Kodi kuuma koyenera kwambiri kwa beryllium bronze ndikokwanira bwanji
Nthawi zambiri, kuuma kwa beryllium mkuwa sikunatchulidwe mosamalitsa, chifukwa pambuyo pa beryllium mkuwa wokhazikika ndi chithandizo chokalamba, nthawi zonse, padzakhala mpweya wokhazikika wa gawo lolimba kwa nthawi yayitali, kotero tidzapeza kuti beryllium mkuwa ukuwonjezeka. ndi nthawi.Chodabwitsa kuti kuuma kwake kumawonjezekanso ndi nthawi.Kuonjezera apo, zinthu zotanuka zimakhala zowonda kwambiri kapena zowonda kwambiri, ndipo zimakhala zovuta kuyeza kuuma, kotero kuti zambiri zimayendetsedwa ndi zofunikira za ndondomeko.M'munsimu muli zina zomwe munganene.

Chithandizo cha kutentha kwa Beryllium bronze

Beryllium bronze ndi njira yosinthira kwambiri yamvula yowumitsa aloyi.Pambuyo pa chithandizo ndi kukalamba, mphamvu imatha kufika 1250-1500MPa (1250-1500kg).Mawonekedwe ake ochizira kutentha ndi awa: pambuyo pa chithandizo chamankhwala, amakhala ndi pulasitiki wabwino ndipo amatha kupunduka chifukwa chozizira.Komabe, pambuyo pa chithandizo chaukalamba, chimakhala ndi malire abwino kwambiri otanuka, ndipo kuuma ndi mphamvu zimasinthidwanso.

(1) Chithandizo cha beryllium bronze

Nthawi zambiri, kutentha kwa kutentha kwa yankho kumakhala pakati pa 780-820 ° C.Pazinthu zomwe zimagwiritsidwa ntchito ngati zinthu zotanuka, 760-780 ° C imagwiritsidwa ntchito, makamaka kuteteza njere zolimba kuti zisakhudze mphamvu.Kutentha kofanana kwa ng'anjo yochizira yankho kuyenera kuyendetsedwa mosamalitsa mkati mwa ± 5 ℃.Nthawi yogwira imatha kuwerengedwa ngati 1 ora/25mm.Pamene mkuwa wa beryllium umakhala ndi njira yothetsera kutentha mu mpweya kapena mpweya wotsekemera, filimu ya oxide idzapangidwa pamwamba.Ngakhale kuti ali ndi zotsatira zochepa pa makina katundu pambuyo ukalamba kulimbikitsa, izo zimakhudza moyo utumiki wa chida pa ntchito ozizira.Pofuna kupewa makutidwe ndi okosijeni, ayenera kutenthedwa mu ng'anjo yowonongeka kapena kuwonongeka kwa ammonia, mpweya wa mpweya, kuchepetsa mpweya (monga hydrogen, carbon monoxide, etc.), kuti mupeze chithandizo cha kutentha.Komanso, chidwi ayenera kulipidwa kufupikitsa kutengerapo nthawi mmene ndingathere (mu nkhani iyi quenching), mwinamwake izo zidzakhudza mawotchi katundu pambuyo ukalamba.Zida zoonda zisapitirire masekondi atatu, ndipo mbali zonse zisapitirire masekondi asanu.Sing'anga yozimitsa nthawi zambiri imagwiritsa ntchito madzi (palibe zofunikira zotenthetsera), zowona, magawo okhala ndi mawonekedwe ovuta amathanso kugwiritsa ntchito mafuta kuti apewe kupunduka.

