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"
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...
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...