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Surface Roughness Evaluation in Dry-Cutting of Magnesium Alloy by Air Pressure Coolant
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Abstract
In this paper, a studying of surface roughness in dry milling with air pressure coolant of wrought magnesium alloy AZ31B will be carried out. The effects of air flow, feed-rate per tooth, cutting velocity and number of inserts in a cutting tool on surface roughness have been examined. Surface roughness increases with increasing feed-rate per tooth and increasing number of inserts in the cutting tool. However, it is nearly unchanged under a specific range of cutting velocity in the experiment and improved by the flow of air cooling.
KeywordsMachinabilitySurface RoughnessNumber of InsertsDry MillingAir Pressure Coolant
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