Kev Ua Raws Li ISO2531: Tus Txheej Txheem DINSEN rau Qhov Zoo ntawm Cov Yeeb Nkab Hlau Ductile

Hauv plawv ntawm cov khoom siv thiab cov txheej txheem thauj mus los ntawm cov kua dej, txhua ntu ntawm cov kav dej hlau ductile tsis yog tsuas yog nqa dej thiab roj xwb, tab sis kuj yog lub plawv dhia ntawm kev txhim kho hauv nroog thiab kev noj qab haus huv ntawm cov pej xeem. Ntawm no, qhov zoo tsis yog tsuas yog hais lus tsis muaj dab tsi; nws yog kev ntseeg thiab kev cog lus uas muab tso rau hauv txhua nti ntawm cov hlau thiab koom ua ke rau hauv txhua txoj kev.DINSEN, paub txog lub luag haujlwm tseem ceeb no, ua rau nws txoj kev nrhiav kev zoo tsis tu ncua los ntawm kev ua raws li thiab ua dhau ISO2531 tus qauv thoob ntiaj teb, qhia txog kev sib xyaw ua ke ntawm kev tshuaj xyuas zoo rauISO2531 cov kav hlau ductile.

Tus qauv qhia txog cov kev cai lij choj, cov txheej txheem sim thiab kev tswj xyuas zoo ntawm cov kav dej hlau ductile, cov khoom siv, cov khoom siv thiab lawv cov interfaces siv rau kev thauj mus los dej (xws li dej haus, dej siv dej, thiab lwm yam).

1. Cov Yeeb Nkab Hlau Uas Muaj Qhov LojDE

Qhov txoj kab uas hla sab nraud ntawm lub qhov (socket) yuav txiav txim tau los ntawm kev ntsuas qhov ncig ntawm lub qhov (roundness) nrog daim kab xev ntsuas. Los yog, yuav tsum ntsuas ob zaug nrog lub caliper ntawm cov ntsiab lus ntsug hla ntu.Tus qauv rau ovality yog: Ovality = (A1-A2) / (A1 + A2).

DI cev DE yeeb nkab hlau ductile DE

2.Cov Yeeb Nkab Hlau Uas Muaj Qhov LojID

Lub txoj kab uas hla sab hauv ntawm cov yeeb nkab ductile centrifuge yog kwv yees li sib npaug rau nws txoj kab uas hla nominal, DN tus nqi, hauv millimeters.

DI yeeb nkab ID Cov yeeb nkab hlau ductile ID

3. Cov Yeeb Nkab Hlau Uas Muaj Qhov LojPhab ntsa tuab

Siv lub ntsuas tuab ultrasonic nrog rau cov khoom sib txuas kom lo rau qhov chaw uas yuav ntsuas. Qhov tseeb ntawm lub cuab yeej yog 0.1 hli. Qhov chaw ntsuas yog tsawg kawg yog ob qhov chaw sib txawv ntawm txhua qhov kawg ntawm cov khoom. Cov txiaj ntsig ntsuas tau raws li cov lus hauv qab no:

cov yeeb nkab hlau ductile Phab ntsa Thickness daim ntawv qhia (2)

cov yeeb nkab hlau ductile Phab ntsa Thickness daim ntawv qhia (1)

DI Phab ntsa tuab Cov yeeb nkab hlau ductile Phab ntsa tuab

4. Qhov Ntev ntawm Cov Yeeb Nkab Hlau Uas Muaj Qhov Loj

Qhov ntev ntawm cov yeeb nkab hlau ductile  DI yeeb nkab ntev

5. Ellipticity

Qhov tsis sib npaug ntawm qhov seem ntawm cov yeeb nkab cam khwb cia.
Luas = 100 x (A1-A2) / (A1 + A2)

A1: siab tshaj plaws A2: Me me

DI yeeb nkab Ellipticity yeeb nkab hlau ductile Ellipticity

6. Kev Ncaj Ncees

Cov kav dej uas raug cam yuav tsum ncaj, nrog qhov sib txawv siab tshaj plaws tsis pub tshaj 0.125% ntawm qhov ntev siv tau (6000 x 0.125% = 7.5 hli).Yog tias cov yeeb nkab tsis muaj dab tsi thaiv, yuav tsum tau saib xyuas kom meej. Yog tias tsis paub meej, yuav tsum siv cov txheej txheem hauv qab no.Dov lub yeeb nkab rau ntawm ob lub rooj lossis cov menyuam kom paub tseeb tias nws ncaj. Qhov sib nrug ntawm cov rooj / cov menyuam yuav tsum yog tsawg kawg yog 2/3 ntawm qhov ntev ntawm cov yeeb nkab. Yuav tsum txiav txim siab qhov chaw siab tshaj plaws ntawm qhov ncaj, thiab qhov sib txawv yuav tsum tsis pub tshaj qhov txwv ntawm 7.5 hli.

