1. mass of the load. aprox - 4 ton
2. the orientation of the hydraulic cylinder, angle - 30° Downward
3. the distance to move the load, (cylinder stroke) 16 "
4. the time to move
out, 2 secs
5. time between moving, 5 secs
6. the time to move back
in, 2 secs
7. the time to wait between cycles. tiempo entre ciclos. 15 secs
8. velocity and acceleration limits.
123 mm/s max no accel info
They have this proportional valve Rexroth 4WRKE 16 E1 125 L 3X 6E G24 E K31 A1 D3 M and they want to use it.
I do not know if that valve is suitable.
Valve web page:
https://www.boschrexroth.com/en/us/p...es/4wrke/index
This is the data I got from cylinder dimensions.
Piston / Bore Diameter 4.75 in
Rod Diameter 2.5 in
Stroke 16 in
Pressure 1500 psi
Oil Flow 26.6218 gpm
Bore Side Rod Side
Area 17.7205 12.8118 in2
Volume 283.5287 204.9889 in3
Force 26580.8190 19217.7113 lbf
Time 2.7662 2 sec
Velocity 5.7839 8 in/s
Outflow 19.2473 36.8217 gpm
Ratio 1.3831