1. If a machinist wanted to drill a % inch hole in a piece of machine steel using a high speed steeldrill. At what speed in revolutions per minute should he operate the drill press?2. Find the revolutions per minute of an 8 mm drill if it is used to cut an aluminum workpiece usinga high carbon steel drill.3. The rpm setting of the drill press is set to 600 rpm. What is the maximum diameter in inches of ahigh speed drill if it is used to drill a tool steel material?4. A drill press has the following rpm settings; 350, 600, 1100, & 1600. What rpm setting must beused if a 15 mm high speed steel drill is used to cut brass workpiece?5.A machine operator drills a hole of a 3/8 inch diameter to a stainless steel using a carbon steeldrill. He sets the drill press rpm setting to 900 rpm. Is he operating at correct setting? If not,then what must be the correct rpm setting considering that the machine has the following rpmsettings of 300, 600, 900, 1200, and 1800?

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1. If a machinist wanted to drill a % inch hole in a piece of machine steel using a high speed steel drill. At what speed in revolutions per minute should he operate the drill press? 2. Find the revolutions per minute of an 8 mm drill if it is used to cut an aluminum workpiece using a high carbon steel drill. 3. The rpm setting of the drill press is set to 600 rpm. What is the maximum diameter in inches of a high speed drill if it is used to drill a tool steel material?

1. If a machinist wanted to drill a % inch hole in a piece of machine steel using a high speed steel drill. At what speed in revolutions per minute should he operate the drill press? 2. Find the revolutions per minute of an 8 mm drill if it is used to cut an aluminum workpiece using a high carbon steel drill. 3. The rpm setting of the drill press is set to 600 rpm. What is the maximum diameter in inches of a high speed drill if it is used to drill a tool steel material?

Precision Machining Technology (MindTap Course List)

2nd Edition

ISBN:9781285444543

Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Chapter5: Turning

Section5.3: Machining Operations On The Lathe

Problem 2RQ: A lathe cross slide uses a diameter-reading micrometer collar. If the cross slide is advanced by...

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