Linear Tolerance
Dimensions |
Normal |
the equivalent |
Premium |
the equivalent |
||
ISO8062-3(2007) |
VDG P690 |
ISO8062-3(2007) |
VDG P690 |
|||
0-6 |
0.15 |
DCTG5 |
D1 |
0.10 |
DCTG3 |
D3 |
6-10 |
0.28 |
DCTG6 |
D1 |
0.12 |
DCTG4 |
D3 |
10-18 |
0.25 |
DCTG6 |
D1 |
0.15 |
DCTG4 |
D3 |
18-30 |
0.30 |
DCTG6 |
D1 |
0.20 |
DCTG5 |
D3 |
30-50 |
0.40 |
DCTG6 |
D1 |
0.25 |
DCTG5 |
D3 |
50-80 |
0.60 |
DCTG7 |
D1 |
0.30 |
DCTG6 |
D3 |
80-120 |
0.80 |
DCTG8 |
D1 |
0.45 |
DCTG7 |
D3 |
120-180 |
1.10 |
DCTG9 |
D1 |
0.60 |
DCTG7 |
D3 |
180-250 |
1.50 |
DCTG9 |
D1 |
0.90 |
DCTG8 |
D3 |
250-315 |
1.90 |
DCTG10 |
D1 |
1.20 |
DCTG9 |
D3 |
315-400 |
2.40 |
DCTG10 |
D1 |
1.50 |
DCTG9 |
D3 |
400-500 |
3.00 |
DCTG11 |
D1 |
1.80 |
DCTG9 |
D3 |
≥500 |
0.70% |
DCTG11 |
D1 |
0.40% |
DCTG9 |
D3 |
Limit Dimension for Cast Holes and Slots
Items |
Hole Dia. |
L/D Hole depth/Pore diameter |
|
2-3 |
L/D≤1 |
4-7 |
L/D≤2.5 |
|
≥8 |
L/D≤3.5 |
|
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2-3 |
L/D≤2 |
4-7 |
L/D≤5 |
|
≥8 |
L/D≤10 |
|
Deeper and more complicated holes and slots can be cast by using soluble wax cores and ceramic cores. |
Angle Tolerance
Angle Tyoe |
|
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Normal |
±1° |
±2° |
±2° |
Premium |
±0.5° |
±1° |
±1° |
Avoid the quick changes of casting structure,use fillet radius on internal angle when possible.which is no less than RO.3. |
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Tolerance for Flatnes,Straightness and Roundness
Dimension(mm) |
Normal(mm) |
Premium(mm) |
0-25 |
0.2 |
0.1 |
25-50 |
0.4 |
0.2 |
50-100 |
0.6 |
0.3 |
100-150 |
0.8 |
0.4 |
Size and Weight Range
Items(mm) |
Size |
Premium |
Outline Dimension(mm) |
1000X620X380 |
<100 |
Weight(kg) |
0.01-120 |
0.1-1.5 |
Min.Wall Thickness |
1.0 |
5-10 |
Phone:+86-13561046112
Email:ancheng@haihe-casting.com
Address:Shengli Industrial Park, Dongying, Shandong