ege4 solution manual

Engineering Graphics Essentials

Solution Manual Guide

Chapter 2: Dimensioning

If the function and purpose of a part is not known we can only make an educated guess as to what are the important surfaces (i.e. datum features). Therefore, the solutions given in this solution manual illustrate one possible way of dimensioning the object. There are other ways to dimension each object while still following the dimensioning rules. Chapter 5: Threads and Fasteners

Multiple answers are sometimes given for the screw and bolt clearance holes. This is because there are three sources that a student could choose from; 1) the general rule of thumb given within the chapter, 2) clearance holes for specific fasteners given in Appendix B, and 3) clearance hole for bolts and screws B.5).

Multiple answers are sometimes given for counterbore and countersink diameters. This is because there are two sources that a student could choose from; 1) the general rule of thumb given within the chapter and 2) diameters given in Appendix B.

ORTHOGRAPHIC PROJECTION CROSSWORD PUZZLE

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DIMENSIONING CROSSWORD PUZZLE

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SECTIONING CROSSWORD PUZZLE

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TOLERANCING CROSSWORD PUZZLE (inch)

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P8-1)

a) Shaft HoleLimits 0.9975 0.9963 1 1.002Basic Size 1Tolerance 0.0012 0.002MMC 0.9975 1LMC 0.9963 1.002Max. Clearance 0.0057Min. Clearance 0.0025Type of Fit Clearance

b) Shaft HoleLimits 4.7494 4.7487 4.75 4.751Basic Size 4.75Tolerance 0.0007 0.001MMC 4.7494 4.75LMC 4.7487 4.751Max. Clearance 0.0023Min. Clearance 0.0006Type of Fit Clearance

c) Shaft HoleLimits 0.494 0.487 0.5 0.507Basic Size 0.5Tolerance 0.007 0.007MMC 0.494 0.5LMC 0.487 0.507Max. Clearance 0.02Min. Clearance 0.006Type of Fit Clearance

d) Shaft HoleLimits 5.0005 4.9995 5 5.0016Basic Size 5Tolerance 0.001 0.0016MMC 5.0005 5LMC 4.9995 5.0016Max. Clearance 0.0021Min. Clearance -0.0005Type of Fit Transition

e) Shaft HoleLimits 1.2513 1.2507 1.25 1.251Basic Size 1.25Tolerance 0.0006 0.001MMC 1.2513 1.25LMC 1.2507 1.251Max. Clearance 0.0003Min. Clearance -0.0013Type of Fit Transition

f) Shaft HoleLimits 0.1256 0.1254 0.125 0.1253Basic Size 0.125Tolerance 0.0002 0.0003MMC 0.1256 0.125LMC 0.1254 0.1253Max. Clearance -0.0001Min. Clearance -0.0006Type of Fit Interference

g) Shaft HoleLimits 2.5072 2.506 2.5 2.5018Basic Size 2.5Tolerance 0.0012 0.0018MMC 2.5072 2.5LMC 2.506 2.5018Max. Clearance -0.0042Min. Clearance -0.0072Type of Fit Interference

h) Shaft HoleLimits 8.998 8.9878 9 9.0018Basic Size 9Tolerance 0.0102 0.0018MMC 8.998 9LMC 8.9878 9.0018Max. Clearance 0.014Min. Clearance 0.002Type of Fit Clearance

P8-2)

a) Basic Size = 0.25

Hole ShaftFit RC3Table values 0.6 0 -0.5 -0.9Limits 0.2506 0.25 0.2495 0.2491Fit LC2Table values 0.6 0 0 -0.4Limits 0.2506 0.25 0.25 0.2496Fit LT1Table values 0.6 0 0.2 -0.2Limits 0.2506 0.25 0.2502 0.2498Fit LN2Table values 0.6 0 1 0.6Limits 0.2506 0.25 0.251 0.2506

b) Basic Size = 0.5

Hole ShaftFit RC5Table values 1 0 -1.2 -1.9Limits 0.501 0.5 0.4988 0.4981Fit LC7Table values 2.8 0 -1.2 -2.8Limits 0.5028 0.5 0.4988 0.4972Fit LT2Table values 1 0 0.35 -0.35Limits 0.501 0.5 0.50035 0.49965Fit LN1Table values 0.4 0 0.8 0.4Limits 0.5004 0.5 0.5008 0.5004

