Shanghai Daoqin Plastics Co., Ltd.

一, high density polyethylene (PE) （HDPE） material temperature degree material 区 30～50℃（50℃） 区1$ f* I" ^$ M9 160～250℃（200℃） 区2. g% Xq6 z6 U1 g" F8 L200～300℃（210℃） 区3220～300℃（230℃） 区4- S/ v; x" o1 l8 r+ [; v% a220～300℃（240℃） 区5220～300℃（240℃）: K* @y% `Y nozzle 220～300℃（240℃）括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1熔 material temperature degree (^0?7 n0 `* S' b% F7 X220～280℃; j0 D# K+ V, o(E material temperature 220℃ injection molding parts mold temperature degree 8 l$ k8 P6 l8 M' e* f" Q2 n7 {20～60℃2 |# u% X$ C; ^4 ^2 { injection pressure tool has very good flow property can, using/adopting high injection pressure 80～140MPa（800～1400bar）; thin packaging container remove outer can to 180MPa (1800bar) holding pressure pressure shrinkage degree relatively high, need long time for products holding pressure, dimensions degree is key/critical factors, is injection pressure 30％～60％ back pressure $ z. f" k" `0 c4 c; A4 x5～20MPa（50～200bar）; back pressure low easy formed products weight and color dispersion 不均9 H:?1 O+ N+ R5 o+ o' @# F2 I$ u injection speed degree for thin packaging container need high injection speed degree, in and other injection speed degree comparison suitable for its it type plastics products screw speed high screw speed （线 speed degree is 1.3m/s） is 允许, need meet/satisfy cooling time front formed process can; screw requirements is low j3 i9 z! U+ l+ j0 G9 W% e(l计 amount 行程0.5～4D（ most small value ～ most large value ）; 4D amount is material provide long time is very important. P% r4 j: C3 O6 ub残 material amount 2 A* j' H* |, t3?2～8mm, 取决于计 amount and screw 直径0 j' w- x; c# `% U7 K1 w+ * @预烘 dry need; if conditions good, in 80℃ temperature degree lower dry 1h就 can + hw6 I9 U(B+ f5 s* Y& O2 g recycling rate can to 100％ recycling (K3 s& W3 e. On" C shrinkage rate O1.2～2.5％; easy 扭曲; shrinkage degree high; 24h rear again shrinkage （ molding rear shrinkage ）- a, I9 |8 k) `! v& V' a1 k gate system gate; add hot hot runner, temperature hot runner, inner sleeve/set; 横截面面积 versus for small, for thin products already 足够3 H$ O9 L6 W+ X:?+ n8 r+ F7 | machine 停工时段 无需 use its it material 进行专门 清洗工 as; PE resistant temperature rise 7 ~! R. b' O: Y: o; T material equipment standards screw, standards use 三段式 screw; for packaging container type products, mixed combined and 切变段几何 outer 形特殊（L: D＝25: 1）, nozzle, 止逆阀二, polypropylene (PP) （PP）% v. l& X. B* W" T3 e" @; m4 s material temperature degree material 区30～50℃（50℃）" I9 b- {(m. J2 x' A 区1, C(M6 D, W7 g+ i4 h160～250℃（200℃）: `4 f4 K! D- w3 i 区2200～300℃（220℃） 区3220～300℃（240℃）! _5 `* i) S7 d, N 区4220～300℃（240℃）8 E0 V5 x/ {# UH; M4 E7 D 区5$ U- D! K. `7 U' U5 F+ o220～300℃（240℃） nozzle 220～300℃（240℃）括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 13 G"?$ F+ z5 ^3 j/ j6 b1 h, _熔 material temperature degree 220～280℃6 ]3 r/ M- b/ { material temperature 220℃ injection molding parts mold temperature degree 20～70℃ injection pressure tool has very good flow property can, using/adopting high injection pressure 80～140MPa（800～1400bar）; * V/ `- S. u0 C- W,?. V, L+ i thin packaging container remove outer can to 180MPa (1800bar). i0 vs* M" C. b2 N holding pressure pressure products generate shrink 壁, need very long time for products holding pressure （约 is ring time 30％）; is injection pressure 30％～60％1 c: w6?1 Y2 m4 L$ t+ H$ s back pressure 5～20MPa（50～200bar）' w9 l, y, 7 }/ N" x2 R1 K injection speed degree for thin packaging container need high injection speed degree （ belt/tape can device ）; in and other injection speed degree comparison suitable for its it type plastics products screw speed high screw speed （线 speed degree is 1.3m/s） is 允许, need meet/satisfy cooling time front formed process can amount 行程 0.5～4D（ most small value ～ most large value ）; 4D amount is material provide long time is very important material amount 2～8mm, 取决于计 amount and screw speed dry need; if conditions good, in 80℃ temperature degree lower dry 1h就 can recycling rate can to 100％ recycling shrinkage rate 1.2～2.5％; shrinkage degree high; 24h rear again shrinkage （ molding rear shrinkage ） gate system gate or more gate; add hot hot runner, temperature hot runner, inner sleeve/set; gate in products most thick 点, easy large sink marks 3 O6 p# H: `& r8 q; o machine 停工时段无需 use its it material 进行专门 清洗工 as; PP resistant temperature rise material equipment standards screw, standards use 三段式 screw; for packaging container type products, mixed combined and 切变段几何 outer 形特殊（L: D＝25: 1）, nozzle, 止逆阀" k4 T9 b5 y" q3 V$ J三, polystyrene (PS) （PS）3 W% d& Q1 ~2 W material temperature degree material 区 30～50℃（50℃）4 B9 d7 C(U* g 区1 160～250℃（200℃）0 [! e(E, O0 |! h2 qT 区2 200～300℃（210℃）3 w. S/ }! y/ ^7 F" {" n5 ` 区3 220～300℃（230℃）- f# {. _# V9 C" }8 c 区4 220～300℃（230℃） 区5 220～300℃（230℃） nozzle 220～300℃（230℃）, I, }$ {$ x8 W4 O3 m+ ~& N3 