Manufacturing Lacture for Mechanical engineers.pptx

manufacturing

1. PC(ME)-601: Manufacturing Technology Lecture 1: Introduction to the Course, Mould and Die Design, Press Tool and Cutting Tool By: Dr. Manish Mukhopadhyay Assistant Professor Meghnad Saha Institute of Technology

2. Syllabus (For My Part) Pre-Requisites: Primary Manufacturing Processes

3. Course Objectives (For my part) To UNDERSTAND about the design considerations for Moulds, Dies, Press Tools and Cutting Tools. To UNDERSTAND about the Science and Tools of Measurement and Inspection in Manufacturing. To UNDERSTAND about the Assembly Practices in Manufacturing Industry.

4. Reference Books S. Kalpakjian and S.R. Schmid, Manufacturing Processes for Engineering Materials Engineering Metrology and Measurements- N. V. Raghavendra M.P. Grover, Fundamentals of Modern Manufacturing, 3rd Edition, Wiley

5. Mould and Casting A mould is used in CASTING process. What is Casting?

6. Sand Mould Casting

7. What is Moulding Molding is the act of creating the cavity / form that carries a negative or reverse impression of an original model. Types of Moulds: Expendable moulds Permanent moulds Composite moulds Permanent moulds: Die Casting Expendable moulds: Green Sand Casting

8. Considerations for Mould Design Shape Easy Removal Surface Finish Weight, Surface Area and Thickness Production Quantity Type of casting Material of mould and pattern Environmental Factors Economy Innovation

9. Die Casting

10. Considerations for Die Design Construction Consideration Selection of suitable alloy Cost of material Surface Quality Environment Innovation

11. Press Tool

12. Press Tool

13. Requirement of a Press Tool Design Thickness of the component Power Requirement Kind of operation Number of operation Overall work size Speed of operation Type of work material

14. Cutting Tool Used in subtractive manufacturing or Machining

15. Machining

16. Considerations for Cutting Tool Design Rigidity Strength Structural weakness Force Limitations Temperature Limitations Chip Disposal Avoid Chatter Fewer teeth, higher velocity Consider negative rake angle Workpiece Material Special Arrangements

17. End of Lecture 1