Sekoti se ka kopana joang le khanyetso ea ho apara le litlhoko tsa ts'ebetso e nepahetseng haholo?

Tšimong ea extrusion polasetiki le ente molding, theSekurufu se le sengke karolo ea mantlha ea matla a mohala oohle oa tlhahiso. E hlophisitsoe hantle ebile e entsoe ka nepo, ha e khetholle feela botsitso ba thepa e fetisang le boleng ba polasetiki, empa hape e ama ka kotloloho ho nepahala ha lihlahisoa tse felileng le tsoelopele ea tlhahiso. Ha re shebane le lisebelisoa tse rarahaneng tse nang le fiber ea khalase, calcium carbonate, li-filler tsa liminerale le li-additives tse senyang, ho boloka khanyetso e ntle ea ho apara le ho nepahala ha ts'ebetso e tsitsitseng bakeng sa karolo ena ea bohlokoa tlas'a mojaro o phahameng oa nako e telele, likhohlano tse phahameng le mocheso o phahameng e se e le taba ea tekheniki ho batsamaisi ba lisebelisoa le baenjiniere ba ts'ebetso.

Ho Apara le ho Corrosion: Lisosa tsa mantlha tse Thehiloeng ho Lintlha tsa Tlhahiso

Lintlha tse lebisang ho ho hloleha ha sefahleho sa screw pele ho nako li amana ka kotloloho le litšobotsi tsa lisebelisoa tse sebetsitsoeng. Lisebelisoa tse fapaneng li hlahisa mekhoa e fapaneng ea ho senya hoScrew e le 'Ngoe,e hlokang litharollo tse lebisitsoeng tsa tšireletso. Tafole e ka tlase e akaretsa mefuta e meraro e tloaelehileng ea tšenyo ea thepa le litlamorao tsa eona:

Tlhahisong ea 'nete, ts'ebetso ea abrasive le corrosion ea lik'hemik'hale hangata lia fapanyetsana, e leng ho eketsang ho potlakisa ho senyeha ha screw. Ka hona, sistimi e felletseng ea ts'ireletso e tlameha ho hahuoa ho tsoa likarolong tse tharo: thepa, kalafo ea mocheso le boenjiniere ba bokaholimo.

Litsela tsa Bohlokoa tsa Tekheniki tsa ho Ntlafatsa ho hanyetsa le ho nepahala ha Rhoe

Mekhoa ea Motheo: Tšireletso e hlophisitsoeng ho tloha ho Base Material Treatment ho ea ho Hardfacing Coating

Ho fihlela ho hanyetsa ho apara ho phahameng le ho nepahala ho phahameng, baetsi ba litsebi ba atisa ho sebelisa mokhoa o latelang oa mehato:

• Base material quenching le tempering- Sebelisa tšepe e kopantsoeng ea 38CrMoAlA, etsa ho tima le mocheso o phahameng oa mocheso ho fumana sebopeho sa sorbite se ts'oanang, ho tlosa khatello ea maikutlo le ho fana ka matla a mantlha.
• Ho sila ka nepo- Sebelisa li-cylindrical tse nepahetseng haholo le likhoele tsa CNC ho netefatsa hore profaele ea sefofane e nepahetse. Ho otloloha, ho mamellana ha molumo oa lentsoe, le ho ba mahoashe holimo aScrew e le 'Ngoeli laoloa ho ea boemong ba micron, ho fokotsa ho phalla ha morao le likhohlano tsa sebakeng seo.
• Nitriding e holimo- Sebelisa khase kapa ion nitriding ho etsa lesela le lesoeu la 0.3–0.6 mm holim'a sekoti, ho fihlela ho thatafala ha bokaholimo ba HV900–1100, ho ntlafatsa haholo ts'ebetso ea ho sesa ha abrasive ha u ntse u boloka ho tiea ha mantlha.
• Ho roala ka electroplating kapa electroless plating- Bakeng sa lisebelisoa tse senyang haholo (mohlala, PVC, fluoroplastics), eketsa chromium e thata kapa electroless nickel layer holim'a lesela le nang le nitrided ho tiisa li-pores le ho matlafatsa ho hanyetsa ha kutu, ha o ntse o fokotsa ho khomarela ha ho qhibiliha.
• Ho tjheseletsa ha li-alloy spray (PTA kapa laser cladding)- Bakeng sa lisebelisoa tse senyang haholo tse kang fiber ea khalase, calcium carbonate, kapa lisebelisoa tse tsosolositsoeng, sebelisa motsoako oa nickel-based kapa cobalt ho malebela a sefofane, ho fihlela boima ho feta HRC60. Sebopeho sena se kopantsoeng se lumella screw ho boloka matla a polasetiki a tsitsitseng le sebaka se nepahetseng ka tlas'a extrusion ea lebelo le phahameng le tikoloho e senyang.