(2) Chithandizo chokalamba cha beryllium bronze

Kutentha kokalamba kwa beryllium bronze kumagwirizana ndi zomwe zili mu Be, ndipo ma alloys onse okhala ndi zosakwana 2.1% za Bery ayenera kukhala okalamba.Kwa ma alloys okhala ndi Khalani wamkulu kuposa 1.7%, kutentha koyenera kukalamba ndi 300-330 ° C, ndipo nthawi yogwira ndi maola 1-3 (malingana ndi mawonekedwe ndi makulidwe a gawolo).High conductivity elekitirodi aloyi ndi Khalani zosakwana 0.5%, chifukwa cha kuwonjezeka kwa malo osungunuka, mulingo woyenera kwambiri kutentha kutentha ndi 450-480 ℃, ndi kugwira nthawi ndi 1-3 maola.M'zaka zaposachedwa, kukalamba kwapawiri komanso kwanthawi yayitali kwapangidwanso, ndiko kuti, kukalamba kwakanthawi kochepa pa kutentha kwakukulu, kenako kukalamba kwanthawi yayitali pa kutentha kochepa.Ubwino wa izi ndikuti magwiridwe antchito amawongolera koma kuchuluka kwa ma deformation kumachepetsedwa.Pofuna kuwongolera kulondola kwa mkuwa wa beryllium ukakalamba, clamp clamping itha kugwiritsidwa ntchito kukalamba, ndipo nthawi zina njira ziwiri zochiritsira zokalamba zitha kugwiritsidwa ntchito.

(3) Chithandizo cha kupsinjika kwa beryllium bronze

Beryllium bronze stress relief annealing kutentha ndi 150-200 ℃, kugwira nthawi ndi maola 1-1.5, omwe angagwiritsidwe ntchito kuthetsa nkhawa yotsalira chifukwa cha kudula zitsulo, kuwongola, kupanga kuzizira, etc., ndikukhazikitsa mawonekedwe ndi kulondola kwa magawo. pakugwiritsa ntchito nthawi yayitali .

Beryllium bronze iyenera kutenthedwa mpaka madigiri 30 a HRC.Kodi ziyenera kuchitidwa bwanji?
Beryllium Bronze

Pali magiredi ambiri, ndipo kutentha kwa ukalamba ndi kosiyana.Sindine katswiri wopanga zamkuwa wa beryllium, ndipo sindimadziwa bwino.Ndinayang'ana bukhuli.

1. Kutentha kwazitsulo zamkuwa zamphamvu kwambiri za beryllium ndi 760-800 ℃, ndipo kutentha kwapamwamba kwa conductivity beryllium-copper ndi 900-955 ℃.Gawo laling'ono ndi lochepa thupi limasungidwa kwa mphindi 2, ndipo gawo lalikulu siliyenera kupitirira mphindi 30.Kuthamanga kwachangu ndikosavuta komanso kofulumira.pang'onopang'ono,

2. Ndiye kuchita quenching, kutengerapo nthawi ayenera yochepa, ndi kuzirala liwiro ayenera kukhala mofulumira kupewa mpweya wa kulimbikitsa gawo ndi zimakhudza wotsatira ukalamba kulimbikitsa mankhwala.

3. Chithandizo cha ukalamba, kutentha kwa ukalamba wa beryllium mkuwa wamphamvu kwambiri ndi 260-400 ℃, ndi kusunga kutentha ndi mphindi 10-240, ndi kutentha kwa ukalamba wa beryllium mkuwa ndi 425-565 ℃, ndi nthawi yogwira. ndi mphindi 30-40;Pakapita nthawi, zoyambazo zimatha kukonzedwa, pomwe zomaliza sizingathetsedwe.Ndikofunikira kuyambiranso kuchokera ku njira yolimba kachiwiri.

Kutentha komwe mwatchulako kukufewa kuposa kutentha kokalamba, sichoncho?Choncho, choyambirira cholimba yankho zotsatira zawonongedwa.Sindikudziwa kuti kutentha kwake kuli kotani.Ndiye ingoyambani kuchokera ku njira yolimba kachiwiri.Chofunikira ndichakuti muyenera kudziwa mtundu wa mkuwa wa beryllium, njira yolimba komanso kukalamba kwa mkuwa wosiyanasiyana wa beryllium akadali wosiyana, kapena funsani wopanga zinthuzo momwe mungachitire molondola kutentha kwamankhwala.

