Resistance welding inzira yakavimbika, isingadhuri, uye inoshanda yekubatanidza zvachose zvidimbu zviviri kana kupfuura zvesimbi pamwechete.Nepo kuramba welding iri chaiyo welding process, hapana filler simbi, hapana welding gasi.Iko hakuna simbi yakawandisa yekubvisa mushure mekugadzira.Iyi nzira yakakodzera kugadzirwa kwehuwandu.Mawelds akasimba uye haanyatso kuoneka.

Nhoroondo, kuramba welding yakashandiswa zvinobudirira kujoinha masimbi ekupikisa akadai sesimbi uye nickel alloys.Iyo yakakwirira yemagetsi uye yekupisa conductivity yemhangura alloys inoita kuti welding iwedzere kuoma, asi yakajairwa welding midziyo kazhinji ine kugona kugadzira izvi Iyo alloy ine yakanaka mhando yakazara weld.Nemaitiro akakodzera ekushingisa welding, beryllium mhangura inogona kusungirirwa pachayo, kune mamwe alloys emhangura, uye kusimbi.Mhangura alloys asingasviki 1.00mm gobvu anowanzo kuve nyore kupinza.

Resistance welding maitirwo anowanzo shandiswa kuchinjisa beryllium mhangura zvikamu, nzvimbo welding uye fungidziro welding.Ukobvu hwechishandiso, iyo alloy zvinhu, midziyo inoshandiswa uye mamiriro epamusoro anodiwa anotarisisa kukodzera kweiyo maitiro.Mamwe maitiro anowanzo shandiswa ekupikisa welding, senge flame welding, butt welding, seam welding, nezvimwe, hazviwanzo shandiswa kune alloys emhangura uye hazvizokurukurwa.Copper alloys zviri nyore kubhuroka.

Makiyi ekupikisa welding ndeazvino, kudzvanywa uye nguva.Magadzirirwo emagetsi uye kusarudzwa kwezvinhu zve electrode zvakakosha zvakanyanya kune kuvimbiswa kwemhando yewelding.Sezvo paine akawanda mabhuku ezvekupokana nesimbi, izvo zvakati wandei zvinodikanwa zvekuputira beryllium mhangura zvinoratidzwa pano zvinoreva ukobvu hwakafanana.Resistance welding haisati iri sainzi chaiyo, uye michina yewelding nemaitirwo ane simba guru pamhando yewelding.Naizvozvo, yakaunzwa pano segwara chete, nhevedzano yewelding bvunzo inogona kushandiswa kuona iyo yakanyanya kunaka welding mamiriro kune yega application.

Nekuti akawanda workpiece anosvibisa pamusoro ane yakakwirira magetsi kuramba, pamusoro inofanira kucheneswa nguva dzose.Nzvimbo dzakasvibiswa dzinogona kuwedzera tembiricha yekushanda kwe electrode, kuderedza hupenyu hwe electrode tip, kuita kuti nzvimbo isashande, uye kuita kuti simbi ibve panzvimbo yeweld.kukonzera welding yenhema kana zvakasara.Firimu remafuta rakatetepa kwazvo kana kuchengetedza rakanamirwa pamusoro, iro kazhinji risina matambudziko nekushivirira, uye beryllium mhangura yakapfekwa pamusoro peiyo ine matambudziko mashoma mukunama.

Beryllium mhangura ine yakawandisa isiri-girisi kana yekutsvaira kana kutsika mafuta inogona kucheneswa.Kana nzvimbo yacho yakasvibiswa zvakanyanya kana kuti pasi yakasvibiswa nekugadzirisa kupisa kwechiedza, inoda kushambidzwa kubvisa oxide.Kusiyana nekunyanya kuoneka dzvuku-brown copper oxide, iyo yakajeka beryllium oxide pamucheka wepamusoro (inogadzirwa nekupisa kurapwa mune inert kana kuderedza gasi) yakaoma kuona, asi inofanirawo kubviswa isati yatungirwa.

