塑料成型工艺及注塑模具设计专业英语PDF电子书下载

Introduction 1

1 Injection Molding Plastics注射成型用塑料 2

1.1 Polymers高聚物 2

1.1.1 Configuration of Polymers高聚物的结构 3

1.1.2 Architecture of Thermoplastic Polymers热塑性塑料的结构 5

1.1.3 Thermal Behavior of Polymers高聚物的热性能 6

1.2 Plastic Material塑料 9

1.2.1 Composition of Plastics塑料的组成 9

1.2.2 Classification塑料的分类 10

1.2.3 Thermoplastics and Thermosetting Polymers热塑性塑料与热固性塑料 11

1.3 Thermoplastic Elastomer热塑性弹性体 23

1.3.1 Essential Characteristics of Thermoplastic Elastomers热塑性弹性体的特性 24

1.3.2 Types of Thermoplastic Elastomer热塑性弹性体的种类 24

1.3.3 Processing of Thermoplastic Elastomer热塑性弹性体的成型 25

1.4 Injection Molding Shrinkage注射成型过程中塑料的收缩 25

1.5 Crystallization of Polymers高聚物的结晶 27

1.5.1 Crystallizability of Polymers高聚物的结晶性 27

1.5.2 Effect of Polymer Structure on Crystalline高聚物结构对结晶性的影响 28

1.5.3 The Degree of Crystallization结晶度 29

1.5.4 Properties of Crystalline Polymers结晶高聚物的特性 31

1.6 Drying Plastic Material原料的干燥 32

思考与练习 33

专题讨论 34

“嵌入”式课题 34

2 Workpiece Design for Injection Molding注塑成型的制品设计 35

2.1 Draft Angle脱模斜度 36

2.2 Nominal Wall Thickness公称壁厚 37

2.3 Ribs， Bosses and Gusset Design加强筋、凸台、角支承的设计 40

2.4 Radiusing the Workpiece圆角过渡 44

2.5 Hole Design孔的设计 45

2.6 Undercuts Design侧孔与侧凹 49

2.7 Lip and Bearing Face Design边框和支承面的设计 53

2.8 Thread Design螺纹的设计 54

2.9 Inserts Design嵌件的设计 61

2.10 Design of Letters and Decorative Pattern塑料制品上的文字及图案的设计 66

2.11 Hinge Design塑料制品上铰链的设计 68

2.12 Gear Design齿轮设计 69

2.13 Designing with Weld Lines有熔合痕的塑料制品的设计 70

思考与练习 71

专题讨论 71

“嵌入”式课题 72

3 Injector and Typical Structure of Injection Molds注射机及典型模具结构 73

3.1 Injector Styles注塑机的形式 74

3.2 Injection Molding Process注塑过程 79

3.2.1 Plasticizing and Injection System塑化及注射系统 80

3.2.2 Clamping System合模系统 84

3.2.3 Ejecting Unit推出机构 86

3.2.4 Electric and Hydraulic Control System电液控制系统 87

3.3 Typical Structure of Injection Molds典型模具结构 87

3.3.1 Technical Terminology of Injection Mold注射模具零件的专业名称 88

3.3.2 Classification According to the Number of Molds Parting-line根据分型面的数量分类 89

3.3.3 Classification According to Structure of Molds根据模具结构分类 93

思考与练习 99

专题讨论 99

“嵌入”式课题一 99

“嵌入”式课题二 99

4 Runner System of Injection Molds注射模具的浇注系统 100

4.1 Rheology of Runner System浇注系统的流变学 101

4.1.1 Newtonian Fluids牛顿流体 101

4.1.2 Ostwald-de Waele Relationship奥斯特瓦尔德-德沃尔幂律关系 101

4.1.3 Pseudoplastic Fluids假塑性流体 102

4.1.4 Dilatant Fluid膨胀流体 103

4.1.5 Rheology of Runner System浇注系统中的流变学 103

4.2 The Runner System浇注系统 104

4.2.1 Sprue主浇道 105

4.2.2 Cold Slug Well冷料穴 106

4.2.3 Cold Runner Systems冷浇道浇注系统中分浇道的设计 107

4.2.4 Hot Runner Systems热流道浇注系统中分浇道的设计 110

4.3 The Gates and Design浇口的设计 114

4.3.1 Pinpoint Gate点浇口 114

4.3.2 Submarine Gate （Tunnel Gate）潜伏式浇口 116

4.3.3 Edge Gate侧浇口 117

4.3.4 Fan Gates扇形浇口 119

4.3.5 Flash Gate （Wide Inlet）平缝式浇口 120

4.3.6 Ring Gate and Diaphragm Gate环状浇口与盘状浇口 120

4.3.7 Umbrella Gate轮辐式浇口 122

