Enco Knee Mill Speed Chart

[neblinc]

Does anyone know what the 60 c/s and 50 c/s means on the speed chart for this milling machine?
I am guessing 670 RPM is 60 c/s and 560 RPM is 50 c/s, but what else do I change besides the belt location?
This is a Enco Knee Mill Model 100-5100 Made in Taiwan 1994 and can't find any info about this.
Randy

 

[CallumRD1]

c/s is cycles/second or hertz. It refers to the frequency of the AC power. In North America we have 60 hertz power.

 

[GeoBruin]

Is that referring to AC power frequency? In other words, in the US we use 60 hz or 60 cycles/second and across the pond they use 50 hz or 50 cycles per second.

 

[neblinc]

Wow! I would never have figured that out!
Thank you!