Plastic molding hi engineering technology a ni a, plastic chu plastic product-a chantirna tur process hrang hrang a hmang a ni. He inthlak danglamna chhung hian a hnuaia thil pakhat emaw a aia tam emaw hi a thleng fo thin: polymer rheology leh physical leh chemical property inthlak danglamna.
Compression Molding hmanga siam a ni
Compression molding atana hmanraw ber chu press leh mold a ni. Press hman tlanglawn ber chu self-contained hydraulic press a ni a, tonnage hi ton sawm atanga za tam thleng a ni. Bottom-pressure press leh top-pressure press a awm bawk. Compression molding atana hman tur mold chu compression mold an ti a, chu chu chi thum-ah then a ni a, chungte chu overflow mold, semi-overflow mold, leh non-overflow mold te an ni. Compression molding thatna ber chu product flat surface lian tak tak a mold thei a, tam tak a siam thei bawk. A that lohna chu production cycle rei tak leh efficiency hniam vang a ni.
Injection hmanga siam a ni
Lamination molding ah hian lamination press hman a ni tlangpui. Hetiang press hian moving leh stationary pressure plate inkarah hian floating hot press plate tam tak a nei a. Lamination molding-a reinforcing material hman tlanglawn tak takte chu cotton puan, glass puan, lehkha, leh asbestos puan te hi a ni. Resins ah hian phenolic resins, epoxy resins, unsaturated polyester resins, leh thermoplastic resins thenkhat te pawh a tel. Injection blow molding, extrusion blow molding, stretch blow molding, film coating, hot melt coating, fluidized bed spraying, flame spraying, electrostatic spraying, plasma spraying te a awm bawk.
Extrusion hmanga siam a ni
Extrusion molding, extrusion molding emaw extrusion tia hriat bawk hi extruder-a tihlum leh pressure hmanga die hmanga thil siam chhuah chhunzawm zel dan a ni. Extrusion hi thermoplastics molding atan hman a ni ber a, mahse thermosetting plastic thenkhat tan pawh hman theih a ni. Extruded products chu continuous profile a ni a, chu chu pipe, rod, filaments, film, leh wire leh cable sheathing te hi a ni. Tin, plastic mixing atan te, plasticizing granulation atan te, coloring atan te, leh blending atan te hman theih a ni bawk. Extrusion molding machine ah hian extrusion hmanrua, transmission mechanism, leh heating leh cooling system te a awm a. Extruder hi chi hnih a awm a, screw type (single screw leh multi-screw) leh plunger type te an ni. A hmasa zawk hi continuous extrusion process a ni a, a hnuhnung zawk hi intermittent a ni thung. Single-screw extruder structure bulpui ber chu transmission device, feeding device, barrel, screw, die head, leh die te a ni. Extruder-te tana auxiliary equipment hi chi thum-ah then a ni a, chungte chu material pretreatment hmanrua (material conveying leh drying ang chi), extrudate processing hmanrua (shaping, cooling, traction, cutting, or rolling), leh production condition control hmanrua te an ni.
Pultrusion hmanga siam a ni
Pultrusion hi fiber-reinforced plastic thermosetting atana molding method pakhat a ni. Cross-sectional shape fixed leh sei zawng bituk nei profile siam nan hman a ni. Moulding process-ah hian resin-a impregnated fibers continuous te chu heated die hmangin drawing a ni a, chutah chuan heating chamber-ah resin chu curing lehin unidirectional high-strength continuously reinforced plastic profile siam a ni.
Pultrusion molding atana hman tlanglawn ber resins te chu unsaturated polyester, epoxy, leh silicone te an ni. Unsaturated polyester resin hi hman lar ber a ni. Pultrusion molding machine hi a tlangpuiin fiber arrangement device, resin tank, preforming device, die leh heating device, traction device, leh cutting hmanrua te a ni.
