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Worksheets11.02 CNC Concept Review
Total questions: 21
Worksheet time: 11mins
What does CAD stand for?
Code and Design
Computer Aided Design
Create and Design
Craft and Design
What is CAD?
An app that lets you analyze different design concepts
A coding program to let you easily write in a computer language
Computer software used to create 2D drawings/3D models of designs
Creation and development for any robot
What does CAM stand for?
Carefully Added Material
Computer Aided Manufacture
Computer Aided Making
Careful Addition Manufacture
Which of the following are examples of CAM machines?
Laser Cutter
3D Printer
Guillotine
Pillar Drill
Computer
What are the advantages of using CAD?
It is easy to learn and use
Precise, accurate drawings/models
You can easily send and edit designs
The software is cheap to buy
You can use CAM to bring your model to life
What are the disadvantages of CAD?
Staff need to be trained to get the full use of the software
It is not precise enough
It doesn't look professional
The software is very expensive to buy
What are the advantages of CAM?
Human error is eliminated
The machinery is cheap
Products can be produced 24 hours a day without the need for lunch breaks
Any product can be made, without assembly by a human
A prototype is:
non-working model
who knows?
a working model
None of the above
The nerve center or brain of any computer system is known as
CPU
Storage device
ALU
Monitor
System using computer technology to control production processes and equipment.
Computer-Aided Manufacturing (CAM)
Industry
Gadget
Cartesian coordinate system
Specifies the position/location of points uniquely in a plane by a pair of numerical coordinates, which are the signed distances to the point (origin 0,0) from two fixed perpendicular directed lines, measured in the same unit of length.
Computer-Integrated Manufacturing (CIM)
Axis
Cartesian coordinate system
3-D (Three-dimensional)
The automation of machine tools by means of computers executing pre-programmed sequences of machine control commands among multi-axis coordinate planes.
Computer Numerical Control (CNC)
Computer Alphabetical Control (CAC)
Computer Cryptographic Control (CCC)
The methods for generating the instructions used to drive the CNC machine tools is called ___________
CNC
programming
Speed function
Tool
Change Function
Feed
Function
Programs are subjected to have errors because of the human is _________ .
Manual
CNC programming
Computer
assisted part programming
CAD
based part programming
CAM
based part programming
Which of the following is not the advantage of CNC machines?
Reduced scrap rate
Improved strength of the components
Higher flexibility
Improved quality
Which of the following system has feedback system?
Open loop system
Closed loop system
Direct loop system
None of the above
System in which positions are given with respect to a fixed point, usually the origin.
Absolute
Relative
Incremental
Modal
System in which positions is take from the prior one. Incremental is another name
Absolute
Relative
Modal
Who developed the First CNC used by the U.S Air Force
USC
LSU
MIT
Harvard
What type of coding does a CNC machine use?
G and M codes
Q codes
Bar codes
No codes
What does CNC stand for?
Computerized Numerical Controls
Computer memory calculations
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