Sell supply cast iron surface plate @Afghanistan
Materials and Processing: The material of our surface plate is high strength cast iron HT200-300,working surface degree of hardness is HB170-240, undergoes two manual handlings(artificial annealing 600-700 degrees with natural aging 2-3years) to make the product stable in accuracy and good in grinding resistance.
Precision: According to the national standards measurement examination regulations execution, JB/T7974-99 respectively is 0,1,2,3.
|
Type(mm) |
Precision Grade(μm) |
|||
|
Grade 0 |
Grade 1 |
Grade 2 |
Grade 3 |
|
|
100x200 |
6 |
12 |
24 |
|
|
200x200 |
6 |
12 |
24 |
|
|
200x300 |
7 |
13 |
25 |
|
|
300x300 |
7 |
13 |
26 |
|
|
300x400 |
7 |
14 |
28 |
|
|
400x400 |
7 |
14 |
28 |
|
|
400x600 |
8 |
16 |
35 |
80 |
|
450x600 |
8 |
16 |
32 |
80 |
|
500x600 |
9 |
18 |
36 |
90 |
|
750x1000 |
10 |
20 |
40 |
110 |
|
1000x1500 |
12 |
25 |
50 |
125 |
|
1500x2000 |
-- |
-- |
60 |
150 |
|
3000x3000 |
|
|
|
200 |
|
3000x5000 |
-- |
-- |
-- |
200 |
Post by Deng Jessie Measurement & Analysis Instruments @2012-04-13 13:51:18
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