O括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1, j8 L, - s0 }+ E熔 material temperature degree 220～280℃- x,?5 k+ A8 a+ T2 d material temperature 220℃ injection molding parts mold temperature degree 15～50℃ injection pressure tool has very good flow property can, using/adopting high injection pressure 80～140MPa（800～1400bar）2 a" P' P$ L2 [1 M) |) j$ u& R1 N holding pressure pressure injection pressure 30％～60％; versus for relatively short holding pressure time back pressure 5～10MPa（50～100bar）; in back pressure low 方, material in easy generate bubbles （ products in has 灰黑纹路） injection speed degree relatively fast, more grade injection products is based on; for thin packaging container 应该尽 can can fast, necessary use can device screw speed high screw speed （ most large speed degree is 1.3m/s） is 允许; is good 效果, process 应该缓 slow cooling time 一样计 amount 行程 0.5～4D（ most small value ～ most large value ）; 4D amount is material provide long time is very important. b6 @(k, J' l- X0 }. m$ G残 material amount 2～8mm, 取决于计 amount and screw speed dry need; if conditions good, in 80℃ temperature degree lower dry 1h就 can recycling rate can to 100％ recycling shrinkage rate 0.3％～0.6％2?1 `; a0 _3 r" P gate system gate; add hot hot runner, temperature hot runner, inner sleeve/set; versus for relatively small 横截面 is 足够; w?* u/ ^9 c. t machine 停工时段无需 use its it material 进行专门 清洗工 as; PS resistant temperature rise v* I* r6 p$ {5 i& b material equipment standards screw, nozzle, 止逆阀四, polyvinyl chloride (PVC) －未 increase 塑（PVC－U） material temperature degree material 区 30～50℃（50℃）X& }1 _5 y% F; j 区1 140～160℃（150℃）区2 165～180℃（170℃）区3 180～210℃（190℃）区4 180～210℃（200℃） 区5 180～210℃（200℃） nozzle 180～210℃（200℃）. B9 p# ^; }8 ], K4 g' D3 k' S括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1z+ a6 S- [" b% T% H) G8 T" _熔 material temperature degree 210～220℃- b& ]& `5 j, [$ e4 c$ ` material temperature 120℃& M: Q0 V: y! injection molding parts mold temperature degree 30～60℃ injection pressure 80～160MPa（800～1600bar） holding pressure pressure can 设置太 high, injection pressure 40～60％, parts and gate is based on 5 V(~9 f' _) G# n: c back pressure it hot property, positive 确设置 back pressure is very key/critical; screw 转动摩 scratch generate hot amount （关闭 hot amount control ） ratio from material add hot generate hot amount more good; back pressure ultra- 30MPa（300bar）" M) X9 N) {; Z1 X# A" y# I8 Af injection speed degree need 设置太 high small material material generate 剪切效应; products easy generate property or 锐边 方, for need more grade injection speed degree) [. o4?! D+ b, V3 ` screw speed use most low 设置, most large speed degree combined speed degree is 0.2m/s; if necessary, delayed plasticization ensure in cooling time long lower, amount as in low screw speed can in cooling time front formed; need high 扭矩并 maintain uniform amount 行程 1.0～3.5D+ 3 b(~/ q0 _残 material amount relatively small: 1～5mm, 取决于计 amount and screw 直径; screw in material ensure most small combined dry if conditions good, in 70℃ temperature degree lower dry 1h就 can recycling rate in material has hot separation understanding lower recycled utilizing shrinkage rate 0.5％～0.7％ gate system gate, sheet/slice gate or sheet/slice gate relatively good, for small products can using/adopting gate; gate products direction has 圆弧 渡 machine 停工时段关闭 add hot, compression molding 化, 允许熔 material 驻流2～3mm, rear extrusion machine that slow as machine; heavy as to material temperature degree drop to 160℃, rear extrusion material, material material equipment hard 质PVC screw; has need material has add hot and cold gas gas plant/unit; screw has or has 螺槽, nozzle * y0 l0 c6 ~+ C5 p五, increase polyvinyl chloride (PVC) （P－PVC） material temperature degree material 区 30～50℃（50℃）1 Y9 N6 O, ]: I; a) D4 w 区1 140～160℃（150℃）区2 150～180℃（165℃）& m5 J8 z5 @"?3 N$ z7 ]: q 区3 160～220℃（180℃）区4 160～220℃（190℃）% I1 n$ w0 O: i5 t0 Y: `% nozzle 160～220℃（200℃） 括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1) R- ^n/ g9 b熔 material temperature degree 200～220℃5 r3 Q* h/ o9 s8 Q8 W8 I material temperature 120℃5 2 Y(l6 ~8 c' M# R injection molding parts mold temperature degree 30～50℃ injection pressure 80～120MPa（800～1200bar）6 l(T" ~6 s+ n4 u+ C7 [- R holding pressure pressure injection pressure 30％～60％ back pressure 5～10MPa（50～100bar） injection speed degree is obtain good surface quality, injection 不应该太 fast （ if necessary, using/adopting more grade injection ）9 gG(d* _: ^) d1 C screw speed in and other screw speed, most large combined speed degree is 0.5m/sQu1 p' e' u/ k% f5 Z: I6 G计 amount 行程 1.0～3.5D! e3 D9 t|8 }5 a, b' j残 material amount 2～6mm, 取决于计 amount and screw 直径& b* w4 E. {$ `0 v7 P预烘 dry need; has in conditions good, in 70℃ temperature degree lower dry 1h就 can A7 }7 N9 l4 o$ |7 d recycling rate in material has hot separation understanding lower recycled utilizing shrinkage rate 1％～2.5％ gate system for