I-Resistance welding yindlela ethembekileyo, ephantsi, kunye nesebenzayo yokudibanisa ngokusisigxina iziqwenga ezimbini okanye ngaphezulu zetsimbi kunye.Ngelixa ukuchaswa kwe-welding yinkqubo yokwenyani yokwenyani, akukho ntsimbi yokuzalisa, akukho rhasi ye-welding.Akukho ntsimbi engaphezulu yokuyisusa emva kwe-welding.Le ndlela ifanelekile kwimveliso yobuninzi.Iiwelds ziqinile kwaye azibonakali.

Ngokwembali, ukuwelda ukuxhathisa kusetyenziswe ngokufanelekileyo ukujoyina iintsimbi ezixhathisayo ezifana nentsimbi kunye ne-nickel alloys.I-conductivity ephezulu yombane kunye ne-thermal ye-alloys yobhedu yenza i-welding ibe nzima ngakumbi, kodwa izixhobo ze-welding eziqhelekileyo zihlala zikwazi ukwenza ezi I-alloy inomgangatho omhle we-weld epheleleyo.Ngobuchule obufanelekileyo bokuwelda, i-beryllium yobhedu inokudityaniswa ngokwayo, kwezinye iialloyi zobhedu, kunye nentsimbi.Iialloyi zobhedu ezingaphantsi kwe-1.00mm ubukhulu zilula ukuwelda.

Iinkqubo ze-resistance welding eziqhelekileyo ezisetyenziselwa ukuwelda i-beryllium copper components, i-spot welding kunye ne-projection welding.Ubuninzi be-workpiece, i-alloy material, izixhobo ezisetyenzisiweyo kunye nesimo somhlaba esifunekayo sichaza ukufaneleka kwenkqubo echaphazelekayo.Ezinye iindlela ezixhaphakileyo zokumelana ne-welding, ezifana ne-flame welding, i-butt welding, i-seam welding, njl., ayiqhelekanga ukusetyenziswa kwi-alloys yobhedu kwaye ayiyi kuxoxwa.Ii-alloys zobhedu zilula ukubetha.

Izitshixo zokumelana ne-welding zikhoyo ngoku, uxinzelelo kunye nexesha.Uyilo lwee-electrode kunye nokukhethwa kwezinto ze-electrode kubaluleke kakhulu ekuqinisekiseni umgangatho we-welding.Kuba luninzi uncwadi malunga nokumelana nokuwelda kwentsimbi, iimfuno ezininzi zokuwelda ubhedu lweberyllium ezithiwe thaca apha zibhekisa kubunzima obufanayo.Ukumelana ne-welding ayisiyonzululwazi echanekileyo, kwaye izixhobo kunye neenkqubo zokuwelda zinempembelelo enkulu kumgangatho wokuwelda.Ke ngoko, kunikezelwa apha njengesikhokelo kuphela, uthotho lweemvavanyo ze-welding zingasetyenziselwa ukumisela iimeko ezifanelekileyo zokuwelda kwisicelo ngasinye.

Ngenxa yokuba uninzi lwezinto ezingcolisa umphezulu zinokumelana nombane okuphezulu, umphezulu kufuneka ucocwe rhoqo.Imiphezulu engcolileyo inokunyusa ubushushu bokusebenza kwe-electrode, inciphise ubomi bencam ye-electrode, inike umphezulu ongasetyenziswayo, kwaye ibangele ukuba isinyithi siphambuke kwindawo ye-weld.bangela i-welding yobuxoki okanye intsalela.Ifilimu yeoli encinci kakhulu okanye i-preservative ifakwe kumphezulu, ngokuqhelekileyo ayinayo ingxaki yokumelana ne-welding, kunye ne-beryllium copper electroplated phezu kwayo ineengxaki ezincinci kwi-welding.

Iberyllium yobhedu enezithambiso ezigqithisileyo ezingagcobiyo okanye ezigungxulwayo okanye ezigximfizwayo zinokucocwa isinyibilikisi.Ukuba umphezulu unomhlwa kakhulu okanye umphezulu we-oxidized ngonyango olulula lokushisa, kufuneka luhlanjwe ukususa i-oxide.Ngokungafaniyo ne-oxide ye-copper oxide ebonakalayo ebomvu-mdaka, i-beryllium oxide ebonakalayo kwi-strip surface (eveliswe ngonyango lokushisa kwi-inert okanye i-gas yokunciphisa) kunzima ukuyibona, kodwa kufuneka isuswe ngaphambi kokuba i-welding.

