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MH1202 COMPUTER AIDED MACHINE DRAWING
Posted Date: 28 Apr 2008 Resource Type: Articles/Knowledge Sharing Category: Syllabus
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Posted By: Nithya Krishna Member Level: Gold
Rating:  Points: 6
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MH1202 COMPUTER AIDED MACHINE DRAWING
UNIT I
Indian standard code of practice for engineering drawing – general principles of Presentation. Conventional representations of threaded parts, springs, gear and Common features. Abbreviations and symbols for use on technical drawings. Conventions for sectioning and dimensioning.
UNIT II
Tolerances – types – representation of tolerances on drawing, fits – types – selection of Fits – allowance. Geometric tolerances – form – and positional tolerances – datum, datum Features. Maximum material principle – symbols and methods of indicating it on drawing Surface finish symbols – welding symbols and methods of indicating it on drawing.
UNIT III (Drafting work using mini drafter)
Preparation of part and assembly drawings of Plummer block, screw jack, machine vice, lathe tailstock, tool head of the shaper, stuffing box, piston & connecting rod universal join)
UNIT IV
Introduction to the use of any drafting software – creation of simple geometric bodies using primitives (line, arc, circle etc.,) and editing for the drawing, Dimensioning and text writing, concept of layer creation and setting, line types.
UNIT V
Preparation of 2-D drawings using CAD software for components and assemblies of Plummer block, screw jack, machine vice, lathe tailstock, tool head of the shaper. Introduction to 3-D modeling solid and wire frame modeling.
TEXT BOOKS
1. Sadhu Singh & P.L. Sah, Fundamentals of Machine Dynamics, Prentice Hall of India Pct Ltd, 2003.
2. P.N. Rao, CAD/CAM Principles and Applications, Tata McGraw-Hill 2003
REFERENCE
1. K. Venugopal, Engineering Graphics AutoCAD, John Wiley & Sons, 2002
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