small products can using/adopting gate; gate products direction has 圆弧 渡 machine 停工时段关闭 add hot, compression molding 化, as extrusion ring material equipment standards screw, ring, nozzle 六, nylon 6 （PA6）9 [/ _% J. K4 + B3 q6 `0 t material temperature degree material 区 60～90℃（70℃）* |$ f4 d* z" P2 `, ^5 n9 B- G 区1 230～240℃（240℃）# |6 I. c! x1 K$ G(L" ` 区2 230～240℃（240℃）/ B5 o0 H% O. J4 `# d 区3 240～250℃（250℃）区4 240～250℃（250℃）区5 240～250℃（250℃）* h(V1 ~, ]1 | nozzle 230～240℃（250℃）1 x' U1 i; r8 ^+ w inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1% `. |1 ~8 `8 n9 W material and 区1 temperature degree is effect/influence material efficiency, improve/increase this temperature degree can make material more 平均; v3 V(X. g1 s0 @熔 material temperature degree 240～250℃/ f2 X* q: M: z4 ]* U# x material temperature 220℃! A0 |! i* ^h3 z3 o* k5 O4 v, C injection molding parts mold temperature degree 60～100℃8 }/ P4 M2 W7 L/ _3 G- r+ } injection pressure 100～160MPa（1000～1600bar）, if is processing thin long runner products （如 electrical belt/tape ）, need to 180MPa（1800bar）; W+ A& ^+ b& g# B& F holding pressure pressure injection pressure 50％; due to material versus for relatively fast, short holding pressure time already 足够. reduce holding pressure pressure can decrease/reduce products internal stress back pressure 2～8MPa（20～80bar）, need adjustment, is back pressure high formed 塑化不均 injection speed degree using/adopting versus for relatively fast injection speed degree; injection molding parts mold has good gas property products upper easy 出现焦化 phenomenon (y2 i3 ^9 {* `' r2 O+ [9 B screw speed screw speed high, speed degree is 1m/s; however, most good will screw speed low 一点, need can in cooling time front formed process can; requirements relatively low screw 转矩, h: s$ W6 }) W: [' y, |, u. W计 amount 行程 0.5～3.5D残 material amount 2～6mm取决于计 amount and screw 直径5 M, n/ M% q8 j7 _; @1 a% r" G9 U预烘 dry in 80℃ temperature degree lower dry 4h, remove from material container inner material; nylon has water property, 应该保存 in anti container inner and material inner; water content ultra- 0.25％就会造 formed molding 改变1 g5 y8 o7 f9 o. R& V6 J1 f: q# Y$ A6 N recycling rate can add 入10％回 material " @7 t.; Z7 }& BK shrinkage rate 0.7％～2.0％; or add 30％ glass fiber, shrinkage rate is 0.3％～0.8％; if provide temperature degree ultra- 60℃, products is cooling; cooling can reduce molding rear shrinkage, products performance is more good dimensional stability and small internal stress; using/adopting gas method; nylon products can through liquid agent 检查应 force 4 a) y1 i0 B# c(`& j gate system 点式, 潜伏式, sheet/slice and gate can; use and gate 窝 断 cold material 点; can use hot runner; due to material can processing temperature degree scope/range narrow, hot runner provide ring temperature degree control 6 Y" N9 b3 _4 e8 X0 Q machine 停工时段无需 use its it material 清洗; material in material inner time can 达20min, rear thermal degradation easy 发生; d1 Q5 r& H6 I' C material equipment standards screw, 特殊几何 dimensions has relatively high can force; ring, nozzle; for add glass fiber reinforcement material, need high wear resistant di metal material 筒七, nylon 66 （PA66） material temperature degree material 区 60～90℃（80℃）* S2 M1 L$ W(q+ J1 S4 z" K$ J 区1 260～290℃（280℃）区2 260～290℃（280℃）+ l% }5 D0 y) e% Y+ b8 e2 s 区3 280～290℃（290℃）/ q* D; s$ E- j 区4 280～290℃（290℃）'?8 }5 n/ E' V" vj; ] 区5 280～290℃（290℃）- T7 n, M. L' J' l8 }, [nozzle 280～290℃（290℃）括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1! o(s. B2 d9 `; s' ^1?M3 _2 a(N material and 区1 temperature degree is effect/influence material efficiency, improve/increase this temperature degree can make material more 平均2 o1 O8 ~6 v0 z3 B熔 material temperature degree 270～290℃. y& L, i+ P, n8 |(u material temperature 240℃) J. N. X4 x(e! B- L: U" W# t injection molding parts mold temperature degree 60～100℃0 g3 B# @; k" L6 _' e2 ]. [injection pressure 100～160MPa（1000～1600bar）, if is processing thin long runner products （如 electrical belt/tape ）, need to 180MPa（1800bar）. R5 `* G* R$ p1 x! f4 e+ u- E holding pressure pressure injection pressure 50％; due to material versus for relatively fast, short holding pressure time already 足够. reduce holding pressure pressure can decrease/reduce products internal stress, R) h% g; G% D/ a5? back pressure 2～8MPa（20～80bar）, need adjustment, is back pressure high formed 塑化不均 injection speed degree using/adopting versus for relatively fast injection speed degree; injection molding parts mold has good gas property products upper easy 出现焦化 phenomenon + o6 Q& H% C5 c, z+ j6 Y& T screw speed high screw speed, speed degree is 1m/s; however most good will screw speed low 一点, need can in cooling time front formed process can; requirements screw is low! N- ~0 E9 P& k! f1 }计 amount 行程 （0.5～3.5）D残 material amount 2～6mm取决于计 amount and screw 直径- Q) M, ^5 @8 K1 r# Y0 v" O; G预烘 dry in 80℃ temperature degree lower dry 4h, remove from material container inner material; nylon has water property, 应该保存 in anti container inner and material inner; water content ultra- 0.25％就会造 formed molding 改变3 h& N$ M9 M3 e$ ]7 }# o recycling rate can add 入10％回 material Y shrinkage rate 0.7％～2.0％, or add 30％ glass fiber, is 0.4％～0.7％; if provide temperature degree ultra- 60℃, products is cooling; cooling can reduce molding rear shrinkage, products performance is more good dimensional stability and small internal stress; using/adopting gas method; nylon products can through liquid agent 检查应 force gate system 点式, 潜伏式, sheet/slice and gate can; using/adopting and gate 窝 断 cold material 头; can use hot runner; due to material can processing temperature degree scope/range narrow, hot runner provide ring temperature degree control machine 停工时段 无需 use its it material 清洗; material in material inner time can 达20min, rear thermal degradation easy 发生L$ n4 `/ M* G7 N4 K+ material equipment standards screw, 特殊几何 dimensions has relatively strong/high can force; ring, nozzle; for add glass fiber reinforcement material, need high wear resistant di metal material 筒 八, terephthalic acid 丁二（ alcohol ） ester （PBT） material temperature degree material 区 50～70℃（70℃）4 jcu1 q3 T8 K- l" y/ N. y9 [区1 230～250℃（240℃）区2 240～260℃（250℃）区3 250～260℃（260℃）+ G* A7 U0 b& y2 s% o* u' p区4 250～260℃（260℃）区5 250～260℃（260℃） nozzle 250～260℃（260℃）- P$ r! H7 H7 X2 h- | 括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1熔 material temperature degree 250～260℃, molding scope/range narrow; low 于240℃ easy 凝结, 270℃ above easy generate thermal degradation material temperature 210℃ injection molding parts mold temperature degree 60～80℃ injection pressure 100～140MPa（1000～1400bar） holding pressure pressure injection pressure 50％～60％ back pressure 5～10MPa（50～100bar）, generate scratch hot injection speed degree is high solid rate and crystallization rate using/adopting high speed; in injection process in material cooling and 凝结; inner maintain good gas property is very important, 否则裹入 空 gas easy make runner generate screw speed most large screw speed combined speed degree is 0.5m/s#, q. S* q& d5?* Z([0 v计 amount 行程 （0.5～3.5）D, is material for hot and in material inner time long very 敏感; time ultra- 5min; f3 K! g(z: ]5 l1 Y残 material amount 2～5mm, 取决于计 amount and screw 直径预烘 dry in 120℃时烘 dry 4h recycling rate if mixed has flame retardant, 允许不 ultra- 10％回 material add 入, front is dry and has thermal degradation; flame retardant material can add 入20％回 material shrinkage rate very large degree 取决于 injection molding parts mold temperature degree, injection molding parts mold temperature degree high, shrinkage degree large; shrinkage rate 1.4％～2.0％, or add 入30％ glass fiber make shrinkage rate 至0.4％～0.6％& `3 m' c: b4 {% u gate system glass fiber reinforcement type material use in 心式直 gate and gate; gate 位置应保 mold cavity uniform 充满; gate has hot runner, temperature degree must ring control 8 S4 T7 x8 T, U3 K6 R#? machine 停工时段 关闭 add hot system, as extrusion machine 一样操 as machine to has plastics by extrusion is 止; in production in rear again heavy new machine, extrusion material to has bubbles " w8 f* c+ l0 B) [) b7 t material equipment standards screw, ring, nozzle + j1 h[1 ]1 W九, terephthalic acid 乙二（ alcohol ） ester （PET） material temperature degree material 区 50～70℃（70℃）区1 240～260℃（250℃）. Gc/ z7 G1 ]&?0 W' ] 区2 240～260℃（250℃）区3 250～290℃（270℃）区4 250～290℃（270℃）区5 250～290℃（270℃） nozzle 250～290℃（270℃）括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1熔 material temperature degree 270～280℃0; }0 C+ w/ i0 @ material temperature 220℃: i3 R$ H7 ]+ F injection molding parts mold temperature degree 120～140℃ injection pressure thin products can 达160MPa（1600bar）3 l" i0 N; P% D# P. c" T9 f9 ]0 x; C holding pressure pressure large injection pressure 50％～70％以避免 generate shrink 壁; selection holding pressure time; long holding pressure time easy formed internal stress, especially is for non resin, make product impact resistant property reduce back pressure 5～10MPa（50～100bar）, generate scratch hot injection speed degree is high solid rate and crystallization rate using/adopting high speed; in injection process in material cooling and 凝结; inner maintain good gas property is very important, 否则裹入 空 gas easy make runner generate 焦化$ R* T7 g0 R8 g3 z% R# p8 v" O3 Ep/ T screw speed most large screw speed combined speed degree is 0.5m/s0 c' G(Q- C2 k5 I$ X* S计 amount 行程 （0.5～3.5）D, is material for hot and in material inner time long very 敏感; time ultra- 5min/ c1 {* Y+ C3 E) I; C0 r$ P残 material amount 2～5mm, 取决于计 amount and screw 直径' y" _% o: J' ]+ N! J预烘 dry in 120℃时烘 dry 4h. E, F$ d# Q(]9 Z4 R* `1 Ui recycling rate most more can add 入20％回 material, front is recycling material must very good dry has thermal degradation; 不允许 generate tensile, bending and impact strong/high