Parallel twin screw mbiya ya PVC chitoliro ndi mbiri
1.Kuuma pambuyo kuumitsa ndi kutentha: HB280-320.
2.Nitrided Kuuma: HV920-1000.
3.Nitrided nkhani kuya: 0.50-0.80mm.
4.Nitrided brittleness: zosakwana giredi 2.
5.Kukula kwapamtunda: Ra 0.4.
6.Kuwongoka kwa screw: 0.015 mm.
7.Kulimba kwa chromium-plating pambuyo pa nitriding: ≥900HV.
8.Chromium-plating kuya: 0.025 ~ 0.10 mm.
9.Aloyi Kuuma: HRC50-65.
10.Kuya kwa aloyi: 0.8 ~ 2.0 mm.
Flat twin screw mbiya zimagwira ntchito yofunika kwambiri popanga mapaipi a PVC ndi mbiri. Ntchito zake m'magawo awiriwa zalembedwa pansipa: Pulasitiki ndi kusakaniza kwa zinthu: Mtsuko wa screw umasungunuka ndikusakaniza utomoni wa PVC ndi zowonjezera zina kudzera pa screw yozungulira ndi malo otentha. Izi zimapangitsa kuti zinthu za PVC zikhale zofewa komanso zosavuta kuzikonza ndikuzipanga. Kumangirira kowonjezera: Pansi pa mbiya ya screw, zinthu zosungunula za PVC zimatulutsidwa kudzera mufa kuti apange tubular kapena mawonekedwe owoneka ngati mbiri.
Mapangidwe ndi kusintha kwa screw mbiya kumathandizira kupanga mapaipi ndi mbiri yamitundu ndi makulidwe osiyanasiyana. Kuziziritsa ndi kulimbitsa: Pambuyo pa extrusion, chitoliro kapena mbiriyo imazizira mofulumira kudzera m'dongosolo lozizirira kuti likhale lolimba ndi kusunga mawonekedwe ake. Kudula ndi Kudula: Gwiritsani ntchito zida monga makina odulira ndi makina odulira kuti musinthe kukula ndikumaliza ntchito yotulutsa mapaipi ndi mbiri. Mwachidule, lathyathyathya amapasa mbiya mbiya imagwira ntchito yofunika kwambiri popanga mipope PVC ndi mbiri, kuzindikira plasticization, kusanganikirana, akamaumba extrusion ndi wotsatira processing wa zipangizo, kuonetsetsa khalidwe ndi ntchito yomaliza mankhwala.
