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  • Users: BEMPE16524
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  1. BEMPE16524

    Hydraulic Damper

    Hello Guys, I need some help. This photo is showing a dampener system (hydraulic cylinder and double accumulators). SWL of the system is 50 Ton. The movement of the pivoted point is very minor (I think not more than 3 degrees). So, I am not familiar with the system, do you know if there is...
  2. BEMPE16524

    HYDRAULIC DAMPING - TRY TO UNDERSTAND THE DIAGRAM

    Hi Guys, I have a system as in following image: it is a launch and recovery system (LARS). the snubber will carry a suspension load and move together with the LARS leg (luff in/out). the operating pressure is around 210Bar. So I'm trying to understand the hydraulic diagram here but I still...
  3. BEMPE16524

    Crawler Wheeled Track

    Hi All, Anyone familiar with the construction of wheel track: what is the black material? is it a solid rubber that wrap the wheel? any idea of any company producing the complete assembly in UK or Canada? R.Efendy
  4. BEMPE16524

    rubber bellow/air spring crack/burse hole repair

    Hi all, Anyone has experience to repair the bellow? any suitable glue, etc. for it? my bellow as in attachment. my operating pressure internally is very low, 15 psi max...
  5. BEMPE16524

    DATA NOT RECEIVE USING FIBER OPTICAL MULTIPLEXER

    dear all, I am dealing with an underwater vehicle. actually this is my first time facing this issue after so many years of working with the same fiber optical multiplexer (see attachment page 3.8). the card is 907 Plus multiplexer (with remote card at one end and console card at the other...
  6. BEMPE16524

    Fiber Optical Multiplexing

    Hi All, Hopefully I'm in the correct room. I'm planning to use some available in the market CWDM for my own project as describe in photo: there are links for the products below...
  7. BEMPE16524

    bi-directional potentiometer

    Hi, I'm looking for an alternative brand for this type of potentiometer. using it for a joystick project. It should be able to work for +/- directions. currently using Contelec (PL310 model) brand but curious if anyone have any idea on other brand which I can't find in google. or is there any...
  8. BEMPE16524

    Hydraulic Motor Power Confusion

    Dear All, I have a confusion here. I have a working system like this, Electrical motor: RPM: 1500 @50Hz Full load torque: 1651 Power: 250kW Hyd pump: Model: Eaton PVWS 360M (variable displacement) flow: 360cc Power consumption: 315kW @ 350Bar Driving torque: 2005 @ 350Bar above pump will...
  9. BEMPE16524

    Weldment Profile not appear after Importing from Design Library: Solidworks Content (Weldments)

    Hi, As title indicates, I wonder what did I do wrong? After importing to specific folder of the profile, I can't get all new profiles. Please someone help. Thanks. R.Efendy
  10. BEMPE16524

    Suction Filter Sizing

    Hi All, I have a system like this: -variable displacement pump maximum 360cc. -operating pressure 200-220 Bar -Calculated system flow at 1800RPM at 220 Bar is 648 lpm. -the pump is needed to run a hydraulic motor only. -the pump and the hydraulic motor location may not be too far apart (around...
  11. BEMPE16524

    Pump output control

    Dear All, I have a system where the pump (Rexroth AA10VSO Series 31) output is controlled by means of a control valve pack. I'm just wondering how can the output be controlled if the pump shaft speed is same as drive motor speed and the speed is constant throughout the process. Sorry, I'm not a...
  12. BEMPE16524

    Help on Motor stator and rotor assembly supplier

    I'm looking for some help here. Original post is here: https://www.eng-tips.com/viewthread.cfm?qid=492998 Doesn't matter from which country. TIA R.Efendy
  13. BEMPE16524

    MOTOR ROTOR/STATOR SUPPLIER/MANUFACTURER

    Hi All, Please let me know of any manufacturer/supplier who sells just stator/rotor assembly only. Basically it will be an oil filled motor housing. One of my common supplier is Ziehl Abegg. I need some other options please. 100HP and above. TIA. R.Efendy
  14. BEMPE16524

    Cable Carousel Analysis

    Hi All, I want to know how can i model this situation in Solidworks simulation. This solution was done using ANSIS by someone. Can someone guide me please. R.Efendyhttps://files.engineering.com/getfile.aspx?folder=d385f832-e286-4c20-b6c0-60effc454f0f&file=21028_(5).pdf
  15. BEMPE16524

    Launch and recovery system (LARS / A-frame) Need some ideas.

    Hello guys, i have tried to figure out why do they make the base unparallel as in the photo (you can see the hydraulic cylinders as well) but can't think off anything logical. appreciate all ideas. R.Efendy
  16. BEMPE16524

    Converting a Variable Displacement System to Fixed

    Hi All, I have a Rexroth AA10VSO Series 31 hydraulic variable displacement, axial piston pump (please see attachment) The reason I want to convert it to fixed displacement is because we don't need any variable output anymore. we will have a mechanical softstart for the hydraulic. Also we need...
  17. BEMPE16524

    Cable Carousel

    Hello Everyone, I'm trying to figure out the acting force on the the wall/fence of a cable carousel as in following image: I tried to look for a design standard but so far I couldn't find one. So, here is my assumption: n : vertical number of cable layers nh : number of cable turns on each...
  18. BEMPE16524

    Volume Flow of a Propeller

    Hi All, I'm sure there is a correct formula to calculate the volume flow rate. But i just want to know if my common sense is generally correct or wrong. Volume flow per revolution of a propeller = 3.142 x (radius of propeller)^2 x L (as in photo) x no. blade? Thanks in advance. R.Efendy
  19. BEMPE16524

    PVG 32 AND 120 PROBLEM

    Hi Guys, I have a problem with a PVG 120 valve. The schematic is shown in attachment (marked as DCV-1). When i operate other functions (using PVG32) besides 'Luff'(using PVG120), the luff cylinder is pushed out. Regardless whether i operate the lever up or down, the luff cylinder will be...
  20. BEMPE16524

    WINCH DRUM PRESSURE

    Dear Experts, I just want to know if my assumption is correct: Line pull = 65,000 N Safety factor = 3 Total, Ft = 195,000 N Drum core Diameter, Dc = 1.2 meter Drum Width, Wd = 1.5 m No. of wire wrap = 37.5 (on single layer) Circumference, C = pi.Dc...

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