Introduction

1 Injection Molding Plastics注射成型用塑料

1.1 Polymers高聚物

1.1.1 Configuration of Polymers高聚物的结构

1.1.2 Architecture of Thermoplastic Polymers热塑性塑料的结构

1.1.3 Thermal Behavior of Polymers高聚物的热性能

1.2 Plastic Material塑料

1.2.1 Composition of Plastics塑料的组成

1.2.2 Classification塑料的分类

1.2.3 Thermoplastics and Thermosetting Polymers热塑性塑料与热固性塑料

1.3 Thermoplastic Elastomer热塑性弹性体

1.3.1 Essential Characteristics of Thermoplastic Elastomers热塑性弹性体的特性

1.3.2 Types of Thermoplastic Elastomer热塑性弹性体的种类

1.3.3 Processing of Thermoplastic Elastomer热塑性弹性体的成型

1.4 Injection Molding Shrinkage注射成型过程中塑料的收缩

1.5 Crystallization of Polymers高聚物的结晶

1.5.1 Crystallizability of Polymers高聚物的结晶性

1.5.2 Effect of Polymer Structure on Crystalline高聚物结构对结晶性的影响

1.5.3 The Degree of Crystallization结晶度

1.5.4 Properties of Crystalline Polymers结晶高聚物的特性

1.6 Drying Plastic Material原料的干燥

思考与练习

专题讨论

"嵌入"式课题

2 Workpiece Design for Injection Molding注塑成型的制品设计

2.1 Draft Angle脱模斜度

2.2 Nominal Wall Thickness公称壁厚

2.3 Ribs, Bosses and Gusset Design加强筋、凸台、角支承的设计

2.4 Radiusing the Workpiece圆角过渡

2.5 Hole Design孔的设计

2.6 Undercuts Design侧孔与侧凹

2.7 Lip and Bearing Face Design边框和支承面的设计

2.8 Thread Design螺纹的设计

2.9 Inserts Design嵌件的设计

2.10 Design of Letters and Decorative Pattern塑料制品上的文字及图案的设计

2.11 Hinge Design塑料制品上铰链的设计

2.12 Gear Design齿轮设计

2.13 Designing with Weld Lines有熔合痕的塑料制品的设计

思考与练习

专题讨论

"嵌入"式课题

3 Injector and Typical Structure of Injection Molds注射机及典型模具结构

3.1 Injector Styles注塑机的形式

3.2 Injection Molding Process注塑过程

3.2.1 Plasticizing and Injection System塑化及注射系统

3.2.2 Clamping System合模系统

3.2.3 Ejecting Unit推出机构

3.2.4 Electric and Hydraulic Control System电液控制系统

3.3 Typical Structure of Injection Molds典型模具结构

3.3.1 Technical Terminology of Injection Mold注射模具零件的专业名称

3.3.2 Classification According to the Number of Molds Parting-line根据分型面的数量分类

3.3.3 Classification According to Structure of Molds根据模具结构分类

思考与练习

专题讨论

"嵌入"式课题一

"嵌入"式课题二

4 Runner System of Injection Molds注射模具的浇注系统

4.1 Rheology of Runner System浇注系统的流变学

4.1.1 Newtonian Fluids牛顿流体

4.1.2 Ostwald-de Waele Relationship奥斯特瓦尔德-德沃尔幂律关系

4.1.3 Pseudoplastic Fluids假塑性流体

4.1.4 Dilatant Fluid膨胀流体

4.1.5 Rheology of Runner System浇注系统中的流变学

4.2 The Runner System浇注系统

4.2.1 Sprue主浇道

4.2.2 Cold Slug Well冷料穴

4.2.3 Cold Runner Systems冷浇道浇注系统中分浇道的设计

4.2.4 Hot Runner Systems热流道浇注系统中分浇道的设计

4.3 The Gates and Design浇口的设计

4.3.1 Pinpoint Gate点浇口

4.3.2 Submarine Gate (Tunnel Gate) 潜伏式浇口

4.3.3 Edge Gate侧浇口

4.3.4 Fan Gates扇形浇口

4.3.5 Flash Gate (Wide Inlet) 平缝式浇口

4.3.6 Ring Gate and Diaphragm Gate环状浇口与盘状浇口