c) Basic Size = 0.75

Hole ShaftFit RC1Table values 0.4 0 -0.3 -0.55Limits 0.7504 0.75 0.7497 0.74945Fit LC11Table values 12 0 -10 -22Limits 0.762 0.75 0.74 0.728Fit LT3Table values 0.8 0 0.6 0.1Limits 0.7508 0.75 0.7506 0.7501Fit FN1Table values 0.5 0 1.1 0.7Limits 0.7505 0.75 0.7511 0.7507

d) Basic Size = 1

Hole ShaftFit RC9Table values 5 0 -7 -10.5Limits 1.005 1 0.993 0.9895Fit LC6Table values 2 0 -0.8 -2Limits 1.002 1 0.9992 0.998Fit LT4Table values 1.2 0 0.9 0.1Limits 1.0012 1 1.0009 1.0001Fit FN5Table values 1.2 0 3.3 2.5Limits 1.0012 1 1.0033 1.0025

e) Basic Size = 1.375

Hole ShaftFit RC7Table values 2.5 0 -3 -4.6Limits 1.3775 1.375 1.372 1.3704Fit LC1Table values 0.6 0 0 -0.4Limits 1.3756 1.375 1.375 1.3746Fit LT5Table values 1 0 1.3 0.7Limits 1.376 1.375 1.3763 1.3757Fit LN3Table values 1 0 2 1.4Limits 1.376 1.375 1.377 1.3764

f) Basic Size = 2

Hole ShaftFit RC4Table values 1.8 0 -1.2 -2.4Limits 2.0018 2 1.9988 1.9976Fit LC9Table values 7 0 -6 -10.5Limits 2.007 2 1.994 1.9895Fit LT6Table values 1.2 0 2 0.8Limits 2.0012 2 2.002 2.0008Fit FN4Table values 1.2 0 4.2 3.5Limits 2.0012 2 2.0042 2.0035

g) Basic Size = 2.125

Hole ShaftFit RC6Table values 3 0 -2.5 -4.3Limits 2.128 2.125 2.1225 2.1207Fit LC4Table values 4.5 0 0 -3Limits 2.1295 2.125 2.125 2.122Fit LT3Table values 1.2 0 0.8 0.1Limits 2.1262 2.125 2.1258 2.1251Fit FN2Table values 1.2 0 2.7 2Limits 2.1262 2.125 2.1277 2.127

P8-3)

a) Shaft HoleLimits 5.97 5.94 6 6.03Basic Size 6Tolerance 0.03 0.03UD 0.03 0.03LD 0.06 0FD 0.03 0IT Grade 9 9System HoleFit Clearance - Free Running H9/d9

b) Shaft HoleLimits 79.99 79.971 80 80.03Basic Size 80Tolerance 0.019 0.03UD 0.01 0.03LD 0.029 0FD 0.01 0IT Grade N/ASystem HoleFit Clearance

c) Shaft HoleLimits 16.029 16.018 16 16.018Basic Size 16Tolerance 0.011 0.018UD 0.029 0.018LD 0.018 0FD 0.018 0IT Grade 6 7System HoleFit Interference - Locational H7/p6

d) Shaft HoleLimits 25.061 25.048 25 25.021Basic Size 25Tolerance 0.013 0.021UD 0.061 0.021LD 0.048 0FD 0.048 0IT Grade 6 7System HoleFit Interference - Force H7/u6

e) Shaft HoleLimits 120 119.78 120.18 120.4Basic Size 120Tolerance 0.22 0.22UD 0 0.4LD 0.22 0.18FD 0 0.18IT Grade N/ASystem ShaftFit Clearance

f) Shaft HoleLimits 2 1.994 2.002 2.012Basic Size 2Tolerance 0.006 0.01UD 0 0.012LD 0.006 0.002FD 0 0.002IT Grade 6 7System ShaftFit Clearance - Sliding G7/h6

g) Shaft HoleLimits 30 29.987 29.985 30.006Basic Size 30Tolerance 0.013 0.021UD 0 0.006LD 0.013 0.015FD 0 0.006IT Grade 6 7System ShaftFit Transition - Locational K7/h6

h) Shaft HoleLimits 8 7.991 7.963 7.978Basic Size 8Tolerance 0.009 0.015UD 0 0.022LD 0.009 0.037FD 0 0.022IT Grade 6 7System ShaftFit Interference - Force U7/h6