4.3.8 Unguiculate Gate爪形浇口 123

4.3.9 Tab Gates护耳式浇口 123

4.3.10 Direct Gate （Sprue Gate）直接浇口 124

4.3.11 Multiple Gates （Multi-gate）多浇口 127

4.4 Dimension of Runner System and Location Gate浇注系统尺寸及浇口位置 127

4.4.1 Dimension of Runner System浇注系统的尺寸 127

4.4.2 Location and Type of Gate浇口位置和形式的选择 128

思考与练习 134

专题讨论 135

“嵌入”式课题 135

5 Forming Parts of Injection Molds成型零件的设计 136

5.1 The Projected Area and Clamping Force投影面积和锁模力 136

5.2 The Shape and Position of Parting Line分型面的形状及位置 137

5.2.1 The Shape of Parting Line分型面的形状 137

5.2.2 The Position of Parting Line分型面的位置 137

5.3 Arrangement of Cavities in the Mold型腔布置 140

5.4 Venting in the Injection Mold排气槽的设计 142

5.5 Mold Wear模具的磨损 143

5.6 Mold Temperature Control注射模具的温度控制 144

5.6.1 Cooling Line Positioning冷却水孔的位置 146

5.6.2 Cooling Channel Schemes冷却水道 147

思考与练习 148

专题讨论 148

“嵌入”式课题 148

6 Guider and Ejector of Injection Molds注射模的导向与推出机构 149

6.1 Methods for Guiding Injection Molds注射模的导向方式 149

6.2 Design of Residual Material Retaining and Ejecting Elements浇注系统凝料的推出及推出零件 152

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 152

6.2.2 Ejecting Residual Material from Three-Plate Mold三板式模具中凝料的推出 155

6.3 WorkpieceEjection Systems制品的推出机构 159

6.3.1 ConventionalEjector简单推出机构 159

6.3.2 Two-stepEjection Systems二级推出机构 168

6.3.3 Ejection in Opposite Direction双向推出机构 177

6.3.4 Injection Mold Opening Sequence （along Two Planes）顺序推出机构 181

6.3.5 Unscrewing of the Thread-forming Workpiece带螺纹制品的推出 186

思考与练习 196

专题讨论 196

“嵌入”式课题 197

7 Molds with Undercut-forming Side Inserts侧向分型抽芯机构 198

7.1 Manual Actuation of Undercut-forming Side Inserts手动抽芯机构 198

7.1.1 Pulling out the Undercut-forming Pin by an Eccentric Disc利用偏心轮抽芯 199

7.1.2 Pulling out the Side Pins by a Spindle手动旋转螺纹芯轴实现抽芯 199

7.2 Automatic Actuation of Undercut-forming Side Inserts机动抽芯机构 200

7.2.1 Undercut-forming Side Inserts with the Inclined Guide Pin斜导柱-滑块抽芯机构 200

7.2.2 Actuation of Undercut-forming Side Insert by a Guide Bar弯销-滑块抽芯机构 209

7.2.3 Cam within Groove and Slider斜导槽-滑块抽芯机构 211

7.2.4 Wedge Inserts斜滑块抽芯机构 212

7.2.5 Actuation of Undercut-forming Side Insetrs by the Gear and Rack齿轮-齿条抽芯机构 220

7.2.6 Undercut-forming Side Inserts with Pneumatic or Hydraulic Cylinders液压或气动抽芯机构 222

思考与练习 223

专题讨论 223

“嵌入”式课题 223

8 Injection Molding Problems and Solutions成型中的问题及应对措施 224

8.1 Nozzle Drool流延 224

8.2 Nozzle or Hot Tip Freeze-off喷嘴的冻结 225

8.3 Blush at the Gate浇口痕迹 225

8.4 Brittleness of Workpieces脆裂 225

8.5 Burn Marks烧焦痕 227

8.6 Delamination分层 227

8.7 Dimensional Stability尺寸稳定性 228

8.8 Ejector Pin Push Marks顶出痕 229

8.9 Flashing溢边（溢料） 230

8.10 Gloss光泽 231

8.11 Jetting喷射痕 232

8.12 Short Shot欠注 232

8.13 Sink Marks缩痕、凹陷 232

8.14 Splay Marks银丝 234

8.15 Voids孔洞 234

8.16 Warpage翘曲 235

8.17 Weld or Knit Lines熔合痕 236

思考与练习 236

专题讨论 236

“嵌入”式课题一 236

“嵌入”式课题二 237

相关专业词汇 238

参考文献 265