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Displacement (c): 0.2 in3/rev Shank diameter (d) = 0.625 in. Piston diameter (D) = 1.5 in. Rotation speed (n): 1725 RPM Pressure (P): 600 PSI Stroke (L) = 18in.   a) Calculate the theoretical flow rate of the pump in in3/min and US GPM. Theoretical flow (Q) = Theoretical displacement (C) x Speed of revolution (n) Theoretical flow (Q) = 0.2 in3/rev x 1725 rpm Theoretical flow (Q) = 345 in3/min = 1.49 US GPM b) Calculate the cylinder output speed in in/s. Cylinder output speed (VS) = Piston side flow (Q) / Piston area (Ap) Cylinder output speed (VS) = (Displacement x Speed of revolution) / Piston area (Ap) Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2 Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2 Cylinder output speed (VS) = 196.02in/s = 196.02 / 60s = 3.20 in/s Questions: c) Knowing the output velocity (ram speed), calculate the rod side flow in GPM when the ram is extending. d) Calculate the piston exit time in seconds. e) Calculate the piston entry time in seconds.

Displacement (c): 0.2 in3/rev Shank diameter (d) = 0.625 in. Piston diameter (D) = 1.5 in. Rotation speed (n): 1725 RPM Pressure (P): 600 PSI Stroke (L) = 18in.   a) Calculate the theoretical flow rate of the pump in in3/min and US GPM. Theoretical flow (Q) = Theoretical displacement (C) x Speed of revolution (n) Theoretical flow (Q) = 0.2 in3/rev x 1725 rpm Theoretical flow (Q) = 345 in3/min = 1.49 US GPM b) Calculate the cylinder output speed in in/s. Cylinder output speed (VS) = Piston side flow (Q) / Piston area (Ap) Cylinder output speed (VS) = (Displacement x Speed of revolution) / Piston area (Ap) Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2 Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2 Cylinder output speed (VS) = 196.02in/s = 196.02 / 60s = 3.20 in/s Questions: c) Knowing the output velocity (ram speed), calculate the rod side flow in GPM when the ram is extending. d) Calculate the piston exit time in seconds. e) Calculate the piston entry time in seconds.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question

Displacement (c): 0.2 in3/rev
Shank diameter (d) = 0.625 in.
Piston diameter (D) = 1.5 in.
Rotation speed (n): 1725 RPM
Pressure (P): 600 PSI
Stroke (L) = 18in.

 

a) Calculate the theoretical flow rate of the pump in in3/min and US GPM.
Theoretical flow (Q) = Theoretical displacement (C) x Speed of revolution (n)
Theoretical flow (Q) = 0.2 in3/rev x 1725 rpm
Theoretical flow (Q) = 345 in3/min = 1.49 US GPM


b) Calculate the cylinder output speed in in/s.
Cylinder output speed (VS) = Piston side flow (Q) / Piston area (Ap)
Cylinder output speed (VS) = (Displacement x Speed of revolution) / Piston area (Ap)
Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2
Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2
Cylinder output speed (VS) = 196.02in/s = 196.02 / 60s = 3.20 in/s

Questions:

c) Knowing the output velocity (ram speed), calculate the rod side flow in GPM when the ram is extending.

d) Calculate the piston exit time in seconds.

e) Calculate the piston entry time in seconds.

 

Mano 2 0 psi Diamètre de la tige (d) 0.625 po Diamètre du piston (D) 1.5 po Course (L) 18 po 600 psi 0 GPM wordt 0.2po²/rev Xm Circuit 6.1 Mano 3 0 psi Mano 1 0 psi (M) 1725 tr/min
Transcribed Image Text:Mano 2 0 psi Diamètre de la tige (d) 0.625 po Diamètre du piston (D) 1.5 po Course (L) 18 po 600 psi 0 GPM wordt 0.2po²/rev Xm Circuit 6.1 Mano 3 0 psi Mano 1 0 psi (M) 1725 tr/min
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