Machines Definition and 204 Threads

  1. wolram

    Which Lifter Bearing is Best for Food Industry Machines

    what is best,a machine we use in the food industry, cycles at 30rpm a direct drive cam opperates a lifter that travels 500mm up and down, the machine is washed down every night,there is no particulate matter. so would linear bearings or bushes be best for lifter? "lubrication is minimal"
  2. Greg Bernhardt

    Greek deity found extensive use in photocopying machines?

    What non-metallic element named for an ancient Greek deity found extensive use in photocopying machines?
  3. R

    Positive and negative charges(mainly relating to copy machines)

    Why is it that black colors create a positive elctrical charge, while white colors send a negative charge? Does it have to do with different wave lengths? When light (in a copy machine) is focused on to the photoconductive drum, why and how does the black color become positively charged? I...
    • RuroumiKenshin
    • Thread
    • Machines Negative Positive Positive and negative
    • Replies: 6
    • Forum: Computing and Technology
  4. R

    Understanding Copy Machines: The Science Behind Positive and Negative Charges

    Why is it that black sends a positive charge through a copy machine while white sends a negative charge? I presume it has something to do with the wave lengths? If you don't know how a copy machine works, consult me. I have an unexplained obssession of learning about copy machines (and it is...