Ib Daim Ntawv Qhia Tus Neeg Yuav Khoom kom tsis txhob raug nqi raug nqi
TL; DR:Daim ntawv hlau fabrication kos duab txiav txim siab seb koj cov khoom puas dhau ua ntej -kab tshuaj ntsuam xyuas - ntev ua ntej yuav txiav laser. Feem ntau cov kev ua yuam kev raug nqi rov qab mus rau xya qhov tsis sib xws: qhov kev pom uas ploj lawm, xoob GD&T, tsis tau txhais "TYP"/"Ea", cov cim tsis muaj WPS siv, khoov cov cim tsis muaj K- qhov tseem ceeb, ua tiav cov lus hais tsis muaj tus qauv, thiab lub npe tsis tiav. Ib tsib-feeb ua ntej- ya davhlau tawm tsam daim ntawv teev npe hauv qab no feem ntau ntawm lawv; cov lus nug raug rau tus neeg muag khoom kaw qhov seem.
Ib tus neeg yuav khoom xa tuaj rau peb "tsim-npaj" PDF: peb qhov sib txawv khoov lub kaum ntse ntse, ib lub qhov ntev ntawm ob tus lej ntawm ib sab ntawm ib daim ntawv lo "kwv yees.", thiab tsis muaj cov cim vuam ntawm lub nplhaib kom meej meej welded. Cov nqe lus pheej yig tshaj twb tau txais lawm. Thawj tsab xov xwm tuaj txog nrog lub bracket welded nyob rau hauv qhov tsis ncaj ncees lawm qhov chaw thiab peb lub qhov 2 hli tawm qauv - thiab tus neeg muag khoom insisted daim duab muab lawv tsis xaiv.
Tom qab tshuaj xyuas ntau pua daim duab kos los ntawm OEM cov neeg yuav khoom thoob plaws kev lag luam sib txawv, peb pab pawg engineering ntawm Qingdao Tianhua Yihe Hlau Fabrication (qdthyhmetalfab.com) tau pom xya qhov kev nyeem yuam kev uas suav rau feem ntau thawj zaug - tsab xov xwm tsis lees paub. Cov lus qhia no taug kev los ntawm txhua tus - thiab cov lus nug cov neeg yuav khoom kom kaw lawv - yog li kev sib tham RFQ tom ntej pib ua ntej ntawm tus neeg muag khoom, tsis yog tom qab.
Tus Neeg Nyeem Ntawv Daim Ntawv Teev Npe - Kos cov ntsiab lus los txheeb xyuas ua ntej tshaj tawm RFQ
Siv daim ntawv teev npe no ua qhov nrawm ua ntej- ya davhlau ua ntej koj nias xa koj cov khoom tsim tom ntej RFQ. Txhua kab txuas mus rau ntu hauv qab no rau cov lus piav qhia tag nrho.
| Element | Yam tsawg kawg nkaus specification | Vim li cas thiaj tseem ceeb |
|---|---|---|
| **Views** | Pav ca qauv + tsim / 3D saib; projection standard hais | Tsis txhob tsom iav nta thiab khoov- kab tsis meej pem |
| **GD&T** | Datum siv, kam rau ua los ntawm cov yam ntxwv, tsis muaj ± 0.05 hli ntawm qhov chaw kom zoo nkauj | Tswj tus nqi; nrhiav qhov tseem ceeb haum |
| **TYP / Ea** | Hais ib yam dab tsi, tsis hais | Tiv thaiv batch - mus rau -batch drift |
| ** Weld symbols ** | WPS siv nyob rau hauv tus Tsov tus tw, ntev thiab loj tam sim no | Kev soj ntsuam- txoj kev rau vuam; txhawb ISO 3834 |
| **Bend notation** | Hauv lub vojvoog, K-factor lossis CAD cov ntaub ntawv | Tiv thaiv cov kab nrib pleb thiab tsis sib xws |
| ** Xaus daim ntawv thov ** | Txheej txheem npe nrog tus qauv siv; venting tsim nyob rau hauv yog HDG | Tswj txheej txheej lub neej thiab lub sijhawm ua haujlwm |
| **Title thaiv** | Cov ntaub ntawv qib, MTC hom, hloov kho keeb kwm hnub tim | Locks spec; ua pov thawj traceability |
Ib daim duab uas tuaj yeem kuaj xyuas cov npe no hauv tsib feeb yog daim duab uas yuav tsis nkim ib lub lim tiam ntawm kev tsim khoom.
