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  • Users: Barbo88
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  1. Barbo88

    Surface Hardening

    Hi all, Is surface hardening better than harden the whole part to prevent wear from occurring or then the part while be to brittle. Mainly, I'm considering moving parts such gears. And can someone tell me what are exactly these types of surface hardening:- Carburising, Nitriding and...
  2. Barbo88

    Freight Elevator AC Motor

    Thanks guy. Do you know any good brands who specialize in these kinds of AC Motors for elevators ? Best Regards Barbo
  3. Barbo88

    Freight Elevator AC Motor

    guys i'm not trying to build it by myself .. i know that elevator is something which requires lots of safety especially where it involves people. This is a project that i have and since i dont have any practical experience i'm asking here so maybe some of you who have worked in this field can...
  4. Barbo88

    Freight Elevator AC Motor

    sorry, maybe i wasnt clear enough .. i'm not going to built the elevator :) i have to choose an appropriate ac motor for the parameters that i have .. which include, maximum load 2000 kg and speed of elevator should be around 0.8 m/s Regards Barbo
  5. Barbo88

    Freight Elevator AC Motor

    Does anyone here has such experience in designing of elevators ? It's my first project in designing an elevator so i dont have such experience .. What things should i consider when designing a freight elevator. I was thinking that the motor that i have to choose needs to be able to cope for...
  6. Barbo88

    Freight Elevator AC Motor

    Even for high loads Elevators ? I mean my required load to my elevator is excpected to be around 2000 Kg and the required speed is calculated to be 0.8 m/s. Regards Barbo
  7. Barbo88

    Freight Elevator AC Motor

    Hi all, Can someone tell me which are the ideal AC Motors for freight elevators please ? Best Regards Barbo
  8. Barbo88

    Selecting a DC Motor

    So guys, i just found an appropriate DC Motor for my task as regards the parameters that i calculated. This task is required to transfer between 600kg and 1200kg of coal per hour. I just did my calculations on the maximum amount (1200kg) so theoretically i found the required speed (RPM) of the...
  9. Barbo88

    Selecting a DC Motor

    Hi Skogsgurra, I know it's stupid and doesn't make sense this given problem. However, there is no inclination so the conveyor is completely horizontal while the friction coefficient is about 6%. Best regards Barbo
  10. Barbo88

    Selecting a DC Motor

    Hi guys, First of all thanks for your information, i really appreciate. So, to be honest i know that these parameters doesnt make sense enough for the application. So to be more clear, I was given this problem and i have to find a proper motor for this system (I was asked to use only a DC...
  11. Barbo88

    Selecting a DC Motor

    the torque in these brochures has a unit of mNm. What does it stand for exactly ? milli Newton Meter ??
  12. Barbo88

    Selecting a DC Motor

    Yes, I already calculated the friction loss. Do you know any good sites from where i can find a good one ? and which motor and gearbox do you suggest in your opinion ? Regards Barbo
  13. Barbo88

    Selecting a DC Motor

    Hi everyone, I have a conveyor belt system which needs to carry heavy stuff. I have done all the necessary calculations and i'm looking for a DC Motor (I can't use an AC Motor). Can someone help me please to find the right motor for my system ? Parameters required: - Speed required form the...

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