Machine Tool Practices (10th Edition)
10th Edition
ISBN: 9780132912655
Author: Richard R. Kibbe, Roland O. Meyer, Warren T. White, John E. Neely, Jon Stenerson, Kelly Curran
Publisher: PEARSON
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Textbook Question
Chapter B.8, Problem 5ST
What are important points to watch when assembling two-piece dies in a collet?
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The end of forging-stroke during impression-die forging is forming of
a. die cavities
O b. die flash
O c. die lines
O d. die stars
O e. die lands
04- Write (True) or (False) and correct the wrong sentences for the following:
1. Chills are used to increase the heating rate of metal.
2. Motion of job is forward rotary in broaching operation.
3. The upset type of forging makes increment in the diameter of the workpiece.
(1-2)
Describe the method of sections?
Chapter B Solutions
Machine Tool Practices (10th Edition)
Ch. B.1 - Why is it important to know how to use the arbor...Ch. B.1 - What kinds of arbor presses are made? What makes...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. 7STCh. 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 - Prob. 1STCh. B.2 - Name two types of bench visesCh. B.2 - Prob. 3STCh. B.2 - Prob. 4STCh. 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. 8STCh. B.2 - Prob. 9STCh. B.2 - Prob. 10STCh. B.2 - Prob. 11STCh. B.2 - What advantage does the lever-jawed wrench offer...Ch. B.2 - Prob. 13STCh. B.2 - Some objects should never be struck with a hard...Ch. B.2 - A machine has a capscrew that needs to be...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 - What speed should be used in hand hacksawing?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.3 - What dangers exist when a hacksaw blade breaks...Ch. B.4 - Prob. 1STCh. 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 - Why are the faces of most files slightly convex?Ch. B.4 - What difference exists between a mill file and an...Ch. B.4 - In what way does an American pattern file differ...Ch. B.4 - What are the coarseness designations for needle...Ch. B.4 - Why should files be stored so do not touch each...Ch. B.4 - Prob. 10STCh. B.4 - What causes a file to get dull?Ch. B.4 - Why should a handle be used on a file?Ch. B.4 - Prob. 13STCh. B.4 - Prob. 14STCh. B.4 - How does the hardness of a workpiece affect the...Ch. B.4 - Prob. 16STCh. 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.6 - Prob. 9STCh. B.6 - Prob. 10STCh. 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 - When should tap drill holes be reamed?Ch. B.7 - What causes taps to break while tapping?Ch. B.7 - What causes rough and tom threads?Ch. B.7 - What causes oversized threads in a hole?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 is the purpose of the guide in a two-piece...Ch. B.8 - What are important points to watch when assembling...Ch. B.8 - Where are hexagon rethreading dies used?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 - What is the primary function of the pedestal...Ch. B.9 - Why should a tool grinder never be used for rough...Ch. B.9 - Prob. 3STCh. B.9 - When sharpening layout tolls and other tools, what...Ch. 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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- Thank you in advance If you have a Bulk Deformation Process in Metalworking with a product in the Rolling Process that has the following information: Original Thickness = 0.85” , Original Width = 12” , Entering Velocity = 28”/min, Final Thickness = 0.66, Exiting Velocity (in/min) = 30 (use 4 digits for answers) Final Width = _____________ in.arrow_forwardBriefly describe the two types of forging dies.arrow_forwardIn .. . the die surfaces contain a .16 shape that is given to the work piece during compression, thus restricting the metal flow significantly. There is some extra-deformed material outside the die impression, which is called as flash. This .will be trimmed off later impression die forgingO flashless forgingO Open die forgingO none of them Oarrow_forward
- View Help RCM -EEE A Paragraph ¶ AaBbCcDc AaBbCcDc AaBbC AaBbcct AaB AaBbCct AaBbCCDA AaB 1 Normal 1 No Spac... Heading 1 Heading 2 Title Subtitle Subtle Em.... Emp Styles A cup-drawing operation is performed in which the cup's inside diameter = 80 mm and its height = 50 mm. Stock thickness = 3.0 mm, and blank diameter = 150 mm. Punch and die radii = 4 mm. Tensile strength = 400 MPa and yield strength = 180 MPa for this metal. Determine (a) drawing ratio (b) reduction, (c) drawing force, and (d) blankholder force? (Ctrl) I=arrow_forwardWhich three of the following are basic bulk deformation processes in metal forming: forging bar drawing extrusion stamping blanking deep drawingarrow_forwardAn automated blanking and forming line is designed to from 2 mm thick sheet, made from 2024 Aluminum, T4 temper, into a square sheet metal part. Elongation at 50mm 20% Young’s Modulus 70GPa Yield strength 325 MPa UTS 470 A) What is the force required to punch a square piece that is 500 mm on each edge? B) If the sheet blank was bent to a radius of 5 mm, what will be the radius after springback occurs? C) What is the required bend angle to achieve a 90° final bend angel for a bend radius of 5 mm?arrow_forward
- The tailstock has two major parts a bottom casting and a top casting is machined very accurately to fit the ways of the lathe [(a dogs (b) bed (c) carriage (d) mandrelarrow_forwardWith a neat diagram briefly explain the construction and working of a Shaping machinearrow_forwardMajor metal forming processes include ______ a rolling to reduce the thickness for making metal sheets, strips, bars, structure shapes, and pipes. b forging to produce parts with higher strength c extrusion to produce hollow shapes, and shapes with muliple longitudinal cavities. d all of the above.arrow_forward
- 4) In progressive forming Parts are formed at the successive stages which are carried out in different die on each stroke of the process Parts are formed at the successive stages which are carried out in the same die on each stroke of the process Sheet metal is stretched and simultaneously bent to achieve shape change None of thesearrow_forward3) Which of the below statements is/are correct regarding deep drawing process? i. If the clearance between the punch and the die is less than the thickness produced by free thickening, the metal in these regions will be squeezed, or ironed. ii. The force on the punch required to produce a cup is the summation of the ideal force of deformation, the frictional forces, and the force required to produce ironing (if present). i only ii only Both i and ii None of the abovearrow_forwardWill a single-cut or a double-cut file produce a smoother surface?arrow_forward
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