Plastic sheet hpe, dai ni na aten na hpaga lam hte gawgap ai lam hta ahkyak ai npawt nhpang arung arai langai hku nna, shinggyin da ai, nta gawgap ai lam hpe mawn sumli ai, ndau shabra ai lam ni hpe madun dan ai, chemical n-gun n rawng ai makawp maga ai lam ni hte kaga field ni hta grai lang ma ai. Shi a hkrang shapraw ai lam a quality gaw, laika man a bungli galaw ai lam, kaja ai lam, galaw shapraw ai manu hpe hkrak hkra machyi shangun ai. Polymer arung arai ni a hpaji masa hte galaw shapraw ai hpaji masa ni matut manoi rawt jat wa ai hte maren, plastic sheet hpaw ai ladat ni gaw grau grau law wa nga ai, ladat langai hte langai gaw, n-gun atsam, hkrak ai lam, jai lang mai ai lam ni hta grai shai hkat ai lam ni hpe madun dan nga ai. Ndai laika hta madung plastic sheet hpe hkrang shapraw ai lam ni hpe hkrang shapraw nna, shanhte a hpaji masa hte jai lang ai lam ni hpe sawk sagawn ai, hpaga lam hpaji masa rawt jat galu kaba wa ai lam ni hpe bawngban ai.
I. Plastic hte ka da ai ladat ni hpe maram masam ai laika buk ni
Plastic sheet byin pru wa ai hta, plastic raw arung arai ni (gnules, powder, shing nrai, liquid resins zawn re ai ni) hpe, thermodynamic hte jak rung bungli ni hku nna, hkrang masa, shadawn shadang, hte atsam marai ni hpe, n-gun n rawng ai arung arai ni de galai shai shangun ai lam ni lawm ai. Raw material form hte processing ladat hta hkan nna, thermoplastic forming hte thersosetting byin pru wa ai ngu ai daw lahkawng hku garan mai ai. Thermoplastics (plythylene (PE), polyvipylene (PP), polyvinyl chloride (PVC), hte polycarbonate (PC) zawn re ai ni gaw sheet galaw na matu madung arung arai langai byin wa sai, hpa majaw nga yang shanhte hpe katsi ai hte n-gun ja shangun ai majaw, n-gun ja ai hte n-gun ja hkra galaw lu ai majaw, grau law ai hkrang shapraw ai lam ni hpe galaw lu ai.
II. Mainstream Plastic laika buk ni hpe sawk sagawn ai lam
Extrusion galaw ai lam
Extrusion gaw plastic sheet galaw ai hta grau nna lang ai matut manoi lang ai lam rai nna, thermoplastic law malawng a matu htuk manu ai. Shi a madung arung arai ni gaw extruder (s screw, barrel, hte katsi ai ladat ni lawm ai) hte T{1}}}die (sh) coat{2}}hanger si mat ai. Dai lam gaw lawu na hte maren rai nga ai: hkyet mat ai hte pre{4}}} hpe tsi lajang ngut ai hpang, plastic raw arung arai hpe screl kaw na barrel kata kaw katsi shangun nna, die hku nna pru wa nna, matut manoi sheet byin hkra pru wa ai. Dai hpang, n-gun ja ai hte ntsa lam n-gun n-gun hpe hkang lu na matu, n-gun n-gun hte n-gun n-gun hpe hkang lu na matu, 3{6}}}roll calender (sh) mali{7}}roll (sh) manga{8}}roll hpe lang nna, n-gun n-gun hte n-gup n-gu n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-nga ai. Hpang jahtum, lawan ai hku katsi ai hte hkrang shapraw na matu cooling roll set hku lai wa nna, ngut sai sheet hpe galaw shapraw na matu sumla hkrung ka nna cut galaw ai.
