Tech Tables
Forging Criteria
| |
Brass |
Aluminum |
| Draft Angles |
2-3° |
3-5° |
| Radii |
0.06 |
0.13 |
| Machining Allowance |
.030 Min. |
.030 Min |
| Flash Thickness |
0.04 |
0.06 |
| Flash Extension |
.030 Max. |
.030 Max |
Forging Tolerances
| |
Brass |
Aluminum |
| Linear Dimensions |
±.015 |
0.02 |
| Angular Dimensions |
±1° |
±1° |
| Radial Dimensions |
±.015 |
±.020 |
| Concentricity |
.020 TIR |
.030 TIR |
| Mismatch |
.020 Max |
.020 Max |
| Flash Thickness |
0.04 |
0.06 |
| Flash Extension |
.030 Max. |
.030 Max. |
| Flatness |
.005/inch |
.005/inch |
| Surface Finish |
63-250 rms |
63-250 rms |
*All design criteria subject to review of actual geometry. Dimensions are in inches.
