JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• 1. To import practical exposure to the metrology equipment & Machine Tools
• 2. To conduct experiments and understand the working of the same.

Prerequisites

Theoretical exposure to Metrology and machine tools.

List of Experiments:

• 1. Step turning on lathe machine
• 2. Taper turning on lathe machine
• 3. Thread cutting and knurling on lathe machine (2 exercises)
• 4. Measurement of cutting forces on lathe
• 5. Machining of holes using Drilling and boring machines.
• 6. Gear cutting on the Milling machine
• 7. Grinding of Tool angles using Cylindrical / Surface Grinding
• 8. Measurement of lengths, heights, diameters by vernier calipers, micrometers.
• 9. Measurement of Diameter of bores by internal micrometers and dial bore indicators.
• 10. Use of gear teeth vernier calipers for checking the chordal addendum and chordal height of the spur gear.
• 11. Angle and taper measurements by bevel protractor and sine bars.
• 12. Thread measurement by 2-wire and 3-wire methods.
• 13. Surface roughness measurement by Tally Surf.
• 14. Use of mechanical comparator R18 B.TECH MECHANICAL ENGG. III YEAR