Vuam & Txiav Xov Xwm
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28 cov lus nug thiab cov lus teb ntawm kev paub vuam rau cov neeg ua haujlwm siab heev (1)
1. Dab tsi yog cov yam ntxwv ntawm thawj cov qauv siv lead ua ntawm cov vuam? Teb: Lub crystallization ntawm lub vuam pas dej ua ke kuj ua raws li cov kev cai ntawm cov kua hlau crystallization: kev tsim cov siv lead ua nuclei thiab kev loj hlob ntawm crystal nuclei. Thaum cov kua hlau nyob rau hauv lub weldin ...Nyeem ntxiv -
Sab saum toj kaum teeb meem uas yooj yim tshaj plaws overlooked hauv vuam. Cov ntsiab lus txiav txim siab ua tiav lossis tsis ua tiav. Thov ua siab ntev nyeem.
Muaj ntau yam uas yuav tsum tau them sai sai rau thaum lub sijhawm vuam. Yog tias tsis quav ntsej, nws yuav ua rau yuam kev loj. Cov ntsiab lus txiav txim siab ua tiav lossis tsis ua tiav, thov nyeem nws ua siab ntev! 1 Tsis txhob xyuam xim xaiv qhov zoo tshaj plaws voltage thaum vuam siv [Phenomena] Thaum vuam, ...Nyeem ntxiv -
Yuav ua li cas vuam kub-resistant steel Cov txheej txheem vuam nyob ntawm no qhia koj
Thaum tshav kub kub-resistant steel yog hais txog cov hlau uas muaj thermal stability thiab thermal zog nyob rau hauv kub kub. Thermal stability yog hais txog lub peev xwm ntawm cov hlau kom muaj kev ruaj ntseg tshuaj (corrosion resistance, non-oxidation) nyob rau hauv qhov kub thiab txias. Thermal zog r...Nyeem ntxiv -
Ua rau thiab tiv thaiv kev ntsuas ntawm vuam pores hauv J507 electrode
Porosity yog cov kab noj hniav tsim thaum cov npuas hauv lub pas dej molten tsis khiav thaum lub sij hawm khov kho thaum vuam. Thaum vuam nrog J507 alkaline electrode, feem ntau muaj nitrogen pores, hydrogen pores thiab CO pores. Lub tiaj vuam txoj hauj lwm muaj qhov pores ntau dua li lwm txoj haujlwm; muaj...Nyeem ntxiv -
Qhov sib txawv ntawm qhov ruaj khov vuam pob qij txha, rotating vuam pob qij txha thiab prefabricated vuam pob qij txha nyob rau hauv pipeline welding
Tsis muaj teeb meem qhov twg qhov vuam sib koom ua ke, nws yog qhov ua tau zoo ntawm kev sib tw vuam. Rau cov pib tshiab, cov haujlwm yooj yim yog cov kev tawm dag zog yooj yim, pib nrog kev sib hloov thiab tom qab ntawd txav mus rau qhov chaw ruaj khov. Qhov sib npaug rau qhov ruaj khov hauv cov kav dej welding yog rotational weldi ...Nyeem ntxiv -
Kev piav qhia ntxaws ntawm qhov chaw vuam txheej txheem
01.Cov lus piav qhia luv luv Spot welding yog ib txoj kev siv vuam tsis zoo uas cov vuam qhov sib dhos tau sib sau ua ke rau hauv lub puab tsaig pob qij txha thiab nias ntawm ob lub electrodes, siv cov cua sov ua kom yaj lub hauv paus hlau los ua cov pob qij txha. Spot vuam yog tsuas yog siv nyob rau hauv cov nram qab no yam: 1. Overlap ntawm nyias pl ...Nyeem ntxiv -
Tom qab ua haujlwm tau ntau xyoo, kuv yuav tsis tuaj yeem piav qhia qhov txawv ntawm CO2, MIGMAG thiab pulsed MIGMAG!
Lub tswv yim thiab kev faib tawm ntawm cov roj hlau arc vuam Cov arc vuam txoj kev uas siv cov molten electrode, cov roj sab nraud raws li qhov nruab nrab arc, thiab tiv thaiv cov hlau tee, vuam pas dej ua ke thiab cov hlau kub kub hauv thaj tsam vuam yog hu ua molten electrode gas shielded arc. vuam. Raws li ...Nyeem ntxiv -
Dab tsi yog cov txheej txheem ntawm kev kuaj tsis muaj kev puas tsuaj ntawm welds, Dab tsi yog qhov txawv
Kev kuaj tsis yog kev puas tsuaj yog kev siv cov khoom siv acoustic, optical, sib nqus thiab hluav taws xob, tsis muaj kev puas tsuaj lossis cuam tshuam rau kev siv cov khoom raws li qhov ua tau zoo ntawm cov khoom yuav raug tshuaj xyuas, txhawm rau txheeb xyuas qhov muaj qhov tsis xws luag lossis tsis sib xws hauv cov khoom. yuav tsum tau soj ntsuam, ...Nyeem ntxiv -
Kab lus no yuav coj koj kom nkag siab yooj yim vuam tsis xws luag - lamellar tawg
Vuam tawg raws li qhov teeb meem loj tshaj plaws ntawm cov vuam tsis xws luag, cuam tshuam rau kev ua haujlwm thiab kev nyab xeeb thiab kev ntseeg siab ntawm cov qauv welded. Niaj hnub no, peb yuav coj koj los paub txog ib qho ntawm cov kab nrib pleb - laminated tawg. 01 Non-metallic inclusions, steel phaj hauv dov proc ...Nyeem ntxiv -
Kev sib piv ntawm qhov sib txawv ntawm TIG, MIG thiab MAG vuam! Nkag siab ib zaug thiab rau tag nrho!
Qhov sib txawv ntawm TIG, MIG thiab MAG vuam 1. TIG vuam feem ntau yog vuam teeb tuav ntawm ib txhais tes thiab vuam hlau tuav nyob rau hauv lwm yam, uas yog tsim rau phau ntawv vuam ntawm me me kev khiav hauj lwm thiab kho. 2. Rau MIG thiab MAG, cov vuam hlau raug xa tawm los ntawm lub vuam teeb thro...Nyeem ntxiv -
Qhov sib txawv ntawm qhov sib txuas ruaj khov, sib hloov vuam sib txuas thiab prefabricated vuam sib koom ua ke hauv cov kav dej vuam
Kev sib hloov welding sib haum mus rau qhov ruaj khov hauv cov kav dej vuam. Tiav vuam txhais tau hais tias lub vuam sib txuas tsis tuaj yeem txav mus tom qab cov yeeb nkab ua ke, thiab vuam tau ua raws li qhov hloov ntawm vuam txoj hauj lwm (kab rov tav, ntsug, nce, thiab nruab nrab-theem hloov) thaum lub sij hawm ...Nyeem ntxiv -
Vuam kev ua haujlwm tseem ceeb
Qhov kev nkag siab zoo thiab txoj kev nyab xeeb ntawm cov vuam siv hluav taws xob, cov txheej txheem kev khiav hauj lwm yog raws li hauv qab no: 1. Koj yuav tsum paub txog kev paub txog hluav taws xob, ua raws li cov kev cai dav dav ntawm cov vuam vuam, thiab paub txog kev tua hluav taws, kev pab thawj zaug rau hluav taws xob thiab cov khoom siv hluav taws xob. ...Nyeem ntxiv