Ndai ladat gaw, galaw shapraw ai atsam kaba (minit mi hta metre shi daram lawan ai) hte matut manoi galaw ai lam hta akyu nga ai. Dai gaw, n-gun kaba ai n-gun (±0.1mm kata) hte galu kaba ai n-gun (typically 0.5{6}}3 metres, 6 metres galu ai) hte galu kaba ai n-gun rawng ai sheet ni hpe galaw shapraw ai lam kaba a matu htuk manu ai. Die design, screw speed, hte nbung laru masa ni hpe gram lajang ai hku nna, single{7}}layer langai (sh) multi{8}}layer composite sheets ni (co{9}} hpe garan tawn da ai anti{11}fog sumla hkrung ni hte barrier packaging sheets ni zawn re ai) hpe gram lajang ai hku nna mung galaw lu ai. Raitim, extrusion molding gaw, yak hkak ai 3-dimensional structures ni hpe n kaja ai hku htuk manu hkra galaw lu ai atsam hte, shi a raw material flowability ra kadawn ai lam kaba ni a majaw, shadawn sharam sha rai nga ai (1g/10min hta grau nna (sh) dai hte maren sha rai nga ai, melt index (MI) Greater ra ai.
Hot compression Molding (Molding Ladat)
Hot compression molding gaw, thersosetting plastic ni (phenolic resin hte epoxy resins zawn re ai) hte thermoplastics nkau mi (ABS hte polyimide (PI) zawn re ai) ni a n-gun ja ai shingnip (sh) hkrang shapraw ai lam ni hpe galaw na matu htuk manu ai. Ndai npawt tara gaw, n-gun rawng ai plastic sheet (sh) powder/granules hpe n-gun n-gun (typically 150-300 degree) hta bang nna, n-gun (5-50MPa) hpe lang nna, n-gun (5-50MPa) hpe lang nna, n-gup magap hpe jahpring nna, ra sharawng ai hkrang de ngang kang hkra galaw na matu re.
Ndai lam a madung lam gaw, yak hkak ai hkrang masa ni hpe galaw lu ai atsam (hpaga lam hta n-gun rawng ai n-gun n-gun hte n-gup magap ni lawm ai industrial load{0}bearing plate zawn re ai) hte tsaw ai-dimensional hkrak ai sheet arung arai ni (0.2mm hta grau nna hkam sharang lu ai n-gun n-gun n-nga ai), dai gaw kaji kajaw-batch kaji, tsaw ai{{4} n-gun rawng ai ni a matu grau nna htuk manu ai. Raitim, hot press molding gaw galu kaba ai galaw shapraw ai lam (n-gun n-gun langai sha gaw minit law law kaw nna minit shi daram sha rai nga ai) hte n-gun law law lang ai (n-gun atsam hte katsi ai lam hpe katsi shangun ai hte katsi ai lam gaw n-gun lang ai hta 40% jan rai nga ai). Dai majaw, nbungli hte mawdaw daw ni zawn re ai n-gun ja ai bungli galaw ra ai lam ni nga ai application ni a matu grau htuk manu ai.
Injection Molding (Nsen Sheets a matu laksan galaw ai)
Injection molding hpe n-gun dat hpe lang nna, ultra-thin plastic sheets ni hpe galaw shapraw na matu mung lang mai ai.<2mm thick) through optimized mold design (such as using flat flow channels and thin-walled cavities). The process involves melting plastic granules in the injection molding barrel and injecting them into a split mold under high pressure (80-200 MPa). After cooling and solidification, the mold is opened and removed.
Injection molding a akyu ni gaw, ntsa lam n-gun kaba ai (Ra 0.1μm or less) hte insert ni hpe hpaw shalawm lu ai atsam (badedded metal reintention zawn re ai) ni lawm ai. Raitim, mold chyinghka hkrang hte katsi ai hpun palawng ni hta shadawn sharam ai majaw, n bung ai n-gun ni lawm ai sheet kaba ni (sh) sheet ni hpe shapraw na matu yak nga ai. Ya aten hta, ndai ladat hpe madung hku nna, electronic display screen makawp maga ai panel ni hte laboratory hkrak ai tray ni zawn re ai tsaw ai-end application ni hta jai lang ai.
