4th Sem, Tool & Die Diploma

22243: Tool Room Special Machines Tool & Die 4th Sem Syllabus for Diploma TNDTE M Scheme

Tool Room Special Machines detail TNDTE Diploma syllabus for Mechanical Engineering (Tool & Die) (T&D), M scheme is extracted from TNDTE official website and presented for diploma students. The course code (22243), 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. The syllabus PDFs can be downloaded from official website.

For all other tool & die 4th sem syllabus for diploma m scheme tndte you can visit Tool & Die 4th Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for tool room special machines is as follows.

Rationale:

Globalization made tremendous growth in industrial activities, which in turn needs Tool and Die Makers. If the requirement has not been met industrial growth cannot be sustained. Hence knowledge in exploration of various sources of special machines covering various operations for Tool & Die Makers and skill in the area of Tool & Dies as required for the development of nation and its people.

Objectives:

At the end of the study of this subject the student will be able to:

  • Describe the different forces in orthogonal cutting
  • Estimate the forces in metal cutting operations
  • Compare the properties of different cutting fluids
  • Explain the working of drilling machine
  • Explain the boring operation and their applications.
  • Explain the construction and operation of Jig boring machine
  • Explain the working of milling machine.
  • Distinguish various types of milling cutter.
  • Classify the different types of grinders and grinding wheels.
  • Describe Jig grinding machine
  • Explain the operation of Universal tool & cutter grinder
  • Appreciate the use of non conventional machining processes.
  • Distinguish between EDM and Wire cut EDM machine operation

Detailed Content:

Unit I

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Unit II

Drilling Machines & Boring And Jig Boring

  1. Drilling Machines

    2. Drills-flat drills-twist drills-nomenclature-types of drilling machines-bench type-floor type-radial type-gang drill-multi spindle type-principle of operation in drilling-speeds and feeds for various materials-drilling holes-methods of holding drill bit-drill chucks-socket and sleeve-drilling-reaming-counter sinking-counter boring-spot facing-tapping-deep hole drill-drill jigs.

  2. Boring And Jig Boring:

    3. Boring machines-horizontal and vertical types -fine boring machines-boring tools Jig boring machine-measuring system-hole location procedure-deep hole boring 15

Unit III

Milling Machines And Gear Generating Processes

  1. Milling Machines:

    2. Types-column and knee type-plain-universal milling machine-vertical milling machine-specification of milling machines-principles of operation-work and tool holding devices-arbor-stub arbor-spring collet-adapter-milling cutters-cylindrical milling cutter-slitting cutter-side milling cutter-angle milling cutter-T-slot milling cutter-woodruff milling cutter-fly cutter-nomenclature of cylindrical milling cutter-milling process-conventional milling-climb milling-milling operations-straddle milling-gang milling-vertical milling attachment.

  2. Generating Process:

    3. gear shaper-gear hobbling-principle of operation only-gear finishing processes-burnishing-shaving-grinding and lapping-gear materials-cast iron, steel, alloy steels, brass, bronze, aluminum, nylon. 15

Unit IV

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Unit V

Non-Conventional Machines

  1. Non-Conventional Machines:

    2. Construction and working of Ultrasonic machining-chemical machining-electro chemical grinding- plasma arc machining-LASER machining-Advantages -Disadvantages-Applications-of the above processes.

    Spark ErosionIntroduction – principle of spark erosion and requirements – mechanism – dielectric fluid – essential requirements of dielectric fluid – layout of spark machining system, EDM machine – tool materials – electrical circuits in EDM – Metal removal rate -mean current – operation parameters and typical values and tool wear – reasons -classification and types. EDM process characteristic – advantages and disadvantages of EDM process – wire cut EDM, CNC Wire cut EDM for machining punch and die cavities.