1. Peb pom thiab ib qho uas ploj lawm
Feem ntau cov ntawv hlau tuaj yeem kos rau hauv peb qhov kev pom. Tus uas ploj lawm yog tus uas zais qhov khoov.
Pav ca qauv vs. tsim pom.Lub tiaj tus qauv qhia tau hais tias qhov nthuav dav - yooj yim rau zes, tsis muaj txiaj ntsig rau kev txheeb xyuas cov duab geometry. Txoj kev tsim pom pom qhov chaw tom qab khoov. Yog tias tsuas yog tus qauv tiaj tus nyob ntawm daim duab, khoov cov ntaub ntawv yuav tsum tau ntxiv raws li cov lus hais.
Thib peb-angle vs. first-angle projection.US thiab EU cov duab kos feem ntau siv peb-angle; qee qhov qub txeeg qub teg thiab Asian kos duab siv thawj -angle. Kev sib xyaw ua ke yog qhov rov ua dua ntawm cov yam ntxwv mirrored.
* Yuav nug tus neeg muag khoom li cas:* "Koj puas tuaj yeem xa ob qho tib si lub tiaj tus qauv thiab 3D saib, thiab paub meej tias tus qauv projection?"
2. GD&T Callouts: Qhov Tight Tolerances tau kim
Geometric dimensioning thiab kam rau ua (GD&T) yog qhov chaw kos duab ntsiag to ua kim. Lub thawv kam rau ua dav dav txhais lub neej ntawd - txhua yam nruj dua yog them rau hauv cov txheej txheem tswj thiab tshuaj xyuas lub sijhawm.
Peb cov qauv qhia feem ntau ntawm cov neeg yuav khoom kos duab:
Datum references yog lub moj khaum.Lub qhov "qhov tseeb txoj hauj lwm" txheeb ze rau ib tug uas ploj lawm los yog tsis ncaj ncees lawm datum yog ib tug xov tooj uas zoo nkaus li zoo thiab soj ntsuam tsis yooj yim sua. Xaiv cov thawj, theem nrab, thiab tertiary datum thaum ntxov; siv lawv tsis tu ncua.
Profile tolerancing npog curvature thiab ntug tej yam kev mob uas ntxiv / rho tsis tau- thiab raug nqi ntau dua los kuaj xyuas. Siv nws tsuas yog qhov twg nws phim qhov kev xav tau sib dhos tiag tiag.
Tight tolerances ntawm lub ntsej muag kom zoo nkauj(piv txwv li, ± 0.05 hli ntawm lub ntsej muag tsis muaj leej twg pom) muaj ntau hauv cov duab kos, tsis tshua xav tau hauv cov rooj sib txoos tiag tiag. Feem ntau cov fabricators yuav muab nqi rau lawv los yog thov kom muaj kev saib xyuas ntev.
* Txoj hauv kev zoo dua: * kam rau ua los ntawm kev ua haujlwm. Nrhiav nrog datums, so kom zoo nkauj nta, sau cov txheej txheem tshuaj xyuas xav tau.
3. Tus nqi zais ntawm "TYP" thiab "Ea"
Ob lub npe me me ua rau cov ntawv hlau ua haujlwm ntau dua li lwm yam kev kos duab yuam kev.
"TYP" (tus qauv).Txhua qhov piv txwv qhia tib qhov loj me - zoo rau cov qauv ntawm lub qhov, pheej hmoo rau welds lossis compound khoov.
"Ea" (txhua).Txhua qhov piv txwv yog qhov loj me ntawm tus kheej - feem ntau yog qhov kev xaiv zoo dua rau kev tshuaj xyuas.
Tsis siv neeg.Ib tug qauv dimensioned "8 sib npaug spaced" tsis muaj txoj kab uas hla los yog pib lub kaum sab xis tawm tus neeg muag khoom los txhais.
* Yuav nug tus neeg muag khoom li cas:* "Qhov loj me ntawm txhua lub qhov yog tus neeg muag khoom tuav rau?"
