|
|
Hot-rolled Machining Allowance and Tolerances
 |
the sizes that are not considered here have to be agreed upon in the purchase order |
|
(
2 a
) |
(
b
) mm after machining |
Lucefin Group
min. allowance mm (
2 a
) as a function of thickness
h |
|
raw material |
< 10 |
> 10
<
25 |
> 25
<
35 |
> 35
<
60 |
> 60
<
80 |
> 80
<
100 |
> 100
<
130 |
> 130
<
150 |
> 150
<
180 |
> 180
<
200 |
> 200
<
220 |
> 220
<
250 |
|
2,0 |
|
< 20 |
2,0 |
2,5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
2,5 |
> 20 |
< 25 |
2,5 |
2,5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
3,0 |
> 25 |
< 35 |
3,0 |
3,0 |
3,0 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
3,5 |
> 35 |
< 60 |
3,0 |
3,0 |
3,0 |
3,5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
4,5 |
> 60 |
< 80 |
3,5 |
3,5 |
4,0 |
4,0 |
4,5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
5,0 |
> 80 |
< 100 |
4,0 |
4,0 |
4,0 |
4,5 |
5,0 |
6,0 |
7,0 |
-- |
-- |
-- |
-- |
-- |
|
6,0 |
> 100 |
< 130 |
4,5 |
5,0 |
5,0 |
5,5 |
6,0 |
7,0 |
7,0 |
8,0 |
-- |
-- |
-- |
-- |
|
8,0 |
> 130 |
< 150 |
5,0 |
5,5 |
6,0 |
6,0 |
6,5 |
8,0 |
8,0 |
8,0 |
-- |
-- |
-- |
-- |
|
9,0 |
> 150 |
<
180 |
-- |
6,0 |
6,0 |
6,5 |
7,0 |
8,0 |
9,0 |
9,0 |
10,0 |
-- |
-- |
-- |
|
10,0 |
> 180 |
< 200 |
-- |
6,5 |
7,0 |
7,0 |
8,0 |
9,0 |
9,0 |
9,0 |
10,0 |
-- |
-- |
-- |
|
12,0 |
> 200 |
< 220 |
-- |
8,0 |
8,5 |
8,5 |
9,0 |
9,5 |
10,0 |
10,0 |
10,5 |
10,5 |
11,0 |
-- |
|
14,0 |
> 220 |
< 250 |
-- |
9,0 |
9,0 |
9,0 |
10,0 |
10,0 |
10,0 |
10,5 |
10,5 |
11,0 |
12,0 |
12,0 |
|
15,0 |
> 250 |
< 300 |
-- |
9,0 |
9,0 |
10,0 |
10,0 |
11,0 |
11,0 |
11,0 |
11,0 |
11,5 |
12,0 |
12,0 |
|
16,0 |
> 300 |
< 350 |
-- |
9,0 |
9,0 |
10,0 |
10,0 |
11,0 |
11,0 |
11,0 |
11,0 |
12,0 |
12,0 |
12,0 |
|
18,0 |
> 350 |
< 400 |
-- |
9,0 |
10,0 |
10,0 |
11,0 |
11,0 |
11,0 |
11,0 |
11,5 |
-- |
-- |
-- |
|
20,0 |
> 400 |
< 450 |
-- |
10,0 |
10,0 |
10,0 |
11,0 |
11,0 |
11,0 |
11,0 |
-- |
-- |
-- |
-- |
|
22,0 |
> 450 |
< 500 |
-- |
-- |
-- |
10,0 |
11,0 |
11,0 |
11,5 |
11,5 |
-- |
-- |
-- |
-- |
|
24,0 |
> 500 |
< 550 |
-- |
-- |
-- |
11,0 |
11,0 |
11,0 |
11,5 |
11,5 |
-- |
-- |
-- |
-- |
|
26,0 |
> 550 |
< 600 |
-- |
-- |
-- |
11,0 |
11,0 |
11,5 |
11,5 |
11,5 |
-- |
-- |
-- |
-- |
|
28,0 |
> 600 |
< 700 |
-- |
-- |
-- |
11,0 |
11,0 |
11,5 |
11,5 |
11,5 |
-- |
-- |
-- |
-- |
|
30,0 |
> 700 |
< 805 |
-- |
-- |
-- |
11,0 |
11,5 |
11,5 |
11,5 |
11,5 |
-- |
-- |
-- |
-- |
|
Example: for a finished flat 110x70 mm, you have to order 116x76 mm. If this size is not in the normal range of production, you'll have to order a 120x80 mm. |
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