Units of Measure
A corrected version of the cutting speed table on P.35 of Issue 216 of MEW.
|Mike Philpotts||13/05/2014 15:31:55|
|7 forum posts|
Are the numbers in the body of the chart Revolutions Per Minute?
If they are it would be useful to say so.
If I am reading this out of context then apologies to all and thanks for your efforts
15008 forum posts
Yes they are rpm.
For example a piece of 100mm dia bronze is shown with a cutting speed of 76rpm.
circumferance of bar is 0.1m x 3.142 = 0.3142m
Multiply that by the rpm 0.3142 x 76 = 23.88meters per minuit cutting speed which is near enough the 24mm along the top.
Edited By JasonB on 13/05/2014 16:54:10
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