4. Weld Symbols: Cov lus me tshaj plaws ntawm kev kos duab
Lub cim weld sib txuas lus sib koom ua ke; lub cim tail tuav cov txheej txheem vuam siv. Qhov no yog qhov uas feem ntau buyer drawings tsis ua auditable.
Peb yam uas lub cim weld yuav tsum ua nws txoj haujlwm:
Siv lub WPS hauv tus Tsov tus tw.Lub cim weld yam tsis muaj tus lej WPS tawm ntawm tus neeg xa khoom dawb los xaiv cov txheej txheem. Txuas nws mus rau cov ntaub ntawv WPS/PQR yog dab tsi ua rau kev soj ntsuam tom qab - thiab dab tsi ua rau cov weld raug tshawb xyuas rov qab xyoo tom qab lub nkoj.
Dimension loj thiab ntev.Fillet welds tau teev los ntawm ceg ntev thiab khiav ntev. Ib lub cim uas tshem tawm qhov ntev feem ntau txhais tau tias "raws li xav tau" - tsis yog kev zam.
Zaum hauv ib qho kev paub zoo.ISO 3834 zaum ib txheej saum ISO 9001 thiab tuav cov vuam zoo ua ke. Rau cov khoom sib dhos, cov ntaub ntawv raws li AWS D1.3, EN 1090, lossis koj lub zos sib npaug (xws li AS/NZS 5131 hauv Australia) cia cov neeg yuav khoom xyuas cov vuam tom qab lub nkoj xa khoom.
* Yuav nug tus neeg muag khoom li cas:* "WPS twg siv tau rau qhov sib koom ua ke, thiab peb puas tuaj yeem tshuaj xyuas nws ua ntej tsim khoom?"
5. Khoov Ceeb Toom thiab K-Cov Lus Qhia Tsis Paub
Ib txoj kab khoov ntawm tus qauv tiaj tus zoo li ib txoj kab. Ntawm qhov tsim nws dhau los ua ib qho arc nrog ob qhov sib txawv: sab hauv khoov vojvoog thiab K-factor.
Sab hauv khoov vojvoog (R) yuav tsum tau qhia txog cov khoom thickness.Lub vojvoog 3 hli ntawm lub phaj 5 hli yog qhov tawg tos kom tshwm sim; ntawm ib daim ntawv 1 mm nws yog zoo - tsim. Cov ntau yam tau nthuav tawm dav; Nug tus neeg muag khoom rau lawv qhov tsawg kawg nkaus - vojvoog- ib - lub rooj thickness pem hauv ntej.
K-factor txiav txim seb qhov nruab nrab axis hloov li cas thaum tsim.Nws nyob ntawm cov khoom, kev coj noj coj ua, thiab cov cuab yeej. "Kov rau kev kos duab" yam tsis muaj K- cov lus qhia ua rau txhua pawg sib txawv me ntsis.
Native CAD cov ntaub ntawv khaws cia cov kev hloov pauv.STEP thiab DXF hloov tus lej; haiv neeg SolidWorks lossis Inventor cov ntaub ntawv khaws cov lus khoov kom zoo.
* Yuav nug tus neeg muag khoom li cas:* "Tus neeg muag khoom puas tuaj yeem lees txais CAD haiv neeg, thiab lawv ua li cas rau K-factor?"
6. Ua kom tiav cov lus hais uas zoo ib yam tsis yog
Ib daim duab uas hais tias "galvanize" yam tsis muaj tus qauv siv ua rau tus neeg yuav khoom twv txog txheej txheej, adhesion, thiab kev npaj nto.
Kub-dip galvanizing yog teev los ntawm kev siv- cov qauv xws li ISO 1461, ASTM A123, lossis AS/NZS 4680 npog HDG dav; lawv tsis zoo ib yam hauv cov chav kawm txheej thickness, sampling, los yog kho cov txheej txheem.
Hmoov txheej, kua xim, thiab anodizing txhua tus muaj lawv tus kheej tsev neeg.Daim duab kos yuav tsum sau npe uas yuav tsum tau ua thiab siv tus qauv siv tau. "Tiav rau sab nraum zoov siv" tsis yog qhov tshwj xeeb.
