Vacuum Handling System Technology

วันเสาร์ที่ 29 พฤศจิกายน พ.ศ. 2557

How to choose right hose in vacuum system design

การหาขนาดท่อในระบบแวคคัม  Calculate vacuum hose diameter


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D = Diameter of supply hose from vacuum generator (mm)
n = number of distributor hose
d = diameter of distributor hose (mm)
A = area of hose (mm2)
Example 1
How to calculate hose for distributor branch with main ID  D = 10 mm
number of hose  n = 4
d = D/(√n) 
= 10/(√4)
=  5  mm
hose ID for distributor d= 5 mm
Example 2 
How to calculate hose ID  main supply
number of hose = 4
hose ID for distributor d= 5 mm
A = (π d^2/4)* n
= (π 5^2/4)* 4
= 78.56 mm2 
A =  π D^2/4
D = √(4*78.56)/π
= 10 mm
hose ID for main supply =  10 mm

For Vacuums Calculation Tools

https://www.asenc.co.th/ASCalculator/install.htm