PR331
 
																									  	   PRODUCTION DRAWING AND COST ESTIMATION  
  Conventional Representation of Machine elements - International Standards (ISD) and Indian Standards (IS)  
  Limits and Fits - IT system of tolerances, deviations and fits
  Geometric Dimensioning and Representation - Tolerancing, Tolerancing of form , orientation , location and run-outs , Datums and Datum Systems.
  Surface texture indication on drawing.  Welds - Symbolic representing of drawings. Preparation of process - Chart for a given component.
  Cost Estimation of setting time and machining time - estimation of material cost, labour cost and overhead cost based on supplied data. Given a sub-assembly /assembly to prepare production drawings of components as per current drawing office practice. At least ten sub-assemblies/assemblies are to be competed on A4 sheets.
  Reference :
 -  	Indian 	Standards : 10714,10715,10716,10717,10719, 813,919,2709,8000 , pt.1 	to 4 : 10721, 11158 corresponding  to ISO's 
-  	PSG 	Design Data Book 
-  	Sindeshwar 	,NMachine Drawing " Tata McGraw Hill , 1985 
-  	Hariprasad, 	Mechanical Estimating and (costing, Khartna Publishers.