Calculation and Explanations Remarks Page 1 Contents Foreword Introduction 1. Technical Analysis of Plastic Parts ........................... ...... ............ 1 1.1 Characteristics of Plastic Parts ................................... ...... 2 1.2 Forming properties of plastic materials ........................... 4 2. Forming parameters of plastic parts ................................... 4 3. Basic structure and mold Rack Selection .............................. 6 3.1 Basic Structure of the Mold ............................................. 6 (2) Select the Mold Distance .............................. ........................ 10 4. Structural Design Calculation of Mold ................................. 11 (1) Cavity Structure ................................................ ... 11 (2) Heart structure ......................................................... 12 (3) Guide column, slider structure ....................................... ...... 12 (4) Mold guide mechanism ...................................................... 12 5. Mold forming dimension design calculation ................................. 12 6. Mold heating,
Cooling system ................................. 15 7. Determination of the thick wall of the cavity .................................................... 16 8. Determination of cold material point and pull rod ... ........................ ...... 17 9. Exhaust design ................................................... 17 10. Structure of mold forming part .............................. ... 16 11.
Injection Machine Parameter ............................................. 18 Calculation and Explanations Remark Page 2 12. Mold Forming Part Working Size Factor Considerations ........................ 20 13. Part Stiffness and Strength Nuclear ................................ 22 14. Mold assembly drawing and mold assembly test mold ........................ 23 14.1.1 Preparation before test mold ............ ............ ............... 2 6 14.1.2 Mold Installation and Commissioning ...... ........................... 2 6 14.1.3 Mold Test ................................................. 2 8 14.1.4 Inspection .................................................................... 3 1 Calculation and Description Remarks Page 3 Design of Injection Molding of Hex Nuts 1. Forming Process of Plastic Parts Analysis of Plastic Parts Figure 1.1 Product Name: Hex Nut Product Material: Reinforced PA