P8-4)

a) Basic Size = 5

Shaft HoleFit H11/c11Limits 4.93 4.855 5.075 5Fit U7/h6Limits 5 4.992 4.981 4.969

b) Basic Size = 10

Shaft HoleFit H7/k6Limits 10.01 10.001 10.015 10Fit N7/h6Limits 10 9.991 9.996 9.981

c) Basic Size = 12

Shaft HoleFit H7/p6Limits 12.029 12.018 12.018 12Fit G7/h6Limits 12 11.989 12.024 12.006

d) Basic Size = 16

Shaft HoleFit H7/u6Limits 16.044 16.033 16.018 16Fit C11/h11Limits 16 15.89 16.205 16.095

e) Basic Size = 20

Shaft HoleFit H8/f7Limits 19.98 19.959 24.98 24.959Fit S7/h6Limits 20 19.987 19.973 19.952

f) Basic Size = 25

Shaft HoleFit H7/n6Limits 25.028 25.015 25.021 25Fit H7/h6Limits 25 24.987 25.021 25

g) Basic Size = 30

Shaft HoleFit H7/s6Limits 30.048 30.035 30.021 30Fit K7/h6Limits 30 29.987 30.006 29.985

THREAD AND FASTENER CROSSWORD PUZZLE

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P10-1) Write the thread notes for the following external threads. Also, what are the minor diameter and the pitch? Thread class = 2.

(a) (b) (c) (d) (e) (f) (g) Major n 1/4 7/8 3/4 1/2 1 3/8 5/16 Series Fine Coarse Fine Coarse Fine Extra Fine Coarse

Thread Note 1/4 - 28 UNF – 2A Minor diameter 0.211 Pitch 0.0357 Thread Note 7/8 – 9 UNC – 2A Minor diameter 0.755 Pitch 0.1111 Thread Note 3/4 – 16 UNF – 2A Minor diameter 0.682 Pitch 0.0625 Thread Note 1/2 – 13 UNC – 2A Minor diameter 0.417 Pitch 0.0769 Thread Note 1 – 12 UNF – 2A Minor diameter 0.91 Pitch 0.0833 Thread Note 3/8 – 32 UNEF – 2A Minor diameter 0.341 Pitch 0.03125 Thread Note 5/16 – 18 UNC – 2A Minor diameter 0.252 Pitch 0.0555

P10-2) Write the thread notes for the following internal threads. Also, what are the tap drill size and/or diameter and the pitch? Thread class = 3.

(a) (b) (c) (d) (e) (f) (g) Major n 7/16 1/4 5/8 1 ¼ 3/8 1/2 1 Series Fine Coarse Fine Coarse Fine Extra Fine Coarse

Thread Note 7/16 – 20 UNF – 3B Tap drill size and/or diameter 25/64 Pitch 0.05 Thread Note 1/4 – 20 UNC – 3B Tap drill size and/or diameter 0.201 Pitch 0.05 Thread Note 5/8 – 18 UNF – 3B Tap drill size and/or diameter 37/64 Pitch 0.0556 Thread Note 1 1/4 – 7 UNC – 3B Tap drill size and/or diameter 1 7/64 Pitch 0.1429 Thread Note 3/8 – 24 UNF – 3B Tap drill size and/or diameter 0.332 Pitch 0.0417 Thread Note 1/2 – 28 UNEF – 3B Tap drill size and/or diameter 15/32 Pitch 0.0357 Thread Note 1 – 8 UNC – 3B Tap drill size and/or diameter 7/8 Pitch 0.125

P10-3) Write the thread notes for the following threads. Also, what is the major diameter in inches?

(a) (b) (c) (d) (e) (f) (g) Major n #0 #2 #4 #5 #6 #8 #10 Series Fine Coarse Fine Coarse Fine Fine Coarse

Thread note 0 – 80 UNF Major diameter 0.060 Thread note 2 – 56 UNC Major diameter 0.0860

Thread note 4 – 48 UNF Major diameter 0.112 Thread note 5 – 40 UNC Major diameter 0.125 Thread note 6 – 40 UNF Major diameter 0.138 Thread note 8 – 36 UNF Major diameter 0.164 Thread note 10 – 24 UNC Major diameter 0.190

P10-4) Write the thread notes for the following external threads. Also, what are the minor diameter and the number of threads per mm?

