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How this thing works?

  1. Nov 5, 2007 #1
    Hi all.
    I am finding information about liquid dispensing system.
    I got the following website:
    http://www.ijfisnar.com/dispensers_jb1113.htm
    I would hope to know how the syringe is "pressed" to dose the liquid inside the syringe?

    Do you think this system can provide a steady flow rate?
     
  2. jcsd
  3. Nov 5, 2007 #2
  4. Nov 5, 2007 #3

    FredGarvin

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    Science Advisor

    I can't really tell, but I would have to say that it is a positive displacement pump set up. The dispensing time is very slow. Whether it be a rotary pump like a grotor type or a piston type pump I really can't tell. I bet if you called and asked they'd be more than happy to answer your questions. Suppliers are usually quite accommodating if it means a sale.
     
  5. Nov 5, 2007 #4

    FredGarvin

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    Science Advisor

    What do you mean by "steady?" The big selling point of most stepper motors is their control and repeatability. That is why they are used extensively in the manufacturing sector. Plenty of people make linear motors and linear stepper motors.
     
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