hydraulic elevator using telescopic cylinder
Hello everybody ,
I made this thread because i met a problem in my graduation project ,
The project is Hydraulic elevator using telescopic cylinder , and the problem which we met is that we need to move the elevator with constant speed for about 5 floors , we selected the suitable telescopic cylinder with 6 stages .
The problem is we have fixed displacement pump and as you know the telescopic cylinder is changing in the inside volume every stage and we have constant flow rate .
I want to know how i can calculate the suitable flow rate and how i can keep the velocity constant ,
I heard about proportional flow control but i don't know how to adjust it and how to install it in the hydraulic circuit .
If anybody see another solution for my problem please help me
Thanks for All
Keta
I made this thread because i met a problem in my graduation project ,
The project is Hydraulic elevator using telescopic cylinder , and the problem which we met is that we need to move the elevator with constant speed for about 5 floors , we selected the suitable telescopic cylinder with 6 stages .
The problem is we have fixed displacement pump and as you know the telescopic cylinder is changing in the inside volume every stage and we have constant flow rate .
I want to know how i can calculate the suitable flow rate and how i can keep the velocity constant ,
I heard about proportional flow control but i don't know how to adjust it and how to install it in the hydraulic circuit .
If anybody see another solution for my problem please help me
Thanks for All
Keta
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