3 Nga mea Me mohio koe mo te PDC Brazing
3 Nga mea Me mohio koe mo te PDC Brazing
Ko nga kaitapahi PDC ka parai ki te rino, ki te tinana matrix ranei o te moka drill PDC. E ai ki te tikanga whakawera, ka taea te wehewehe i te tikanga whakawera ki te mura ahi, te whakakoi i te ahi, te honohono o te whakamaaramatanga, te whakahiatotanga teitei-auau, te raima laser, me etahi atu. I tenei ra e hiahia ana matou ki te korero mo te PDC mura ahi.
He aha te mura ahi?
Ko te mura o te mura he tikanga weriweri e whakamahi ana i te mura o te mura o te hau mo te whakamahana. Ko te tukanga matua o te mura ahi ko te maimoatanga i mua i te weld, te whakamahana, te whakamahana wera, te whakamahana, te maimoatanga i muri i te weld, etc.
He aha te tukanga o te mura mura PDC?
1. Pre-weld maimoatanga
(1) Sandblast me te horoi i te kaitapahi PDC me te tinana moka drill PDC. Ko te kaitapahi PDC me te moka drill kaua e pokea ki te hinu.
(2) whakareri te konupuku me te rere. Ka whakamahia e matou te 40% ~ 45% te raima hiriwa mo te PDC brazing. Ka whakamahia te rere ki te aukati i te hāoratanga i te wa o te parai.
2. Te whakamahana me te tiaki wera
(1) Whakawerahia te tinana moka drill PDC ki te oumu auau takawaenga ki te 530 ℃.
(2) Whai muri i te whakamahana, whakamahia te pu mura hei whakamahana i te tinana moka me te kaitapahi PDC. Ka hiahia matou kia rua nga pu mura, kotahi mo te whakamahana i te tinana moka drill me tetahi mo te whakamahana i te kaitapahi PDC.
(3) Whakamotitia te konuhono ki te waahi PDC ka whakamahana kia rewa ra ano te konohono. Kuhua te PDC ki roto i te kohao concave, whakamahana tonu i te tinana moka drill kia rewa ra ano te konuhono, ka rere, ka puhake, ka ata hikoi me te huri i te PDC i te wa e mahi ana. Hoatuhia te rere ki te waahi e hiahia ana te kaitapahi PDC ki te parai hei aukati i te waikura.
3. Te whakamatao me te maimoatanga i muri i te weld
(1). Whai muri i te whakamataonga o nga kaitapahi PDC, kuhua te moka wiri PDC ki roto i te waahi whakamahana wera i te waa, ka ata whakamatao i te mahana o te moka wiri.
(2) I muri i te whakamatao i te moka drill ki te 50-60°, ka taea e tatou te tango i te moka drill, sandblast me te whakakorikori. Āta tirohia mēnā ka paiherea te wāhi whakapiri PDC, ā, kua pakaru te PDC.
He aha te wera wera?
Ko te pāmahana kore o te paparanga taimana polycrystalline ko a tawhio noa 700 ° C, na me whakahaere te pāmahana o te apa taimana i raro i 700 ° C i roto i te tukanga fehokotaki'anga, te tikanga 630 ~ 650 ℃.
Mena kei te pirangi koe ki nga rakau tungsten carbide me te hiahia ki etahi atu korero me nga korero taipitopito, ka taea e koe te WHAKAPAKI ki a matou ma te waea, ma te mēra ranei i te taha maui, ka tuku mai ranei i a matou he MAIL kei raro o te wharangi.