A clearance fit between a Shaft and a Pulley is given as 15 H8-f7 (units in mm). Please refer to the Limits and Fits document from myUNISA additional resources; for convenience an excerpt o this table is provided on Page 5. Do the following: 2.1 State the nominal shaft size Using the ISO Limits/Fits table, determine the upper and lower tolerance for the shaft. (Hint, consider the H8 designation and make sure units are correct) 2.2 Using the ISO Limits/Fits table, determine the upper and lower 2.3 tolerance for the hole (bearing). (Hint, consider the f7 designation and make sure units are correct)

International Edition---engineering Mechanics: Statics, 4th Edition
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Author:Andrew Pytel And Jaan Kiusalaas
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Chapter1: Introduction To Statics
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Problem 1.12P: A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...
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Question 2
A clearance fit between a Shaft and a Pulley is given as 15 H8-f7 (units in mm). Please refer
to the Limits and Fits document from myUNISA additional resources; for convenience an
excerpt o this table is provided on Page 5.
Do the following:
2.1
State the nominal shaft size
Using the ISO Limits/Fits table, determine the upper and lower
tolerance for the shaft. (Hint, consider the H8 designation and make
sure units are correct)
2.2
Using the ISO Limits/Fits table, determine the upper and lower
tolerance for the hole (bearing). (Hint, consider the f7 designation and
make sure units are correct)
2.3
Transcribed Image Text:Question 2 A clearance fit between a Shaft and a Pulley is given as 15 H8-f7 (units in mm). Please refer to the Limits and Fits document from myUNISA additional resources; for convenience an excerpt o this table is provided on Page 5. Do the following: 2.1 State the nominal shaft size Using the ISO Limits/Fits table, determine the upper and lower tolerance for the shaft. (Hint, consider the H8 designation and make sure units are correct) 2.2 Using the ISO Limits/Fits table, determine the upper and lower tolerance for the hole (bearing). (Hint, consider the f7 designation and make sure units are correct) 2.3
SELECTED ISO FITS -HOLE
CLEARANCE FITS
H11
H9
H9
DIAGRAM
TO SCALE
FOR 25mm
DIAMETER
H8
H7
H7
HOLES
96
h6
17
e9
d10
SHAFTS
c11
Nominal Sizes Tolerance
Tolerance
Tolerance
Tolerance
Tolerance
Tolerance
Over
To
H11
c11
H9
d10
H9
H8 f7
H7
H7
h6
e9
96
mm
0.001mm 0.001mm 0.001mm 0.001mm 0.001mm 0.001mm 0.001mm0.001mm 0.001mm 0.001mm 0.001mm 0.001mm
mm
60
-120
+25
20
+25
-14
3
14
+10
+10
39
-16
+75
70
145
+30
30
78
+30
20
30
18
3
-10
28
12
+12
12
80
170
36
40
+38
-25
+22
13
28
15
15
10
14
*110
43
+27
32
-75
16
34
43
+18
18
11
10
18
205
-120
-17
130
110
+52
+21
45
-149
+52
to
33
-20
41
+21
13
18
30
-240
92
20
120
-280
160
30
40
50
+39
+25
25
30
+62
80
82
+25
16
160
130
180
112
-25
40
50
-290
Figure 2
Transcribed Image Text:SELECTED ISO FITS -HOLE CLEARANCE FITS H11 H9 H9 DIAGRAM TO SCALE FOR 25mm DIAMETER H8 H7 H7 HOLES 96 h6 17 e9 d10 SHAFTS c11 Nominal Sizes Tolerance Tolerance Tolerance Tolerance Tolerance Tolerance Over To H11 c11 H9 d10 H9 H8 f7 H7 H7 h6 e9 96 mm 0.001mm 0.001mm 0.001mm 0.001mm 0.001mm 0.001mm 0.001mm0.001mm 0.001mm 0.001mm 0.001mm 0.001mm mm 60 -120 +25 20 +25 -14 3 14 +10 +10 39 -16 +75 70 145 +30 30 78 +30 20 30 18 3 -10 28 12 +12 12 80 170 36 40 +38 -25 +22 13 28 15 15 10 14 *110 43 +27 32 -75 16 34 43 +18 18 11 10 18 205 -120 -17 130 110 +52 +21 45 -149 +52 to 33 -20 41 +21 13 18 30 -240 92 20 120 -280 160 30 40 50 +39 +25 25 30 +62 80 82 +25 16 160 130 180 112 -25 40 50 -290 Figure 2
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