  2. Tool Room Special Machine Maintenance

    3. Requirements – types of maintenance – effect of improper maintenance -maintenance schedules – maintenance cost.

Text Books:

  1. Hajra choudhry, “Work shop Technology”, Vol. II, Media Promoters and Publishers Pvt. Ltd.
  2. Chapman.WAJ., “Work shop Technology”, Vol. II & III, ELBS

Reference Books:

For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. It’s a lightweight, easy to use, no images, no pdfs platform to make students life easier.

Model Question Paper-1

Note: Answer any 15 Questions

Max.Marks: 75

PART A Marks-1 X 15= 15

  1. State the different types of chip formations.
  2. State the Taylor’s equation
  3. Write the different types of dynamometer
  4. Define machinability index
  5. What is point angle of a twist drill?
  6. What is boring operation?
  7. List the various types of drilling machines
  8. What is the use of sleeve?
  9. Name any two types of indexing methods in milling.
  10. Write the formula for simple indexing.
  11. Name any two gear finishing processes.
  12. Name any two important materials used for making gears
  13. List the abrasives used for making grinding wheels
  14. What is truing of grinding wheel?
  15. Write the parts of the cylindrical grinding machine
  16. State the different grinding methods
  17. What are the methods of circulation of dielectric fluid in EDM?
  18. What are the limitations of EDM ?
  19. What are the dielectric fluids used in EDM spark machine
  20. Write any two non conventional machines

Part-B

Answer all the questions – 5 x 12 = 60 marks

    1. Explain various cutting tool materials.

      2. (Or)

    2. Explain the orthogonal and oblique cutting.
    1. Draw and explain a radical drilling machine.

      2. (Or)

    2. Draw and Explain the Jig boring machine

    1. What are the cutters used for milling
      1. keyway
      2. T-slot,
      3. Dovetail grooves

    (Or)

    1. Draw and explain the various types of gear finishing processes.
    1. Explain the Universal Tool & cutter Grinder with neat diagram.

      2. (Or)

    2. Explain the constructional details and working principle of Jig Grinding machine
    1. Explain the constructional features of EDM Spark Erosion machine with neat sketch. Mention the advantages.

      2. (Or)

    2. Draw and explain a laser machining process and state its advantages.

Model Question Paper 2

Note: Answer any 15 Questions

Max.Marks: 75

PART A Marks-1 X 10= 10

  1. Define tool life.
  2. State any two factors influencing the tool life
  3. State any two properties of cutting fluids.
  4. What is chip formation?
  5. What are the methods used to locate hole in Jig boring machine.
  6. List out various types of drilling machines
  7. What is reaming?
  8. Write any tool holding devices used in drilling machines
  9. Write any two types of milling machines
  10. Write any two types of milling operations
  11. Write any two names of milling cutters
  12. Write any two attachments used in milling machines
  13. What is lapping?
  14. List out various types of surface grinding machines
  15. Write the parts of the universal tool and cutter grinder
  16. Mention any two advantages of Universal tool milling machine
  17. Write any two limitation of EDM wire cut machines
  18. Write any two limitation of plasma arc machining
  19. What are the types of maintenance
  20. What is Metal removal rate in EDM

PART B Marks-5X12=60

    1. Draw and explain the Merchant circle of forces in orthogonal cutting

      2. (Or)

    2. Explain the different types of tool dynamometer with suitable sketches.
    1. Explain the constructional details of boring machine with neat sketch.
    2. Draw and explain nomenclature of twist drill
    1. Explain the constructional details and working principle of milling machine with neat sketch.

      2. (Or)

    2. Draw and Explain gear shaper and gear hobbing
    1. Write short notes on
      1. mounting of grinding
      2. balancing of grinding machine.

    1. Explain the specification and selection of grinding wheel.
    1. Explain the constructional features of EDM Wire cut machine with neat sketch. Mention the advantages.

      2. (Or)

    2. Explain the constructional features of Ultrasonic machines with neat sketch. Mention the disadvantages

For detail syllabus of all other subjects of BE Tool & Die, M scheme do visit Tool & Die 4th Sem syllabus for M scheme.

Dont forget to download iStudy Syllabus App for latest syllabus and results, class timetable and more.

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