7. Cov khoom siv tensile

Cov qauv tsim nyog yog raws li nram no:

cov qauv tsim nyog

Cov qauv tsis ua haujlwm: Siv ob daim kab kuaj los ntawm tib lub nplhaib coj mus kuaj. Yog tias cov khoom siv kho tshuab ntawm ib daim kab kuaj hauv daim qauv coj ob daim tsis ua raws li qhov yuav tsum tau ua, cov kav dej yuav raug tshuaj xyuas thiab cov txheej txheem kev tswj hwm kev ua haujlwm yuav raug siv.

Cov qauv tsim nyog rau DI yeeb nkab cov qauv tsim nyog rau cov yeeb nkab hlau ductile Cov qauv tsim nyog rau EN545 di yeeb nkab Cov qauv tsim nyog rau EN545 cov yeeb nkab hlau ductile Cov qauv tsim nyog rau EN598 DI yeeb nkab Cov qauv tsim nyog rau DI yeeb nkab

8. Brinell hardness

Lub Brinell hardness tester ua haujlwm los ntawm kev nias lub pob hlau ntawm lub cheeb tsam tshwj xeeb rau hauv qhov chaw ntawm qhov ceev tshwj xeeb hauv qab lub zog xeem tshwj xeeb. Tom qab ntawd lub zog raug tshem tawm tom qab lub zog xeem tshwj xeeb tau khaws cia rau lub sijhawm tshwj xeeb. Brinell hardness ntawm cov hlau yog qhia ua qhov nruab nrab siab siv rau ntawm thaj chaw puag ncig ntawm qhov nkag. Brinell hardness xeem tsis cuam tshuam los ntawm kev sib cais me me lossis kev tsis sib xws hauv cov qauv. Los ntawm kev xam qhov sib piv ntawm thaj chaw nkag mus rau qhov thauj khoom siv, nws ntsuas cov khoom siv xws li ductility thiab hnav tsis kam, thiab feem ntau siv ua tus qauv siv rau kev tswj xyuas zoo hauv kev lag luam.

DI PIPE Brinell hardness DI yeeb nkab Brinell hardness Cov yeeb nkab hlau ductile Brinell hardness daim ntawv qhia Cov yeeb nkab hlau ductile Brinell hardness EN545 DI yeeb nkab Brinell hardness EN545 Cov yeeb nkab hlau Ductile Brinell hardness

Qhov Brinell hardness ntawm cov kav hlau centrifugal ductile yuav tsum tsis pub tshaj 230 HBW, thiab Brinell hardness ntawm cov kav hlau ductile uas tsis yog centrifugal, cov khoom siv thiab cov khoom siv yuav tsum tsis pub tshaj 250 HBW. Thaj chaw cuam tshuam los ntawm cua sov ntawm cov khoom siv welded raug tso cai kom muaj qhov Brinell hardness siab dua.

9. Cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov hlau ductile, kev tshawb pom spectral

Cov txheej txheem spectroscopic tuaj yeem tshuaj xyuas cov ntsiab lus ntawm cov ntsiab lus tseem ceeb xws li silicon thiab magnesium hauv cov hlau ductile hauv lub sijhawm tiag tiag (piv txwv li, cov ntsiab lus silicon kawg cuam tshuam ncaj qha rau qhov kub qis qis ntawm cov hlau ductile ferritic), hloov cov txheej txheem tshuaj lom neeg ib txwm muaj rau kev sim ceev ceev thiab coj kev hloov kho cov txheej txheem ua ntej-cast. Los ntawm kev ntsuas qhov faib tawm ntawm cov ntsiab lus xws li carbon thiab sulfur, peb xyuas kom meej tias tus nqi graphite nodularity (spheroidization tus nqi ≥90%) ua tau raws li qhov xav tau tensile zog (≥420 MPa) thiab elongation (≥10%). Kev saib xyuas lub sijhawm tiag tiag ntawm cov hlau sib xyaw thaum lub sijhawm casting txo cov khoom seem thiab txhim kho qhov zoo sab hauv ntawm cov kav dej hlau ductile thiab cov khoom siv.

Cov tshuaj lom neeg ntawm DI Yeeb Nkab Cov yeeb nkab hlau ductile en545 ductile hlau yeeb nkab tshuaj lom neeg muaj pes tsawg leeg EN545 yeeb nkab tshuaj lom neeg muaj pes tsawg leeg

EN545 DI yeeb nkab hlau molten

 Kev tswj hwm cov kev cai rau cov khoom tseem ceeb ntawm cov hlau molten tom qab spheroidization

cov kev xav tau ntawm cov hlau molten

Tau txais daim ntawv qhia txog kev tshuaj xyuas zoo tag nrho

 

 


Lub sijhawm tshaj tawm: Cuaj hlis-11-2025

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Cov Khoom Tshwj Xeeb - Cov Cim Npe Kub - Daim Ntawv Qhia Chaw.xml - AMP Txawb

Dinsen lub hom phiaj yog kawm los ntawm lub tuam txhab nto moo thoob ntiaj teb xws li Saint Gobain kom dhau los ua lub tuam txhab muaj lub luag haujlwm thiab ntseeg siab hauv Suav teb kom txuas ntxiv txhim kho tib neeg lub neej!

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