Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. lukin1977

    Proportional Valve issue

    https://www.youtube.com/watch?v=q1labA0dx0M
  2. lukin1977

    Proportional Valve issue

    What cause the cylinder to change it's position with no Electro-valve energized? Looks like gravity. The oil return line is open and the cylinder falls down by gravity
  3. lukin1977

    Speed feedback terminals

    Apparently not. Here are some images from the manual. It never says anything about those 3 terminals
  4. lukin1977

    Speed feedback terminals

    Does anyone knows what are the terminals A B C (between - and +) for? Picture is of a DC Drive. - and + are used to connect a tachogenerator coupled to the motor. Conector ENC 1 is for sinusoidal enconder Conector ENC 2 is for digital enconder I have looked in the manual but could not find it...
  5. lukin1977

    Air conditioner compressor diagnosis

    Hello, I have receive one air conditioner compressor from one of our offices that according to a local technician has a burnt or bad compressor I have measured ohm values and this is the result Comon to Start winding: 0,5 ohms Comon to Run: 1,2 ohms Run to Start: 1,7 ohms Comon is brown Start...
  6. lukin1977

    Inverter Drive Setting

    thanks for your explanations
  7. lukin1977

    Inverter Drive Setting

    Hello I am doing the configuration of a VFD and in the "select control mode" there are 3 options 1. SVC control 2. FVC control 3. V/F control What are the first 2?
  8. lukin1977

    The Pitch of an Intermittent Weld

    Is much easier to the welder to measure the length of the weld than the angle
  9. lukin1977

    Avoiding Packaging mistakes

    How do you even ensure that plastic bags even have correct labels if you have so many problems further down the line? Exactly, I can´t
  10. lukin1977

    Configure Variable Torque VFD to run a Constant Torque Motor

    is it an ATV630D75M3?
  11. lukin1977

    How do you handle expansion between dissimilar materials

    In some applications a gasket is use to absorb thermal expansion
  12. lukin1977

    Avoiding Packaging mistakes

    Thanks to all for your inputs. Sadly most of them are way to complex and/or expensive for us to implement them Deserfox approach is interesting. We can probably do that. I am also thinking of making matching color labels for the inside bags product and the outside box Our packaging consist of...
  13. lukin1977

    Avoiding Packaging mistakes

    The problem is that we manufacture many types of products and a lot of times there were mistakes made at the packaging stage For example, product inside wrong box, wrong labeling The packaging is done by hand According to your experience what is a good system for avoiding mistakes. I know is...
  14. lukin1977

    HELP- Self Lubricating Bearing or Rolling Bearing for this Oscillating Application

    What about a Thrust Sperical Plain Bearing or a Thrust Sperical Ball Bearing assembly? https://www.skf.com/id/products/plain-bearings/spherical-plain-bearings-rod-ends/thrust
  15. lukin1977

    Pressure and Time Switch

    I do not need a lot of precision in pressure value
  16. lukin1977

    Pressure and Time Switch

    Thanks for your reply I forgot to specified that the cylinder is an hydraulic cylinder, compact pressure should be around 700 psi. The machine already has an adjustable pressure switch at the high pressure side so I am thinking that using an on-delay as suggested by danw2 is the best way to do it
  17. lukin1977

    Pressure and Time Switch

    Dear Experts I have a machine that has one double effect cylinder and I need the cylinder to go forward. Then the cylinder will reach a load that has to be compacted. So I need the cylinder to maintain certain value of pressure for 5 seconds and then retract My question is: Is there a pressure...
  18. lukin1977

    on/off solenoid activated bypass valve

    OP`s quote: "I want to keep the motor working even when the cylinder is not working. The reason for that is to not waste a time waiting for the motor to start working" A Tandem Center Directional Valve will do that and the cylinder position will be fixed An Open Center Directional Valve will...
  19. lukin1977

    What is this valve?

  20. lukin1977

    What is this valve?

    It is a Manual Shut off valve as you said. It has a cylindrical plunger that goes up or down

Part and Inventory Search

Back
Top