(a) (b) (c) (d) (e) (f) (g) Major n M3 M4 M8 M10 M12 M20 M24 Series Coarse Coarse Fine Coarse Fine Fine Coarse

Thread Note M3 x 0.5 Minor diameter 2.396 # of threads per mm 2 Thread Note M4 x 0.7 Minor diameter 3.155 # of threads per mm 1.429 Thread Note M8 x 1 Minor diameter 6.7925 # of threads per mm 1 Thread Note M10 x 1.5 Minor diameter 8.189 # of threads per mm 0.667 Thread Note M12 x 1.25 Minor diameter 10.49 # of threads per mm 0.8 Thread Note M20 x 1.5 Minor diameter 18.189 # of threads per mm 0.667 Thread Note M24 x 3 Minor diameter 20.378 # of threads per mm 0.333

P10-5) Write the thread notes for the following internal threads. Also, what are the tap drill size and/or diameter and the number of threads per mm?

(a) (b) (c) (d) (e) (f) (g) Major n M1.6 M5 M6 M12 M18 M22 M27 Series Coarse Coarse Coarse Coarse Fine Fine Coarse

Thread Note M1.6 x 0.35 Tap drill size and/or diameter 1.25 # of threads per mm 2.86 Thread Note M5 x 0.8 Tap drill size and/or diameter 4.2 # of threads per mm 1.25 Thread Note M6 x 1 Tap drill size and/or diameter 5 # of threads per mm 1 Thread Note M12 x 1.75 Tap drill size and/or diameter 10.3 # of threads per mm 0.571

Thread Note M18 x 1.5 Tap drill size and/or diameter 16.5 # of threads per mm 0.667

Thread Note M22 x 1.5 Tap drill size and/or diameter 20.5 # of threads per mm 0.667

Thread Note M27 x 3 Tap drill size and/or diameter 24 # of threads per mm 0.333

P10-6)This column are values obtained

a) Major diameter 1/4 from table 10-2Width across flats 7/16Max. width across corners 0.5046Head height 3/16Normal clearance hole 9/16 or 9/32

b) Major diameter 5/16Width across flats 1/2Max. width across corners 0.4688Head height 0.5413Normal clearance hole 0.211

c) Major diameter 1/2Width across flats 3/4Max. width across corners 0.8660Head height 11/32Normal clearance hole 17/32 or 9/16

d) Major diameter 7/8Width across flats 1 5/16Max. width across corners 1.5155Head height 37/64Normal clearance hole 29/32 or 15/16

e) Major diameter 1Width across flats 1 1/2Max. width across corners 1.7321Head height 11/16Normal clearance hole 1 1/32 or 1 3/32

f) Major diameter 9/16Width across flats 7/8Max. width across corners 1.0104Head height 25/64Normal clearance hole 5/8

g) Major diameter 3/8Width across flats 9/16Max. width across corners 0.6495Head height 1/4Normal clearance hole 13/32

h) Major diameter 7/16Width across flats 11/16Max. width across corners 0.7939Head height 19/64Normal clearance hole 15/32


a) Major diameter 1/4 from table 10-2 and page 10-18Max. head diameter 3/8Max. head height 1/4Normal clearance hole 9/32Counterbore diameter 7/16 or 3/8Counterbore depth 5/16

b) Major diameter 5/16Max. head diameter 15/32Max. head height 5/16Normal clearance hole 11/32Counterbore diameter 17/32 or 7/16Counterbore depth 3/8

c) Major diameter 1/2Max. head diameter 3/4Max. head height 1/2Normal clearance hole 17/32 or 9/16Counterbore diameter 13/16 or 5/8Counterbore depth 9/16

d) Major diameter #8Max. head diameter 0.2700Max. head height 0.1640Normal clearance hole 0.1940 or 0.1953Counterbore diameter 5/16 or 0.2890Counterbore depth 0.2265

e) Major diameter #5Max. head diameter 0.2050Max. head height 1/8Normal clearance hole 0.1540 or 5/32Counterbore diameter 1/4Counterbore depth 3/16

f) Major diameter 9/16Max. head diameter 27/32Max. head height 9/16Normal clearance hole 5/8Counterbore diameter 5/8 or 11/16Counterbore depth 5/8

g) Major diameter 3/8Max. head diameter 9/16Max. head height 3/8Normal clearance hole 13/32Counterbore diameter 5/8 or 1/2Counterbore depth 7/16

h) Major diameter #10Max. head diameter 0.3120Max. head height 0.1900Normal clearance hole 0.2210 or 0.2213Counterbore diameter 3/8 or 0.3150Counterbore depth 0.2525


a) Major diameter 1/4 from table 10-2Max. head diameter 0.5000Max. head height 0.1490Normal clearance hole 9/32Countersink diameter .5 to 5/8Countersink angle 80 - 82

