胖達 發問時間: 科學化學 · 2 0 年前

濾網的mesh要怎麼計算??

我看了知識+上面許多的算法,

但都跟我在單操課本上看來的不同...

例如知識+上有朋友回答:

孔徑為1/32\"的話 mesh數就是324

若是3/64\"的話mesh數就是225

若是1/10\"的話mesh數就是49

若是1/8\"的話mesh數就是32

那麼我的濾網孔徑0.125mm就應該是1/200\",

mesh數應該是200?

但是課本上查到Tyler篩的規格,0.125mm孔徑的是150mesh...

請問一下到底怎麼算才對啊??

感謝。

1 個解答

評分
  • Yy
    Lv 7
    2 0 年前
    最佳解答

    請參考以下提供的網頁:Larger sieve openings (1 in. to 1/4 in.) have been designated by a sieve "mesh" size that corresponds to the size of the opening in inches.  Smaller sieve "mesh" sizes of 3 1/2 to 400 are designated by the number of openings per linear inch in the sieve.大的濾網孔徑 (1 in. - 1/4 in.) 的 mesh 以其孔徑的吋表示 但小的mesh(3 1/2 - 400 )之篩子 則以每一吋中的孔洞數目表示之Sieve DesignationNominal Sieve OpeningStandardMeshinchesmmMicrons25.4 mm1 in.1.0025.42540022.6 mm7/8 in.0.87522.62260019.0 mm3/4 in.0.75019.01900016.0 mm5/8 in.0.62516.01600013.5 mm0.530 in.0.53013.51350012.7 mm1/2 in.0.50012.71270011.2 mm7/16 in.0.43811.2112009.51 mm3/8 in.0.3759.5195108.00 mm5/16 in.0.3128.0080006.73 mm0.265 in.0.2656.7367306.35 mm1/4 in.0.2506.3563505.66mmNo.3 1/20.2235.6656604.76 mmNo. 40.1874.7647604.00 mmNo. 50.1574.0040003.36 mmNo. 60.1323.3633602.83 mmNo. 70.1112.8328302.38 mmNo. 80.09372.3823802.00 mmNo. 100.07872.0020001.68 mmNo. 120.06611.6816801.41 mmNo. 140.05551.4114101.19 mmNo. 160.04691.1911901.00 mmNo. 180.03941.001000841 mmNo. 200.03310.841841707 mmNo. 250.02780.707707595 mmNo. 300.02340.595595500 mmNo. 350.01970.500500420 mmNo. 400.01650.420420354 mmNo. 450.01390.354354297 mmNo. 500.01170.297297250 mmNo. 600.00980.250250210 mmNo. 700.00830.210210177 mmNo. 800.00700.177177149 mmNo. 1000.00590.149149125 mmNo. 1200.00490.125125105 mmNo. 1400.00410.10510588 mmNo. 1700.00350.0888874 mmNo. 2000.00290.0747463 mmNo. 2300.00250.0636353 mmNo. 2700.00210.0535344 mmNo. 3250.00170.0444437 mmNo. 4000.00150.03737http://www.sigmaaldrich.com/Area_of_Interest/Labor...

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