[Basics of Injection Molding] (Trial Version)
This trial version can use only a part of item.
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Types of molds | Casting mold, Forging, Press mold, Die cast mold, Plastic mold [EXERCISE] Types of molds |
Injection molding | Closing mold, Nozzle seating, Cooling, Mold opening [EXERCISE] Injection Movement of injection molding | |
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Structure of Molds | Two plate mold , Three plate mold, Runnerless mold [EXERCISE] Names of mold structure |
Function of major parts | Common parts, Ejector, Mold base, Slide core, Loose core [EXERCISE] Common parts, Ejector, Mold base, Slide core, Loose core | |
Movement of Mold | Opening mold (start), Opening mold (Complete) , Ejecting part (start), Ejecting part (Complete), Ejecting part , closing mold (start), Closing mold (Complete), One cycle [EXERCISE] Sequence of mold movement | |
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Cavity and Core | Cavity and Core, Type of insert, Making Inserts, Position of Inserts [EXERCISE] Type of Inserts |
Runner System | Runner , Gate, Parts of Sprue [EXERCISE] Shapes of Runner, Name of Gate | |
Undercut Process | Outer Slide Core Method, Inner Slide, Hydraulic Cylinder Method [EXERCISE] Slide Core Setting, Loose Core Setting, Hydraulic Cylinder Calculation | |
Ejecting Parts | Pin Ejection, Sleeve Pin Ejection, Stripper Plate Ejection, Compressed Air Ejection, Two-Stage Ejection, Hydraulic Ejection, Ejector Plate [EXERCISE] Type of Ejection, Selecting Ejector Plate Ejection Spring 1, Selecting Ejector Plate Ejection Spring 2, Selecting Gas Spring | |
Mold Cooling | Position of Cooling Channel , Cavity Cooling, Core Cooling [EXERCISE] Core Cooling Method | |
Degassing and Air Venting | What is degassing and Air Venting?, Design of Degassing and Air Venting [EXERCISE] Defect by Degassing and Air Venting | |
Considering Mold Dimension | Mold Dimension , Possibility of Part Removal, Ejector Rod Position [EXERCISE] Mold Dimension | |
Determining Material of Mold | Material Criteria, Types and Use of Material of Mold, Heat Treatment of Material [EXERCISE] Types for Material of Mold | |
[Appendix] Mold for Screw Thread Forming |
Type of Screw, Molding Inner Screw, Positioning of Rotating Screw, Molding Outer Screw [EXERCISE] Name of Screw Thread Molding | |
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Quality of Molded Parts | Quality of Molded Parts, Molding Process, How to improve the Quality? [EXERCISE] Quality of Molded Parts |
Dimension of Parts | Part Shrinkage Rate, Draft Angle, Flow Path Ratio [EXERCISE] Calculation of Part Shrinkage, Flow Path Ratio | |
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Installation of Mold | Mold Installation , Mold Installation Steps, Mold installation Bolt [EXERCISE] Mold Installation Steps |
Setting Molding Condition | Injection Condition, Temperature Condition, Ejection Condition [EXERCISE] Caution for molding condition | |
Mechanical Structure of Molding Machine | Injection device, Clamping device, Force and Transferring System, Electric Control device [EXERCISE] Calculation of Clamping Force | |
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Type of Plastic | Thermoplastic, Thermosetting Plastic, Difference between crystalline plastic and non-crystalline plastic [EXERCISE] Type of Plastic |
Property of Plastics | Property of Plastic, Characteristics of Molding material in processing [EXERCISE] Property of Plastic | |
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Molding problems and Solution | Sink Mark , Warp, Whitening, Weld line, Flash, Incomplete Filling, Jetting, Flow Mark [EXERCISE] Cause and Solution of Molding Problems |
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Proper Steel for major resin, Part Shrinkage rate, L/T (Flow Path Ratio) target, Tie Bar Distance, Mold Installation Bolt and the Clamping Force, Pressure inside cavity of Plastics, Molding Temperature, Comparison between direct pressure system & toggle system Examples of use of plastic material, Fusion point and Solidification temperature for each resin , Property of plastic |
Alphabetic Order - Itemized Order |
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List of Reference