? 硬管管路的正確布置 Routing of tube lines - 寧波海曼科機械有限公司
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      硬管管路的正確布置 Routing of tube lines
      作者: 發布時間: 2021-06-11 點擊次數: 892

      安裝布置硬管管路時,應注意下列幾點:Routing of tube lines should pay attention to the following.

      1、 管子長度要短,管徑要合適,流速過高會損失能量。

            The length of tube should be short and tube O. D. should be suitable, the energy will loss if the velocity is too large.

        2、 兩固定點之間的連接,應避免緊拉,需要一個松彎部分,如圖1所示,以便于裝卸,也不會因熱脹冷縮而造成嚴重的拉應力。

            The tube connection should avoid strain, it is good that have a bending part. see Fig. 1.

      1.gif

      3、 管子的彎管半徑應盡可能大,其最小彎管半徑一般為硬管外徑的2.5倍,不小與2倍。管端處應留出直管部分,其距離為管接頭螺母高度的兩倍以上。如圖2所示。

              The tube bending radius is large as possible. The min. bending radius is about 2.5 times of the O. D. The tube end should be straight and the spacing is above 2 times of the tube nut . see Fig .2

      2.gif

      Rmin=2.5D   H2h

      4、 硬管的主要失效型式為機械振動引起的疲勞失效,因此當管路較長時,一定要加管夾固定,這樣不僅可以緩沖振動,還可減少噪音。在有彎管的管路中,在彎管的兩端直管段處要加支撐管夾固定,在與軟管連接時,應在硬管端加管夾支撐。管夾間距推薦如圖3及表三。

      Fatigue failure due to mechanical vibration accounts for the majority of tube line failures. when the tube line is longer, we can use tube clamps to support the system. Proper clamping of the tube can reduce system noise. Recommended tube clamp spacing as shown in Fig. 3 and table 1.

      3.gif

      管子外徑(mm

      TUBE O.D.

      管夾間距Amm

      CLAMP SPACING

      管夾間距Bmm

      CLAMP SPACING

      管夾間距Cmm

      CLAMP SPACING

      6-12.7

      50

      900

      100

      15.9-22.2

      100

      1200

      200

      25.4

      100

      1500

      200

      37.8-38.1

      150

      2100

      300

      48.3

      150

      2700

      300

      5、 避開障礙物時不要使用太多的90°彎曲管,流體經過一個90°的彎曲管的壓降比經過兩個45°的彎曲管還要大。如圖4所示,應選用正確的彎管角度。

             Get around obstructions without using excessive amount of 90°bends. Pressure drop due to one 90°bend is greater than that due to two 45°bends. See Fig. 4

      4.gif

      6、 布置管路時,盡量時管路遠離需經常維修的部件,如圖5所示。

             Keep tube lines away from components that require regular maintenance.

      5.gif

      7、 管路排列應有序、整齊,便于查找故障、保養和維修。如圖6所示。

             Have a neat appearance and allow for easy trouble-shooting, maintenance and repair. See Fig. 6

      6.gif

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