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  • Users: lukin1977
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  1. 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...
  2. 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...
  3. 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?
  4. 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...
  5. 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...
  6. lukin1977

    What is this valve?

    Sirs, Please tell me what type of valves are the two gray ones (picture attached) Red tube is pressure Blue are A and B for cylinder Yellow is tank The aachine consist of two oppoiste cylinders that are used to compact flux to be feed into another machine (an extruder press) My guess is that...
  7. lukin1977

    Gear Pinion outside diameter calculation

    Hello, I need to make 3 new helical gear pinions with the same type of teeth of the attached picture (sample gears) How can I calculate the outside diameter D for each of the new pinions. Z1=20 , Z2=22 and Z3=24 I have measured the outside diameter of the 2 sample gears: Z=40 , outside...
  8. lukin1977

    NEMA or IEC Code : Forced Ventilation Motor

    Hello, What is the NEMA o IEC code for the forced ventilation type of induction motor? See attached picture or how are they called?
  9. lukin1977

    Faulty MCCB Legrand DPX 1600

    Dear Sirs, We have in operation a MCCB Legrand DPX 1600 and the other day we need to cut the power of the network to do same maintenance works and after we finished the works we tried to reconnect the Breaker nut as soon as we pull up the MCCB`s handle it goes down again (not fully down)...
  10. lukin1977

    Blue Powder Pigment

    I am looking for a blue powder pigment to be use in the manufacture of welding electrodes. The pigment will be add to the flux formulation. Can anyone recommend me what product shall we use? Thanks in advance
  11. lukin1977

    Blue Powder Pigment

    I am looking for a blue powder pigment to be use in the manufacture of welding electrodes. The pigment will be add to the flux formulation. Can anyone recommend me what product shall we use? Thanks in advance
  12. lukin1977

    Surface Treatment Type

    Hi I want to know what type of coating or treatmente is the one shown on the pictures (dark grey). The shaft is metallic Can anyone identify by looking at the attached pictures?
  13. lukin1977

    DC Motor Drive Question

    Hi, I am installing a DC Drive and it is not very clear to me what is the difference between enable and inhibit contacts Can anyone explain me? Thanks
  14. lukin1977

    Connector Name?

    Hello I need to buy the female connector that goes with the ones shown on the attached picture but I dont know how it is call and where to find it Any help please
  15. lukin1977

    External screw thread

    I need to make a male thread on the tip of an hydraulic rod. The diameter is 64mm and I need to machine M64x3,0. Lenght= 80mm Is there a way of doing this job without disassembling the rod? Maybe with a hand die?
  16. lukin1977

    Rod seals

    I am having trouble finding a supplier for rod seals for a hydraulic press Can anyone recommend a supplier please?
  17. lukin1977

    SCR module Question

    Can anyone explain me what are: 1) Current It av 2) On state RMS current IT (rms) in a SCR module thanks!
  18. lukin1977

    Directional valve voltage

    We bought and used hydraulic extruder. The machine has one directional valve electrically operated There is no nameplate on the valve and I dont have any other information about the valve and I need to know what voltage and type (DC or AC) to use with this valve I have measured the pilot valve...
  19. lukin1977

    Pressure Switch (Pressostato)

    We have an old hydraulic press. Please explain me how the pressure switch show on the pictures works Brand: Fantini Cosmi Type: B35G It has 3 electrical contacts: C - NC and NO I know that the contact switches once the pressure reach the set value, but what is the function of the red knob (A B...
  20. lukin1977

    Directional valve problem

    Please help me solve a problem in a double acting cylinder system The system is very simple. An oil pump, a directional valve (manually operated ) and the cylinder Normal operation: valve position es moved by hand (lever) to forward or reverse and the cylinder moves accordingly. One can...

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