I-Beryllium Copper Alloy

Kukho iintlobo ezimbini ze-beryllium copper alloys.Amandla aphezulu e-beryllium copper alloys (I-Alloys 165, 15, 190, 290) inamandla aphezulu kunanoma yiyiphi i-alloy yobhedu kwaye isetyenziswa ngokubanzi kwizixhumi zombane, izitshixo kunye nemithombo.I-conductivity yombane kunye ne-thermal ye-alloy yamandla aphezulu malunga ne-20% yobhedu olucocekileyo;i-high-conductivity beryllium copper alloys (i-alloys 3.10 kunye ne-174) inamandla aphantsi, kwaye ukuhanjiswa kwawo kombane malunga ne-50% yobhedu olusulungekileyo, olusetyenziselwa izihlanganisi zamandla kunye nokuhanjiswa.Amandla aphezulu e-beryllium i-alloys yobhedu kulula ukuxhathisa i-weld ngenxa ye-conductivity yombane ephantsi (okanye ukuxhathisa okuphezulu).

I-beryllium yobhedu ifumana amandla ayo aphezulu emva kokunyanga ubushushu, kwaye zombini i-beryllium i-alloys yethusi inokubonelelwa kwimeko yangaphambili okanye ekuphathweni ukushisa.Imisebenzi ye-welding kufuneka inikezelwe ngokubanzi kwimeko yokushisa ukushisa.Umsebenzi we-welding kufuneka uqhutywe ngokubanzi emva kokunyanga kobushushu.Kwi-welding ye-beryllium yobhedu, indawo echaphazelekayo yokushisa idla ngokuba yincinci kakhulu, kwaye akufuneki ukuba ube ne-beryllium yobhedu yokwenza unyango lobushushu emva kwe-welding.I-alloy M25 yimveliso yentonga ye-beryllium yokusika yasimahla.Ekubeni le ngxube iqulethe i-lead, ayifanelekanga kwi-welding yokumelana.

Ukumelana neendawo zokuwelda

I-beryllium yobhedu ine-resistiveivity ephantsi, i-conductivity ephezulu ye-thermal kunye ne-coefficient yokwandisa kunentsimbi.Ngokubanzi, i-beryllium yobhedu inamandla afanayo okanye aphezulu kunentsimbi.Xa usebenzisa i-resistance spot welding (RSW) i-beryllium yobhedu ngokwayo okanye i-beryllium yobhedu kunye nezinye i-alloys, sebenzisa i-welding current ephezulu, (15%), i-voltage ephantsi (75%) kunye nexesha elifutshane le-welding (50%) .Ubhedu be-beryllium bumelana noxinzelelo oluphezulu lwe-welding kunezinye ii-alloys zobhedu, kodwa iingxaki zinokubangelwa kuxinzelelo oluphantsi kakhulu.

Ukufumana iziphumo ezihambelanayo kwii-alloys zethusi, izixhobo ze-welding kufuneka zikwazi ukulawula ngokuchanekileyo ixesha kunye nexesha langoku, kunye nezixhobo ze-welding ze-AC zikhethwa ngenxa yokushisa kwe-electrode ephantsi kunye neendleko eziphantsi.Amaxesha e-Welding emijikelezo ye-4-8 avelise iziphumo ezingcono.Xa ukuwelda isinyithi kunye coefficients ukwandiswa efanayo, welding tilt kunye overcurrent welding inokulawula ukwandiswa kwentsimbi ukunciphisa ingozi efihlakeleyo yokuqhekeka welding.I-beryllium yobhedu kunye nezinye iialloys zobhedu zidityaniswe ngaphandle kokuthambeka kunye ne-overcurrent welding.Ukuba i-welding inclined kunye ne-welding overcurrent isetyenzisiweyo, inani lamaxesha lixhomekeke kubukhulu be-workpiece.

Kwindawo yokumelana newelding yeberyllium yobhedu kunye nentsimbi, okanye ezinye iialloys ezixhathisayo, ibhalansi ye-thermal engcono inokufunyanwa ngokusebenzisa i-electrode enemigangatho emincinci yokudibanisa kwelinye icala le-beryllium yobhedu.Izinto ze-electrode ezidibanisa nobhedu lwe-beryllium kufuneka zibe ne-conductivity ephezulu kune-workpiece, i-electrode yeqela le-RWMA2 ifanelekile.Ii-electrodes zetsimbi ezichasayo (i-tungsten kunye ne-molybdenum) zineendawo eziphezulu zokunyibilika.Akukho mkhuba wokunamathela kwi-beryllium copper.I-13 kunye ne-14 yee-electrode ze-pole ziyafumaneka.Inzuzo yeentsimbi eziphikisayo bubomi babo benkonzo ende.Nangona kunjalo, ngenxa yobunzima be-alloys ezinjalo, umonakalo ophezulu unokwenzeka.I-electrode epholileyo yamanzi iya kunceda ukulawula iqondo lokushisa kunye nokwandisa ubomi be-electrode.Noko ke, xa udityaniswa iziqendu ezibhityileyo zeberyllium yobhedu, ukusetyenziswa kwee-electrode ezipholiswe ngamanzi kunokubangela ukucinywa kwesinyithi.

