for drafting & engineering drawingPrint reading Paul Ross Wallach 82071 PRINT READING FOR DRAFTING & ENGINEERING DRAWING Table of Contents INTRODUCTION BASIC DRAFTING CONCEPTS Exercise 1: Identify the drawing type Exercise 2: Identify the drawing type Exercise 3: Identify the drawing type Exercise 4: Identify the drawing type Exercise 5: Identify the drawing type Exercise 6: Identify the drawing type Exercise 7: Identify the drawing type Exercise 8: Identify the drawing type Exercise 9: Identify the drawing type Exercise 10: Identify the drawing type Exercise 11: Sectional drawings Exercise 12: Geometric terms forms Solid geometric forms 1 Exercise 34: Exercise 35: Surface control finish symbol 41 Surface control 42 3 4 5 6 7 8 9 9 11 11 12 14 Exercise 13: Two-dimensional geometric 16 Exercise 14: ENGINEERING DRAWING CONCEPTS Exercise 36: Planes of projection Exercise 37: Descriptive geometry Exercise 38: Cartesian coordinate system Exercise 39: Thread notes Exercise 40: Welding symbols Exercise 41: Welding symbols Exercise 42: Welding symbols Exercise 43: Welding notation Exercise 44: Welding notation Exercise 45: Gears Exercise 46: Gear terminology Exercise 47: Plumbing fittings WORKING DRAWINGS Exercise 48: Threaded fasteners Exercise 49: Cover plate Exercise 50: Sealed tubing Exercise 51: Sealed cylinder Exercise 52: Wheel arbor Exercise 53: Arbor spindle Exercise 54: Ballpeen hammer Exercise 55: Scribe handle Exercise 56: Depth gauge Exercise 57: Tool vise Exercise 58: Hand tap vise Exercise 59: Colleted scribe holder Exercise 60: C-clamp Exercise 61: Gear puller Exercise 62: Socket drive handle 44 45 46 48 49 50 51 52 53 54 55 56 57 58 60 62 64 66 68 69 70 72 74 76 78 80 82 18 20 21 22 23 24 25 25 26 26 27 28 29 30 32 34 35 37 38 40 DRAFTING CONTROL SYSTEMS Exercise 15: Line conventions Exercise 16: Line conventions Exercise 17: Line convenions Exercise 18: Line convenions Exercise 19: Dimensioning conventions Exercise 20: Dimensioning conventions Exercise 21: Dimensioning conventions Exercise 22: Dimensioning conventions Exercise 23: Dimensioning conventions Exercise 24: Dimensioning conventions Exercise 25: Dimensioning symbols Exercise 26: Dimensioning symbols Exercise 27: Tolerances Exercise 28. Tolerances Exercise 29: Tolerance symbols Exercise 30: Geometric tolerancing and dimensioning symbols – 1 Exercise 31: Geometric tolerancing and dimensioning symbols – 2 Exercise 32: Positional tolerancing Exercise 33: Surface finishes . auxiliary drawing 2. diametric drawing 6. isometric sectional drawing 8.IdentIfy the dRaWIng tyPe Exercise 1 Select the correct technical term for this drawing. cabinet drawing 3. cavalier drawing 4. perspective drawing 10. multiview (orthographic) drawing 9. development (pattern) drawing 5. sectional callout ANSWER: . 1. isometric drawing 7. Exercise 12 geometRIc teRms 14 . obtuse angle 17. intersecting lines 15. iameter d 10. tangent line 15 . scalene triangle 23. parallel lines 18. arc 4. sector 25. oncentric circles c 9. radius 20. ngleangle a 3. cute angle a 2. secant 24. ircumscribed circle c 7. Exercise 12 1. equilateral triangle 12. segment 26. right angle 21. isosceles triangle 16.geometRIc teRms Identify the geometric terms shown on page 14. inscribed circle 14. eccentric circles 11. enter c 5. quadrant 19. free curve 13. right triangle 22. chord 6. supplementary angles 27. omplementary angles c 8. extension line 7. architectural dimension 2. inch/fraction dimension 8.6" 24 . metric dimension 10. limit dimension 9. dual dimension mm/in. dimension line 4. 