Activity 5.6 Physical Property Analysis
Activity 5.6 Physical
Property Analysis
Questions for Aluminum Object One
Directions:
Complete the calculation by hand. Show all work below and select the
appropriate answer based on your calculations. Check your work using the 3D
modeling software. If your answers differ, explain why you think they are
different where appropriate.
1.
What is the volume of the part?
A. 1.875
in.³
B. 1.125 in.³
C. 1.375 in.³
D. 2.125
in.³
SHOW WORK:
2.
What is the density of aluminum in grams per
cubic centimeter? (This may require research. Be sure to document your source.)
3.
What is the density of aluminum in pounds per
cubic inch? Show your work including all conversion factors.
0.0975 lb/in^3
4.
Find the mass of the object (in pounds-mass) if
it is made of aluminum.
A.
0.125 lbm
B. 0.135
lbm
C. 0.257
lbm
D. 0.312
lbm
SHOW WORK:
5.
What is the surface area of the part?
A.
7.250 in.²
B.
8.250 in.²
C.
9.250 in.²
D.
10.250 in.²
SHOW WORK:
6.
What are the physical properties presented in
the CAD software? Include units.
A. Density ___________2.700 g/cm^3____
B. Mass _______0.134 lbmass________
C. Surface Area _________10.250 in^2______
D. Volume ________1.375 in^3_______
|
A.
2.000
B.
1.500
C.
2.135
D.
2.145
SHOW WORK:
Questions for Brass Object One
Directions: Complete
the calculation by hand. Show all work below and select the appropriate answer
based on your calculations. Check your work using the 3D modeling software. If
your answers differ, explain why you think they are different where
appropriate.
1. What
is the volume of the part?
A.
2.375 in.³
B.
3.125 in.³
C.
2.031 in.³
D.
4.125 in.³
SHOW WORK:
2.
What is the density of brass in grams per cubic
inch?
8.470 g/cm^3
3.
What is the density of brass in pounds per cubic
inch? Show your work including all conversion factors.
0.306 lb/in^3
4.
Find the mass of the object if it is made of
brass.
A.
0.621 lbm
B.
0.547 lbm
C.
0.257 lbm
D.
0.312 lbm
SHOW WORK:
5.
What is the surface area of the part?
A.
6.000 in.²
B.
8.000 in.²
C.
0.250 in.²
D.
12.000 in.²
SHOW WORK:
6.
What are the physical properties presented in
the CAD software? Include units.
a.
Density ______8.470 g/cm^3_________
b.
Mass __________0.622 lbmass_________
c.
Surface Area _________12.000 in^2__________
d. Volume ________2.031 in^3___________
|
7. What
will be the total cost to ship 100 brass parts if the shipping rate is $4.25
per pound? Use the physical properties from the CAD analysis. SHOW WORK.'
Total Weight= 100(2.031 in^3 * 0.306 lb/in^3)
W=62.1486 lb
Cost= 62.1486 lb/$4.25
Cost= 14.6232
_19419.444 mm^2__
143333.333 mm^3
Poly carbonate and abs plastic has different densities hence can't be made from same material type.
High Density Polyethylene Example 3
1. What
are the physical properties presented in the CAD software? Include units.
A. Density __________0.952 g/cm^3_________
B. Mass ____________0.136 kg_______
C. Surface Area _________19419.444 mm^2__________
D. Volume _________143333.333 mm^3__________
|
2.
What is the surface area in square centimeters?
SHOW WORK.
3.
What is the volume in cubic centimeters? SHOW
WORK.
4.
What is the weight of the high density
polyethylene part in pounds? Show your work and include all conversion factors.
0.300 lb
5.
How many parts can be made from 152 pounds of
high density polyethylene? SHOW WORK.
152/0.3=506.666666667
506 parts can be made
0.036*10,000*1.04= 374.4 lbmass
The dimensions of the object and material type before using CAD analysis.
In order to be able to figure out other property from using most basic SI or US units of measurement.
In order to check if any errors are made, and to see what the outcome will look like.
Physical Property
Analysis of Automoblox Vehicle
Use the 3D CAD software to perform a physical property
analysis of the connector piece of your Automoblox vehicle. Create a new
material in the software called Automoblox Plastic. Use the density you found
for the connector and people in Activity
5.3 Determining Density and the other physical properties of ABS plastic.
Record the information below.
Print an isometric view of your connector piece and a
copy of the CAD physical property values. Insert both into your engineering
notebook.
1. What
are the physical properties presented in the CAD software? Include units.
a. Density
(from Activity 5.3) ________1.060 g/cm^3__________
b. Mass
________0.036 lbmass__________
c. Surface
Area ___________7.426 in^2________
d. Volume
_________0.937 in^3 __________
2.
If there is a 4% loss of material in the
manufacturing process, how much material should be purchased to produce 10,000
connector pieces? SHOW WORK.
3.
If the cost of the plastic to manufacture the
connector parts is $0.015 per cubic inch of material, what is the cost to
manufacture 10,000 connector pieces? SHOW WORK.
0.937 in^3*10,000*0.015=$140.55
Conclusion
1. What
do you need to know in order to perform a physical property analysis?
1.
Why is it important to understand the
mathematics used in physical property analysis?
2.
Why is it important to perform a physical
property analysis prior to producing a part?
3.
The clear enclosure piece and the wheels of the
Automoblox are manufactured from polycarbonate. Do you think that the connector
pieces are also manufactured from polycarbonate? Justify your answer.
Witnessed
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