IET 170 final || Questions and 100% Accurate Answers.
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Course
IET 170
Institution
IET 170
Shearing correct answers is the mechanical cutting of materials without the formation of chips or the use of burning or melting. (Blades are straight)
Blanking, Piercing, Notching, and Trimming correct answers Are forms of shearing, but the blades are curved instead of being straight.
Punch c...
IET 170 final || Questions and 100% Accurate Answers.
Shearing correct answers is the mechanical cutting of materials without the formation of chips or
the use of burning or melting. (Blades are straight)
Blanking, Piercing, Notching, and Trimming correct answers Are forms of shearing, but the
blades are curved instead of being straight.
Punch correct answers Tool used to shear
Die correct answers is the material behind the work piece to allow the punch to shear.
work piece correct answers the sheet that is being worked on/ sheared on.
Fine Blanking correct answers A V-shaped protrusion is incorporated into the hold down or
pressure plate at a location slightly external to the contour of the cut. As pressure is applied to
the hold down or the pressure plate, the protrusion is driven into the material , compressing the
region to be cut.
Is fine Blanking or shearing more accurate and clean correct answers Fine Blanking
GRIPflow correct answers Another means of shearing under pressure. Bar stock is pressed
against the closed end of a feed hole, placing the stock in a state of compression.
Squaring Shears correct answers When sheets of metal are to be sheared along a straight line. As
the upper ram descends, a clamping bar or set of clamping fingers presses the sheet of metal
against the machine table to hold it firmly in position.
Slitting correct answers is the lengthwise chearing process used to cut coils of sheet metal into
several rolls of narrower with.
Blanking correct answers Big hole, leaves scrap, the left over from hole is used in part, and is not
scrap.
piercing correct answers small hole, less scrap, the holes left over is scrap
Lancing correct answers is a piercing operation that creates a line cut (slit) or hole.
Perforating correct answers creates a large number of closely spaced holes where a slug is
removed from each hole.
Notching correct answers is used to remove segments from along the edge of an existing product.
Nibbling correct answers a contour is progressively cut by producing a series of overlapping slits
or notches. simple tools can cut complex shapes.
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