1. Describe
the relationship between process capability and gage
capability.
2. Conduct a
variable gage study, using the Average and Range method for the
following data:
A. Given a
tolerance of +/- 4.5
OPERATOR
A
OPERATOR B
PART TRIAL 1 TRIAL
2 TRIAL 1 TRIAL
2
1
71
70
75.1 77.4
2
69.5
70.5
71.1 71.8
3
70
72
75.5 78.8
4
72
72.5
79.7 81.2
5
66
67
65.7 65.8
6
66.5
67
68.7 69
7
67.5
70
72
72.7
8
69.5
74
70.1 70.3
9
67
70
79.5 80.2
10
67
68
69.2 69
B. Given a
tolerance of +/- 100
OPERATOR
A
OPERATOR
B
OPERATOR C
PART TRIAL 1 TRIAL
2
TRIAL 1 TRIAL
2
TRIAL 1 TRIAL 2
1
184
186
171
177
176 175
2
186
188
178
185
182 185
3
186
188
190
182
189 189
4
190
188
180
169
187 184
5
186 190 176
178
180 184
6
236
228
230 233 231 228
7
242
236
228 231
232 226
8
240
232
224 236
234 227
9 178
180
184
185
182 180
10
172
176
179
177
175 172
3. Interpret
the results of problem #2 above in terms of :
A. R&R as a percent of tolerance
B. R&R as a percent of total variation
C. Repeatability versus Reproducibility and actions recommended to
improve each.
4. Describe an attribute gage
study. Include number of operators, trials, and parts, and what is
required for the gage to be acceptable.





