|
Dimensional tolerance: [1] [2]
Table 1:Dimensional tolerance (investment casting) Unit:inch
|
Nominal Size |
Tolerance |
Zone |
- |
Nominal Size |
Tolerance |
Zone |
|
0" |
1" |
±0.005 |
0.010 |
-
|
8" |
9" |
±0.045 |
0.090 |
|
1" |
2" |
±0.010 |
0.020 |
9" |
10" |
±0.050 |
0.100 |
|
2" |
3" |
±0.015 |
0.030 |
 10 |
±0.5% |
1.0% |
|
3" |
4" |
±0.020 |
0.040 |
-- |
-- |
- |
- |
|
4" |
5" |
±0.025 |
0.050 |
- |
- |
|
- |
|
5" |
6" |
±0.030 |
0.060 |
- |
- |
- |
- |
|
6" |
7" |
±0.035 |
0.070 |
- |
- |
- |
- |
|
7" |
8" |
±0.040 |
0.080 |
- |
- |
- |
- |
Table
2:Dimensional tolerance (lost wax casting) Unit:inch
|
Nominal Size |
Tolerance |
Zone |
- |
Nominal Size |
Tolerance |
Zone |
|
0" |
1" |
±0.010 |
0.020 |
-
|
8" |
9" |
±0.055 |
0.110 |
|
1" |
2" |
±0.015 |
0.030 |
9" |
10" |
±0.060 |
0.120 |
|
2" |
3" |
±0.020 |
0.040 |
10 |
±0.6% |
1.2% |
|
3" |
4" |
±0.025 |
0.050 |
- |
- |
- |
- |
|
4" |
5" |
±0.030 |
0.060 |
- |
- |
- |
- |
|
5" |
6" |
±0.035 |
0.070 |
- |
- |
- |
- |
|
6" |
7" |
±0.040 |
0.080 |
- |
- |
- |
- |
|
7" |
8" |
±0.050 |
0.100 |
- |
- |
- |
- |
Table
3:Dimensional tolerance (resin sand casting) Unit:inch
|
Nominal Size |
Tolerance |
Zone |
- |
Nominal Size |
Tolerance |
Zone |
|
0" |
1" |
±0.040 |
0.080 |
-
|
8" |
9" |
±0.090 |
0.180 |
|
1" |
2" |
±0.050 |
0.100 |
9" |
10" |
±0.095 |
0.190 |
|
2" |
3" |
±0.055 |
0.110 |
10 |
±1% |
2% |
|
3" |
4" |
±0.060 |
0.120 |
- |
- |
- |
- |
|
4" |
5" |
±0.065 |
0.130 |
- |
- |
- |
- |
|
5" |
6" |
±0.070 |
0.140 |
- |
- |
- |
- |
|
6" |
7" |
±0.075 |
0.150 |
- |
- |
- |
- |
|
7" |
8" |
±0.080 |
0.160 |
- |
- |
- |
- |
Table
4:Hole and Slot Unit:inch
|
Hole |
Hole |
|
Diameter(d) |
Maximum Length |
Width(b) |
Maximum Depth |
|
Through |
Blind hole |
Open Slot |
Closed Slot |
|
0.08" |
0.16" |
1xd |
1/2xd |
0.08" |
0.16" |
1xb |
1xb |
|
0.16" |
0.24" |
2xd |
1xb |
0.16" |
0.24" |
2xb |
1xb |
|
0.24" |
0.40" |
3xd |
11/2xd |
0.24" |
0.40" |
3xb |
1.5xb |
|
0.40" |
|
Over3xd |
Max2xd |
0.40" |
-- |
4xb |
Max2xb | | 
