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CNC Quiz

Study for 11/24/15

QuestionAnswer
What does CNC stand for? Computer Numerical Control
Which program typically creates an input file? CAD (Computer Aided Design)
What do you need to wear in terms of safety? Eye Protection
Do you need to keep your hair tied back and loose clothing secured? Yes
Which kind of protection should be used during vibration and noise? Ear Protection
Define 2.5D CNC. A machining scenario in which there are no overhanging elements to the part.
What is G-code? A programming language in which humans teach computerized machine tools how to make something.
Why is the Dust Collector a very important feature? Because it collects particles that are large enough to interfere with the physical operation of the CNC.
Why is the Z Zero Plate a very important feature? Because you must tell your machine the thickness of the top surface of your material.
What is the maximum thickness for the CNC? 3 inches
What do you must secure your workpiece with? Screws
What is the priority order for the types of cuts to be used? First, set up lighter or engraving cuts. Then set up deeper or finish cuts last.
What is the flat plane on which workpiece to be mounted called? Bed
What sits atop the bed under your workpiece and protects the table? Spoil Board
What is the bridge that carries the spindle over the table? Gantry
What is similar to a Router, but is more versatile? Spindle
What is a small collar that holds the Bit, the cutting tool securely? Collet
What are the changeable bits that cut the material on the bed called? Cutting Tool or Bit
On our Shopbot, the X axis is the long dimension on the table. X Axis
What will be the shorter dimension across the table, parallel to the Gantry? Y Axis
What is the plunge of the Spindle? Z Axis
What are Soft Stops that ensure the Gantry knows its position and doesn't exceed the working area of the table? Proximity Switches
What are Hard Stops that physically prevent the machine operations from exceed the working area of the table? Mechanical Stops
What tool collects dust? Dust Collector
What is a conductive plate wired to the ShopBot Spindle that, when active and in contact with the tip of the cutting bit, informs the ShopBot where the Zero Point of the Z Axis will be. Z Zero Plate
Created by: ajhenry
 

 



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