Figure 11. Plot of Ra for Feed rate 0.03 mm/rev and Speeds 425--1380

From

Experimental Investigation on Surface Finish during Turning of Aluminum under Dry and Minimum Quantity Lubrication Machining Conditions

A Hemaid, Tarik Tawfeek, A. A. Ibrahim

American Journal of Materials Engineering and Technology. 2016, 4(1), 1-5 doi:10.12691/materials-4-1-1