32072: Press Tools Mechanical 5th Sem Syllabus for Diploma TNDTE M Scheme

Press Tools detail syllabus for Mechanical Engineering (107), M scheme is taken from TNDTE official website and presented for diploma students. The course code (32072), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below.

For all other mechanical 5th sem syllabus for diploma m scheme tndte you can visit Mechanical 5th Sem Syllabus for Diploma M Scheme TNDTE Subjects. For all other Elective Theory I subjects do refer to Elective Theory I. The detail syllabus for press tools is as follows.

Rationale:

Press working plays a vital role in the metal forming process. The study about the operations in the press work is important method of manufacturing.

Objectives:

• Explain the fundamentals of press working, to be familiar with the various press working operations and machines.
• Appreciate the safety practices in press working operations.
• Explain with the various press and press tool accessories
• Compare the different types of Die construction.
• Explain the various bending, forming and other miscellaneous press working operations.
• Demonstrate about the construction and operation of the different bending dies.
• Define the various drawing and other related processes
• Explain the construction and operating principle of drawing and combination dies.
• Explain the basic concepts and the advantages of fine blanking process
• Demonstrate the construction and working principle of various fine blanking dies.
• Appreciate the concepts of SMED and quick die changes and its advantages in bringing down the press set up time.
• Troubleshoot in various press tools.

Unit 1

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Unit 2

Press & Press Tool Accessories And Cutting Dies

Press Feeding Mechanisms – Uncoilers, Straighteners and recoilers, Hand feed, hitch/grip feed, Roll feed, Hopper feeds, dial feeds, chutes, slides, magazine feeds. Ejection mechanism – Ejection by Gravity, air ejection, mechanical ejection, semi automatic and automatic ejection, Mechanical hands, ejection by next part. Parts and functions of a press tool – Punches, Dies, Stoppers, Trigger stops, Strippers – Fixed and Travelling, Gauges, Pilots-Methods of piloting, shanks -Strip layout, Economy factor. Cutting Dies – Construction and working of Blanking tool, Piercing tool, Progressive tool, Compound tool. Commercially available die components – Die sets, die set attachment devices, punches, die buttons, retainers, springs, fluid springs, die cushion and its types. 14

Unit 3

Bending And Forming Dies:

Bending of sheet metal – Bending theory, neutral axis, metal movement, spring back, methods of overcoming spring back. Bending Operations – Bending, flanging, hemming, curling, seaming, and corrugating. Types of Bending dies (construction and working principle) – V bending and its types, edge bending, U bending. Bending operations done using press brake. Forming dies – Construction and working principle of solid form dies, pad form dies, curling dies, embossing dies, coining dies, swaging dies, bulging dies, crimping, tube forming. Assembly dies – Riveting, tab stake, upset stake, crimping.

Unit 4

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Unit 5

Fine Blanking Tool And Specialised Press Tool Applications

Fine blanking – Definition and Applications of fine blanking, Working principle of fine blanking tool, V Ring, function of V ring. Comparison of fine blanking with blanking. Clearance and press force calculations. Fine Blanking Machines – Working principle, Ram movement, Mechanical drives, hydraulic drives, Machine force, Ring indenter force, counter force. Fine blanking tools – Compound die tooling system with sliding punch, compound die tooling with fixed punch. Specialized Press Tool Applications – Construction, advantage and applications of advanced multistage tooling, unit tooling, angular piercing tools, CNC turret press. Principle of Quick Die Change (QDC) – need and advantages. Single Minute Exchange of Dies (SMED) – concept need and advantages. Factors Affecting Tool Service Life – Introduction, Elements of Tool performance, Procedure for investigation of tool failure, Trouble shooting in press tools, effect of heat treatment on service life of tools. 13

Text Books:

1. Donald F. Eary. & Edward A. Reed, Techniques of Press working sheet metal, Prentice-Hall,Inc.,
2. Donaldson, Tool Design, Tata McGraw-hill Book Company.
3. Eugene ostergaard.D, Advanced die making, McGraw-Hill Book Company.

Reference Books:

For complete syllabus and results, class timetable and more pls download iStudy. Its a light weight, easy to use, no images, no pdfs platform to make students life easier.

For detail syllabus of all other subjects of BE Mechanical, M scheme do visit Mechanical 5 syllabus for M Scheme.

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