Threading
Tooling
Tooling Part 2
CNC
Misc...
100
What does the 1 stand for in the following thread?
1/2-20 UNC 1B
Class of fit- Tightest
100
What is considered the "standard" end mill
Square end mill
100
What tool is this?
Countersink
100
What does CNC stand for?
Computer numerical control
100
What is a servo motor?
The motor inside of a CNC machine that helps it maintain its position
200
How many threads per inch in this thread?
5/16-24 UNF 2A
24 TPI
200
Does the # of flutes on an endmill matter and why?
Yes, it dictates what material you should be cutting as well as things like depth of cut and feed rate
200
What is the purpose of a center drill in machining?
Creating a starting point for a twist drill
200
How many digits should a program # be? (range)
4-6 digits
200
Why are CNC machines predominantly bedmills?
Rigidity
300
How many ways can buttress threads transmit power?
One way
300
What is this tool?
Right hand turning tool
300
What is the main purpose of reamers in machining?
Accurately enlarging holes a small amount
300
Tell me 3 other letters needed to write a successful G-Code program other than G and M
D,F,H,N,O,P,R,S,T,X,Y,Z
300
Define orthographic projection
Projections of individual sides and features of a piece that accurately show details and measurements in a 2d plane
400
What is the crest of a thread?
Top of the thread
400
What is this tool?
Boring Bar
400
What is the most simplistic way to create threads on manual machines?
Tap and Die
400
What does F stand for in G-Code?
Feed rate
400
What shape is the top of the drawbar on a manual milling machine?
Hexagon
500
What is a multi-lead thread?
A multi-start thread consists of two or more intertwined threads running parallel to one another
500
What does PCD stand for?
polycrystalline diamond
500
When using an endmill, what operation allows it to make a circular pattern cutting with the sides of the endmill?
Interpolation
500
What does P stand for in G Code?
Dwell
500
What shape is used to fit most pieces of the Bridgeport mill together?
Dovetail