Machine Drawing 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 (22034), 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 3rd sem syllabus for diploma m scheme tndte you can visit Tool & Die 3rd Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for machine drawing is as follows.
Rationale:
Manufacturing of various machine parts and production of various equipments in small scale to big scale industries start from the basic drawing of components. The assembly of components is also carried out from the drawing. So drawing is an important subject to be studied by supervisor cadre students to carry and complete the production and assembly process successfully.
The first three are theory units in which the students can comprehend the various types of sections used in drawing practice. Types of fits used, limits and tolerances of dimensions and surface finish methods which are to be used in industrial drawing will also be taught in these three units.
The fourth unit is also a theory unit in which the students can understand the types of fasteners and study of temporary fasteners like keys, screw threads and threaded fasteners which are commonly used in assembly process.
The final unit gives the practice of manual drawing of the commonly used components in industries to give a thorough knowledge of drawings.
The overall objective is to impart knowledge to the students so as to carry out the production and the assembly process without wastage of Man/Machine and Materials to have economical overall process.
Objectives:
- Appreciate the need for sectional view and types of sections.
- Draw sectional views using different types of sections.
- Explain the use of threaded fasteners and the types of threads.
- Compare hole basis system with shaft basis system.
- Select different types of fits and tolerance for various types of mating parts.
- Appreciate the importance of fits and tolerance.
Detailed Content:
Unit I
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Unit II
Limits, Fits And Tolerances
Tolerances – Allowances – Unilateral and Bilateral tolerances. Limits -Methods of tolerances – Indication of tolerances on linear dimension of drawings – Geometrical tolerances – application – Fits – Classifications of fits – Selection of fits – examples
Unit III
Surface Texture
Surface texture – importance – controlled and uncontrolled surfaces -Roughness – Waviness – lay – Machining symbols
Unit IV
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Unit V
Manual Drawing Practice
Detailed drawings of following machine parts are given to students to assemble and draw the sectional or plain elevations / plans / and side views with dimensioning and bill of materials
- Sleeve & Cotter joint
- Spigot & Cotter joint
- Knuckle joint
- Stuffing Box
- Screw Jack
- Foot step bearing
- Universal Coupling
- Plummer Block
- Swivel Bearing
- Simple Eccentric
- Machine Vice
- Protected type flanged coupling
- Connecting Rod
- Tail Stock
Reference Books:
- Machine Drawing, P.S. Gill, Katsan Publishing House, Ludiana
- A Text book of Engineering Drawing, R.B. Gupta, Satya Prakasan, Technical India Publications, NewDelhi
- Mechanical Draughtsmanship, G.L. Tamta, Dhanpat Rai & Sons, Delhi
- Geometrical and Machine Drawing, N.D. Bhatt, Cheroter book stalls, Anand, West Railway
- Engineering Drawing, D.N. Ghose, Dhanpat Rai & Sons, Delhi
Model Question Paper-1
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Model Question Paper – 2
Time: 3 Hour Max Marks : 75
Part – A
Marks 4 x 5 = 20
Answer any 5
- What is the need for sectioning? Explain broken section and revolved section with neat sketch.
- why hole basis system is preferred over shaft basis system? Explain with suitable eg & sketch.
- Define
- Lay
- Waviness with suitable sketch. Draw conventional symbol for mentioning surface finish.
- State the conventions followed in representing threads in drawings. Draw the representation for internal and external threads.
- Draw 3 views of square nut of diameter 60 mm with proper formulae.
Part – B
II Assemble and draw the below mentioned views of SCREW JACK
Right Half sectioned elevation 30
Plan 20
Viva Voce 05
Total 75
For detail syllabus of all other subjects of BE Tool & Die, M scheme do visit Tool & Die 3rd Sem syllabus for M scheme.
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