| |
Dimensions |
Tolerances |
| Inches |
Millimeters |
Inches |
Millimeters |
| |
|
|
|
|
| Size |
|
|
|
|
| Unfinished surfaces:(including draft) |
0-1 |
0-25 |
¡À0.016 |
¡À0.4 |
| |
1-2 |
25-50 |
¡À0.031 |
¡À0.8 |
| |
2-3 |
50-75 |
¡À0.031 |
¡À0.8 |
| |
3-4 |
75-100 |
¡À0.047 |
¡À1.2 |
| |
4-5 |
100-125 |
¡À0.047 |
¡À1.2 |
| |
5-6 |
125-150 |
¡À0.062 |
¡À1.6 |
| |
5-7 |
150-175 |
¡À0.062 |
¡À1.6 |
| |
7-8 |
175-200 |
¡À0.078 |
¡À2.0 |
| |
8-9 |
200-225 |
¡À0.078 |
¡À2.0 |
| |
9-10 |
225-250 |
¡À0.094 |
¡À2.4 |
| |
10-12 |
250-275 |
¡À0.094 |
¡À2.4 |
| |
|
|
|
|
| Finished surfaces; |
|
|
|
|
| any plane ground dimension |
|
|
¡À0.005 |
¡À0.1 |
| |
|
|
|
|
| Center or centerless ground: |
|
|
|
|
| 0 to 1.5 Inches OD (0 to 38) |
|
|
¡À0.004 |
¡À0.1 |
| Over 1.5 Inches OD (over 38mm) |
|
|
¡À0.008 |
¡À0.2 |
| |
|
|
|
|
| Parallelism: |
|
|
|
|
| Finished surfaces |
|
|
1/2 total tolerance between surfaces |
| |
|
|
|
|
| Angles,including squareness: |
|
|
¡À1.5¡ã |
|
| Between two unfinished surfaces |
|
|
|
|
| |
|
|
|
|
| Between one finished surfaces & one |
|
|
¡À1.5¡ã |
|
| unfinished surface |
|
|
|
|
| |
|
|
|
|
| Between two finished surfaces |
|
|
¡À0.005(¡À0.1mm) from true angle as |
| |
|
|
measured on the shorter of the two |
| |
|
|
surfaces in question or ¡À 1/2 ,which |
| |
|
|
ever is greater |
| |
|
|
|
|
| Concentricity between inside and |
|
|
|
|
| outside surfaces: |
|
|
|
|
| Unfinished surfaces |
|
|
|
|
| Hole diameter > its length |
|
|
0.032 TIR |
0.8 TIR |
| Hole diameter < its length |
|
|
1.5 x Total OD TOL. TIR |
| |
|
|
|
|
| Finished surfaces |
|
|
0.007 TIR |
0.2 TIR |
| |
|
|
|
|
| Surface roughness: |
|
|
|
|
| Unfinished surfaces |
|
|
No surface roughness specification |
| |
|
|
|
|
| Finished surfaces |
|
|
63 microinches(1.6¦Ìm) over at least |
| |
|
|
95% of the surface |
