15ME34D: Machine Drawing Mechanical 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Machine Drawing detail DTE Kar Diploma syllabus for Mechanical Engineering (General) (ME), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15ME34D), 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 mechanical 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Mechanical 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for machine drawing is as follows.

Pre-requisites:

Engineering graphics-I and Engineering graphics-II and Sound pictorial

Course Objectives:

1. Understanding of drawing, which includes clear visualization of objects and the proficiency in reading and interpreting a wide variety of production and assembly drawings.
2. This course envisages reinforcing and enhancing the knowledge and skill acquired in the earlier two courses

Course Outcomes:

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UNITI: CONVENTIONAL REPRESENTATION 04Hrs

Standard convention using SP – 46 (1988)-Materials C.I., M.S, Brass, Bronze, Aluminum, wood, Glass, Concrete and Rubber-Long and short break in pipe, rod and shaft.- Various sections- Half, removed,-Standard convention of Knurling, splined shafts, and chain wheels-Springs with square and flat ends, Gears, sprocket wheel-Countersunk &counter bore

UNIT II: THREADED FASTENERS 12Hrs

Screw thread terminology-Conventional representation of External threads and internal threads-Draw the top and front view of hexagonal headed bolt with nut across flat and corner-Draw -square headed bolt across corner and flat-cylindrical headed bolt-Eye bolt-Locking devices-Draw the views of for standard dimensions-lock nut-castle nut-Studs-Tap bolt-Machine screws-washers-Keys-sunk key-Gib head key.(For a given standard diameter with proportions)

UNIT III: RIVETED JOINTS 12Hrs

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UNIT IV:LIMITS, FITS AND TOLERANCES 06Hrs

Concept of limits, fits & allowances–Introduction to ISO system of tolerance,-dimensional tolerances-Draw the working drawing plain step turned shaft of varying diameter, indicate the dimensional tolerances

UNIT V: PRODUCTION DRAWINGS 06Hr

Surface roughness-Indication of machining-symbol showing direction of lay, roughness grades, machining allowances, Machining symbols used in industry
(Suggested Practice:Disassembling of any Physical model having not less than five parts, sketch the minimum views required for each component, measure all the required dimensions of each component)

UNIT VI: DETAILS TO ASSEMBLY 38Hrs

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Text Books:

1. Machine drawing, -K.R. Gopala Krishna Subhas Publishers, Bangalore

Reference Books:

1. Machine Drawing-N.D.Bhatt, Charotar Publication, Anand
2. Machine Drawing-Sidheshwar-Tata McGraw Hill
3. Code of practice for general engineering-IS Code SP 46(1988)-Engineering Drawing Practice for School and colleges
4. Production Drawing-L.K.Narayanan,P.Kannaich,- New Age International Publication

Suggested List of Student Activities:

Note: the following activities related to unit 5 and for assessing CIE(IA)

1. Each student should submit any one of the following type activity or any other similar activity related to the course and before take up get it approved from concerned Teacher and HOD.
2. Each student should conduct different activity and no repeating should occur

1. Select at least four simple mechanical components each made up of minimum 5-6 Manufacturing operations. Get them approved by teacher. Measure and sketch them in a drawing sheet with dimensions.
2. Select at least one simple mechanical assembly in group of 5-6 students, each made up of minimum 5-6 manufacturing operations. Get them approved by teacher. Measure and sketch them in a drawing sheet with dimensions. Example- assembly of any coupling, carburetor, machine vice, fuel pump, tail stock etc.
3. Bring Actual assembly from workshop/industry, measure dimensions, sketch it and make 2D production drawing for the same.

Course Delivery:

The course will be delivered through lectures and Demonstration and practices

NOTE:

1. Students should use two separate A3 size sketchbooks, one for class work and another for assignment.
2. Students should solve assignment on each topic. The sessional marks will be awarded on the basis of Graded exercises and assignment
3. Use half imperial size drawing sheet for term work

Model Question Paper:

Part A

1. Draw the conventional representation of the following materials. -9M
1. Wood
2. steel
3. rubber
2. Draw the conventional representation of the following sections.
1. Bottom-half in section
2. Right -half in section -6M
2. Draw the diagrammatic representation of the following -15M
1. Clearance fit
2. Interference fit
3. Transition fit

Part B

1. Draw the front and top view of ISO threaded Square bolt and Nut of 100 mm long with a threaded length of 50mm. The diameter of the bolt is 20 mm across corner-15M
2. Draw to 1:1 scale the sectional front view and top view of a single riveted Butt joint with double cover plate. The thickness of the plate is 9 mm. Use snap head rivets and show at least three rivets. Indicate all the dimensions. -15M

Part C

1. The detail parts of a SCREW JACK is given, Assemble the parts and show the following views to 1:1 scale. Show the important dimensions on the assembly Drawing

Follow the diagram from the pdf file.

For detail syllabus of all other subjects of BE Mechanical, C15 scheme do visit Mechanical 3rd Sem syllabus for C15 scheme.

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