degree and new material 一样9 e' g3 V6 z# i: r/ { shrinkage rate very large, 取决于 resin, thick degree, injection molding parts mold temperature degree and holding pressure: shrinkage rate 1.2％～2.0％, or add 30％ glass fiber reinforcement type material, make shrinkage rate 达0.4％～0.6％ gate system 任何一 types system type gate can use; gate has hot runner, temperature degree must ring control machine 停工时段关闭 add hot system, as extrusion machine 一样操 as machine to has plastics by extrusion is 止; if material 口处换 its it thermoplastic property material, use PE or PP清洗 material equipment standards screw, ring, nozzle 十, polycarbonate (PC) （PC）* S/ F$ b! q2 @ material temperature degree material 区 70～90℃（80℃） 区1 230～270℃（250℃） 区2 260～310℃（270℃）8 p$ x% T3 Q# W" C 区3 280～310℃（290℃） 区4 290～320℃（290℃） 区5 290～320℃（290℃） nozzle 300～320℃（290℃） 括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1熔 material temperature degree 280～310℃. `) G; U0 w' p5 B8 N material temperature 220℃/ S9 ](xK~/ B* X% X injection molding parts mold temperature degree 80～110℃ injection pressure is material flow property 差, need very high injection pressure: 130～180MPa（1300～1800bar）& F. Nw; M! H holding pressure pressure injection pressure 40％～60％; holding pressure low, products force low back pressure 10～15MPa（100～150bar）(O" N; E, M% g' [- d injection speed degree 取决于流 long and thick degree: thin products need fast speed injection; need good surface quality, use more grade slow speed injection screw speed most large speed degree is 0.6m/s; make time and cooling time for 应; screw need large 扭矩6 j2 j1 v& z) F+ Q7 E) Q& z计 amount 行程 （0.5～3.5）D5 CB(I3 S9 W) D; L7 h7 B5 u1 D+ X' f残 material amount 2～6mm, 取决于计 amount and screw 直径6 c7 b. }. [' u(E0 ]" Z' ^预烘 dry in 120℃ temperature degree lower dry 3h; maintain water low 于0.02％, make force property can more excellent 8 o# j" D9 _* s0 a: I2 I. D recycling rate most more can add 入20％回 material; relatively high material ratio/proportion maintain resistant hot property, force property can reduce # }3 r; Z1 H1 p) n# X' r# }+ k& T shrinkage rate 0.6％～0.8％, is reinforcement type type, 0.2％～0.4％# M/ G(@4 K9 g1 y gate system gate 直径应该至 less and other products most large thick 60％～70％, is gate 直径至 less is 1.2mm（ gate degree is 3～5°, or surface quality good products need 2°）; for thick uniform relatively small products can using/adopting gate 5 H- % r- U5 f$ K5 f, A machine 停工时段如 production in 断, as machine extrusion machine that to has plastics extrusion and temperature degree drop to 200℃ left right: material 筒, use high viscous property PE, will screw from hot material in 抽出并 use filament 刷刷 残 material 8 o1 L(f/ _& M! A material equipment standards screw, ring, nozzle % E- |! f3 C; o; D/ R* FL" ^十一, propylene 睛－ butadiene － styrene copolymer （ABS）(d+ w9 A/ l/ {I' y* @:? material temperature degree material 区 40～60℃（50℃）区1 160～180℃（180℃）3 L- b. S) w/ f4 v 区2 180～230℃（210℃）* w" w6 Z$ c9 D& Z(Z" x 区3 210～260℃（240℃）9 u) m; x& x4 U; v& T# d6 N3 [区4 210～260℃（240℃）区5 210～260℃（240℃）' Q7 |8 w+ ]& K; G) |4 q nozzle 210～260℃（240℃）括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1 material temperature 220℃% W/ M7 K. @& e! r$ `; Q injection molding parts mold temperature degree 40～80℃! g' Z# i, E4 h9 N/ p& `+ z injection pressure 100～150MPa（1000～1500bar）1 b& c6 |0 L' b5 ]0 n; k holding pressure pressure holding pressure time versus for relatively short, injection pressure 30％～60％6 U0 `+ u5 {- {1 {) U. a熔 material temperature degree 220～250℃$ [(hP6 R+ k. Y(N back pressure 5～15MPa（50～150bar）; if back pressure low, material in 裹入 空 gas formed 焦化（ in products inner has 灰黑纹路）% B* N3 C9 ^9 G$ @+ Y injection speed degree most good using/adopting separation grade injection: from slow to fast; need injection speed degree to good surface gloss, most small combined and combined high strength; need in front runner combined 处开设通 gas 隧道" k(m3 X; c3 U0 z screw speed most large screw speed combined speed degree is 0.6m/s, most good will screw speed low 一点, need can in cooling time front formed process can - X(Z! B* P, q, `E9 X. Q计 amount 行程 （0.5～4）D; `+ X! u9 m% n+ F' i残 material amount 2～8mm, 取决于计 amount and screw 直径$ F/ `- h: d$ N6 Q预烘 dry ABS in has lower can from raw materials bag inner 直接喂 material 无需预烘 dry, in 80℃ temperature degree lower dry 3h; wet pellets formed products has cracks, scratch or bubbles recycling rate can add 30％ 回 material, front is front material has thermal degradation shrinkage rate 0.4％～0.7％0 n9 Z3 G8 h2 C9 {# ~j. P(v gate system can use gate and hot runner; most small thick small 于0.7mm, is ABS flow property relatively 差2 E(z% u8 h& h2 L6 s machine 停工时段无需 use its it material material equipment standards screw, ring, nozzle 十二, propylene 睛－ butadiene － styrene copolymer / polycarbonate (PC) （ABS/PC）/ P; K" E1 X' {- H3 v3 @% ^ material temperature degree material 区 50～70℃（70℃）& V" Il/ V, v' y7 F; C0 W(l 区1 230～250℃（250℃）- ^- ^5 & z; @. j1 Z 区2 250～260℃（260℃） 区3 250～270℃（265℃）$ f* ~$ ]6 v}. RX0 P 区4 250～270℃（265℃）$ f7 & {" C* h% w7 p% X0 D 区5 250～270℃（265℃）2 l; P! V5 W9 D1 d# m nozzle 250～270℃（270℃）5 i' A" [- k9 Y(H inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1熔 material temperature degree 260～270℃(b! Q. x(k5 h! o% [% W7 y% V$ i8 F9 K material temperature 200℃+ f2 z6 F1 ^/ c& W2 l injection molding parts mold temperature degree 70～90℃; u: `# i* o6 h$ W; R, z. a! f4 q6 u% ] injection pressure 80～150MPa（800～1500bar）! q9 q6 b. z3 N2 F(o holding pressure pressure injection pressure 40％～50％以避免 products shrink 壁; is make products internal stress most small 化, holding pressure pressure 应该尽 can can low + M8 S: `+ b/ Q' _, o) U- K back pressure need 5～10MPa（50～100bar）, generate scratch hot injection speed degree in and other injection speed degree, will scratch hot drop most small; more grade injection; for has products using/adopting from slow to fast screw speed most large screw speed combined speed degree is 4.0m/s计 amount 行程 （1.0～3.0）D, is material for hot and in material inner time long very 敏感; time ultra- 6min, in hot runner in time 也应尽 can can small material amount 2～5mm, 取决于计 amount and screw 直径' E8 |! W+ W. e) S; {. m预烘 dry in 80℃ temperature degree lower dry 4h6 t# c(n5 D, _, q0 e recycling rate can add 入20％ 回 material, need material has thermal degradation 并进行 适当 预烘 dry; is strong/high degree requirements high products more good 4 ^5 D!?3 J+ f% `" F shrinkage rate 几乎各 toward property, 0.5％～0.7％; for glass fiber reinforcement type, 0.2％～0.4％: S* [/ }; b: S gate system 任何一 types 普通形 gate can use; gate has hot runner, temperature degree must ring control + 6 y4 S4 p7 s&?: H. R machine 停工时段关闭 add hot, as extrusion machine 一样操 as machine material 筒1 a5 NT8 J1 ^5 O% t material equipment standards screw is 50mm; for large screw, using/adopting low pressure shrink and short amount 段几何 dimensions; ring, nozzle 十三, styrene － propylene copolymer （SAN）, Q9 N9 H7 j! ^% k$ s material temperature degree material 区 30～50℃（50℃） 区1 160～180℃（180℃） 区2 180～230℃（210℃）' z# w5 T& @$ o8 P! d 区3 210～260℃（240℃）+ t0 K' / P5 Y- h+ J7 E+ N 区4 220～260℃（240℃）* ^- j+ F9 {0 S2 a2 q4 K) M 区5 220～260℃（240℃）8 S: [- S8 a' L8 ]2 r4 o" K. H nozzle 220～260℃（240℃）括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 10 G! O8 R* T0 Z^熔 material temperature degree 220～250℃1 j7 h) d; B, S, U- B7 L" u; q% M material temperature degree 200℃ injection molding parts mold temperature degree 40～80℃# m8 s2 l+ i8 I9 |. O! C3 v injection pressure 100～150MPa（1000～1500bar） holding pressure pressure holding pressure time versus for relatively short, injection pressure 30％～60％# m- `; a.?6 `, 7 T5 ]! M4 w back pressure 5～15MPa（50～150bar）, if back pressure low, material in 裹入 空 gas formed 焦化（ in products inner has 灰黑纹路） injection speed degree using/adopting fast speed injection obtain good surface gloss and color, most small combined and most large combined strong/high degree screw speed most large screw speed combined speed degree is 0.6m/s, most good will screw speed low 一点, need can in cooling time front formed process can; need in and other screw speed amount 行程 0.5～4.0D0 ]" |5 [) # O& n5 ~1 h7 K残 material amount 2～8mm, 取决于计 amount and screw 直径8 R8 `% V) H6 P3 h(g预烘 dry in 80℃ temperature degree lower dry 4h; 贮藏不当会 increase water property; this 会导致 in molding process in products surface cracking, scratch or bubbles * YJ# V+ c$ a$ u recycling rate can add 入30％ 回 material, front is front material has thermal degradation; for high quality products, use positive raw materials / s# A' d1 x1 ~0 }! |1 b8? shrinkage rate 0.4％～0.7％ gate system usually, can using/adopting gate system and hot runner machine 停工时段无需 use its it material material equipment standards screw, ring, nozzle 8 p# U* J/ v, A& a十四, has machine 玻璃（PMMA）& i# Y7 e(g2 s9 t material temperature degree material 区 60～80℃（70℃） 区1 150～200℃（190℃）区2 180～220℃（210℃）区3 200～250℃（230℃）% {$ c7?2 F8 e0 E7 S: y5 t 区4 200～250℃（230℃）区5 200～250℃（230℃）2 ~6 f% |, D4 ^. Y(A; L nozzle 200～250℃（230℃）括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 11 T+ m6 p0 L(g* p+ C熔 material temperature degree 220～250℃5 E9 ]9 {3 ]. m% I. d material temperature 170℃ injection molding parts mold temperature degree 40～80℃2 U, v6 T$ I8 s; K+ }) b injection pressure due to flow property relatively need high injection pressure 4 G2 q1 M9 T# ^' B& K5 s7 L- l) f holding pressure pressure 100～170MPa（1000～1700bar）; for thick products, requirements holding pressure pressure high and holding pressure time long, sheet/slice （ injection pressure 40％～60％, 2～3min）* T* @$ |8 D'?7 ^2 VF back pressure need versus for high back pressure: 10～30MPa（100～300bar）; back pressure easy formed products inner 出现空隙 or 灰黑斑纹 injection speed degree 取决于截面 thick degree and long: thick products need low injection