Machine Tool Practices (11th Edition)
11th Edition
ISBN: 9780134893501
Author: Richard R. Kibbe, Roland O. Meyer, Jon Stenerson, Kelly Curran
Publisher: PEARSON
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Chapter B.4, Problem 8ST
How does the hardness of a workpiece affect the selection of a file?
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Students have asked these similar questions
8. 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.
Tool forces are generated by the fixture or jig during a machining cycle D
O True
O False
The tool designer decides the final design and set-up of the proposed jig or fixture.
O True
O False
When creating a drawing, words should replace drawn details or views.
O True
O False
If the hole is off location and the diameter is to the low limit of the tolerance, then the part can still pass inspection.
O True
False
Clear selection
This is used tO correspond with machine tool usage where a working stroke
would have high force capability at low speed and the return stroke could be
rapid with no load
O Grashof mechanism
O Drag link mechanism
O slider crank mechanism
Quick return mechanism
If two elements have theoretical surface contact with one another, then this
element can be considered as:
Chapter B Solutions
Machine Tool Practices (11th Edition)
Ch. B.1 - List several uses of the arbor press.Ch. B.1 - A newly machined steel shaft with an interference...Ch. B.1 - The ram of an arbor press is loose in its guide...Ch. B.1 - When a bushing is pushed into a bore that is...Ch. B.1 - Prob. 5STCh. B.1 - What difference is there in the way a press fit is...Ch. B.1 - Prior to installing a bushing with the arbor...Ch. B.1 - Name five ways to avoid tool breakage and other...Ch. B.2 - Name two types of bench visesCh. B.2 - Prob. 2ST
Ch. B.2 - How can the finished surface of a part be...Ch. B.2 - Name three things that should never be done to a...Ch. B.2 - How should a vise be Lubricated?Ch. B.2 - Prob. 6STCh. B.2 - What advantage does the lever-jawed wrench offer...Ch. B.2 - Some objects should never be struck with a hard...Ch. B.2 - Why should pipe wrenches never be used on bolts,...Ch. B.2 - What are the two important things to remember...Ch. B.3 - What is the kerf?Ch. B.3 - What is the set on a saw blade?Ch. B.3 - What is the pitch of the hacksaw blade?Ch. B.3 - What determines the selection of a saw blade for a...Ch. B.3 - Hand hacksaw blades fall into two basic...Ch. B.3 - Give four causes that make saw blades dull.Ch. B.3 - Give two reasons why hacksaw blades break.Ch. B.3 - A new hacksaw blade should not be used in a cut...Ch. B.4 - What are the four different cuts found on files?Ch. B.4 - Name four coarseness designations for files.Ch. B.4 - Which of the two kinds of files-single cut or...Ch. B.4 - What are the coarseness designations for needle...Ch. B.4 - Prob. 5STCh. B.4 - What causes a file to get dull?Ch. B.4 - Why should a handle be used on a file?Ch. B.4 - How does the hardness of a workpiece affect the...Ch. B.4 - Should pressure be applied to a file on the return...Ch. B.4 - Why is a round file rotated while it is being...Ch. B.5 - Prob. 1STCh. B.5 - What is the purpose of a starting taper on a...Ch. B.5 - What is the advantage of a spiral flute reamer...Ch. B.5 - How does the shank diameter of a hand reamer...Ch. B.5 - Prob. 5STCh. B.5 - Prob. 6STCh. B.5 - What is the purpose of cutting fluid in reaming?Ch. B.5 - Prob. 8STCh. B.5 - How much reaming allowance is left for hand...Ch. B.5 - If you were repairing the lathe tailstock taper,...Ch. B.6 - What type of tap is used to produce threads that...Ch. B.6 - Prob. 2STCh. B.6 - Prob. 3STCh. B.6 - When is a spiral fluted tap used?Ch. B.6 - How are thread-forming taps different from...Ch. B.6 - How are taper pipe taps identified?Ch. B.6 - Why are finishing and roughing Acme taps used?Ch. B.6 - Why are rake angles varied on taps for different...Ch. B.7 - What kind of tools are used to drive taps when...Ch. B.7 - What is a hand tapper?Ch. B.7 - What is a tapping attachment?Ch. B.7 - Which three factors affect the strength of a...Ch. B.7 - How deep should the usable