|
|
RECOMMENDED
SPECIFICATION
:
|
 SIZE AND WEIGHT
| Items |
Optimum |
Desirable |
|
Diameter |
200
mm or less |
300
mm or less |
|
Weight |
1 kg or less |
20 kg or less |
|
|
(For Ferrous
Casting Only) |
|
|
|
LINEAR TOLERANCE |
| Dimensions |
Normal |
Premium |
| 0
- 10 mm |
±
0.25 mm
|
±
0.10 mm |
| 11
- 25 mm |
±
0.15
mm |
| 26
- 50 mm |
±
0.40 mm |
±
0.25
mm |
| 51
- 75 mm |
±
0.50 mm |
±
0.35
mm |
|
76
- 100 mm
|
±
0.70 mm |
±
0.50
mm |
|
above100 mm
|
±
1% |
± 0.5% |
|
|
|
ANGULAR TOLERANCE |
| Angle |
Normal |
Premium |
| α |
±
1° |
±
30' |
| β |
±
2° |
±
1° |
| γ |
±
3° |
±
1° |
|
|
|
SURFACE ROUGHNESS
| GENERAL : 90~125RMS
( For Ferrous Casting Only ) |
|
|
|
HOLE IN DESIGN
 |
|
FILLET IN DESIGN
 |
|
|
BACK TOP |
|
|