Manufacturing Exam 2

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Casting (low flexibility) <- Milling (flexibility batch size 1) -> Fused Filament Fabrication (FFF) (high flexibility)
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Which process does NOT belong to subtractive manufacturing?
Binder jetting process
A turning operation with a depth of cut of 5 mm generates a 60 mm cylinder what was the initial diameter?
70 mm
Flank milling remove chips by point contact. T or F?
False
Narrow insert angles are more suitable to remove material at a high rate in the roughing operation: T of F?
False
Cutting tools in turning have single cutting points. T or F?
True
The feed rate represents the rotational speed of the tool in Turning: T or F?
False
In additive manufacturing the selection of build orientation affects:
Manufacturing time
Design of support structure
Dimension of the build volume
All of the above
A manufacturing operation is intended for every new:
Manufacturing tool used
A drilling tool of diameter 0.5 in plunges into the part of a feed of 7.5 in/min, what is the rate of material removal?
1.47 in^3/min
some additive manufacturing processes can produce products/parts with multiple materials and colors in one setting. T or FTrueWhat type of fixture does the lathe machine shown below have?Three chuck jawWhat is the machine configuration?4 AxisAdditive manufacturing is mainly used for:PrototypingWhat additive manufacturing process(es) do(es) not necessarily require a containment chamber?FFFAll additive manufacturing processes are based on the principle of adding material layer by layer to create an object through inducing thermal energy using a laser system. T or F?FalseWhich two manufacturing operations are mainly used to create this part (piston)?Forging and MillingWhich of the following is NOT an advantage of additive manufacturing?Requires high manufacturing time.A prototype of a tube with a square cross section is to be fabricated using stereolithography. The outside dimension of the square = 100 mm and the inside dimension = 900 mm. The height of the tube (z-direction) = 80 mm. Layer thickness = 0.10 mm. The diameter of the laser beam("spot size") = 0.25 mm, and the beam is moved across the surface of the photopolymer at a velocity of 500 mm/s. What is the number of layers to be printed?800 LayersA prototype of a tube with a square cross section is to be fabricated using stereolithography. The outside dimension of the square = 100 mm and the inside dimension = 900 mm. The height of the tube (z-direction) = 80 mm. Layer thickness = 0.10 mm. The diameter of the laser beam("spot size") = 0.25 mm, and the beam is moved across the surface of the photopolymer at a velocity of 500 mm/s. What is the time required to print one layer?15.2 secondsA prototype of a tube with a square cross section is to be fabricated using stereolithography. The outside dimension of the square = 100 mm and the inside dimension = 900 mm. The height of the tube (z-direction) = 80 mm. Layer thickness = 0.10 mm. The diameter of the laser beam("spot size") = 0.25 mm, and the beam is moved across the surface of the photopolymer at a velocity of 500 mm/s. Compute an estimate for the total time required to build the part, if 10 s are lost each layer to lower the height of the platform that holds the part.5.6 hoursWhich of the following rapid prototyping processed starts with a photosensitive liquid polymer to fabricate a component?SterolithographyExercise #1Exercise #2