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 i-alloys zethusi, kodwa iingxaki zinokubangelwa ziingcinezelo eziphantsi 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 ne-welding beryllium copper kunye nentsimbi, okanye ezinye iialloys ezixhathisayo eziphezulu, ibhalansi ye-thermal engcono inokufunyanwa ngokusebenzisa i-electrodes enemigangatho emincinci yokudibanisa kwicala le-beryllium yobhedu.Izinto ze-electrode ezidibanisa nobhedu lwe-beryllium kufuneka zibe ne-conductivity ephezulu kune-workpiece, i-electrode ye-RWMA2 ye-grade grade 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 ye-resistivity ephezulu ingaphezulu kwe-5, i-welding ye-projection kufuneka isetyenziswe ngenxa yobunzima be-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 i-electrode ye-pole;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 asetyenziswe ngokukhawuleza kwaye aphakame ngokwaneleyo ukwenza 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.