Precision Machining Technology
3rd Edition
ISBN: 9781337795302
Author: Peter, Hoffman.
Publisher: Cengage Learning,
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Textbook Question
Chapter 7.3, Problem 14RQ
List three possible solutions to eliminate bum marks on the surface of a workpiece.
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Tool marks which are produced by force that are parallel to a surface are known as:
Group of answer choices
Comparison Marks
Impressed Marks
Striated Marks
Suspected Marks
Question 2: Please write a precise overview/description of the precision tweezer below specifically for each part, and not in general.
Explain the process of aligning a hole working tool with the center of the workpiece.
Chapter 7 Solutions
Precision Machining Technology
Ch. 7.1 - What are three benefits of precision grinding?Ch. 7.1 - What is the major use of the surface grinder?Ch. 7.1 - What are the two spindle types used for surface...Ch. 7.1 - What are the two types of table movements used for...Ch. 7.1 - Label the parts of the surface grinder.Ch. 7.1 - What are three types of cylindrical grinders?Ch. 7.1 - Tool and cutter grinders can be used to _______...Ch. 7.2 - What wheel shapes are commonly used for surface...Ch. 7.2 - What abrasive is commonly used to grind steels?Ch. 7.2 - What abrasive is used to grind nonferrous metals,...
Ch. 7.2 - What does CBN stand for?Ch. 7.2 - What superabrasive is a good choice for grinding...Ch. 7.2 - The grade of a wheel describes its __________ on a...Ch. 7.2 - Prob. 7RQCh. 7.2 - Prob. 8RQCh. 7.2 - Generally, harder wheels should be used to grind...Ch. 7.2 - Wheel A: 32A60H8V Wheel B: 39C100L6V What is the...Ch. 7.2 - Wheel A: 32A60H8V Wheel B: 39C100L6V Which wheel...Ch. 7.2 - Wheel A: 32A60H8V Wheel B: 39C100L6V Which wheel...Ch. 7.2 - Wheel A: 32A60H8V Wheel B: 39C100L6V Which wheel...Ch. 7.2 - Wheel A: 32A60H8V Wheel B: 39C100L6V What type of...Ch. 7.3 - List five surface grinder safety guidelines.Ch. 7.3 - What should be done to every grinding wheel before...Ch. 7.3 - When using a magnetic workholding device, the work...Ch. 7.3 - When using a magnetic chuck to hold a workpiece...Ch. 7.3 - Describe the difference between wheel truing and...Ch. 7.3 - What tool is used to true and dress an aluminum...Ch. 7.3 - How is a CBN wheel trued and dressed?Ch. 7.3 - Depth-of-cut range for surface grinding is: a....Ch. 7.3 - What should be done to a magnetic chuck when it...Ch. 7.3 - What workholding device can extend the magnetic...Ch. 7.3 - What workholding device can be used when grinding...Ch. 7.3 - Briefly describe the method for grinding two...Ch. 7.3 - List three types of workpiece features that can be...Ch. 7.3 - List three possible solutions to eliminate bum...Ch. 7.3 - What can cause scratches on the surface of a...
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- What can cause scratches on the surface of a workpiece?arrow_forward___________ and _________ are two common filing problems that can be overcome by cleaning the file.arrow_forward8. A note in the comment section of a title block mentions that all faces should have a +.10 tolerance before heat treatment. The machinist follows the instructions but for diameters he leaves a tolerance of +.20. Why? O A. The machinist may have committed an error, and the part must be returned prior to heat treatment. OB. Diameter dimensions usually change by twice as much as the faces. OC. The tolerances for diameters aren't as critical as face tolerances. D. It's easier for the machinist to adopt MMC for diameters.arrow_forward
- Describe the procedure for fastening two pieces of sheet metal to ether with a tapping screw.arrow_forwardWhy it is important to loosen one screw before tightening the opposing one by an equal amount?arrow_forwardFull film lubricating is a type of lubrication in which the coefficient of friction is low. Select one: True Falsearrow_forward
- What are the two forms of abrasives used in benchwork?arrow_forwardWhat devices are used to elevate a workpiece to prevent drilling into the machine table or vise bed?arrow_forward2 Which of the following bench vise base would allow for the vise to be rotated and locked into a desired position? Multiple Choice (select the best answer) O Fixed-base O Swivel-base O All of the Above O None of the Above A bench vise should be mounted on a strong workbench, in a location where there is plenty of space for long workpieces True/False (select one answer) O True O False When mounting a blade on a hacksaw, the teeth of the blade must point towards the handle. True/False (select one answer)arrow_forward
- In section views, match patterns should be drawn parallel to one of the edges of the part. True? A. Yes, always B. Optional C. Never Section views must retain the same scale as the part from which they are created. True? A. Yes, true B. No, they may be scaledarrow_forwardWhat is tool coating?arrow_forwardFacing is an operation to reduce the diameter of work piece. Select one: True Falsearrow_forward
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