Kodi kutentha mankhwala a chikopa mkuwa
Mkuwa wachikopa?Iyenera kukhala mkuwa wa beryllium, sichoncho?Kulimbitsa kutentha kwa beryllium bronze nthawi zambiri kumakhala njira yothetsera + kukalamba.Chithandizo chamankhwala chimasiyanasiyana malinga ndi mkuwa wa beryllium komanso zofunikira zenizeni za gawolo.Nthawi zonse, kutentha kwa 800 ~ 830 madigiri amagwiritsidwa ntchito.Ngati imagwiritsidwa ntchito ngati chinthu chotanuka, kutentha kwa kutentha ndi 760 ~ 780.Malingana ndi makulidwe ogwira mtima a zigawozo, nthawi yotentha ndi yogwira imakhalanso yosiyana.Vuto lenilenilo limawunikidwa mwatsatanetsatane, nthawi zambiri mphindi 8-25.Kutentha kwa ukalamba nthawi zambiri kumakhala pafupifupi 320. Mofananamo, zofunikira zenizeni zimasiyana malinga ndi makina a ziwalozo.Nthawi yokalamba ndi maola 1 mpaka 2 pazigawo zolimba komanso zolimba, ndi maola 2 mpaka 3 pamagawo okhala ndi elasticity.Ola.

Njira yeniyeni iyenera kusinthidwa molingana ndi magawo osiyanasiyana a mkuwa wa beryllium, mawonekedwe ndi kukula kwa zigawozo, komanso zofunikira zomaliza zamakina.Komanso, Kutentha kwa beryllium mkuwa ayenera kugwiritsa ntchito zoteteza mpweya kapena vakuyumu kutentha mankhwala.Miyezo yodzitchinjiriza yomwe imagwiritsidwa ntchito nthawi zambiri imaphatikizapo nthunzi, ammonia, haidrojeni kapena makala, kutengera momwe tsamba lanu lilili.
Kodi kutentha kwa mkuwa wa beryllium kumathandizidwa bwanji?
Beryllium Copper ndi njira yosinthira kwambiri mvula yowumitsa alloy.Pambuyo pa chithandizo ndi kukalamba, mphamvu imatha kufika 1250-1500MPa.Mawonekedwe ake ochizira kutentha ndi awa: pambuyo pa chithandizo chamankhwala, amakhala ndi pulasitiki wabwino ndipo amatha kupunduka chifukwa chozizira.Komabe, pambuyo pa chithandizo chaukalamba, chimakhala ndi malire abwino kwambiri otanuka, ndipo kuuma ndi mphamvu zimasinthidwanso.

The kutentha mankhwala beryllium mkuwa akhoza kugawidwa mu annealing mankhwala, njira yothetsera ndi ukalamba mankhwala pambuyo mankhwala.

Kubwezera (kubwerera) chithandizo chamoto kumagawidwa mu:

(1) Kufewetsa kwapakatikati, komwe kungagwiritsidwe ntchito ngati njira yochepetsera pakati pakukonza.

(2) Kutentha kokhazikika kumagwiritsidwa ntchito kuthetsa kupsinjika kwa makina komwe kumapangidwa panthawi ya akasupe olondola komanso kuwongolera, ndikukhazikitsa miyeso yakunja.

(3) Kuchepetsa kupsinjika kumagwiritsidwa ntchito kuthetsa kupsinjika kwamakina komwe kumapangidwa pakumakina ndi kukonza.

Chithandizo cha Kutentha kwa Beryllium Bronze mu Tekinoloji Yochizira Kutentha
Beryllium bronze ndi njira yosinthira kwambiri yamvula yowumitsa aloyi.Pambuyo pa chithandizo ndi kukalamba, mphamvu imatha kufika 1250-1500MPa (1250-1500kg).Mawonekedwe ake ochizira kutentha ndi awa: pambuyo pa chithandizo chamankhwala, amakhala ndi pulasitiki wabwino ndipo amatha kupunduka chifukwa chozizira.Komabe, pambuyo pa chithandizo chaukalamba, chimakhala ndi malire abwino kwambiri otanuka, ndipo kuuma ndi mphamvu zimasinthidwanso.