4.3.7 Umbrella Gate轮辐式浇口

4.3.8 Unguiculate Gate爪形浇口

4.3.9 Tab Gates护耳式浇口

4.3.10 Direct Gate (Sprue Gate) 直接浇口

4.3.11 Multiple Gates (Multi-gate) 多浇口

4.4 Dimension of Runner System and Location Gate浇注系统尺寸及浇口位置

4.4.1 Dimension of Runner System浇注系统的尺寸

4.4.2 Location and Type of Gate浇口位置和形式的选择

思考与练习

专题讨论

"嵌入"式课题

5 Forming Parts of Injection Molds成型零件的设计

5.1 The Projected Area and Clamping Force投影面积和锁模力

5.2 The Shape and Position of Parting Line分型面的形状及位置

5.2.1 The Shape of Parting Line分型面的形状

5.2.2 The Position of Parting Line分型面的位置

5.3 Arrangement of Cavities in the Mold型腔布置

5.4 Venting in the Injection Mold排气槽的设计

5.5 Mold Wear模具的磨损

5.6 Mold Temperature Control注射模具的温度控制

5.6.1 Cooling Line Positioning冷却水孔的位置

5.6.2 Cooling Channel Schemes冷却水道

思考与练习

专题讨论

"嵌入"式课题

6 Guider and Ejector of Injection Molds注射模的导向与推出机构

6.1 Methods for Guiding Injection Molds注射模的导向方式

6.2 Design of Residual Material Retaining and Ejecting Elements浇注系统凝料的推出及推出零件

6.2.1 Ejecting Residual from Two-Plate Mold两板式模具结构中浇注系统凝料的推出

6.2.2 Ejecting Residual Material from Three-Plate Mold三板式模具中凝料的推出

6.3 Workpiece Ejection Systems制品的推出机构

6.3.1 Conventional Ejector简单推出机构

6.3.2 Two-step Ejection Systems二级推出机构

6.3.3 Ejection in Opposite Direction双向推出机构

6.3.4 Injection Mold Opening Sequence (along Two Planes) 顺序推出机构

6.3.5 Unscrewing of the Thread-forming Workpiece带螺纹制品的推出

思考与练习

专题讨论

"嵌入"式课题

7 Molds with Undercut-forming Side Inserts侧向分型抽芯机构

7.1 Manual Actuation of Undercut-forming Side Inserts手动抽芯机构

7.1.1 Pulling out the Undercut-forming Pin by an Eccentric Disc利用偏心轮抽芯

7.1.2 Pulling out the Side Pins by a Spindle手动旋转螺纹芯轴实现抽芯

7.2 Automatic Actuation of Undercut-forming Side Inserts机动抽芯机构

7.2.1 Undercut-forming Side Inserts with the Inclined Guide Pin斜导柱-滑块抽芯机构

7.2.2 Actuation of Undercut-forming Side Insert by a Guide Bar弯销-滑块抽芯机构

7.2.3 Cam within Groove and Slider斜导槽-滑块抽芯机构

7.2.4 Wedge Inserts斜滑块抽芯机构

7.2.5 Actuation of Undercut-forming Side Inserts by the Gear and Rack齿轮-齿条抽芯机构

7.2.6 Undercut-forming Side Inserts with Pneumatic or Hydraulic Cylinders液压或气动抽芯机构

思考与练习

专题讨论

"嵌入"式课题

8 Injection Molding Problems and Solutions成型中的问题及应对措施

8.1 Nozzle Drool流延

8.2 Nozzle or Hot Tip Freeze-off喷嘴的冻结

8.3 Blush at the Gate浇口痕迹

8.4 Brittleness of Workpieces脆裂

8.5 Burn Marks烧焦痕

8.6 Delamination分层

8.7 Dimensional Stability尺寸稳定性

8.8 Ejector Pin Push Marks顶出痕

8.9 Flashing溢边(溢料)

8.10 Gloss光泽

8.11 Jetting喷射痕

8.12 Short Shot欠注

8.13 Sink Marks缩痕、凹陷

8.14 Splay Marks银丝

8.15 Voids孔洞

8.16 Warpage翘曲

8.17 Weld or Knit Lines熔合痕

思考与练习

专题讨论

"嵌入"式课题一

"嵌入"式课题二

相关专业词汇

参考文献