Precision Machining Technology
3rd Edition
ISBN: 9781337795302
Author: Peter, Hoffman.
Publisher: Cengage Learning,
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Textbook Question
Chapter 4.2, Problem 12RQ
Which would be the best workholding device for holding a 3/4" × 12" × 14" flat plate for drilling a series of holes through the large surface of the plate?
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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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Which would be the best workholding device for holding a 1/2" 8" 8" flat plate for drilling a hole in its edge?arrow_forwardIf 50 parts measuring 1" I" 3" each needed a hole drilled in a side, which workholding device would be best?arrow_forwardWhat is used to adjust the clamping pressure of the workholding device?arrow_forward
- Which would be the best workholding device for holding a 1 "-diameter 6"-long shaft so that a cross hole for a grease fitting could be drilled?arrow_forwardWhat devices are used to elevate a workpiece to prevent drilling into the machine table or vise bed?arrow_forwardWhen roughing a pocket, should you machine in a clockwise or counterclockwise direction, and why?arrow_forward
- Q1. A job of diameter 30 mm is being machined at feed of s = 1.0 mm/rev and spindle speed of n = 500 rpm, with a tool of orthogonal rake angle ? = 5° and primary cutting edge angle ? = 60°. Determine the height at which the tool tip should be set to achieve actual rake angle of 0°.arrow_forwardA lathe cross slide uses a diameter-reading micrometer collar. If the cross slide is advanced by 0.150". what depth of cut would result?arrow_forwardWhat are two ways to reduce uneven pressure on lathe centers when using the offset tailstock method?arrow_forward
- What machine tool is available with either horizontal or vertical spindle orientation and uses rotating cutting tools to primarily produce flat surfaces?arrow_forwardWhen machining workpieces made from bar stock, what are two automated devices used to advance the bar so that the next workpiece can be machined?arrow_forwardHow can tool binding be overcome when cutting deep grooves or cutting off large diameters?arrow_forward
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