(iv) design the gauge to check the dimension of the hole.

Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter2: Measurement, Materials, And Safety
Section2.5: Quality Assurance, Process Planning, And Quality Control
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Solve for c iv only

(a) Explain TWO reasons why the angle dimensions are necessary in the product design?
(b) List THREE types of angular measurement instruments with neat sketches.
(c) Given that the shaft and hole International Tolerance (IT) grade code is 70 G7 h8.
Based on this code, :
(i) calculate the upper and lower limits for hole and shaft
(ii) sketch the basic line and tolerance zone for hole and shaft
(iii) determine the type of fit
(iv) design the gauge to check the dimension of the hole.
Transcribed Image Text:(a) Explain TWO reasons why the angle dimensions are necessary in the product design? (b) List THREE types of angular measurement instruments with neat sketches. (c) Given that the shaft and hole International Tolerance (IT) grade code is 70 G7 h8. Based on this code, : (i) calculate the upper and lower limits for hole and shaft (ii) sketch the basic line and tolerance zone for hole and shaft (iii) determine the type of fit (iv) design the gauge to check the dimension of the hole.
Appendix A: International
Tolerance (IT) chart
TOLERANCES FOR INSIDE DIMENSIONS (HOLES) (UNITS IN 0.001MM)
UNITS IN MM
OVER TO A11 B8 B11 C11 D9 D10 D11 Es E9 F6 7 F8 G6 G7 H5 HG H7 Ha H9 H10
UNITS IN MM
TOLERANCES FOR OUTSIDE DIMENSIONS (SHAFTS) (UNITS IN 0.001MM)
OVER TO he hg h10 h11 is Lis akr n
i7|ト
1 3 +330
十
3
6
十。。。 101
6 10
6
10
14 18
000 0 15 19
3 34-130
20
24 30
+39 +62
-100
40FO +480 +219 1340 +290 +80 +80 +80 450+
65
12 +18 +15 121 +32 140
433 139 50 4
20 +20 +62
9.5 +15
95 :15
* +340 +190 +190 +140174 1220 +290 +106 +134 +49 16
1+100 +100 +100 +6
R 145 58 151
-17,5
159 +
207 +260 +34U F12 2 13
120 L120
+126 +1
100
120 410
120
|+14 +22 +21 +28 +43 +63 +3 40 +55 +45 52 +67
140
305 +395 +148 +185 +68 +83 +108
Table 1: Tolerance
for outside
dimension
(shaft)
Table 1: Tolerance for inside
dimension
(hole)
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Transcribed Image Text:Appendix A: International Tolerance (IT) chart TOLERANCES FOR INSIDE DIMENSIONS (HOLES) (UNITS IN 0.001MM) UNITS IN MM OVER TO A11 B8 B11 C11 D9 D10 D11 Es E9 F6 7 F8 G6 G7 H5 HG H7 Ha H9 H10 UNITS IN MM TOLERANCES FOR OUTSIDE DIMENSIONS (SHAFTS) (UNITS IN 0.001MM) OVER TO he hg h10 h11 is Lis akr n i7|ト 1 3 +330 十 3 6 十。。。 101 6 10 6 10 14 18 000 0 15 19 3 34-130 20 24 30 +39 +62 -100 40FO +480 +219 1340 +290 +80 +80 +80 450+ 65 12 +18 +15 121 +32 140 433 139 50 4 20 +20 +62 9.5 +15 95 :15 * +340 +190 +190 +140174 1220 +290 +106 +134 +49 16 1+100 +100 +100 +6 R 145 58 151 -17,5 159 + 207 +260 +34U F12 2 13 120 L120 +126 +1 100 120 410 120 |+14 +22 +21 +28 +43 +63 +3 40 +55 +45 52 +67 140 305 +395 +148 +185 +68 +83 +108 Table 1: Tolerance for outside dimension (shaft) Table 1: Tolerance for inside dimension (hole) 学” マ | ||亞| | 學 坦切 格识一 切 相 m以相一切 学习 一相切悟可四| 号?|| 相 | |學 =。。|m。一切0|0。 第。 | 。=号| | 相。|=号=| | |? す 学中号 | |号 学| マ 早中 0万0% 0等|0等 o8|o將 一| e3 2|||易|| NOMINAL SIZE RANGE 第。第。|0|等。 。20切0|。 學。 00相。|。 0|0|唱 0 切| 学学| 但一 |录 切 而一设 里 場 而一 學员 | | 器 号 ||| | 号 ミ1三 |學号學 40 6. NOMINAL SIZE RANGE
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