Precision Machining le Ts'ebetso ea Ts'ebetso: Ho netefatsa hore Plasticizing e Uniform le ho tsitsa ha Sehlahisoa

Ho nepahala ho phahameng ha se feela ka mamello ea sekoti, empa hape le mabapi le ho laola sebaka se pakeng tsa bophara ba sefofane sa screw ka ntle le lebota le kahare la moqomo. Boiphihlelo bo bontša hore ho laola ho hlaka pakeng tsa aScrew e le 'Ngoe 'me barrel ka hare ho 0.10-0.20 mm (ho itšetlehile ka bophara) e fokotsa haholo ho lutla ho qhibiliha le ho eketsa tlhahiso e itseng. Ho feta moo, li-parameter tse ntlafalitsoeng tsa geometri (karolelano ea compression, karo-karolelano ea L/D) e tsamaellanang le lihlahla tsa phepelo ea moqomo oa grooved li ka fihlela polasetiki e phahameng ea ho kuta ka lebelo le tlase, ho fokotsa mocheso oa ho qhibiliha ka hoo e ka bang 10 ° C, ka hona ho ntlafatsa boleng ba sehlahisoa le botsitso ba sebopeho.

Kakaretso ea Litharollo Bakeng sa Maemo a Tšebetso a Mathata

Bakeng sa lisebelisoa tse khethehileng tse kang wood-plastic composite (WPC), lipolasetiki tsa boenjiniere tse tlatsitsoeng haholo, le lisebelisoa tse nchafalitsoeng, bahlahisi ba etelletseng pele ba tlohile ho tloha tšebetsong e bonolo ho ea ho lits'ebeletso tse kopaneng tsa tekheniki tse koahelang "khetho ea thepa - moralo oa ts'ebetso - ka mor'a kalafo".

Mohlala, bakeng sa nylon e matlafalitsoeng e nang le fiber ea khalase e fetang 30%, screw e ka etsoa ka molumo o fapaneng le botebo bo fapaneng ba kanale, ka liphetoho tse chitja motsong oa sefofane ho fokotsa khatello ea maikutlo. Ha e kopantsoe le li-welding tse peli tsa alloy spray le polishing ea seipone (bokhopo bo holimo Ra ≤ 0.05 μm), sena se fokotsa kotsi ea depositi ea khabone mme se thusa ho hloekisa.

Qetello: Boleng ba Nako e Telele ea ho Tsetela ho Screw ea Ts'ebetso e Phahameng

Ka kakaretso, aScrew e le 'Ngoee entsoeng ka moralo o nepahetseng le liphekolo tse ngata tse sirelletsang ha e atolose bophelo ba eona ba ts'ebeletso feela, empa hape e ntlafatsa ts'ebetso ea matla a extrusion le ente, e fokotsa khafetsa ea tlhokomelo, le ho netefatsa boleng ba boleng ba sehlahisoa. Ha lik'hamphani tse sebetsanang le polasetiki li khetha moetsi joalokaZhoushan Nanhaiya Plastic Machinery Co., Ltd.- e nang le ketane e felletseng ea ts'ebetso, lisebelisoa tsa machining tse nepahetseng, le boiphihlelo bo bongata ba indasteri - ba fumana tiisetso ea tekheniki e le 'ngoe ho tloha ho sekoti, kalafo ea mocheso ho isa holim'a metsi, ba rala motheo o tiileng bakeng sa tlhahiso e tsitsitseng ea nako e telele.