5. 1. numerical dimension 8'.Exercise 19 dImensIonIng conventIons Identify the parts of the dimensions. decimal dimension 6. arrowhead 3. regardless of feature size 18.geometRIc toleRancIng and dImensIonIng (ASME Y14. flatness 11. cylindricity 9. concentricity or coaxiality 8.5) symbols – Part 2 Match the symbol to its name. at least material condition 4. angularity 3. straightness 19. circularity 6. Exercise 31 1. at maximum material condition 5. perpendicularity 13. profile of a surface 16. total runout 7 . projected tolerance zone 17. position 14. diameter 10. all-around profile 2. parallelism 12. circular runout 7. profile of a line 15. Exercise 35 suRface contRol 42 . 80 micrometers E.08 micrometers C.05 micrometers B.80 micrometers E.08 micrometers C. perpendicular ANSWER: 2. .80 micrometers E. . 1.6 micrometers D.6 micrometers D. . parallel B.08 micrometers C.05 micrometers B. . 1. angular D.80 micrometers E. What is the height of the surface roughness for the inside of the hole’s surface? A.2 micrometers ANSWER: Exercise 35 5. straight C. 1.05 micrometers B. .2 micrometers ANSWER: 4 . 1. What is the height of the surface roughness for the top surface of the wedge block? A. .2 micrometers ANSWER: 4. 3. 3. .05 micrometers B. What is the height of the surface roughness width on the angular surface? A. . What is the waviness height of the angular surface? A. .2 micrometers ANSWER: 3. .6 micrometers D. . 3. What is the lay’s directional surface pattern on the angular surface? A. .suRface contRol Answer these questions about the drawing on page 42. 3.08 micrometers C. 1.6 micrometers D. C. type of threads threads per inch length of bolt length of nut threads per millimeter ANSWER: 6. crest of threads in inches length of threads in inches depth of threads in inches major diameter of threads depth of threads in millimeters ANSWER: 2. D. What is the “2A” in the bolt’s thread note? A. B. square bolt hex bolt ASME bolt metric bolt ANSWER: 3. C. E. What does the “1/2” in the thread note represent? A. D. B. What is the bolt type? A. C. internal thread American Standard Internal Threads ASME standard threads two threads per inch ANSWER: 5. B. What is the nut type? A. What is the “2B” in the nut’s thread note? A.Exercise 39 thRead notes Select the correct answers from the standard nut and bolt thread notes. What does the “13” in the thread note represent? A. class 2 fit. square nut hex nut ASME nut metric nut ANSWER: ANSWER: 48 . C. D. D. D. C. American Standard External Threads ASME standard threads class 2 fit. E. C. D. external thread two threads per inch 4. B. 1. B. B. V-groove weld 49 . fillet weld 4. 1. U-groove weld 8. square groove weld 7.WeldIng symbols Exercise 40 Identify the welding symbols. plug weld 6. back (or backing) weld 2. J-groove weld 5. bevel groove weld 3. Fillet Assembled and Oiled D. .09" 1/8" 3/16" 5/8" ANSWER: ANSWER: ANSWER: ANSWER: 2. What is the diameter of the hole through the swivel top (2)? A. B. 1/8" 1/4" 11/16" 3/4" 3. O. B. What do the letters F. C. 2 1/2" C. D. 1.scRIbe handle Exercise 55 Answer these questions about the drawing above. How is the swivel top (2) attached to the handle (1)? A. B. What is the length of the knurling on the handle (1)? A. D. C. Finished All Over B. D. Face Allowance Offset C. 1 3/8" 4. C. mean? A. What is the spherical radius of the clamping head (3)? A. 5/16" B. D. A. Flange Alloy Oriented 6. B. 2 1/8" D. threaded peened soldered welded 5. What is the concave radius in the swivel top (2)? A. C. 16" 1/4" 3/16" 1/2" ANSWER: ANSWER: 69 .