HDG venting thiab draining yog nyob rau hauv tus qauv, tsis retrofit ntawm qhov chaw.Kev qhia HDG tom qab txiav cov ntaub ntawv raug kaw txhais tau tias nug tus neeg muag khoom kom tho qhov qhov ntawm tes - lig, kim, thiab yooj yim tsis nco qab. Tsim qhov cua thiab ntws nta hauv tus nqi yuav luag tsis muaj dab tsi ntawm daim ntawv.
* Dab tsi los nug tus neeg muag khoom hloov pauv: * "Tus qauv twg, qhov twg tiav, thiab ua kom qhov cua thiab ntws tawm hauv cov qauv?"
7. Qhov Kev Kho Kho Kho Dua Tshiab thiab Lub Npe Block Qhia Zaj Dab Neeg
Ob lub thawv metadata yooj yim hla thiab kim tsis quav ntsej.
Lub npe thaiv yog nqa cov ntaub ntawv qib, ib feem naj npawb, daim ntawv thiab daim ntawv teev, thiab tus qauv projection.Ib lub npe thaiv uas hais tias "Material: Steel" tsis muaj qib yog kev caw xaiv. Xaiv cov qib (xws li SS304, SS316, A36, S275) thiab tus qauv (xws li ASTM A240, EN 10025).
Cov ntaub ntawv kho dua tshiab yuav tsum muaj hnub thiab piav qhia txhua qhov kev kho dua tshiab.Ib daim duab ntawm Rev G tau hais tawm tsam Rev C tshwm sim ntau dua li cov neeg yuav khoom paub. Ib txwm hais tawm tsam qhov kev hloov kho tshiab kawg.
Cov ntaub ntawv pov thawj siv yuav tsum yog tshwj xeeb.Hom 3.1 lossis 3.2 rau EN 10204 yuav tsum tau teev tseg; txwv tsis pub, daim ntawv pov thawj yog "muaj nyob ntawm kev thov" - feem ntau tom qab, tsis yog thaum xa khoom.
Ib daim duab uas nws lub npe thaiv tsis tuaj yeem nyeem ib pliag yog ib daim duab uas yuav ua rau muaj lus nug tom qab PO tau kos npe.
Dab tsi ib tug neeg yuav ntes tau ntawm qhov thib ob Pass
Ib qho qauv OEM muaj cov khoom sib dhos uas haum tab sis tsis kav ntev hauv kev pabcuam. Kev rov- kev tshuaj xyuas ntawm daim duab qhia pom qhov ntev ntawm qhov weld tshem tawm ntawm lub cim (txhais tau tias 10 hli es tsis txhob 25 hli) thiab cov lus hais tiav uas tsuas nyeem "HDG" yam tsis muaj tus qauv.
Qhov kho tsis tas yuav tsum muaj tus neeg xa khoom tshiab - nws yuav tsum tau nyeem daim duab kos raws li daim ntawv yuav khoom, tsis yog cov ntaub ntawv tsim khoom xwb. Qhov ntawd yog tib txoj kev qhuab qhia uas siv rau txhua tusstructural steel OEM project.
"Nyeem cov duab kos raws li daim ntawv yuav khoom - tsis yog cov ntaub ntawv tsim tawm xwb - hloov peb cov kev sib tham RFQ."
- Engineering lead, khoom siv OEM
Ua qhov kos duab ntawm koj qhov kev sib tham RFQ
Feem ntau RFQ kev poob siab pib thaum kos duab tsis meej. Views, datums, weld symbols, khoov notation, finish callouts, thiab title block metadata txiav txim seb thawj tsab xov xwm dhau - ua ntej tej laser txiav los yog weld tawm tsam.
Xa koj cov duab kos rau peb, cov khoom specification, thiab lub hom phiaj kom muaj nuj nqis. Peb yuav xa rov qab daim ntawv tshaj tawm DFM nyob rau hauv 48 teev uas suav nrog kev ua siab ntev, kev sib koom ua ke cov lus pom zoo, kev xaiv ua tiav, thiab cov nqi peev xwm -txuag kev hloov pauv. Tsis xav tau kev cog lus.
Related nyeem:
Custom Sheet Hlau Fabrication Muaj peev xwm
Cov lus nug nquag
"TYP" txhais li cas ntawm daim ntawv hlau kos duab, thiab thaum twg nws txaus ntshai?