threads be in a tapped...Ch. B.7 - What causes taps to break while tapping?Ch. B.7 - What causes rough and tom threads?Ch. B.7 - Give three methods of removing broken taps from...Ch. B.8 - What is a die?Ch. B.8 - What tool is used to drive a die?Ch. B.8 - How much adjustment is possible with a round split...Ch. B.8 - What are important points to watch when assembling...Ch. B.8 - Why do dies have a chamfer on the cutting end?Ch. B.8 - Why are cutting fluids used?Ch. B.8 - What diameter should a rod be before being...Ch. B.8 - Why should a rod be chamfered before being...Ch. B.9 - Prob. 1STCh. B.9 - Why should a tool grinder never be used for rough...Ch. B.9 - Prob. 3STCh. B.9 - Prob. 4STCh. B.9 - Prob. 5STCh. B.9 - Prob. 6STCh. B.9 - Prob. 7STCh. B.9 - What is the purpose of the wheel blotter?Ch. B.9 - Prob. 9STCh. B.9 - What does the wheel ring test do?
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- 1) What does the specification "8.8" in the standard designation of a bolt mean? Specify values including units. 2) Name two groups of standards in addition to national, industry-wide standards and where they are valid. 3) Which three options exist for defining dimensional tolerances in a technical drawing?arrow_forwardIndicate the following technical tolerance requirements in Fig.3. a) The diameter of the middle cylinder is Odh7, use Envelope requirement; b) Cylindricity tolerance of d is 0.009mm, straightness of axis of od is $0.012mm; c) Total run-out tolerance of right end surfaces related to axis of Pd is 0.01 mm; d) The surface of od cylinder is obtained by the method of removing material, and the maximum allowable value of Rz is 0.4µm. All surfaces are obtained by the method of removing material, and all the roughness Ra allowable value is 6.4 pm.arrow_forward2) In an orthogonal cutting operation, the cutting tool has a rake angle = 20°. The chip thickness before the cut = 0.25 mm. If the cutting force and thrust force are measured during an orthogonal cutting operation with values, Fc = 1450 N and Ft = 1990 N. The width of the orthogonal cutting operation w = 2.5 mm. the friction angle B is = 79.91° Determine: The Shear Angle The Shear Strain The Shear Strength of the material The Force of Frictionarrow_forward
- I have three parts that I need answered pertaining to the print provided below. Do the dimensions and tolerances apply before the finish is applied or after? (Multiple Choice)a. beforeb. after In the title block, lower-right corner is a B. Is that the sheet size or the revision status? (Multiple Choice)a. sheet sizeb. revision status What ECN number was assigned to the last revision of this print? What does ECN mostlikely stand for? (Multiple Choice)a. 56003, Engineering change noticeb. 55666, Engineering Coatings notificationc. 65009, Experimental cart noticed. 55666, Engineering change noticearrow_forward#3?arrow_forward28 - Which one is not one of the usage areas of control gauges? A) Control gauges are used to control the geometric profile of workpieces. B) Control gauges are used to control the dimensional measurements of mass-produced parts. C) Control gauges are used to control the fine adjustments of other measuring instruments. D) Control gauges are used to measure axial misalignment. E) Control gauges are used to control the surface quality of workpieces.arrow_forward
- -How many holes require drilling? -What is the center to center distance of the 6mm tapped holes? -What tap drill is used for holes marked Z? -How many surfaces are machine finished? -What are the dimensions of the face marked F & C? -What are the dimensions have symbols A, E &, B -In what dihedral angle is the drawing made? -What is the max and min dimensions of D -What is the tolerance of measurement D?arrow_forwardWill a single-cut or a double-cut file produce a smoother surface?arrow_forwardSlots on the outer surface of work piece. (O ocrinding process. (O Planning process. (O Drilling process. Smooth finishing on surfaces of work piece. (O Turning process. O Milling process. O Grinding process.arrow_forward
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