Views: 0 Mutsari: Muhleri wa sayiti Ku kandziyisa nkarhi: 2021-10-14 Masungulo: Ndhawu
The surface polishing process of stainless steel welded pipes commonly includes stainless steel anodizing, stainless steel galvanizing, stainless steel chromium plating, stainless steel electroless nickel plating, but because stainless steel is in the production process, it is inevitably required to undergo annealing, normalizing, quenching, welding and other processes. Xiphemu xale henhla xitala ku humesa black oxide scale. Oxide scale ayi khumbi ntsena khwalithi ya xivumbeko xa stainless steel, kambe yitlhela yi khumba hindlela yo biha ku lulamisiwa loku landzelaka ka xitirhisiwa. Hikokwalaho, maendlelo ya vutshunguri bya le henhla yofana na pickling, passivation, na polishing yafanele kutirhisiwa ku ma susa eka pretreatment leyi landzelaka ya electroplating. Tanihi muendli wa xiphurofexinali wa muchini wo endla tiphayiphi, Hangao Tech (Michini ya Seko) . u tinyiketela ku tlhantlha xiphiqo xa muxavi. A hi languteni
swiphiqo mayelana na ku pholisha tiphayiphi ta nsimbi.
Ku pholisha loku tolovelekeke ku katsa ku pholisha michini, ku pholisha tikhemikhali ni ku pholisha tikhemikhali ta gezi. Batch finishing iku tirhisa abrasive eka polishing agent ku pholisha vuandlalo bya xiphemu ku olovisa xivumbeko naku fikelela polishing effect. Endzhaku ko pholisha, xivumbeko xa xivoni lexi nga na vuandlalo bya le henhla bya 0.4um kumbe ehansi xi nga kumiwa. Swiphemu leswi nga ni swivumbeko swo olova swi nga pholishiwa hi mavhilwa yo tiya yo pholisha kumbe mabandhi, naswona swiphemu leswi nga ni swivumbeko leswi rharhanganeke swi nga pholishiwa hi mavhilwa yo olova yo pholisha. Swiphemu leswikulu swa swiphemu leswintsongo swi khavisiwile hi swiphemu. Kuna tindlela tofana na roller rolling, vibrating machine vibrating light, centrifuge centrifugal light, na rotating light. Ku pholisha hi michini swina nhlayo yintsongo ya ku sila ehenhla ka misava, naswona swa tika ku pholisha swiphemu leswi nga riki kahle.
Hi nkarhi lowu, yi lava ku pholishiwa ka ha ri emahlweni, hi vhilwa ro pholisha na bandi ro pholisha leri tsakamisiweke hi paste yo pholisha yo sila, leyi avaneke hi ku sila hi ndlela yo biha, ku sila ka le xikarhi na ku sila kahle. Endzhaku ko sila kahle, ku khwaxa ka le henhla swinga fika eka 0.4um. Leswaku ku fikeleriwa swilaveko swin’wana, swofana na descaling, deburring, welding slag, matting, na swin’wana, vutshunguri byale henhla byofana na sandblasting, shot blasting, na ku brusha hi mavhilwa ya steel wire minkarhi yin’wana ya tirhisiwa. Vuandlalo lebyi pholishiweke hi mavhilwa ya tintambhu ta nsimbi leyi nga riki na swilo swi nga antswa swi papalata ku thyakisa nsimbi. Hi ku tekela enhlokweni xilaveko xo hambana eka digiri ya ku pholisha, hi na swihlawulekisi swo tala swa modele wo hambana, ku fana na . 8 Head Polishing Head Grinding Machine , 10 wa tinhloko, 16 wa tinhloko na 32 wa tinhloko, ta ti tubes ta xirhendzevutani na ti squire tubes. Ku pholisha hi tikhemikhali i ku nghenisa swiphemu eka ntlhantlho lowu faneleke, hikuva xitofu xi n’okisela swiphemu leswi rhendzelekaka swa le henhla hi ku hatlisa ku tlula swiphemu leswi nga ni xivumbeko xa concave, lerova vuandlalo byi ringanisiwa naswona xikongomelo xo pholisha xi fikeleriwa. Hiku angarhela, ku pholisha ti khemikhali swina vuswikoti byo biha byo pholisha naswona swinga antswisa ntsena ku vonakala hi nhlayo yitsongo. Kambe yi hlayisa ntirho naswona yi hlayisa nkarhi ku tlula ku pholisha hi michini, naswona yi nga pholisha vuandlalo bya le ndzeni bya swiphemu leswitsongo.
