Hunhu uye uwandu Stainless simbi welded pombi
Simbi isina tsvina yakashongedzwa pombi, inodaidzwa seye welded pombi kwenguva pfupi, ipombi yesimbi inogadzirwa nesimbi inowanzo shandiswa kana simbi tambo mushure mekumomoka uye kuumbwa nechikamu uye kufa. Welded simbi pombi ine zvakanakira nyore kugadzirwa muitiro, yakakwirira kugadzirwa kunyatsoshanda, akawanda siyana uye nokurondedzerwa uye shoma midziyo mari, asi simba rayo rose rakaderera pane musono simbi pombi.
Kubva kuma1930s, nekukurumidza kusimudzira kwemhando yepamusoro tambo inoenderera kugadzirwa uye kufambira mberi kwewelding uye yekuongorora tekinoroji, mhando yeweld yakaramba ichivandudzwa, mhando uye zvirevo zvepombi dzesimbi dzakashongedzerwa dzave kuwedzera, uye mapaipi esimbi asina musono akave. yakatsiviwa muminda yakawanda uye yakawanda, kunyanya mumapombi emidziyo yekutsinhana kupisa, pombi dzekushongedza, dzepakati uye dzakaderera kumanikidza mvura pombi, nezvimwe.
Diki dhayamita Stainless simbi welded pombi inogadzirwa nguva dzose pa-line. Iko kukora kwemadziro, ndiko kukura kwekudyara kweyuniti uye fusion zvishandiso, uye kushoma kwehupfumi uye kunoshanda. Iyo yakaonda madziro ukobvu ndeye, yakaderera iyo yekupinza-yekubuda reshiyo ichave; Chechipiri, maitiro echigadzirwa anotarisa zvakanakira uye zvazvakaipira. Kazhinji, pombi yesimbi yakashongedzwa ine hutsanana hwepamusoro, ukobvu hwemadziro hwakafanana, kupenya kwepamusoro mukati nekunze kwepombi (kupenya kwepombi yesimbi kunotemerwa negiredhi repamusoro rendiro yesimbi), uye inogona kuve yakasarudzika saizi. Naizvozvo, inomiririra hupfumi hwayo uye aesthetics mukushandiswa kwepamusoro-chaiyo, yepakati uye yakaderera kudzvinyirira mvura.
316L Stainless steel welded pombi ndiyo pombi yakakosha, saka inewo akawanda anodiwa zviratidzo zvekuomarara, kusanganisira akawanda maficha. Izvi zvinotevera kuomarara zviratidzo zve 16L simbi isina tsvina yakashongedzwa pombi. Zvinoenderana neyakasiyana nzira dzekuedza uye chiyero chekushandisa, kuomarara kunogona kukamurwa kuita Brinell kuomarara, Rockwell kuomarara, Vickers kuomarara, kuoma kwemahombekombe, microhardness uye yakanyanya kupisa kuoma. Brinell, Rockwell uye Vickers kuomarara kunowanzo shandiswa papombi.
1.Brinell kuomarara (HB) dzvanya bhora resimbi kana simende bhora re carbide rine imwe dhayamita mukati mesample surface ine yakataurwa simba rekuyedza (f), bvisa simba rekuyedza mushure menguva yakatarwa yekubata, kuyera iyo indentation dhayamita (L) pamuenzaniso. pamusoro, uye iyo Brinell kuoma kukosha ndiyo quotient inowanikwa nekupatsanura simba rekuyedza neiyo indentation spherical surface. Inoratidzwa muHBS (bhora resimbi), iyo unit ndeye n / mm2 (MPA), uye fomula yekuverenga iri seizvi: F - simba rekuyedza rakatsikirirwa pamusoro pe316L simbi isina tsvina yakashongedzwa pombi sampu, N, D - dhayamita yebhora resimbi. yebvunzo, MMD - yunifomu dhayamita ye indentation, mm. Kutemerwa kweBrinell kuomarara kwakanyanya uye kwakavimbika, asi kazhinji HBS inongokodzera zvinhu zvesimbi pazasi 450N / mm2 (MPA), kwete yesimbi yakaoma kana kutetepa 316L simbi isina tsvina yakashongedzwa pombi. Mu 316L Stainless simbi yakasungwa pombi, Brinell kuoma ndiyo inonyanya kushandiswa. Indentation dhayamita D inowanzoshandiswa kuratidza kuoma kwezvinhu, izvo zvinonzwisisika uye zviri nyore.
Semuenzaniso, 120hbs10 / 1000130 inoratidza kuti kuomarara kweBrinell kwakayerwa nekushandisa bhora resimbi dhayamita gumi pasi pekuita kwe1000kgf (9.807kn) test force ye30s i120N / mm2 (MPA).
2.Rockwell kuomarara (HK) Rockwell kuomarara bvunzo, senge Brinell kuomarara bvunzo, inzira yekuyedza yekudzika. Musiyano ndewekuti inoyera kudzika kweiyo indentation, ndiko kuti, pasi pechiito chekutevedzana kwekutanga Yong test force (FO) uye yakazara bvunzo simba (f), dzvanya indenter (simbi chigayo cone kana simbi bhora) mumuenzaniso wepamusoro, bvisa. simba guru rekuedza mushure mekutsanangura nguva yekubata, uye kuverenga kukosha kwekuoma nechiyero chakasara indentation deep increment (E). Kukosha kwayo inhamba isingazivikanwe, inomiririrwa nechiratidzo hr. Zviyero zvakashandiswa zvinosanganisira zvikero 9 zvakaita sea, B, C, D, e, F, G, h uye K. Zviyero zvinowanzoshandiswa pakuedza kuomarara kwe316L simbi isina tsvina yepombi inokandwa kazhinji a, B neC, kureva HRA, HRB uye HRC. Kuomarara kukosha kunoverengerwa neinotevera fomula: kana chiyero a uye C chinoshandiswa bvunzo, HR = 100-e. kana chikero B chichishandiswa pakuedza, HR = 130-e. mune fomula, e -- residual indentation deep increment, iyo inoratidzwa muchikamu chakatemerwa che0.002mm, kureva kuti, kana axial displacement yeindenter iri imwe unit (0.002mm), yakaenzana nehuwandu hwekuoma kweRockwell. shanduko.
