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Computer Integrated Manufacturing > CIM 2.2 keyterms > Flashcards

CIM 2.2 keyterms Flashcards

1
Q

Rapid prototyping process that builds a part by ejecting adhesive bonding material onto successive layers of powders. Note that this term is often used to describe all rapid prototyping processes.

A

3D Printing

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2
Q

Acrylonitrile Butadiene Styrene. A thermoplastic with rubber added for high toughness.

A

ABS

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3
Q

Fabrication of a part by adding material.

A

Additive Process

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4
Q

The process of putting a product together out of separate parts.

A

Assembling

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5
Q

Length of time for the physical construction of a rapid prototype, excluding preparation and post-processing time. Also known as run time.

A

Build Time

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6
Q

The process in which a solid material is made into a liquid, poured into a mold, and allowed to harden in the shape of the mold.

A

Casting

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7
Q

Any of various hard, brittle, heat-resistant, and corrosion-resistant materials made by shaping and then firing a nonmetallic mineral, such as clay, at a high temperature.

A

Ceramics

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8
Q

Physical model intended primarily for design review and not meant to be sufficiently accurate or durable for full functional or physical testing.

A

Concept Model

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9
Q

Process in which the properties of a material are changed using mechanical, thermal, or chemical means.

A

Conditioning Process

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10
Q

Similar to permanent mold casting except that the metal is injected into the mold under high pressure.

A

Die Casting

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11
Q

A process by which an electrode spark is used to erode small amounts of material from a work piece.

A

Electrical Discharge Machining (EDM)

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12
Q

A process in which a stream of electrolyte (typically salt water) is pumped at high pressure through a gap between the positively charged work and the negatively charged tool (electrode).

A

Electrochemical Machining (ECM)

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13
Q

Resources of which there are a limited supply.

A

Exhaustible Resources

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14
Q

Machining a surface to size with a fine feed produced in a lathe, milling machine, or grinder.

A

Finishing Process

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15
Q

A process by which metal is heated and shaped by plastic deformation by suitably applying compressive force.

A

Forging

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16
Q

A process that changes the size and shape of a material by a combination of force and a shaped form.

A

Forming Process

17
Q

Fused Deposition Modeling. Rapid prototyping process in which a filament of wax or polymer is extruded onto the existing part surface from a workhead to complete each new layer.

A

FDM

18
Q

An operation that removes material by rotating an abrasive wheel or belt against the work.

A

Grinding

19
Q

Material that has been changed from raw material so that it is ready to be used in manufacturing. Also referred to as standard stock.

A

Industrial Material

20
Q

A process during which plastic is heated in a machine and forced into a cavity by a screw or ram. The material solidifies and is then ejected.

A

Injection Molding

21
Q

Laminated Object Manufacturing. Rapid prototyping process in which sheet stock is cut and bonded into a stack.

A

LOM

22
Q

Any of a category of electropositive elements that usually have a shiny surface, are generally good conductors of heat and electricity, and can be melted or fused, hammered into thin sheets, or drawn into wires.

A

Metals

23
Q

A manufacturing process in which the industrial material is made into a liquid. The liquid is then introduced (poured or forced) into a prepared mold of proper design.

A

Molding

24
Q

Materials that undergo a permanent change in shape or size when subjected to a particular amount of stress.

A

Plastics

25
Q

Liquid resin material that utilizes light (visible or ultra-violet) as a catalyst to initiate polymerization, in which the material cross-links and solidifies. This technique is used by various rapid prototyping technologies.

A

Photopolymer

26
Q

Polylactic Acid. A thermoplastic formed using organic material.

A

PLA

27
Q

A common practice that includes clean up and finishing procedures on models after they are removed from the rapid prototyping machine. It may also include mechanical or chemical removal of support structures, powder removal, and surface finishing.

A

Post Processing

28
Q

The first step in manufacturing where raw materials are processed into a usable form for further manufacture.

A

Primary Processing

29
Q

A full-scale working model used to test and improve a design concept by making actual observations and necessary adjustments.

A

Prototype

30
Q

Rapid Prototyping. Computer-controlled additive fabrication.

A

RP

31
Q

Basic substance in its natural, modified, or semi-processed state, used as an input to a production process for subsequent modification or transformation into a finished good.

A

Raw Materials

32
Q

Biological materials that can be replaced.

A

Renewable Resources

33
Q

A process of pressing moist sand around a pattern to make a mold. The pattern is removed, leaving a cavity in the sand. The cavity is the mold that will be filled with liquid metal. The result will be a casting that is identical in shape to the original pattern.

A

Sand Casting

34
Q

A process that removes excess material to change the size, shape, or surface.

A

Separating

35
Q

Selective Laser Sintering. A rapid prototyping process that used a moving laser beam to sinter heat-fusible powders one layer at a time.

A

SLS

36
Q

Stereolithography. A rapid prototyping process that fabricates a part layer-wise by hardening a photopolymer with a guided laser beam.

A

SLA

37
Q

Processes that remove material to change the size, shape, or surface of a part. There are two groups of separating processes: machining and shearing.

A

Subtractive Process

38
Q

Process to heat a thermoplastic sheet until it softens and then force the hot and pliable material against the contours of a mold using vacuum pressure.

A

Vacuum Forming

39
Q

A process that uses a high speed jet of water emitted from a nozzle under high pressure (10,000-60,000 psi or greater). The advantage of water jet cutting is that it does not create a burr and it is a low temperature process.

A

Water Jet Cutting

Computer Integrated Manufacturing (12 decks)

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