Deck 23: Tool Design Drafting

Question 1

What process uses a high-frequency vibration to shape metal?

A) electron beam cutting
B) ultrasonic machining
C) powder metallurgy
D) extrusion

Answer 1

B

Question 2

Replaceable drill bushings are relatively inexpensive and are used for short production runs.

Answer 2

False

Question 3

Solid-phase forming uses a reprogrammable CADD machine designed to assemble segments and move materials, parts, and tools.

Answer 3

False

Question 4

Tool engineering is the branch of mechanical engineering responsible for the design and development of tools and processes needed in the mass production of products.

Question 5

The materials used to make forms for casting may be iron or steel.

Question 6

A _____ drill bushing is force-fitted into a jig body and has shoulders that support its position.

A) headed replaceable
B) headless replaceable
C) headed fixed
D) headless fixed

Question 7

When using a built-up body form, both dowels and cap screws should be flush with the plates.

Question 8

Bioprinting is used to create tool prototypes from organic materials such as wood and plant fibers.

Question 9

Which of these is commonly used as a locator?

A) dowel
B) screw
C) plate
D) clamp

Question 10

Tool designers play a role in controlling production costs.

Question 11

Pouring molten metal into a hollow form results in the production of:

A) molds
B) castings
C) hydroforms
D) fixtures

Question 12

Which process involves placing plastic pellets into a hollow cylindrical mold?

A) rotational molding
B) solid-phase forming
C) injection molding
D) calendaring

Question 13

Which process would be used to produce plastic flooring?

A) blow molding
B) injection molding
C) calendaring
D) solid-phase forming

Question 14

Fixtures and jigs are both designed to hold and support workpieces.

Question 15

What should you use to elevate a jig from a machine surface?

A) feet
B) clamps
C) robotics
D) drill bushings

Question 16

Drill bushings are made of a harder steel than the drill bit.

Question 17

The process of _____ involves heating plastic to a soft form and forcing it through a die to produce a long shape.

A) forging
B) extrusion
C) stamping
D) calendaring

Question 18

Toggle clamps are used where minimal surface contact with the workpiece is required.

Question 19

The process of pressing metal between dies or hammering malleable metals is called:

A) extrusion
B) stamping
C) forging
D) powder metallurgy

Question 20

Rapid prototyping is commonly known as:

A) stamping
B) forging
C) rotoscoping
D) 3D printing

Question 21

A(n) _____ clamp reduces the effect of vibration on jigs and workpieces.

A) angle
B) toggle-head
C) screw
D) cam

Question 22

If a workpiece contains holes:

A) locators should not be used
B) locators should be positioned away from the holes
C) locators should be positioned to align with the hole centers
D) it should have no bearing on where the locators are positioned

Question 23

Imagine that you are preparing a jig or fixture design. What type of lines should you use to draw the outline of the workpiece?

A) black section lines
B) red hidden lines
C) black leader lines
D) red phantom lines

Question 24

Imagine that you are preparing a jig design. What should you do next after drawing the rest buttons?

A) design the body of the jig
B) select and draw all clamps
C) draw the locators
D) draw the bushings

Question 25

Imagine that you are designing a jig. What should you do immediately before dimensioning the jig assembly?

A) study the workpiece and draw the locators
B) select and draw all clamps
C) draw the jig feet and add fasteners
D) design the body of the jig

Question 26

What type of clamp should be used if the primary concern is making it easy to change the workpieces to speed up production?

A) toggle-head clamp
B) cam clamp
C) screw clamp
D) angle clamp

Question 27

What is the most commonly-used form?

A) cast body
B) weld body
C) built-up body
D) molded body

Question 28

Imagine that you are designing a jig. If the drill's diameter is .5" and fixed-head bushings are to be used, what should be the distance between the bottom of the bushing and the top of the workpiece?

A) .25"
B) .5"
C) 1"
D) 1.5"

Question 29

Which statement about jigs is correct?

A) They use highly specialized components.
B) They are generally larger than fixtures.
C) They are always permanently fasted to a work surface.
D) They hold and support a workpiece during a machining operation.

Question 30

Cutting actions should generally be directed:

A) toward a clamp
B) toward a rigid locator
C) toward a clamp or rigid locator
D) away from clamps and rigid locators