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?

Solution: Note: Dear Student! As per our guidelines, we are only allowed to answer three questions.…

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?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Machining Processes and Machine Tools

Machining is represented as the process in which an excessive amount of substance is eliminated from the particular element in the form of pieces. In machining, cutting tools such as rotary tools, lathe, drill press, grinder, chop saw, welders, and many more are applied to get the desired shape. As compared to other manufacturing processes, machining is precise and versatile.

Question

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?
4. A drill press has the following rpm settings; 350, 600, 1100, & 1600. What rpm setting must be
used 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 steel
drill. 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 rpm
settings of 300, 600, 900, 1200, and 1800?

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