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Stepped guidelines are supplied for the design of molds, from product drawing to complete mold assembly. Emphasis is given to the relationship between mold performance, productivity, and mold life.
Contents: Mold Engineering. Basic Mold Functions. Requirements. General Guidelines. Plastics Identification. Layout. Molding Operation Sequences. Shrinkage. Surface Tolerances. Gates and Runners. Venting. Ejection. Cooling. Heat Expansion. Stack Molds. Materials Specifications. Plates. Metal Fatigue. Screws. Parts Handling. Air and Oil Hydraulic Actuators. Rules and Calculations for Designers. Mold Performance and Life. Frequent Questions. Cycle Time. Wall Thickness. Product Size and Shape. Crystallinity. Forces. Preload. Wear and Lubrication. Hobbing-In of Parts.
Reviews: "... directed at injection molding of thermoplastics ... the molding issues described are also relevant for other types of molding operations, including blow molding and molding of thermosets." IEEE Electrical Insulation Magazine
"thorough excellent." Injection Moulding International
List of contents
Summary of contents:
1. Introduction to Mold Engineering
2. Basic Mold Functions
3. Mold Requirements
4. General Mold Design Guidelines
5. Plastics Identification
6. Mold Layout
7. Molding Operation Sequences
8. Plastic Shrinkage
9. Mold Surface Tolerances
10. Gates and Runners
11. Venting
12. Ejection
13. Mold Cooling
14. Heat Expansion
15. Stack Molds
16. Mold Materials Specifications
17. Mold Plates
18. Metal Fatigue
19. Screws in Molds
20. Mold and Mold Parts Handling
21. Air and Oil-Hydraulic Actuators
22. Rules and Calculations for Designers
23. Mold Performance and Mold Life
24. Frequently Asked Questions About Mold Performance
25. Cycle Time
26. Wall Thickness
27. Product Size and Shape
28. Crystallinity
29. Mold Forces
30. Preload
31. Wear and Lubrication
32. Hobbing-In of Mold Parts
About the author
Herbert Rees (d. 2010) was Vice President of R&D at Husky Injection Molding Systems. He is author of several books in the area of injection molds and molding, including “Mold Engineering”, “Understanding Injection Mold Design”, “Understanding Product Design for Injection Molding”, and “Selecting Injection Molds”.
Summary
Stepped guidelines are supplied for the design of molds, from product drawing to complete mold assembly. Emphasis is given to the relationship between mold performance, productivity, and mold life.
Contents: Mold Engineering. Basic Mold Functions. Requirements. General Guidelines. Plastics Identification. Layout. Molding Operation Sequences. Shrinkage. Surface Tolerances. Gates and Runners. Venting. Ejection. Cooling. Heat Expansion. Stack Molds. Materials Specifications. Plates. Metal Fatigue. Screws. Parts Handling. Air and Oil Hydraulic Actuators. Rules and Calculations for Designers. Mold Performance and Life. Frequent Questions. Cycle Time. Wall Thickness. Product Size and Shape. Crystallinity. Forces. Preload. Wear and Lubrication. Hobbing-In of Parts.
Reviews: "... directed at injection molding of thermoplastics ... the molding issues described are also relevant for other types of molding operations, including blow molding and molding of thermosets." IEEE Electrical Insulation Magazine
"thorough... excellent." Injection Moulding International
