Increase the rotation speed of the machine

Discussion in 'Heidelberg Printing Presses' started by ali 120, Sep 19, 2023.

  1. ali 120

    ali 120 Member

    Joined:
    Jan 2023
    Messages:
    71
    Location:
    Egypt
    Is there a way to increase the rotation speed of the machine when the printing plate is mounted on the printing cylinder?
    Machine type GTO 52 DDS 1998 2 colours

    The speed to be increased has an arrow placed on it
    The first and second pictures

    Also, how to increase the speed of the machine, consider that the speed of the machine does not exceed 6,000 sheets per hour.
    It is possible to increase the speed of the machine motor

    The machine's motor is in the third picture
     

    Attached Files:

    Last edited: Sep 19, 2023
  2. Raf77

    Raf77 Senior Member

    Joined:
    Aug 2023
    Messages:
    234
    Location:
    United Kingdom
    Do you mean the inching speed???
     
  3. ali 120

    ali 120 Member

    Joined:
    Jan 2023
    Messages:
    71
    Location:
    Egypt
     

    Attached Files:

  4. Raf77

    Raf77 Senior Member

    Joined:
    Aug 2023
    Messages:
    234
    Location:
    United Kingdom
    I'm quite sure that there is adjustable length of moving after each press of the button.
    It's somewhere in that fuses compartment just right next to the floor, but I don't remember this that good to tell you which exactly it is Just open that compartment and try to find out, or wait till someone who knows it for sure will give you an answer.
     
  5. ali 120

    ali 120 Member

    Joined:
    Jan 2023
    Messages:
    71
    Location:
    Egypt
    Unfortunately, this machine does not have an adjustable key
    In the fuse room
     
  6. Raf77

    Raf77 Senior Member

    Joined:
    Aug 2023
    Messages:
    234
    Location:
    United Kingdom
    I'll have a look at one of ours tomorrow and I'll let you know pal
     
  7. ali 120

    ali 120 Member

    Joined:
    Jan 2023
    Messages:
    71
    Location:
    Egypt
  8. Raf77

    Raf77 Senior Member

    Joined:
    Aug 2023
    Messages:
    234
    Location:
    United Kingdom
    Sorry pal I was out all day today. I'll try to check it out for you tomorrow
     
  9. Adil

    Adil Senior Member

    Joined:
    Nov 2021
    Messages:
    945
    Location:
    Casablanca
    No way sir , i dont think
     
  10. Raf77

    Raf77 Senior Member

    Joined:
    Aug 2023
    Messages:
    234
    Location:
    United Kingdom
    Ok. So as I've mentioned there is possibility of adjust jogging length. I mean how far wil cylinder go after press the button.
    In this case it's the first one from right side, but it may look different and been in different places at different models. But definitely GTO's have it.
     

    Attached Files:

  11. Jack liston

    Jack liston Senior Member

    Joined:
    Sep 2019
    Messages:
    283
    Location:
    Connecticut
    It's safer to leave speed as is take a good look at your fingers,once gone they don't come back
     
    Chris660 and junker1984 like this.
  12. Raf77

    Raf77 Senior Member

    Joined:
    Aug 2023
    Messages:
    234
    Location:
    United Kingdom
    I can stop GTO with my thumb:D
     
    Raituss likes this.
  13. ali 120

    ali 120 Member

    Joined:
    Jan 2023
    Messages:
    71
    Location:
    Egypt
    How many colors of the machine does this picture have?
    Because it is not in my machine
     
  14. Raf77

    Raf77 Senior Member

    Joined:
    Aug 2023
    Messages:
    234
    Location:
    United Kingdom
    Must be pal. Just take a good look
     
  15. ali 120

    ali 120 Member

    Joined:
    Jan 2023
    Messages:
    71
    Location:
    Egypt
    I will send you pictures of the existing keys. Unfortunately, there is only one key, and it is for the machine stopping time, not the machine speed.
     

    Attached Files:

  16. Raf77

    Raf77 Senior Member

    Joined:
    Aug 2023
    Messages:
    234
    Location:
    United Kingdom
    That's 2 colour machine. I've checked 4 colour as well and it has this adjustment too.
    It's really weird that yours doesn't.
    Have you check that other machine?
     
  17. ali 120

    ali 120 Member

    Joined:
    Jan 2023
    Messages:
    71
    Location:
    Egypt
    Yes, I checked the device and there is nothing
    Is it possible that the speed is determined by the machine’s motor from within?
     
  18. CHOCK

    CHOCK Senior Member

    Joined:
    Dec 2016
    Messages:
    2,944
    Location:
    Managua,Nicaragua
    Hi sir;

    In my long experience for over 49 years as electrical/electronic engineer, NEVER Saw, any industrial machines to increase Speed, in INCHING mode. !!

    Remember this is calculated for us as design engineering, in order to Safe the machine, and the operator of machine, from any Damage, and accidents..!!!!!!!!


    In conclusion, Heidelberg, and any contructor and designer Engineer, take in consideration this particular issue, since they have in consideration international demand like, ISO 9000, etc around the world....!!!!

     
  19. Raf77

    Raf77 Senior Member

    Joined:
    Aug 2023
    Messages:
    234
    Location:
    United Kingdom
    This is not increasing speed, but lenght of the jog. And most of machines have it.
     

  20. junker1984

    junker1984 Senior Member

    Joined:
    Jan 2010
    Messages:
    1,066
    Location:
    US, Midwest
    My two cents as a retired Heidelberg mechanic, I think later model GTO machines with programmable DC drives do not have the inching timers that are being referred to in this thread.