Beryllium Copper Alloy

Kune marudzi maviri e beryllium copper alloys.Simba repamusoro beryllium copper alloys (Alloys 165, 15, 190, 290) ine simba rakakwirira kudarika chero ipi zvayo yemhangura yemhangura uye inoshandiswa zvakanyanya mumagetsi emagetsi, switch uye zvitubu.Iyo yemagetsi uye yekupisa conductivity yeiyi yakakwirira-simba alloy inenge 20% yeiyo yakachena mhangura;high-conductivity beryllium copper alloys (alloys 3.10 uye 174) ane simba rakaderera, uye maitiro avo emagetsi anenge anenge 50% yemhangura yakachena, inoshandiswa pamagetsi emagetsi uye relays.Simba repamusoro beryllium copper alloys zviri nyore kupikisa weld nekuda kwekuderera kwemagetsi conductivity (kana yakakwirira resistivity).

Beryllium mhangura inowana simba rayo repamusoro mushure mekupisa kupisa, uye zvese zviri zviviri beryllium mhangura alloys inogona kupihwa mu pre-heated kana kupisa-kurapwa mamiriro.Welding mashandiro anofanira kazhinji kupihwa mune inodziya-yakagadziriswa mamiriro.The welding operation inofanira kazhinji kuitwa mushure mekupisa kupisa.Mukudzivirira welding yeberyllium mhangura, nzvimbo inobatwa nekupisa inowanzova diki, uye haidiwe kuve neberyllium copper workpiece yekupisa kupisa mushure mekupisa.Alloy M25 ndeyemahara-kucheka beryllium yemhangura tsvimbo chigadzirwa.Sezvo iyi alloy iine lead, haina kukodzera kupinza welding.

Resistance spot welding

Beryllium mhangura ine yakaderera resistivity, yakakwirira thermal conductivity uye coefficient yekuwedzera kupfuura simbi.Pakazara, beryllium mhangura ine simba rimwechete kana rakakwirira kupfuura simbi.Paunenge uchishandisa resistance spot welding (RSW) beryllium copper pachayo kana beryllium copper nemamwe maalloys, shandisa yakakwira welding current, (15%), yakaderera voltage (75%) uye ipfupi welding time (50%) .Beryllium mhangura inomirisana nepamusoro welding pressure kupfuura mamwe maalloys emhangura, asi matambudziko anogonawo kukonzerwa nekuderera kwakanyanya.

Kuti uwane mhedzisiro inowirirana mumhangura alloys, welding michina inofanirwa kunyatso kudzora nguva uye ikozvino, uye AC welding michina inosarudzwa nekuda kwekudzika kwayo kweelectrode tembiricha uye mutengo wakaderera.Welding nguva dze4-8 cycle dzakaburitsa zvirinani.Kana welding simbi dzine zvakafanana ekuwedzera coefficients, tilt welding uye overcurrent welding inogona kudzora kuwedzera kwesimbi kudzikamisa njodzi yakavanzwa yekutsemuka kwemagetsi.Beryllium mhangura nemamwe maalloys emhangura anosungwa pasina kurereka uye overcurrent welding.Kana inclined welding uye overcurrent welding inoshandiswa, nhamba yenguva inoenderana nehupamhi hwebasa rekushanda.

Mukushivirira nzvimbo welding yeberyllium mhangura nesimbi, kana mamwe maaloyi anodzivirira, zviri nani kupisa chiyero chinogona kuwanikwa nekushandisa maelectrodes ane madiki ekusangana kune rimwe divi reberyllium copper.Iyo electrode zvinhu zvinosangana neberyllium mhangura inofanira kuva nepamusoro conductivity kupfuura workpiece, RWMA2 boka re electrode rakakodzera.Refractory metal electrodes (tungsten uye molybdenum) ine yakanyanya kunyungudika.Iko hakuna tsika yekunamatira kune beryllium mhangura.13 uye 14 pole electrodes iripo zvakare.Zvakanakira refractory simbi hupenyu hwavo hurefu hwebasa.Zvisinei, nekuda kwekuoma kwema alloys akadaro, kukanganisa kwepamusoro kunogona kuitika.Mvura-yakatonhodzwa maelectrode anozobatsira kudzora tembiricha yekupisa uye kurebesa hupenyu hwe electrode.Zvisinei, pakunama zvidimbu zvitete zvikuru zvemhangura yeberyllium, kushandisa maelectrodes anotonhodzwa nemvura kunogona kukonzera kudzimwa kwesimbi.

