Wadanne Abubuwan Kayayyakin Ya Kamata Masu Fasa Fadawa Thermal?

Baya ga biyan buƙatun aiki na sutura, dathermal fesa fodadole ne kuma ya dace da buƙatun tsarin feshin: ana iya jigilar shi zuwa cikin wutar jet ɗin daidai gwargwado, cikin kwanciyar hankali da kwanciyar hankali don tabbatar da kwanciyar hankali da daidaituwar yanayin feshin zafi.Saboda haka, ainihin halaye na foda kamar siffar, barbashi size da barbashi size rarraba, girma yawa, fluidity da surface quality, su ne muhimman aka gyara na wasan kwaikwayon na thermal fesa foda.

(1) Ilimin Halittu na abubuwan foda

Yawancin thermal spraying gami foda kayan an shirya ta atomization hanya, da kuma foda barbashi ilimin halittar jiki yafi nufin geometric siffar da surface halaye na foda barbashi.Za'a iya auna ma'aunin lissafi ta hanyar auna ma'auni na gajeriyar axis zuwa tsayin axis (ƙimar ƙididdiga) na barbashi mai siffar zobe.Mafi girma da spheroidization digiri, mafi kyau da m-jihar fluidity na foda.Tun da mataki na foda spheroidization ne ba kawai alaka da atomization foda milling hanya da atomization milling tsari sigogi, amma kuma ga sinadaran abun da ke ciki na foda kanta.Sabili da haka, matakin spheroidization na nau'ikan foda daban-daban shima ya bambanta, amma ya kamata a tabbatar da cewa tsarin feshin na iya zama santsi har ma da ciyar da foda.

A wasu lokuta akwai ramuka masu girma dabam a cikin nau'ikan foda na thermal spray da aka shirya ta hanyar atomization, wasu daga cikinsu suna shiga sama, wasu kuma a rufe su a cikin barbashi.Idan tsarin spraying bai dace ba, zai yi tasiri kai tsaye akan ingancin sutura.Don lura da irin waɗannan ramukan, yawanci ana amfani da microscope na ƙarfe na gani.Fasalolin saman suna nufin launin saman, santsi, da sauransu.

(2) Girman barbashi na foda

The selection of foda barbashi size da kewayon da aka yafi m ta spraying tsari hanya da spraying tsari takamaiman sigogi.Ko da foda barbashi size kewayon ne guda, da rabo daga cikin barbashi size sa abun da ke ciki ba dole ba ne guda.Alal misali: ko da yake foda barbashi size ne a cikin kewayon 125μm ~ 50μm (-120mesh ~ + 320mesh), da rabo daga powders na uku daban-daban barbashi size maki na 100μm ~ 125μm, 80μm ~ 100μm, 50μm ~ 80μm ba iri daya ba. .The foda barbashi size kewayon da barbashi size sa abun da ke ciki da kai tsaye tasiri a kan shafi ingancin, foda girma yawa da fluidity.

(3) Girman Yawan Foda

Yawan foda mai yawa yana nufin yawan adadin kowace raka'a na foda lokacin da aka cika shi da sauƙi.Tun da girma yawa na foda yana da alaka da spheroidization digiri na foda, girman da yawa daga cikin ramukan cikin foda barbashi, da kuma abun da ke ciki na foda barbashi size, shi ma yana rinjayar ingancin fesa shafi.

(4) Ruwan foda

Ruwa na foda shine lokacin da ake buƙata don ƙayyadadden adadin foda don gudana cikin yardar kaina ta hanyar madaidaicin mazurari tare da ƙayyadaddun buɗe ido.Yawancin lokaci ana nuna shi da lokacin (s) da ake buƙata don 50g foda don gudana ta hanyar madaidaicin mazurari tare da diamita na 2.5mm.Yana da wani tasiri a kan aiwatar da spraying da kuma spraying yadda ya dace.

Chengdu Huarui Industrial Co., Ltd. 

Email: sales.sup1@cdhrmetal.com 

Waya: + 86-28-86799441