Pali mitundu iwiri yazitsulo zamkuwa za beryllium.Ma aloyi amkuwa amphamvu kwambiri a beryllium (Alloys 165, 15, 190, 290) ali ndi mphamvu zambiri kuposa aloyi amkuwa ndipo amagwiritsidwa ntchito kwambiri pazolumikizira zamagetsi, masiwichi ndi akasupe.Mphamvu yamagetsi ndi matenthedwe aloyi yamphamvu kwambiri iyi ndi pafupifupi 20% ya mkuwa wangwiro;high-conductivity beryllium copper alloys (3.10 ndi 174) ali ndi mphamvu zochepa, ndipo mphamvu zawo zamagetsi zimakhala pafupifupi 50% zamkuwa zoyera, zomwe zimagwiritsidwa ntchito polumikizira mphamvu ndi ma relay.Mphamvu zapamwamba za beryllium zamkuwa ndizosavuta kukana kuwotcherera chifukwa cha kutsika kwawo kwamagetsi (kapena resistivity yapamwamba).
Mkuwa wa Beryllium umalandira mphamvu zake zambiri pambuyo pa chithandizo cha kutentha, ndipo ma alloy amkuwa onse a beryllium amatha kuperekedwa mumkhalidwe wotenthedwa kapena kutentha.Zowotcherera ziyenera kuperekedwa pamalo otetezedwa ndi kutentha.The kuwotcherera ntchito zambiri ayenera kuchitidwa pambuyo kutentha mankhwala.Pokana kuwotcherera mkuwa wa beryllium, malo omwe amakhudzidwa ndi kutentha nthawi zambiri amakhala ochepa kwambiri, ndipo sikofunikira kukhala ndi zida zamkuwa za beryllium zopangira kutentha pambuyo pakuwotcherera.Aloyi M25 ndi chida chamkuwa chodula cha beryllium.Popeza aloyiyi ili ndi lead, siyenera kuwotcherera kukana.
Kukaniza malo kuwotcherera
Mkuwa wa Beryllium uli ndi mphamvu yotsika, yotsika matenthedwe matenthedwe komanso kukulirakulira kuposa chitsulo.Zonsezi, mkuwa wa beryllium uli ndi mphamvu zofanana kapena zapamwamba kuposa zitsulo.Mukamagwiritsa ntchito kukana kuwotcherera malo (RSW) beryllium mkuwa wokha kapena mkuwa wa beryllium ndi ma aloyi ena, gwiritsani ntchito kuwotcherera kwapamwamba, (15%), voteji yotsika (75%) ndi nthawi yaifupi yowotcherera (50%) .Mkuwa wa Beryllium umalimbana ndi zovuta zowotcherera kwambiri kuposa ma aloyi ena amkuwa, koma mavuto amathanso kuyambitsidwa ndi kupsinjika komwe kumakhala kotsika kwambiri.
Kuti mupeze zotsatira zofananira mu ma aloyi amkuwa, zida zowotcherera ziyenera kuwongolera bwino nthawi ndi zamakono, ndipo zida zowotcherera za AC zimakondedwa chifukwa cha kutentha kwake kwa electrode komanso kutsika mtengo.Nthawi zowotcherera zozungulira 4-8 zimabweretsa zotsatira zabwino.Pamene kuwotcherera zitsulo ndi coefficients ofanana kukula, kupendekeka kuwotcherera ndi overcurrent kuwotcherera akhoza kulamulira kukula kwa chitsulo kuchepetsa ngozi zobisika za kuwotcherera ming'alu.Beryllium mkuwa ndi ma aloyi ena amkuwa amawotcherera popanda kupendekeka komanso kuwotcherera mopitilira muyeso.Ngati kuwotcherera ndi kuwotcherera kopitilira muyeso kumagwiritsidwa ntchito, kuchuluka kwa nthawi kumatengera makulidwe a workpiece.
Pamalo okanira kuwotcherera beryllium mkuwa ndi chitsulo, kapena ma aloyi ena okana kwambiri, matenthedwe abwinoko amatha kupezeka pogwiritsa ntchito maelekitirodi okhala ndi malo ang'onoang'ono olumikizana kumbali yamkuwa ya beryllium.Elekitirodi zakuthupi kukhudzana ndi beryllium mkuwa ayenera kukhala ndi madutsidwe apamwamba kuposa workpiece, RWMA2 gulu kalasi elekitirodi ndi oyenera.Maelekitirodi achitsulo osakanizidwa (tungsten ndi molybdenum) ali ndi malo osungunuka kwambiri.Palibe chizolowezi chomamatira mkuwa wa beryllium.13 ndi 14 pole maelekitirodi amapezekanso.Ubwino wa zitsulo zotsutsa ndi moyo wawo wautali wautumiki.Komabe, chifukwa cha kuuma kwa ma alloys oterowo, kuwonongeka kwa pamwamba kungakhale kotheka.Ma electrode oziziritsidwa ndi madzi amathandizira kuwongolera kutentha kwa nsonga ndikutalikitsa moyo wa elekitirodi.Komabe, powotcherera zigawo zoonda kwambiri za mkuwa wa beryllium, kugwiritsa ntchito maelekitirodi oziziritsidwa ndi madzi kungachititse kuti chitsulocho chizimitsidwe.
Ngati kusiyana kwa makulidwe pakati pa mkuwa wa beryllium ndi aloyi yapamwamba ya resistivity ndi yayikulu kuposa 5, kuwotcherera kwa projekiti kuyenera kugwiritsidwa ntchito chifukwa chosowa mphamvu yogwiritsira ntchito matenthedwe.