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Tolerance:
Applicable Referance Tolerance standards are IS 11166, ISO 2768, VDG-P690.DIN1680, Class 2.
The tolerance given below are general tolerance. Actual tolerance depends
on Geometry & configuration of part
| DIMENSIONAL TOLERANCE: |
| Dimension
|
Tolerance
|
| Upto 25 |
± 0.125 |
| 25-50 |
± 0.25 |
| 50-75 |
± 0.375 |
| 75-100 |
± 0.5 |
| 100-150 |
± 0.75 |
| 150-200 |
± 1 |
| 200-250 |
± 1.25 |
| 250-300 |
± 1.5 |
| FLATNESS: |
| Dim Range |
As CAST
|
Mechanical Straightened
|
| Upto 25 mm |
0.15 |
0.1 |
| 50 |
0.2 |
0.15 |
| 75 |
0.3 |
0.2 |
| 100 |
0.4 |
0.25 |
| 150 |
0.55 |
0.4 |
| 200 |
0.9 |
0.7 |
| CONCENTRICITY: |
| Diameter
|
Tolerance
|
| 25 |
0.15 |
| 50 |
0.4 |
| 75 |
0.5 |
| 100 |
0.75 |
| 150 |
0.9 |
| 200 |
1 |
| ANGLE: |
| ± 1/2 º in general |
| CAST HOLES: |
| Through Holes L =5*D |
| Blind Holes L = 2*D |
| where L is length of hole and D is diameter |
| SURFACE FINISH: |
| 3.2 to 6 Ra. |
For further details contact our engineering Department.
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