注塑模具冷卻系統(tǒng)設(shè)計原則與Moldflow

1、2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻系統(tǒng)設(shè)計的重要性2002 Cradle Technology GroupTa

2、i Dao Computer Co.,Ltd./Arthur Chen冷卻系統(tǒng)設(shè)計的重要性2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen注射時間保壓時間冷卻時間開模時間v 循環(huán)時間: 通常，循環(huán)時間是產(chǎn)品的溫度降到能安全頂出的溫度所花的時間。如果充填和保壓過程都是優(yōu)化的，改善冷卻行為可以顯著地減小冷卻時間。因為冷卻時間通常包括80%的循環(huán)時間，所以減小冷卻時間會顯著減小循環(huán)時間和生產(chǎn)成本。and Packing冷卻系統(tǒng)設(shè)計的重要性2002 Cradle Technology GroupTai Dao Compu

3、ter Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻系統(tǒng)的構(gòu)成及類型2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chenv 并聯(lián)水路 優(yōu)點 適用于入子四周 低壓下可達(dá)高流速 缺點 各分支流速不一樣 各分支冷卻效果不佳 易產(chǎn)生污垢 冷卻系統(tǒng)的構(gòu)成及類型2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen直線式圓管直

4、線式方管冷卻系統(tǒng)的構(gòu)成及類型2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen圓形彎管方形彎管冷卻系統(tǒng)的構(gòu)成及類型2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen擋板(Baffle)噴泉(Bubbler)冷卻系統(tǒng)的構(gòu)成及類型2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen吸熱管(Thermal Pin)冷卻系統(tǒng)的構(gòu)成及類型2002 Cradle Tech

5、nology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen熱量由熔融塑料帶入熱量由熔融塑料帶入熱量從冷卻水路傳入或傳出熱量從冷卻水路傳入或傳出輻射散熱輻射散熱對流散熱對流散熱熱量散失到模板上熱量散失到模板上冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻理論分析2002 Cradle Technology GroupTai Dao

6、 Computer Co.,Ltd./Arthur Chen冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur ChenMaterial Thermal Conductivity W/m/deg K Specific Heat J/kg/degK Density Kg/m3 Aluminum 221.9 920 2699 P20 29 460 7800 CarbSt 41.

7、9 460 7833 BeCu 130 420 8415 420 ss 24.9 401.7 7750 H-13 28.2 454.7 7750 C17200 (BeCu) 105 380 8350 C17510 (BeCu0) 245 380 8820 C18000 (NiSiCrCu) 207.6 404 8580 冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen這里， 為冷卻液密度，U 為冷卻液平均流速，d 為冷卻水管直徑， 為冷卻液動態(tài)粘度。冷卻理論分析2002 Cradle Technolo

8、gy GroupTai Dao Computer Co.,Ltd./Arthur Chen層流的溫度梯度雷諾數(shù) 230063 C43 C23 C20 C塑料塑料金屬界面冷卻液金屬界面冷卻液溫度梯度冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./

9、Arthur Chen或冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen厚2mm、長200mm的產(chǎn)品，以推薦的料溫及1秒時間注射冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen熱的一邊冷的一邊張應(yīng)力凝固和收縮冷的一邊熱的一邊冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen熱集中在公模的角落熱的角落(相對于凝固部分的收

10、縮，引起翹曲)Cavity冷Core熱冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen快速冷卻，低結(jié)晶度，低收縮率慢速冷卻，高結(jié)晶度，高收縮率冷卻理論分析2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻水路設(shè)計要點2002 Cradle Technology GroupTai Dao Co

11、mputer Co.,Ltd./Arthur Chen冷卻水路設(shè)計要點2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻水路設(shè)計要點2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur ChenCInOutInOutAInOutBInOut冷卻水路設(shè)計要點2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻水路設(shè)計要點2002 Cradle Technology

12、GroupTai Dao Computer Co.,Ltd./Arthur ChenINOUTPoor!PinBlade冷卻水路設(shè)計要點2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur ChenINCorrect!OUTPinTube冷卻水路設(shè)計要點2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen結(jié)合Moldflo

13、w分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen塑膠材料： ABS/PC CYCOLOY C2950 GE USA 最大外型尺寸 31425132平均肉厚為1.6mm 結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur ChenCas

14、e1Case2結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur ChenCase1Case2結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen潛伏式澆口原始冷卻水路設(shè)計 結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen0.891.01Case1Case2結(jié)合Mol

15、dflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen120.9129.2Case1Case2結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen266.2280.6271.1279.7Case1Case2結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen0.430.430

16、.860.530.531.06Case1Case2結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen0.280.310.280.31Case1Case2結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen設(shè)變冷

17、卻水路(Case3) 原始冷卻水路(Case1) 結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen6565.16565.4Case1Case3結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2.4-5.960.36-6.57Case1Case3結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer

18、Co.,Ltd./Arthur Chen0.890.89Case1Case3結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen120.9120.9Case1Case3結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen266.2280.6266.2280.6Case1Case3結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai

19、 Dao Computer Co.,Ltd./Arthur Chen0.430.430.320.320.860.64Case1Case3結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen0.280.240.28Case10.24Case3結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur ChenX向(外張)Z向(上翹)結(jié)合Moldflow分析的設(shè)計案例2002 Cradle T

20、echnology GroupTai Dao Computer Co.,Ltd./Arthur Chen結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen冷卻水溫保壓曲線T(sec)P(MPa)901.53.513.50結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen6565.45065.1Case3Case4結(jié)合Moldflow分析的設(shè)計案例2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arth