Precision Machining Technology
3rd Edition
ISBN: 9781337795302
Author: Peter, Hoffman.
Publisher: Cengage Learning,
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Textbook Question
Chapter 4.3, Problem 5RQ
Briefly describe two methods for locating hole positions on the drill press.
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The following tool is used to cutting internal
threads of drilled hole
Select one:
a. Drill plate
b. Tap
c. Counter bore tool
d. Drill
Center drilling operation performed on lathe machine uses a single-point cutting tool.
Select one: True
False
Find the commercial tap drill size for 1⁄2”-20 NF bolt.
Chapter 4 Solutions
Precision Machining Technology
Ch. 4.1 - Upright drill presses are available in _______ and...Ch. 4.1 - List two general types of upright drill press...Ch. 4.1 - Explain how the size of an upright drill press is...Ch. 4.1 - Briefly describe the term sensitive drill press.Ch. 4.1 - Briefly describe a gang drill press and its...Ch. 4.1 - When would a radial-arm drill press most likely be...Ch. 4.1 - Briefly describe a micro drill press and its...Ch. 4.2 - What are the two main materials used to make...Ch. 4.2 - What two types of shanks are commonly found on...Ch. 4.2 - Name three functions of the flutes on a twist...
Ch. 4.2 - Name two types of flute styles for machine...Ch. 4.2 - Prob. 5RQCh. 4.2 - What is the major difference between counterboring...Ch. 4.2 - What must be used to secure a workpiece to an...Ch. 4.2 - What devices are used to elevate a workpiece to...Ch. 4.2 - If 50 parts measuring 1" I" 3" each needed a...Ch. 4.2 - Which would be the best workholding device for...Ch. 4.2 - Which would be the best workholding device for...Ch. 4.2 - Which would be the best workholding device for...Ch. 4.3 - List five drill press safety guidelines.Ch. 4.3 - Briefly define the term cutting speed.Ch. 4.3 - What unit of measure is used to define cutting...Ch. 4.3 - What is feed, and how is feed stated for drill...Ch. 4.3 - Briefly describe two methods for locating hole...Ch. 4.3 - What is spotting and why is it performed?Ch. 4.3 - What is pecking, or peck drilling?Ch. 4.3 - Briefly contrast the speed and feed differences...Ch. 4.3 - What drill press component can be used to control...Ch. 4.3 - Calculate feed depth for a 90-degree countersink...Ch. 4.3 - Calculate feed depth for an 82-degree countersink...Ch. 4.3 - What benefit does tapping on the drill press offer...Ch. 4.3 - How many turns must a 1/4-20 tap be turned into a...Ch. 4.3 - Prob. 14RQ
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- Name two material shapes that can be properly held in a four-jaw chuck.arrow_forwardName two material shapes that can be properly held in a three-jaw chuck.arrow_forwardIdentify the drilling operation in which the top portion of a hole is enlarged to accommodate the bolt head . select one: Reaming Gun drilling Counter sinking operation Counter boring operationarrow_forward
- 11 In uptight drill machine, the power is transmitted from electric motor to spindle with help of belt and pulley system. Select one: True Falsearrow_forwardIdentify the drilling operation in which the top portion of a hole is enlarged to accommodate the bolt head . Counter boring operation Counter sinking operation Gun drilling Reamingarrow_forwardName the operation which is enlarges the top portion of drilled hole with tapered shape? a. Step drill O b. Counter bore c. Countersinking O d. Reamingarrow_forward
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