Sweswinyana, ku tlhele ku vikiwa leswaku vuandlalo bya 18-8 type austenitic stainless steel byi nga pholishiwa ku ya eka ku vonakala ka xivoni hi ku engetela ku vonakala. Kambe nyikela nyingiso eka tinhla leti landzelaka.
(1) Vuandlalo lebyi tirhaka byi endliwa endzhaku ka ku pholisha tikhemikhali, naswona xitirhisiwa lexi tirhaka xi fanele xi passivated ku tiyisisa ku lwisana na ku bola.
(2) Eka nhlayo leyikulu ya swiphemu leswintsongo swo fana na swikhomela-ndhawu na swikwirikiri, ku hlanganisiwa ka michini ku fanele ku tirhisiwa ku endla leswaku ku pholisha ku fana.
(3) Loko u pholisha swiphemu swa ndhawu leyikulu ya tipuleti leti hlanganisiweke ta nsimbi leyi nga riki na swilo swo bola ni swilo swin’wana, nyikela nyingiso lowukulu eku hlayiseni ka ndhawu leyi pholishiweke yi tsakamile, naswona yi fanele yi hlantswiwa hi ku helela endzhaku ko pholisha leswaku ku nga vi na ku vonakala loku nga ringaniki ka le henhla. Ku pholisha ka tikhemikhali ta gezi swi nga antswisa matirhelo ya swiphemu leswi vonakaka; ku antswisa ku lwisana na ku bola; ku hunguta ku tiya ka le henhla ka swiphemu leswi lulamisiweke; na ku hunguta friction coefficient hikokwalaho ka kuhunguteka ka surface roughness. Electrochemical polishing yinga tlhela yitirhisiwa ku susa ti burrs na swin’wana.
Loko ku pimanyisiwa na ku pholisha hi michini, ku pholisha ka electrochemical kuna swihlawulekisi leswi landzelaka.
(1) Ku pholisha hi michini swi ta humesa leyara leyi nonon’hwaka ya le henhla na ku katsa ka abrasive, leswi nga ta hunguta ku tiya ka ku bola ka nsimbi leyi nga riki na swilo swo bola, kasi ku pholisha ka electrochemical ku ta humesa xivumbeko xa passivated na ku engetela ku lwisana na ku bola ka nsimbi leyi nga riki na swilo swo bola.
(2) Electrochemical polishing yina swilaveko swokarhi swa substrate. Hi xikombiso, loko xivumbeko xa nsimbi xi nga fani, xi ta humesa xivumbeko lexi nga ringaniki lexi pholishiweke, naswona swirhumbana leswi dzikeke a swi nge pholishiwi. Ku pholisha hi michini swina swilaveko swale hansi swinene eka substrate.
(3) Eka swiphemu leswi nga ni swivumbeko leswi rharhanganeke, tintambhu, tipuleti to tontswa ni swiphemu leswitsongo, ku pholisha tikhemikhali ta gezi swa olova swinene ku tlula ku pholisha hi michini.
(4) Ku tirha kahle ka vuhumelerisi bya tikhemikhali ta gezi ku le henhla ku tlula ka ku pholisha hi michini, kambe swilo leswikulu leswi tirhaka a swi nge vekiwi eka thangi ro pholisha naswona swi lava current leyikulu ngopfu-ngopfu, leswi endlaka leswaku swi tika ku endla ku pholisha ka electrochemical.
(5) Ku tsindziyela ka current ya le henhla ka xitirhisiwa xo tirha lexi pholishiweke hi electrochemically xi fanele ku fana, naswona loko swi laveka, ku laveka cathode ya pictograph, handle ka sweswo ku vonakala ka le henhla ku ta va ku nga ringani.
(6) Current yikulu swinene hi nkarhi wa electrochemical polishing, naswona fixture na workpiece swifanele kuva na ndzhawu leyikulu yo khumbana na contact ya kahle, handle ka sweswo local overheating ya ndzhawu yita hisa workpiece.
(7) Maendlelo man’wana yo pholisha lama tirhisiwaka eka nsimbi leyi nga riki na swilo ya austenitic a ma nge tirhisiwi ku pholisha nsimbi leyi nga riki na swilo ya martensitic, leyi talaka ku va ni ku rhurhumela.