Deck 13: Cadcam

Question 1

The CAM system will generate a bounding geometry on either side of the true curve to form a(n) ____ zone.

A) rational
B) tolerance
C) spline
D) approximation

Answer 1

B

Question 2

The geometry represented by the CAD drawing may not be exactly the same geometry that is produced on the CNC machine tool.

Answer 2

True

Question 3

Line segments and arcs cannot be used to estimate curves.

Answer 3

False

Question 4

Which of the following is a neutral CAD model format that allows the easy exchange of product information between engineers and manufacturers related to geometry, tolerances, and processes?

A) FMS
B) CIM
C) DXF
D) STEP

Question 5

The final product of the CAD/CAM process is the ____.

A) toolpath
B) workpiece
C) NC code
D) CAM module

Question 6

CNC machine tools usually only understand circular arcs or ____.

A) ellipses
B) straight lines
C) parabolas
D) trigonometric curves

Question 7

Many toolpaths are simply too difficult and expensive to program manually.

Question 8

What is CAPP?

Question 9

Which of the following CAD file formats contains solid data used for rapid prototyping?

A) STL
B) SAT
C) DWG
D) DXF

Question 10

____ Resource Planning and ____ Resource Planning are computer systems capable of integrating sales, engineering and manufacturing data to plan for and procure materials and resources to support production.

A) Enterprise, Machine
B) Enterprise, Manufacturing
C) Estimation, Machine
D) Estimation, Manufacturing

Question 11

From the CAD core, modules can be added not only for CAM, but also for Computer-Aided ____ (CAE).

A) Enterprises
B) Economics
C) Engineering
D) Estimation

Question 12

CAM process models are much more portable than CAD models.

Question 13

The typical ERP/MRP system is nonmodular.

Question 14

____ are a class of curve that allows for complex geometry to be specified through simple "____ points".

A) NURBS, tolerance
B) NURBS, control
C) CAPPS, tolerance
D) CAPPS, control

Question 15

What is an ERP/MRP system?

Question 16

The ____ is a software program that takes a generic intermediate code and formats the NC code for each particular machine tool control.

A) post-processor
B) portable processor
C) verifier
D) CAM

Question 17

How are CAM modules for milling classified?

Question 18

What is the current state of the market technology that is used by all high-end software?

A) 2-D Line Drawings
B) 3-D Wireframe Models
C) 3-D Surface Models
D) 3-D Solid Modeling

Question 19

What is CIM?

Question 20

Discuss tool and material libraries.