Castings can be supplied as per equipment DIN, JIS, BS and GOST standards.
Other than above, in general we can cast any material compositions as per customers specifications meeting international standards.
Investment Castings Tolerances
GENERAL TOLERANCES FOR FORM AND POSITION (DIN ISO 2768 T2)
STRAIGHTNESS AND FLATNESS
| Ranges in nominal lengths in mm |
Tolerance class |
| H |
K |
L |
| up to 10 |
0.02 |
0.05 |
0.1 |
| over 10 up to 30 |
0.05 |
0.1 |
0.2 |
| over 30 up to 100 |
0.1 |
0.2 |
0.4 |
| over 100 up to 300 |
0.2 |
0.4 |
0.8 |
| over 300 up to 1000 |
0.3 |
0.6 |
1.2 |
| over 1000 up to 3000 |
0.4 |
0.8 |
1.6 |
Perpendicularity
| Ranges in nominal lengths in mm |
Tolerance class |
| H |
K |
L |
| up to 100 |
0.2 |
0.4 |
0.6 |
| over 100 up to 300 |
0.3 |
0.6 |
1 |
| over 300 up to 1000 |
0.4 |
0.8 |
1.5 |
| over 1000 up to 3000 |
0.5 |
0.8 |
2 |
Symmetry
| Ranges in nominal lengths in mm |
Tolerance class |
| H |
K |
L |
| up to 100 |
0.5 |
0.6 |
0.6 |
| over 100 up to 300 |
0.5 |
0.6 |
1 |
| over 300 up to 1000 |
0.5 |
0.8 |
1.5 |
| over 1000 up to 3000 |
0.5 |
1 |
2 |
Run-Out
| Tolerance class |
H |
K |
L |
| Run-Out |
0.1 |
0.2 |
0.5 |
Surface Quality According to ISO R468, DIN 4769 and VSM 10321
| Ra |
Rz |
Rt |
| N9 |
6.3 |
023-32 |
| 25-38 |
|
|