?
A: Yog. Txhua qhov khoom xa tuaj suav nrog EN 10204 3.1 cov ntaub ntawv pov thawj nrog 100% tshuaj lom neeg kev tshuaj ntsuam xyuas (OES) rau ib pawg yaj.
Q: Koj puas tuaj yeem tsim raws li cov neeg siv khoom kos duab?
A: Yog. Peb tsim nruj raws li koj 2D kos duab thiab 3D qauv. Peb pab neeg ua haujlwm engineering pub dawb DFM (Design for Manufacturing) tsom xam kom zoo rau koj tus qauv tsim rau castability - feem ntau txo qhov hnyav ntawm 10-15%.
Npaj pib?
Yog tias koj tab tom ntsuas cov peev txheej casting lwm tus neeg rau koj lub valve, twj tso kua mis, tsheb, lossis cov khoom lag luam, peb zoo siab tos txais lub sijhawm los khwv tau koj txoj kev ntseeg siab.
Xa koj daim duab rau: sales@wdshunye.com
Yam koj yuav tau txais hauv 24 teev:
Dawb DFM tsom xam
Factory- hais ncaj qha
Kev pom zoo los ntawm peb pab pawg engineering
WUDI COUNTY SHUN YE STAINLESS STEEL PRODUCTS CO., LTD.
Lub chaw tsim khoom ncaj qha nrog 16 xyoo ntawm kev xa tawm, IATF 16949 ntawv pov thawj, thiab koom tes nrog OEM cov neeg yuav khoom thoob plaws Tebchaws Europe, Amelikas, thiab Asia.
Xov tooj: +86-17754343500|Email: sales@wdshunye.com|Lub Vev Xaib: https://www.shunyecasting.com