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6.1 HAAS CONTROL KEYPAD & SCREEN - BASIC MILL OPERATOR
The Haas Control is the computer system that runs the Haas machine. - ANS True 
 
The Reset key does the following: - ANS Clears alarms, clears text, and resets the control for machine operation 
 
Any time you have pressed the E-Stop button, you will need to rotate it clockwise to disengage it, and then press Reset to exit the E-Stop state and reset the machine. - ANS True 
 
When you start the machine, pressing the Power Up key does what? - ANS Zero returns the axes and gets the co...
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- • 2 pages •
The Haas Control is the computer system that runs the Haas machine. - ANS True 
 
The Reset key does the following: - ANS Clears alarms, clears text, and resets the control for machine operation 
 
Any time you have pressed the E-Stop button, you will need to rotate it clockwise to disengage it, and then press Reset to exit the E-Stop state and reset the machine. - ANS True 
 
When you start the machine, pressing the Power Up key does what? - ANS Zero returns the axes and gets the co...
Haas 1.2 From Raw Stock To Finish Part - Basic Mill Operator
When the part being made is going to be rectangular in shape, the shape of the raw material from which the part will be made most likely is? - ANS Rectangular stock 
 
It is not important to do a quick check on the raw material for basic shape and overall size to make sure the material is correct. - ANS False 
 
When we say the machine is "set up," we mean: - ANS The machine is prepared to make a particular part
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- • 2 pages •
When the part being made is going to be rectangular in shape, the shape of the raw material from which the part will be made most likely is? - ANS Rectangular stock 
 
It is not important to do a quick check on the raw material for basic shape and overall size to make sure the material is correct. - ANS False 
 
When we say the machine is "set up," we mean: - ANS The machine is prepared to make a particular part
7.1 Basic Blueprint Reading - Basic Mill Operator
Blueprints are commonly referred to as drawings. The blueprints or drawings are the method that engineers use to tell a machinist how to make a part, what is critical about the part, the material you need to make it from, and more. - ANS True 
 
The common format for a part drawing divides the drawing into zones. These zones are: 
Choose one - ANS Letters (A thru Z) on the bottom axis, and numbers (1-10) on the side axis 
 
The drawing Title Block - which lists the Company Name, the Drawin...
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- Exam (elaborations)
- • 2 pages •
Blueprints are commonly referred to as drawings. The blueprints or drawings are the method that engineers use to tell a machinist how to make a part, what is critical about the part, the material you need to make it from, and more. - ANS True 
 
The common format for a part drawing divides the drawing into zones. These zones are: 
Choose one - ANS Letters (A thru Z) on the bottom axis, and numbers (1-10) on the side axis 
 
The drawing Title Block - which lists the Company Name, the Drawin...
NIMS CNC Operator Test Study Guide
+X - ANS A jog key that moves the spindle along the X-axis in the positive direction. 
 
minus (-)X - ANS A jog key that moves the spindle along the X-axis in the negative direction. 
 
+Y - ANS A jog key that moves the spindle along the Y-axis in the positive direction. 
 
minus (-)Y - ANS A jog key that moves the spindle along the Y-axis in the negative direction. 
 
+Z - ANS A jog key that moves the spindle along the Z-axis in the positive direction. 
 
minus (-)Z - ANS A jo...
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- • 9 pages •
+X - ANS A jog key that moves the spindle along the X-axis in the positive direction. 
 
minus (-)X - ANS A jog key that moves the spindle along the X-axis in the negative direction. 
 
+Y - ANS A jog key that moves the spindle along the Y-axis in the positive direction. 
 
minus (-)Y - ANS A jog key that moves the spindle along the Y-axis in the negative direction. 
 
+Z - ANS A jog key that moves the spindle along the Z-axis in the positive direction. 
 
minus (-)Z - ANS A jo...
1.3 Basic Explanation Of G & M Codes - Basic Mill Operator
The basic milling machine is capable of moving in how many directions? - ANS 3 directions or axes 
 
When the machine moves, we describe the machine as moving in a specific axis. What direction is the X-axis movement? - ANS Side to side 
 
The Machine Coordinate System defines where the axes can move, and how far they have moved. - ANS True 
 
The 3 axes are X, Y, and Z. When all 3 axes are at 0.000 in the Machine Coordinate System, we call that position: - ANS The Home Position 
 
W...
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- Exam (elaborations)
- • 2 pages •
The basic milling machine is capable of moving in how many directions? - ANS 3 directions or axes 
 
When the machine moves, we describe the machine as moving in a specific axis. What direction is the X-axis movement? - ANS Side to side 
 
The Machine Coordinate System defines where the axes can move, and how far they have moved. - ANS True 
 
The 3 axes are X, Y, and Z. When all 3 axes are at 0.000 in the Machine Coordinate System, we call that position: - ANS The Home Position 
 
