Offhand Grinding
What is the name of the test used to check if a grinding wheel is cracked or not?
Ring Test
What company coined the term Automation?
Ford Motor Company
What does MDI stand for?
Manual Data Input
What does CNC stand for?
Computer Numerical Control
Classification of metals containing iron
Ferrous Metals
When hardening steel after the quenching process, the steel is _______ and ________.
Hard and brittle
What is the most common work-holding device on a surface grinder?
Magnetic Chuck
The quality of a machined surface is called...
Surface Finish
What is the most common work-holding device used in CNC milling?
Vise
What does EDM stand for?
Electrical Discharge Machining
What machines are used to perform offhand grinding?
Pedestal Grinder/Belt Grinder
An inventory system in which materials arrive when needed.
Just in time (JIT)
What G code is used to make a linear interpolation?
G01
The biggest disadvantage of using CNC machines?
Initial cost of investment
What is the chief characteristic of stainless steel?
It does not rust/oxidize
What does tempering a piece of hardened steel do?
Reduces a metal's brittleness/hardness
What can cause irregular scratches on the work when grinding?
Dirty Coolant
The maximum peak-to-vally height of a surface finish
Waiviness
A canned cycle used to drill deep holes while retracting repeatedly to aid in clearing chips from the hole
Peck drilling
Unlike conventional machining processes, the EDM process not produce_______.
Chips
How far should the tool rest be positioned from the grinding wheel?
1/16th
The range of motion that a robotic arm can freely travel in a given 3D space
Work Envelope
What code is used to start the spindle?
M03/M04
What are the 3 axes of movement on a CNC mill?
X, Y, Z
Copper mixed with what other element creates brass?
zinc
Name 1 of the 4 things used as quenching media?
Water, Oil, Air, Liquid Nitrogen
What is the best method to precisely grind contoured surfaces?
Using a CNC grinder
An inorganic coating that forms a protective layer over alluminum, commenly used to change its color
Anodizing
What does Q represent in a peck drilling cycle?
Peck Depth
A light mineral oil used to form a nonconductive barrier between the electrode and the work
Dielectric Fluid
What happens to the grinding wheel when you grind soft metals such as aluminum, brass, or copper?
Loaded Wheel
Name 1 of the 4 main applications for industrial robots?
Hazardous Environments
Tedious Operations
Precision Operations
Handling Heavy Materials
What M code is used to turn the coolant on?
M08
How often should you bypass the safety devices on a CNC machine?
Never
What are the ways of identifying metals?
Spark Test
Codes
Color Codes
Name 1 of the 4 types of hardness testers?
Rockwell, Brinell, Webster, Scleroscope
What can cause chatter and vibration marks on the work when grinding?
A glazed or loaded wheel
A proccess in which an electric current is used to deposit a layer of one metal on the surface of another metal
Electroplating
What G-Code is used for tapping operations?
G84
What process is similar to bandsaw machining but uses a small-diameter wire electrode?
Electrical Wire Discharge Machining (EDWC)
What is it called when a grinding wheel has a shiny finish that cuts inefficiently?
Glazed Wheel
Name 1 of the 5 basic manufacturing processes that can be completed using automation?
Making
Inspecting
Assembling
Testing
Packaging
What code is used to make a tool change?
M06
A programming method in which machine operators can select operations from menus without needing to understand G-code
Conversational
Nickel-based alloys, Molybdenum, Tantalum, and Tungsten are all examples of what classification of metals?
High Temperature Metals
A process used to reduce the hardness of metal to make it easier to machine
Annealing?
What type of grinding machine is used to support milling cutters while they are being sharpened?
Universal Tool and Cutter Grinder
Brushing, Spaying, Roller Coating, Dipping, and Flow are all types of what clasification of coating?
Organic coatings
What code is used at the end of the program to end and reset the program?
M30
Similar to EDM but is likened to electroplating in reverse. The process removes material through electrolysis
Electrochemical Machining (ECM)