Скачать или смотреть Lecture 13 | Unloading valve | High-low (Hi lo) double pump system

This video explains the working of punch press circuit using unloading valve. This hydraulic circuit is also known as High-low double pump system used in punch press application.
It uses unloading valve, 4/3 manually operated, spring controlled D.C. valve & two pumps P1 & P2. Pump P1 is constant low volume, high pressure pump whereas pump P2 is variable high volume, low pressure pump.
Due to back pressure generated in the circuit, the unloading of the pump P2 takes place through unloading valve. You may find various interesting hydraulic & pneumatic circuit working in our playlist.

Useful playlists :
Hydraulic circuit & pneumatic circuit working - https://bit.ly/3zAx1e4
Cam profile - https://bit.ly/3vjpY7a
Mechanics - https://bit.ly/3PClXmz
Beam reaction & Graphic statics - https://bit.ly/3veMwWA
SFD and BMD- Simply supported beam and cantilever beam - https://bit.ly/3PDzA4V
SOM & Structural analysis videos - https://bit.ly/3OEqX8S
Heat transfer - https://bit.ly/3PzxiUe
Thermodynamics - https://bit.ly/3J5ZvQd
Fluid mechanics - https://bit.ly/3ODuggg
Dynamics of machinery playlist : https://bit.ly/3zyRakK
SPPU Paper solutions -https://bit.ly/3S7dmcU
Turbomachinery - https://bit.ly/3cyBftE
I.C. Engine numericals -https://bit.ly/3veJf9K
Machine Design - https://bit.ly/3zBjZgx
Thermodynamics Excel Calculators - https://bit.ly/3cJBYbM
Synthesis of mechanisms - https://bit.ly/3PFSCaD
Finite Element Analysis (F.E.A.) - https://bit.ly/3PYtCex
Mathematics - https://bit.ly/3JaAnHX


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