b) Major diameter 5/16Max. head diameter 0.6250Max. head height 0.1863Normal clearance hole 11/32Countersink diameter 5/8 to 3/4Countersink angle 80 - 82

c) Major diameter 3/8Max. head diameter 0.7500Max. head height 0.2235Normal clearance hole 13/32Countersink diameter 3/4 to 7/8Countersink angle 80 - 82

d) Major diameter 7/16Max. head diameter 0.8120Max. head height 0.2233Normal clearance hole 15/32Countersink diameter 13/16 to 15/16Countersink angle 80 - 82

e) Major diameter 1/2Max. head diameter 0.8750Max. head height 0.2230Normal clearance hole 17/32 or 9/16Countersink diameter 7/8 to 1Countersink angle 80 - 82

f) Major diameter 9/16Max. head diameter 1.0000Max. head height 0.2603Normal clearance hole 5/8Countersink diameter 1 to 1 1/8Countersink angle 80 - 82

g) Major diameter 5/8Max. head diameter 1.1250Max. head height 0.2975Normal clearance hole 21/32 or 11/16Countersink diameter 1 1/8 to 1 1/4Countersink angle 80 - 82

h) Major diameter 3/4Max. head diameter 1.3750Max. head height 0.3720Normal clearance hole 25/32 or 13/16Countersink diameter 1 3/8 to 1 1/2Countersink angle 80 - 82

P10-9) Fill in the given table for a hex head bolt with the following major diameters.

(a) (b) (c) (d) (e) (f) (g) (h) Major n M5 M12 M20 M30 M36 M48 M14 M24

Major diameter M5 Max. width across flats 8 Max. width across corners 9.24 Max. head height 3.88 Thread length for a screw that is shorter than 125 mm

16

Normal clearance hole 5.5 or 5.8


30



46

Normal clearance hole 22 or 20.75


66



78



102

Normal clearance hole 52 or 50


34



54


P10-10) Fill in the given table for a socket head cap screw with the following major diameters.

(a) (b) (c) (d) (e) (f) (g) (h) Major n M1.6 M2.5 M4 M6 M12 M16 M24 M42

Major diameter M1.6 Max. head diameter 3 Max. head height 1.6 Normal clearance hole 1.95 or 1.8 Counterbore diameter 3.5 or 6 Counterbore depth 3.1

Major diameter M2.5 Max. head diameter 4.5 Max. head height 2.5 Normal clearance hole 3 or 3.1 Counterbore diameter 5.4 or 7.5 Counterbore depth 4

Major diameter M4 Max. head diameter 7 Max. head height 4 Normal clearance hole 4.8 or 4.5 Counterbore diameter 8.25 or 10 Counterbore depth 5.5




Major diameter M24 Max. head diameter 36 Max. head height 24 Normal clearance hole 24.75 or 26 Counterbore diameter 37.5 or 39 Counterbore depth 25.5

Major diameter M42 Max. head diameter 63 Max. head height 42 Normal clearance hole 44 or 45 Counterbore diameter 66 or 69 Counterbore depth 43.5

P10-11) Fill in the given table for a flat countersunk head cap screw with the following major diameters.

(a) (b) (c) (d) (e) (f) (g) (h) Major n M16 M3 M12 M5 M6 M8 M10 M4

Major diameter M16 Head diameter 33.60 Head height 8.80 Normal clearance hole 18 or 17.5 Countersink diameter 33.6 or 36.6 Countersink angle 90

Major diameter M3 Head diameter 6.72 Head height 1.86 Normal clearance hole 3.5 or 3.4 Countersink diameter 6.72 or 9.72 Countersink angle 90

Major diameter M12 Head diameter 26.88 Head height 7.44 Normal clearance hole 13.5 Countersink diameter 26.88 or 29.88 Countersink angle 90



Major diameter M8 Head diameter 17.92 Head height 4.96 Normal clearance hole 9 Countersink diameter 17.92 or 20.92 Countersink angle 90

Major diameter M10 Head diameter 22.4 Head height 6.2 Normal clearance hole 11.5 or 11 Countersink diameter 22.4 or 25.4 Countersink angle 90

Major diameter M4 Head diameter 8.96 Head height 2.48 Normal clearance hole 4.6 or 4.5 Countersink diameter 8.96 or 11.96 Countersink angle 90

ASSEMBLY CROSSWORD PUZZLE

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ege4 solution manual

Documents

basic size

bolt clearance holes

sectioning crossword

fasteners multiple answers

general rule of thumb

dimensioning rules

appendix b

specific fasteners