speed degree to combined front 流效果; more grade injection: from slow to fast speed degree using/adopting in gate is obtain good surface quality screw speed can can slow 进行塑化 cooling 以适应 cooling time: most large speed degree is 0.6m/s; requirements screw high amount 行程 0.5～3.5D(M0 D/ Y+ v8 m: C! _: Q残 material amount 2～6mm, 取决于计 amount and screw 直径预烘 dry for need in 80℃ temperature degree lower dry 4h, is water absorption high 达1％% P- y- s9 c7 W% d) Q9 v; N recycling rate 允许, need material already by 适当烘 dry and add material; add material production products again has good optical quality shrinkage rate 0.3％～0.7％ gate system due to resin flow property 差, need large dimensions gate; for sheet/slice 说, gate ratio sheet/slice outer 轮廓截面 thick degree small 0.5mm; gate 直径应该至 less and products thick degree large; is in gate obtain good surface quality, 应避免 in gate and products between generate 锐边; is obtain has long pressure 传送, gate （横截面）应该 short or 方形; need using/adopting wide or / thin gate 横截面7 J: R5 I: {0 g(G1 e, u machine 停工时段 无需清洗 material equipment standards screw, for optical parts need 特殊几何 dimensions; ring, nozzle; D# d- M* a9 l4 6 $ n十五, polyoxymethylene (POM) material temperature degree material 区 40～50℃（50℃）; @; |& L: g4 H! Z 区1 160～180℃（180℃）' K7 z2 ^& {/ }8 hB 区2 180～205℃（190℃）5 t3 s2 {- }0 j' v! Y" i0 F 区3 185～205℃〔200℃〕$ T8 j1 E0 K/ E$ F 区4 195～215℃（205℃）0 J/ s# C1 G/ E(Y, v- Z4 V5 Z 区5 195～215℃（205℃） 括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1% ph# i; j% e# lS7 w3 @1 j熔 material temperature degree 205～215℃ material temperature 170℃ injection molding parts mold temperature degree 40～120℃1 O5 l2 7 |' S- v1 d8 s3 b% @ injection pressure 100－150MPa（1000～1500bar）; for thick degree is 3～4mm thick products parts, injection pressure is 100MPa（1000bar）, for thin products parts can rise 至150MPa（1500bar）8 R; A9 r7 J& N, m- N- ` holding pressure pressure 取决于 products thick and injection molding parts mold temperature degree; holding pressure long, parts shrinkage small; holding pressure is 80～100MPa（800～1000bar）, inner pressure can obtain 60～70MPa（600～700bar）; need precision molding 方, maintain injection pressure and holding pressure is same water is very has 利 （没 has pressure drop ）. same ring time conditions lower, long holding pressure time, molding weight in increase, this holding pressure time make is most excellent; usually holding pressure time is ring time 30％; molding weight is standards weight 95％, is shrinkage rate is 2.3％: molding weight to 100％时, shrinkage rate is 1.85％; and low shrinkage rate make products dimensions maintain stability: p4 o$ A4 n+ Yb back pressure 5～10MPa（50～100bar） injection speed degree in and other injection speed degree; if injection speed degree slow, injection molding parts mold or material temperature degree low, products surface 往往会出现 fine 孔- A# v;?+?$ X(u; O7 o/ q& V screw speed screw speed combined speed degree is 0.7m/s: will screw speed is need can in cooling time front formed process can; screw requirements is in and other * S% G& ^' _6 p% w: [1 t! F- {计 amount 行程 （0.5～3.5）D残 material amount 2～6mm, 取决于计 amount and screw 直径预烘 dry need; if material 受潮, in 100℃ temperature degree lower dry 约4h! [/ p8 i+ B, S6 E recycling rate generally molding can use 100％ 回 material, precision molding most more can add 20％ 回 material shrinkage rate is 2％（1.8％～3.0％）; 24h rear shrinkage 停止9 p* m. x- ~; N3 g' F! v gate system thick small products can use gate; gate 横截面应 is products most thick 截面50％～60％; mold cavity inner 一 障碍（ in 子, 隔层） injection is good; use hot runner injection molding parts mold molding is types process method machine 停工时段 production front 5～10min关闭 add hot system, back pressure is 零, extrusion machine material 筒; more its it resin 时, 如PA or PC, use PE清洗 material material equipment standards screw, ring, nozzle # M$ ([2 f5 x. q; q6 U; j十六, acid fiber （CA） material temperature degree material 区 30～40℃（40℃）(k, m# R) t, V- e. 区1 140～160℃（150℃）. t$ e- _, i1 v' m 区2 160～185℃（170℃）0 `0 d5 X7 M$ ] 区3 170～200℃（180℃）区4 170～200℃（180℃）' [- C7 c) ^; ^) aq' G. g0 m: X 区5 170～200℃（180℃）/ y"?7 I! F- H; W! x nozzle 170～200℃（180℃）括号 inner temperature degree as is basic setting value, utilizing rate is 35％ and 65％, parts long and thick ratio is 50: 1 to 100: 1熔 material temperature degree 200～210℃; material color table/sheet material temperature degree high; if material temperature degree low, surface gloss degree and transparent property effect/influence material temperature 160℃ injection molding parts mold temperature degree 40～80℃ injection pressure 80～120MPa（800～1200bar）$ |/ ^* ~* G9 | holding pressure pressure injection pressure 40％～100％; pressure 不应太 high generate internal stress; thick products holding pressure time relatively long EB" s% W# b. ~! n& X back pressure 5～10MPa（50～100bar）5 S8 @! T[7 y injection speed degree for thin products use