CONNECTING LINK Objective The student will construct a complete set of working drawings for the Connecting Link including detail drawings assembly drawing s Parts List and tolerance calculations Assignment Part I Preliminary Sketches Make a sketch on Graph Paper of each of the parts of the Connecting Link Show the necessary views and add the required dimensions Part 1 Link Sketch of the necessary views Sketch showing required dimensions Part 2 Bushing Sketch of the necessary views Sketch showing required dimensions Part 3 Bushing Sketch of the necessary views Sketch showing required dimensions Part 4 Shaft Sketch of the necessary views Sketch showing required dimensions Part 5 Shaft Sketch of the necessary views Sketch showing required dimensions Part 6 375 x 1 25 Large Hex Head Bolt Sketch of the necessary views Parts List Part 7 375 Hex Head Nut Sketch of the necessary views Sketch showing required dimensions Part 8 375 Lock Washer Sketch of the necessary views Sketch showing required dimensions Mounting Bracket Sketch of the necessary views Sketch showing required dimensions Assembly Drawing Sketch of the necessary views Parts List Part II Drawing Setup for CAD Begin a new drawing and set the limits for size C drawing paper Insert the border and title block C 7 into the drawing Create the following layers Layer Name Border Construction Object Hidden Center Cuttingplane Hatching Dimensions Description Border and Title Block Construction lines Object lines Hidden lines Center lines Cutting plane lines Hatching lines Dimensions notes text Color student s choice student s choice student s choice student s choice student s choice student s choice student s choice student s choice Linetype Continuous Continuous Continuous Hidden2 Center2 Phantom2 Continuous Continuous Lineweight 0 010 0 010 0 020 0 012 0 010 0 030 0 010 0 010 Create a new dimension style and set the dimensioning parameters as needed for mechanical style dimensioning Do not use AutoCAD s default settings Limits set for size C drawing paper The UNITS setting is to be Decimal 23 60 x 16 66 The precision setting for dimensioning is to be 0 00 CONNECTING LINK Part III Tolerance Calculations On engineering paper show the calculations for the following tolerances Part 1 Hole 1 88 LN 3 fit with Part 3 Bushing Hole 1 06 LN 3 fit with Part 2 Bushing Part 2 Hole 750 RC 4 fit with Part 5 Shaft Shaft 1 06 LN 3 fit with Part 1 Link Part 3 Hole 1 50 RC 4 fit with Part 4 Shaft Shaft 1 88 LN 3 fit with Part 1 Link Part 4 Shaft 1 50 RC 4 fit with Part 3 Bushing Part 5 Shaft 750 RC 4 fit with Part 2 Bushing The precision setting for tolerance dimensions is to be 0 000 Be sure to use the proper heading on all sheets Improper heading will result in a lower grade Any Calculations not done on engineering paper will not be accepted Format for filling in the heading sections on the Engineering Paper DATE STUDENT NAME COURSE NUMBER CHAPTER PAGE Part IV Complete the required drawings Complete all of the required drawings following ANSI and ISO drafting standards Drawings will include detail drawings assembly drawing s Parts List revisions block and general notes Add identification circles to the assembly drawing Consult your drafting textbook for correct sizes Be sure to add the titles of each part below each detailed drawing 2