Kana musiyano weukobvu pakati peberyllium mhangura uye yakakwira resistivity alloy yakakura kupfuura 5, fungidziro yewelding inofanirwa kushandiswa nekuda kwekushaikwa kweiyo inoshanda yekupisa chiyero.

Resistance projection welding

Mazhinji ematambudziko eberyllium mhangura mukupokana nzvimbo welding anogona kugadziriswa neresistance projection welding (RpW).Nekuda kweiyo diki kupisa kwakakanganisika nzvimbo, akawanda maoparesheni anogona kuitwa.Masimbi akasiyana ehukobvu hwakasiyana ari nyore kubatanidza.Yakapamhama muchinjika-chikamu maelectrodes uye akasiyana maelectrode maumbirwo anoshandiswa mukupikisa projection welding kuderedza deformation uye kunamira.Electrode conductivity ishoma yedambudziko pane ye resistance spot welding.Inowanzoshandiswa ndeye 2, 3, uye 4-pole electrodes;kuoma kwe electrode, hupenyu hurefu.

Akapfava emhangura alloys haaitike kuramba projekiti welding, beryllium mhangura yakasimba zvakakwana kudzivirira nguva isati yakwana kuputika uye inopa weld yakakwana.Beryllium mhangura inogona zvakare kuve fungidziro yakasungirirwa pakukora pazasi 0.25mm.Sezvinei nekupikisa nzvimbo welding, AC michina inowanzo shandiswa.

Paunenge uchitengesa simbi dzakasiyana, mabumps anowanikwa mune yakakwirira conductive alloys.Beryllium mhangura inoumbika zvekuti inogona kubaya kana kuburitsa chero chero chimiro che convex.Kusanganisira zvimiro zvakapinza.Iyo beryllium yemhangura yemhangura inofanirwa kuumbwa isati yapisa kurapwa kuti irege kuputika.

Senge resistance spot welding, beryllium copper resistance projection welding process inoda yakakwira amperage.Simba racho rinofanirwa kuve rakasimbiswa kwekanguva uye rakakwirira zvakakwana kuti riite kuti protrusion inyunguduke isati yatsemuka.Welding pressure uye nguva inogadziriswa kudzora bump breakage.Welding pressure uye nguva zvakare zvinoenderana nebump geometry.Iko kuputika kudzvinyirira kunoderedza weld defects isati yasvika uye mushure mekugadzira.

Kubata Kwakachengeteka kweBeryllium Copper

Kufanana nezvinhu zvakawanda zvemaindasitiri, beryllium mhangura ingori njodzi yehutano kana ikabatwa zvisina kunaka.Beryllium mhangura yakachengeteka zvachose mune yayo yakajairwa yakasimba fomu, muzvikamu zvakapedzwa, uye mune akawanda ekugadzira mabasa.Nekudaro, muchikamu chidiki chevanhu, kufemerwa kwezvimedu zvakanaka kunogona kutungamirira kune hurombo mamiriro emapapu.Kushandisa zvidzoreso zveinjiniya zvakapfava, senge mavhiya emhepo anoburitsa huruva, anogona kuderedza njodzi.

Nekuti welding melt idiki uye haina kuvhurika, hapana njodzi yakakosha kana beryllium copper resistance welding process inodzorwa.Kana iyo mechanic yekuchenesa maitiro ichidikanwa mushure mekutengesa, inofanirwa kuitwa nekufumura basa kune yakanaka particle nharaunda.