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Parallel flat ruler
Parallel flat ruler
Description: Parallel flat ruler use: used in machine tool inspection to test unevenness and non-straightness two working surfaces are combined with block rules, micrometers, levels and other instruments to test, different heights, the parallel of the two rails and do not connect the level of the rail, and can be combined with the right angle ruler.
Label: Angle flat ruler Aluminum magnesium wide seat right angle ruler aluminum magnesium flat ruler
Parallel flat ruler detailed description
Parallel flat ruler Purpose: for machine tool inspection unevenness and non-straightness two working surfaces are combined with block rules, micrometers, horizontal instruments and other instruments to test, different heights, the parallel of the two rails and do not connect the level of the rail, and can be combined with the right angle ruler, the test only the right angle ruler can not be tested two pieces of vertical measures, It is also suitable for installation and inspection of equipment.
Parallel flat-foot manufacturing standard: manufactured according to JB/T7977-99.
Parallel flat-foot material: grey iron 250, working surface using scraping or precision grinding process.
The inspection method of parallel flat-foot working surface: the flat-foot working surface shall not have defects such as sand holes, pores, cracks, slag, shrink, scratches, bumps, rust spots, etc., which seriously affect the appearance and performance of use.
|
Size mm |
Work surface straight ness or flatness |
Parallelness between work surfaces |
Side-to-face verticality |
|
|
|
|
|
|
|
Accuracy level um |
|
|
|
|
|
|
|
|
|
|
0 |
1 |
2 |
0 |
1 |
2 |
0 |
1 |
2 |
|
|
500x35 |
3 |
6 |
12 |
4.5 |
9 |
18 |
15 |
30 |
60 |
|
750x40 |
4 |
8 |
15 |
6 |
12 |
25 |
20 |
40 |
80 |
|
1000x50 |
5 |
10 |
20 |
7.5 |
15 |
30 |
25 |
50 |
100 |
|
1500x70 |
7.4 |
15 |
30 |
10 |
20 |
40 |
37 |
75 |
150 |
|
2000x90 |
9 |
18 |
36 |
13.5 |
27 |
54 |
45 |
90 |
180 |
|
2500x90 |
11 |
22 |
44 |
16 |
32 |
65 |
55 |
110 |
220 |
|
3000x100 |
13 |
26 |
52 |
19.5 |
39 |
78 |
65 |
130 |
260 |
|
3500x100 |
15 |
30 |
60 |
22 |
45 |
90 |
75 |
150 |
300 |
|
4000x100 |
17 |
34 |
68 |
25 |
50 |
100 |
85 |
170 |
340 |
|
5000x110 |
21 |
42 |
84 |
30 |
60 |
120 |
105 |
210 |
420 |
 |
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Tel：0317-8176855 8177818
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Fax：0317-8031916
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