Ukuba umehluko wobunzima phakathi kwe-beryllium yobhedu kunye ne-alloy resistivity alloy inkulu kune-5, i-welding ye-projection kufuneka isetyenziswe ngenxa yokungabikho kwe-balance balance thermal.

Ukumelana nentelekelelo yewelding

Uninzi lweengxaki zobhedu beryllium kwindawo yokumelana ne-welding ingasombululwa nge-resistance projection welding (RpW).Ngenxa yommandla wayo omncinci ochaphazelekayo ubushushu, imisebenzi emininzi inokwenziwa.Iintsimbi ezahlukeneyo ezinobunzima obahlukeneyo kulula ukuzidibanisa.Ii-electrode ezibanzi ezinqamlezileyo kunye neemilo ezahlukeneyo ze-electrode zisetyenziselwa ukuxhathisa iprojekti ye-welding ukunciphisa i-deformation kunye nokunamathela.I-Electrode conductivity ayiyongxaki encinci kune-resistance spot welding.Ngokuqhelekileyo zisetyenziswa zi-2, 3, kunye ne-4-pole electrode;Ukuqina kwe-electrode, kokukhona ubomi bude.

Iialloyi zobhedu ezithambileyo azingeni kwi-welding yokuchasana, i-beryllium yobhedu yomelele ngokwaneleyo ukunqanda ukuqhekeka kwe-bump kwangaphambi kwexesha kunye nokubonelela ngeweld epheleleyo.Ubhedu lweBeryllium lunokuba luqikelelo oludityanisiweyo kubukhulu obungaphantsi kwe-0.25mm.Njengakwindawo yokumelana nokuwelda, izixhobo ze-AC zihlala zisetyenziswa.

Xa i-soldering metals dissimilar, i-bumps ifumaneka kwii-alloys eziphezulu zokuqhuba.Iberyllium yobhedu iyathambile ngokwaneleyo ukuba ingabetha okanye ikhuphe phantse nayiphi na imilo yeconvex.Kubandakanya iimilo ezibukhali kakhulu.I-beryllium yobhedu yomsebenzi kufuneka yenziwe ngaphambi kokuba unyango olushushu luphephe ukuqhekeka.

Njengokumelana nendawo yokuwelda, iinkqubo ze-beryllium zokumelana nobhedu zifuna i-amperage ephezulu.Amandla kufuneka abe namandla okomzuzwana kwaye aphakame ngokwaneleyo ukuze enze ukuba i-protrusion inyibilike ngaphambi kokuba iqhekeke.Uxinzelelo lwe-Welding kunye nexesha lihlengahlengiswa ukulawula ukuphuka kwe-bump.Uxinzelelo lwe-welding kunye nexesha likwaxhomekeke kwi-geometry ye-bump.Uxinzelelo olugqabhukileyo luya kunciphisa iziphene ze-weld ngaphambi nangemva kwe-welding.

Ukuphathwa ngokukhuselekileyo kweBeryllium Copper

Njengezinto ezininzi zoshishino, i-beryllium copper iyingozi kwimpilo kuphela xa ingaphathwa ngokufanelekileyo.I-beryllium yobhedu ikhuselekile ngokupheleleyo kwimo yayo eqhelekileyo eqinileyo, kwiindawo ezigqityiweyo, nakwimisebenzi emininzi yokuvelisa.Nangona kunjalo, kwipesenti encinci yabantu, ukuphefumla amasuntswana amahle kunokukhokelela kwiimeko ezihlwempuzekileyo zemiphunga.Ukusebenzisa ulawulo lobunjineli olulula, olufana nemisebenzi yokukhupha umoya eyenza uthuli olucolekileyo, inokunciphisa ingozi.

Ngenxa yokuba i-welding melt incinci kakhulu kwaye ayivuleki, akukho ngozi ekhethekileyo xa inkqubo ye-beryllium yokumelana nobhedu ilawulwa.Ukuba inkqubo yokucoca ngoomatshini iyadingeka emva kwe-soldering, kufuneka yenziwe ngokubeka umsebenzi kwi-particle particle.