Kaga Auxiliary Process ni
Lahta e tsun lai wa sai madung lam ni hta n-ga, laksan masa lam nkau mi hta mung, calendering (hpyen n-gun law law a lapran na gap hku nna n-gun ja ai hku galai shai ra ai, n-gun n rawng ai PVC floor coverings ni a matu htuk manu ai, etc.), blow molding (hollow sheets ni hpe hkyen lajang na matu), hte thermoforming (secondary processing, flat sheet hpe katsi shangun nna, box langai mi de vacuum byin hkra vacuum byin hkra galaw ra ai) ni hpe mung ra nga ai. Ndai ladat ni hpe madung n-gun rawng ai ladat hte rau jat bang ai ladat ni hku nna jai lang chye ai.
III. Hpaji masa hte seng ai ladat ni
Ya aten hta, plastic sheet molding process ni gaw, grau tsaw ai efficiency, hpaji rawng ai lam, grau hpraw ai ladat ni de rawt jat wa nga ai. Maga mi hku nna, hpaga lam hte seng ai Internet hte jak shingran hpaji ni hpe hpaw hpang ai gaw, tengman ai- aten hpe yu reng ai lam hte, nbung katsi ai lam, n-gun, lawan ai lam zawn re ai parameter ni hpe automated hku hkang lu shangun ai (ga shadawn, PID hpe pat kau ai-loop control accuracy a hkrak ai lam hpe ±0.5℃de jat wa sai,, arung arai ni a hkam kaja lam hpe grau kaja hkra galaw ya lu ai. Maga mi hku nna, grup yin hpe makawp maga ra ai lam ni gaw, bio- hpe madung tawn ai plastic ni (polylactic acid (PLA) zawn re ai) hte bai jai lang mai ai arung arai ni a matu, gram lajang ai lam ni hpe grau kaja hkra galaw nga ai. Ga shadawn, n-gun jai lang ai lam hpe shayawm na matu, npu na n-gun n-gun n-gun n-gun n-gun hpe shapraw ai hpaji hpe gyin shalat nga ai, co- compounding hte galai shai ai lam ni hpe jai lang nna, bai jai lang ai plastic ni a processing fluidity hpe grau kaja hkra galaw nga ai.
Raitim, ndai hpaga lam gaw yak hkak ai lam ni hpe naw hkrum sha nga ai: langai, tsaw ai{0}}performance sheet arung arai ni ( high- a n-gun ja ai engineering plastic laika ni hte ultra{{3}thin optical{{4} kaw na laika ni) hta, n-gup magap galaw ai arung arai ni hta grai tsaw ai hkrak ai lam hte arung arai ni hpe htuk manu hkra galaw ra ai. Lahkawng, htunghking ladat nkau mi (hot pressing zawn re ai) ni gaw, automation madang n law ai hte, lata hte grai law hkra shang lawm ra ai majaw, scalable manu jahpu hpe shayawm ya lu ai. Htawm hpang de, arung arai hpaji, jak hpaji, hte hpaji rawng ai hku hkang zing ai lam ni hpe sung sung hkap la ai lam ni hte, plastic sheet hpaw ai ladat ni gaw, bungli galaw ai lam a lamu ga jarit ni hpe grau nna shadut nna, n-gun nnan (photoltaic backsheets zawn re ai) hte tsi hpaji (sterile carrier sheets zawn re ai) zawn re ai rawt jat wa nga ai ginra ni hta shanhte a jai lang ai lam ni hpe jat wa na hpe myit mada da ai.
Plastic sheet galaw ai ladat hpe lata ai shaloi, arung arai ni a arung arai ni, arung arai ra kadawn ai lam ni, manu jahpu-}efectness ni hpe hkrak tup myit yu ra ai. Htunghking hot pressing kaw nna, hpaji rawng ai hkrak ai lam hpe hkrak hkra matut manoi galaw ai lam de, galaw sa wa ai lam shagu gaw, masa langai ngai hta galai shai mai ai lit hpe gun hpai nga ai. Matut nna hpaji hparat hpaji ningnan ni hte, plastic sheet materials ni gaw shanhte a akyu ni hpe n-gun n law ai, n-gun n rawng ai, n-gun n rawng ai hpe ninghkap lu ai, grau law ai jai lang ai lam ni hta galaw shapraw lu ai atsam ni hpe madun dan lu nna, dai ni na aten na hpaga lam hpe gram lajang na matu madi shadaw ya ai madung npawt nhpang arung arai langai byin tai wa na re.