W...
9.1 BASIC MATH - BASIC MILL OPERATOR
This video outlined the minimum math skills you will need to work in a machine shop. For additional math skills, we suggest that you: - ANS Use a simple Google or YouTube search to find the necessary additional help 
 
It is important to be able to estimate how long a job will run, based on the total number of parts needed and how many you can run per hour or day. - ANS True 
 
It is important to be able to read a tape measure when you are asked to find the correct raw material from the raw ...
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- Exam (elaborations)
- • 1 pages •
This video outlined the minimum math skills you will need to work in a machine shop. For additional math skills, we suggest that you: - ANS Use a simple Google or YouTube search to find the necessary additional help 
 
It is important to be able to estimate how long a job will run, based on the total number of parts needed and how many you can run per hour or day. - ANS True 
 
It is important to be able to read a tape measure when you are asked to find the correct raw material from the raw ...
6.2 ESSENTIAL CONTROL FUNCTIONS - BASIC MILL OPERATOR
When we use the term "crash" on a machine tool, we are primarily speaking of: - ANS The spindle colliding with another object in the machine enclosure 
 
Crashing a CNC machine results in downtime for the machine, and can be very costly to the shop owner. Every shop is concerned about crashing their CNC machines. - ANS True 
 
The quickest way to stop a machine in an emergency is: - ANS Press the Emergency Stop button 
 
If the cutting tool is in the middle of a cut, and you hear a no...
- Package deal
- Exam (elaborations)
- • 2 pages •
When we use the term "crash" on a machine tool, we are primarily speaking of: - ANS The spindle colliding with another object in the machine enclosure 
 
Crashing a CNC machine results in downtime for the machine, and can be very costly to the shop owner. Every shop is concerned about crashing their CNC machines. - ANS True 
 
The quickest way to stop a machine in an emergency is: - ANS Press the Emergency Stop button 
 
If the cutting tool is in the middle of a cut, and you hear a no...
4.1 Correctly Load And Unload Parts - Basic Mill Operator
It is important to spend time in front of an actual CNC machine to become familiar with what they do and how they operate. A good place to do this is: - ANS Your local Haas Factory Outlet 
 
What is the most common workholding device? - ANS A mill vise 
 
Every workpiece in a job run needs to be located in the same position every time you load the vise. - ANS True 
 
The bottom of the vise locates the workpiece for which axis? - ANS Z axis 
 
Vise jaws come in a number of different c...
- Package deal
- Exam (elaborations)
- • 2 pages •
It is important to spend time in front of an actual CNC machine to become familiar with what they do and how they operate. A good place to do this is: - ANS Your local Haas Factory Outlet 
 
What is the most common workholding device? - ANS A mill vise 
 
Every workpiece in a job run needs to be located in the same position every time you load the vise. - ANS True 
 
The bottom of the vise locates the workpiece for which axis? - ANS Z axis 
 
Vise jaws come in a number of different c...
2.1 Machine and Work Area Safety - Basic Mill Operator
2.1 Machine and Work Area Safety - Basic Mill Operator 
 
 
The number 1 cause of injury in a machine shop is: - ANS Inattention by the Operator 
 
There are many ways to stop a machine. The next couple of questions all focus on the various ways to stop a machine. Which answer below best describes what the Reset button does? - ANS Stops a program, and returns it to the first line of code in the program 
 
Which answer below best describes what the Feed Hold button does? - ANS Stops axis...
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- Exam (elaborations)
- • 2 pages •
2.1 Machine and Work Area Safety - Basic Mill Operator 
 
 
The number 1 cause of injury in a machine shop is: - ANS Inattention by the Operator 
 
There are many ways to stop a machine. The next couple of questions all focus on the various ways to stop a machine. Which answer below best describes what the Reset button does? - ANS Stops a program, and returns it to the first line of code in the program 
 
Which answer below best describes what the Feed Hold button does? - ANS Stops axis...
3.2 Basic Machine Power Off - Basic Mill Operator
3.2 Basic Machine Power Off - Basic Mill Operator 
 
 
When you leave your station at the end of your shift or for the weekend, it is important that you clean your workspace, put away your tools, and clean up any spills that may have occurred. - ANS True 
 
When operating a CNC machine throughout the workday, there is no need to clean out the chips several times during the day. - ANS False 
 
Leaving large piles of chips in a machine, particularly steel or iron chips, will lead to rust ins...
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- Exam (elaborations)
- • 1 pages •
3.2 Basic Machine Power Off - Basic Mill Operator 
 
 
When you leave your station at the end of your shift or for the weekend, it is important that you clean your workspace, put away your tools, and clean up any spills that may have occurred. - ANS True 
 
When operating a CNC machine throughout the workday, there is no need to clean out the chips several times during the day. - ANS False 
 
Leaving large piles of chips in a machine, particularly steel or iron chips, will lead to rust ins...
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