19.2 (A) (USCS units) A blanking operation is performed on 3/32-in-thick cold-rolled steel (half hard). The
part is circular with diameter = 2.500 in. Determine the appropriate punch and die sizes for this operation.
Solution: From Table 19.1, Ac = 0.075.
HW #2 Solution, Fall 2013
21.4 (SI units) A tapered surface is turned on an automatic lathe. The workpiece is 550 mm long with
minimum and maximum diameters of 100 mm and 200 mm at opposite ends. Automatic controls on the
lathe permit the surface speed to
NAME _
IE 215
Hour Quiz 1
Fall 2011
This exam is closed books, closed notes. Turn all cell phones off and put them away. You may use a
formula sheet as specified in the syllabus. No lists, figures, tables, or sample problems are allowed. State
any assumpt
NAME _
IE 215
Fall 2012
Hour Quiz 1
This exam is closed books, closed notes. You can use a formula sheet(s) as specified in the syllabus. No
lists, figures, tables, or sample problems are allowed on the sheets. State any assumptions you make
that are not
NAME I :r. I 1:71.; 5
IE 215
Hour Quiz 1
Fall 2012
This exam is closed books, closed notes. You can use a formula sheetls) as specified in the syllabus. No
lists, figures, tables, or sample problems are allowed on the sheets. State any assumptions you ma
NAME _
IE 215
Hour Quiz 1
Fall 2012
This exam is closed books, closed notes. You can use a formula sheet(s) as specified in the syllabus. No
lists, figures, tables, or sample problems are allowed on the sheets. State any assumptions you make
that are not
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[aqkjei lg HourQuizl
This exam is closed books. closed notes. You can use a formula sheetls) as specified in the syllabus. No lists, figures, tables. or sample
problems are allowed on the sheets. Remove all hats
1? : 793:1 NAME he
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HourQuizZ
This exam is closed books, closed notes. You can use a formula sheetls) as specied in the syllabus. No lists, gures, tables, or sample
problems are allowed on the sheets. Remove all hats
NAME _
IE 215
Hour Quiz 1
Fall 2011
This exam is closed books, closed notes. Turn all cell phones off and put them away. You may use a
formula sheet as specified in the syllabus. No lists, figures, tables, or sample problems are allowed. State
any assumpt
18.23 (A) (SI units) A cylindrical billet is 150 mm long and 75 mm in diameter. It is reduced by indirect
extrusion to a 30 mm diameter. Die angle = 90. In the Johnson equation, a = 0.8 and b = 1.4. In the flow
curve for the work metal, strength coefficie
37.1 (A) (SI units) A leadscrew with an 8-mm pitch drives a worktable in an NC
positioning system. The leadscrew is powered by a stepping motor with 180 step
angles. The worktable is programmed to move a distance of 150 mm from its
present position at a t
38.7 (A) A 20-station transfer line operates with an ideal cycle time of
0.52 min. Station breakdowns occur with a frequency of 0.005. Average
downtime = 5.6 min per line stop. Determine (a) ideal hourly production
rate, (b) frequency of line stops, (c) a
HW #5 Fall 2013
13.18 (SI units) The foreman in the injection molding department says that a polyethylene part
produced in one of the operations has greater shrinkage than the calculations indicate it should
have. The important dimension of the part is sp
Name V1
ISE 215
Fall 2014
Hour Quiz 3
This exam is closed books, closed notes. You can use a formula sheet(s) as specified in the syllabus. No lists, figures, tables, or sample
problems are allowed on the sheets. Remove all hats and turn off all cell phon
HW3Solution
22.5 Note 22.6 is assigned but that solution refers to this solution. A series of turning tests using cemented
carbide tools on medium carbon steel were conducted to collect flank wear data. Feed = 0.010 in/rev and =
depth of cut = 0.125 in. A
HW5
10.2(USCSunits)Purecopperisheatedtocastalargerectangularplateinanopenmold.Theplates
length=20in,width=10in,andthickness=2in.Computetheamountofheatthatmustbeaddedtothe
metaltoheatitfromambienttemperature(75F)toapouringtemperatureof2100F.Theamountof
met
HW4Solution
23.1 (SI units) Machinability ratings are to be determined for a new work material using the cutting speed
for a specified tool life as the basis of comparison. For the base material (B1112 steel), test data resulted in
Taylor equation paramet
HW #1
20.3 (USCS units) The tool in an orthogonal cutting operation is 0.250 in wide and has a rake angle = 5.
The machine tool is set for a chip thickness before the cut of 0.012 in, and cutting speed = 100 ft/min. After
the cut, the deformed chip thickn