"TYP" (tus qauv) txhais tau tias txhua qhov piv txwv ntawm qhov tshwj xeeb qhia ib qhov ntev. Nws ua haujlwm zoo rau cov qauv ntawm lub qhov, tab sis ua rau muaj kev pheej hmoo rau welds lossis cov khoom sib txuas uas txhua qhov chaw yuav xav tau nws tus kheej kam rau ua. Rau kev soj ntsuam kev nyab xeeb, nyiam "Ea" (txhua) lossis qhov loj me ntawm txhua qhov ntawm nws tus kheej.
Kuv puas yuav tsum tau muab tus qauv 3D, lossis yog tus qauv tiaj tus txaus?
Lub tiaj tus qauv yog txaus rau kev ua zes thiab txiav, tab sis nws tsis tuaj yeem txheeb xyuas cov duab geometry. Muab ob qho tib si tus qauv tiaj tus thiab tsim / 3D pom kom tus neeg muag khoom lees paub qhov chaw khoov ua ntej tsim khoom. Cov ntaub ntawv CAD haiv neeg (SolidWorks, Inventor) khaws cov lus khoov zoo dua li STEP lossis DXF xa tawm.
Qhov twg weld cim cov ntsiab lus yuav tsum kuv ib txwm qhia?
Ib txwm suav nrog WPS siv nyob rau hauv lub cim tus Tsov tus tw, ntxiv rau fillet weld ceg ntev thiab khiav ntev. Yog tsis muaj tus lej WPS tus neeg muag khoom muaj kev ywj pheej xaiv cov txheej txheem, uas ua rau lub vuam tsis tuaj yeem tshawb xyuas tom qab. Rau kev ua haujlwm, xav kom cov ntaub ntawv raws li AWS D1.3, EN 1090, lossis qhov sib npaug hauv zos xws li AS/NZS 5131.
Cov ncauj lus kom ntxaws yuav tsum ua kom tiav rau qhov kub -dip galvanizing?
Lub npe tus qauv, tsis yog lo lus "galvanize" nkaus xwb - ISO 1461, ASTM A123, lossis AS/NZS 4680 npog HDG tab sis txawv hauv cov chav kawm txheej, qauv, thiab kho. Kuj tsim qhov cua thiab ntws qhov rau hauv cov qauv ua ntej txiav; retrofitting lawv ntawm qhov chaw yog lig, kim, thiab yooj yim rau tsis nco qab.
Yam ntaub ntawv pov thawj twg kuv yuav tsum thov?
Qhia rau EN 10204 hom - 3.1 lossis 3.2. Yog tsis muaj nws, daim ntawv pov thawj feem ntau "muaj nyob rau ntawm kev thov" thiab tuaj txog tom qab xa khoom, tsis yog nrog cov khoom xa tuaj. Hom 3.2 ntxiv cov kauj ruam soj ntsuam ywj pheej rau siab dua - daim ntawv thov kev pheej hmoo.
Kuv yuav ua li cas thiaj paub seb kuv qhov kev kam rau siab yog nruj heev rau daim ntawv thov?
Kev kam rau siab los ntawm kev ua haujlwm: nrhiav qhov tseem ceeb haum nrog datums thiab so kom zoo nkauj qhov chaw. Kev kam rau siab ± 0.05 hli ntawm lub ntsej muag tsis muaj leej twg pom muaj nyob hauv cov duab kos duab qub tab sis tsis tshua xav tau, thiab cov neeg tsim khoom feem ntau yuav nqes nws los yog thov kev saib xyuas kev zam. Nug tus neeg muag khoom seb qhov ntev npaum li cas.
Hais txog tus tshaj tawm.Cov lus qhia no tau npaj los ntawm pab pawg engineering ntawm Qingdao Tianhua Yihe Hlau Fabrication - qdthyhmetalfab.com - raws li hauv Qingdao, Suav. Peb muab cov ntawv hlau thiab welded fabricated qhov chaw rau OEM buyers hla mining, zog, thauj, thiab infrastructure, npog laser txiav, sib sau, ISO 3834 vuam, thiab kub -dip galvanizing nyob rau hauv ib lub ru tsev. Kev kos duab- rov xyuas cov lus thov (DFM tawm tswv yim ua ntej kev hais lus, thib ob- kev xav nyeem ua ntej RFQ, lossis redline markups ntawm tus neeg muag khoom txhais lus) raug daws tib lub lim tiam lawv tsaws.