1. Njira yothetsera mankhwala a beryllium bronze

Nthawi zambiri, kutentha kwa kutentha kwa yankho kumakhala pakati pa 780-820 ° C.Pazinthu zomwe zimagwiritsidwa ntchito ngati zotanuka, 760-780 ° C imagwiritsidwa ntchito, makamaka kuteteza njere zolimba kuti zisakhudze mphamvu.Kutentha kofanana kwa ng'anjo yochizira yankho kuyenera kuyendetsedwa mosamalitsa mkati mwa ± 5 ℃.Nthawi yogwira imatha kuwerengedwa ngati 1 ora/25mm.Pamene mkuwa wa beryllium umakhala ndi njira yothetsera kutentha mu mpweya kapena mpweya wotsekemera, filimu ya oxide idzapangidwa pamwamba.Ngakhale kuti ali ndi zotsatira zochepa pa makina katundu pambuyo ukalamba kulimbikitsa, izo zimakhudza moyo utumiki wa chida pa ntchito ozizira.Pofuna kupewa makutidwe ndi okosijeni, ayenera kutenthedwa mu ng'anjo yowonongeka kapena kuwonongeka kwa ammonia, mpweya wa mpweya, kuchepetsa mpweya (monga hydrogen, carbon monoxide, etc.), kuti mupeze chithandizo cha kutentha.Komanso, chidwi ayenera kulipidwa kufupikitsa kutengerapo nthawi mmene ndingathere (mu nkhani iyi quenching), mwinamwake izo zidzakhudza mawotchi katundu pambuyo ukalamba.Zida zoonda zisapitirire masekondi atatu, ndipo mbali zonse zisapitirire masekondi asanu.Sing'anga yozimitsa nthawi zambiri imagwiritsa ntchito madzi (palibe zofunikira zotenthetsera), zowona, magawo okhala ndi mawonekedwe ovuta amathanso kugwiritsa ntchito mafuta kuti apewe kupunduka.

2. Kukalamba mankhwala a beryllium mkuwa

Kutentha kokalamba kwa beryllium bronze kumagwirizana ndi zomwe zili mu Be, ndipo ma alloys onse okhala ndi zosakwana 2.1% za Bery ayenera kukhala okalamba.Kwa ma alloys okhala ndi Khalani wamkulu kuposa 1.7%, kutentha koyenera kukalamba ndi 300-330 ° C, ndipo nthawi yogwira ndi maola 1-3 (malingana ndi mawonekedwe ndi makulidwe a gawolo).High conductivity elekitirodi aloyi ndi Khalani zosakwana 0.5%, chifukwa cha kuwonjezeka kwa malo osungunuka, mulingo woyenera kwambiri kutentha kutentha ndi 450-480 ℃, ndi kugwira nthawi ndi 1-3 maola.M'zaka zaposachedwa, kukalamba kwapawiri komanso kwanthawi yayitali kwapangidwanso, ndiko kuti, kukalamba kwakanthawi kochepa pa kutentha kwakukulu, kenako kukalamba kwanthawi yayitali pa kutentha kochepa.Ubwino wa izi ndikuti magwiridwe antchito amawongolera koma kuchuluka kwa ma deformation kumachepetsedwa.Pofuna kuwongolera kulondola kwa mkuwa wa beryllium ukakalamba, clamp clamping itha kugwiritsidwa ntchito kukalamba, ndipo nthawi zina njira ziwiri zochiritsira zokalamba zitha kugwiritsidwa ntchito.

3. Chithandizo cha kupsinjika kwa beryllium bronze

Beryllium bronze stress relief annealing kutentha ndi 150-200 ℃, kugwira nthawi ndi maola 1-1.5, omwe angagwiritsidwe ntchito kuthetsa nkhawa yotsalira chifukwa cha kudula zitsulo, kuwongola, kupanga kuzizira, etc., ndikukhazikitsa mawonekedwe ndi kulondola kwa magawo. pakugwiritsa ntchito nthawi yayitali .