fast speed injection; for thick products use slow speed 1 y% m8 d5 xs- G screw speed in and other screw speed, combined speed degree is 0.6m/s(o- B' |3 j' u1 B' g; A计 amount 行程 （1.0～3.5）D残 material amount 3～8mm, 取决于计 amount and screw 直径, u2 + O1 s& o+ r/ m预烘 dry in 70℃ temperature degree lower dry 3h" l9 ~. C/ |* V recycling rate can add 入20％ 回 material, front is has thermal degradation and 进行 预烘 dry & E% [9 H" t/ U5 N# S) H9 h shrinkage rate 0.4％～0.7％（0.4％ in material direction, 0.6％～0.7％ in material 流横截面 direction ）3 v(X*; m7 m/ nE- D gate system 点式/潜伏式 gate; use add elastic 簧 辅助 in 子时避免发生射流, gate easy generate surface defects machine 停工时段 关闭 add hot system, compression molding 化几次 and as extrusion machine that 样清空 material material equipment standards screw, has lower need 特殊几何 dimensions, ring, nozzle + j, G) L$ E) B* p, F(T十七, polyphenylene oxide (PPO) （PPO）! ]9 }/ R' E! o- B$ v material temperature degree material 区 40～60℃（50℃） 区1 240～280℃（250℃） 区2 280～300℃（280℃）' i) T$ J# j: b2 m" n. g, G 区3 280～300℃（280℃）) w3 A* H; b$ l% y 区4 280～300℃（280℃）5 h9 A5 _9 o' Dm1 H 区5 280～300℃（280℃, ）(. l5 y! A1 l1 _3 C- F! ` nozzle 280～300℃（280℃）熔 material temperature degree 270～290℃ material temperature 200℃ injection molding parts mold temperature degree 80～120℃ injection pressure 100～140MPa（1000～1400bar） holding pressure pressure injection pressure 40％～60％ back pressure 3～10MPa（30～100bar）9 V! s1 z; y! d+ ^. w& e$ @ injection speed degree has long runner products need fast speed injection; in 此情况 lower, ensure injection molding parts mold has 足够 通 gas property screw speed in and other screw speed, combined speed degree is 0.6m/s) `1 S, M1?' x6 V计 amount in and other screw speed, combined speed degree is 0.6m/s& L* B- B# R2 l9 kH: @3 L计 amount 行程 （0.5～3.5）D残 material amount 3～6mm, 取决于计 amount and screw 直径3 ~6 b* n(^3 b! N6 F. J, j预烘 dry in 110℃ temperature degree lower dry 2h! K" C$ f6 W5 O4 y9 B$ u recycling rate material can recycled processing, need material has thermal degradation shrinkage rate 0.8％～1.5％- j) _3 M1 g0 m, r, C gate system for small products use or 潜伏式 gate, using/adopting gate or sheet/slice gate; can using/adopting hot runner machine 停工时段 关闭 add hot system; low screw back pressure lower, as 几次计 amount ring, as extrusion machine 一样清空 material 筒8 R(L4 D9 ]M& e6 j{ material equipment standards screw, ring, nozzle, ）(. l5 y! A1 l1 _3 C- F! ` nozzle 280～300℃（280℃）熔 material temperature degree 270～290℃ material temperature 200℃ injection molding parts mold temperature degree 80～120℃ injection pressure 100～140MPa（1000～1400bar） holding pressure pressure injection pressure 40％～60％ back pressure 3～10MPa（30～100bar）9 V! s1 z; y! d+ ^. w& e$ @ injection speed degree has long runner products need fast speed injection; in 此情况 lower, ensure injection molding parts mold has 足够 通 gas property screw speed in and other screw speed, combined speed degree is 0.6m/s) `1 S, M1?' x6 V计 amount in and other screw speed, combined speed degree is 0.6m/s& L* B- B# R2 l9 kH: @3 L计 amount 行程 （0.5～3.5）D残 material amount 3～6mm, 取决于计 amount and screw 直径3 ~6 b* n(^3 b! N6 F. J, j预烘 dry in 110℃ temperature degree lower dry 2h! K" C$ f6 W5 O4 y9 B$ u recycling rate material can recycled processing, need material has thermal degradation shrinkage rate 0.8％～1.5％- j) _3 M1 g0 m, r, C gate system for small products use or 潜伏式 gate, using/adopting gate or sheet/slice gate; can using/adopting hot runner machine 停工时段 关闭 add hot system; low screw back pressure lower, as 几次计 amount ring, as extrusion machine 一样清空 material 筒8 R(L4 D9 ]M& e6 j{ material equipment standards screw, ring, nozzle, ）(. l5 y! A1 l1 _3 C- F! ` nozzle 280～300℃（280℃）熔 material temperature degree 270～290℃ material temperature 200℃ injection molding parts mold temperature degree 80～120℃ injection pressure 100～140MPa（1000～1400bar） holding pressure pressure injection pressure 40％～60％ back pressure 3～10MPa（30～100bar）9 V! s1 z; y! d+ ^. w& e$ @ injection speed degree has long runner products need fast speed injection; in 此情况 lower, ensure injection molding parts mold has 足够 通 gas property screw speed in and other screw speed, combined speed degree is 0.6m/s) `1 S, M1?' x6 V计 amount in and other screw speed, combined speed degree is 0.6m/s& L* B- B# R2 l9 kH: @3 L计 amount 行程 （0.5～3.5）D残 material amount 3～6mm, 取决于计 amount and screw 直径3 ~6 b* n(^3 b! N6 F. J, j预烘 dry in 110℃ temperature degree lower dry 2h! K" C$ f6 W5 O4 y9 B$ u recycling rate material can recycled processing, need material has thermal degradation shrinkage rate 0.8％～1.5％- j) _3 M1 g0 m, r, C gate system for small products use or 潜伏式 gate, using/adopting gate or sheet/slice gate; can using/adopting hot runner machine 停工时段 关闭 add hot system; low screw back pressure lower, as 几次计 amount ring, as extrusion machine 一样清空 material 筒8 R(L4 D9 ]M& e6 j{ material equipment standards screw, ring, nozzle