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Sieve (sieve)/standard sieve for the examination

●I crush raw materials and will use various kinds of sieves (sieve) to get the product of the necessary particle size, but use it because a classification measures whether a product is crushed to the most efficiently necessary particle size in the process.
●About the particle size standard of two kinds or more mixtures, it is said that it is important to measure the particle size constitution.
●As for the standard sieve measuring these, a thing with high precision in particular is required, and the size of materials, a line diameter, a halftone plate, the sieve frame is prescribed by JIS.

It is 2019 diameter (a unit: mm) Z 8801-1 of the eyes gap between net sieve and the metal wire

Eyes gap between sieve
Diameter of the metal wire
Standard dimensions
Allowance
Standard dimensions
Allowance (±)
Mean (±)
Maximum (+)
125
3.296
4.056
8
1.1
106
2.805
3.590
6.3
0.9
90
2.389
3.180
6.3
0.9
75
1.999
2.779
6.3
0.9
63
1.685
2.443
5.6
0.8
53
1.423
2.150
5
0.8
45
1.212
1.906
4.5
0.7
37.5
1.014
1.667
4.5
0.7
31.5
0.855
1.467
4
0.6
26.5
0.722
1.292
3.55
0.55
22.4
0.613
1.143
3.55
0.55
19
0.522
1.013
3.15
0.45
16
0.441
0.894
3.15
0.45
13.2
0.365
0.777
2.8
0.4
11.2
0.311
0.690
2.5
0.4
9.5
0.265
0.613
2.24
0.36
8
0.224
0.542
2
0.3
6.7
0.189
0.477
1.8
0.3
5.6
0.159
0.420
1.6
0.3
4.75
0.135
0.373
1.6
0.3
4
0.114
0.330
1.4
0.3
3.35
0.096
0.292
1.25
0.25
2.8
0.081
0.257
1.12
0.18
2.36
0.069
0.228
1
0.15
2
0.059
0.204
0.9
0.14
1.7
0.050
0.182
0.8
0.12
1.4
0.042
0.159
0.71
0.11
1.18
0.036
0.142
0.63
0.09
1
0.030
0.127
0.56
0.08

It is 2019 diameter (a unit: μm) Z 8801-1 of the eyes gap between net sieve and the metal wire

Eyes gap between sieve
Diameter of the metal wire
Standard dimensions
Allowance
A half of the maximum allowance
Standard dimensions
Allowance (±)
Mean (±)
Maximum (+)
850
26.2
113.9
56.95
500
70
710
22.2
101.1
50.55
450
70
600
19.0
90.6
45.3
400
60
500
16.2
80.5
40.25
315
45
425
14.0
72.5
36.25
280
40
355
12.0
64.7
32.35
224
34
300
10.4
58.2
29.1
200
30
250
8.9
52.0
26
160
30
212
7.8
47.1
23.55
140
20
180
6.8
42.7
21.35
125
19
150
6.0
38.3
19.15
100
15
125
5.2
34.5
17.25
90
13
106
4.7
31.4
15.7
71
11
90
4.2
28.6
14.3
63
9
75
3.7
25.9
12.95
50
7
63
3.4
23.6
11.8
45
7
53
3.1
21.5
10.75
36
5
45
2.8
19.7
9.85
32
5
38
2.6
18.1
9.05
30
5
32
2.4
16.6
8.3
28
5
25
2.2
14.8
7.4
25
4
20
2.1
13.3
6.65
20
3
Remarks: Call; to dimensions ※I can use the thing having the badge only in JIS in accordance with ISO standard.
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Dimensions (a unit: mm) of the frame of the sieve

Item
Dimensions
The inside diameter (D) on from the sieve surface
The inside diameter (D1) on from the sieve surface
200
150
75
Depth (H) from the top surface to the sieve surface
100,60,
40,25
60,45,25
20
Thickness of the frame board
Part (t) on from the sieve surface
0.6
0.6
0.4
Part (t1) lower from the sieve surface
1.0
1.0
0.4
Allowance
The inside diameter (D) that I measured under 5mm from the top surface of the frame
        + 0.8
200          
        + 0.1
       + 0.8
150          
       + 0.1
       + 0.8
75          
       + 0.1
Outer diameter (D1) of the frame of the part lower from the sieve surface
        -0.1
200          
        -1.0
        -0.1
150          
        -1.0
        -0.1
75          
        -1.0
Remarks: The figure shows an example of the shape, and does not prescribe structure.

Materials of the sieve

Item
Materials
Metal wire
SUS 304 of JIS G 4309
Frame of the sieve
SUS 304 of JIS G 4305
※The hand sieve (450 Φ, 360 Φ, 300 Φ, 240 Φ) in the wooden frame is done, too.
※I can make an examination sieve with the halftone plate product except the mention halftone plate (standard sieve standard halftone plate).

Sieve for the examination

 
 
 
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