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1. Calculate the power required for turning a (BHN 175) mild steel bar of 50mm diameter with a spindle speed of 140rpm.
Posted: Tue Jun 07, 2022 5:47 pm
by answerhappygod
- 1 Calculate The Power Required For Turning A Bhn 175 Mild Steel Bar Of 50mm Diameter With A Spindle Speed Of 140rpm 1 (55.34 KiB) Viewed 41 times
1. Calculate the power required for turning a (BHN 175) mild steel bar of 50mm diameter with a spindle speed of 140rpm. Assume a depth of cut of 3mm, and a feed rate of 1mm/rev. (10 marks) Table. Constant K for power calculation Material being cut K (N/mm²) Steel, 100-150 BHN Steel, 150-200 BHN Steel, 200-300 BHN 1200 1600 2400 Steel, 100-150 BHN 3000 Cast Iron 900 Brass 1250 Bronze 1750 Aluminum 700