Creating Toolpaths for a CNC Lathe Coursera Quiz Answer [💯Correct Answer]

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Week 1 quiz

1.
Question 1
When specifying the chuck’s position in a setup, one purpose of offsetting its position from the back of the part is to allow:

1 point

  • Reduced distance for the secondary spindle to travel if a transfer is required.
  • Improved stability when using the tailstock.
  • Shorter distance to a safe tool change position.
  • Access for a part-off tool to separate the finished part from the remaining stock.

2.
Question 2
When creating a turning setup, which Model Position option allows you to specify the amount of extra stock relative to the front of the part?

1 point

  • Offset from front.
  • Center.
  • No additional stock.
  • Offset from back.

3.
Question 3
Inside the CAM Tool Library window, which of the following two filter types are available to search for various lathe tool options?

1 point

  • Recently Used.
  • Type.
  • Samples.
  • Operation.

4.
Question 4
Any changes made to tools stored in a cloud-based user library are:

1 point

  • Saved automatically.
  • Require cloud credits to save.
  • Saved only when the current file itself is saved.
  • Not saved.

5.
Question 5
Which retraction policy option provides a greater amount of distance between the cutting tool and the stock after completing successive passes?

1 point

  • Rest Machining.
  • Full Retraction.
  • Minimum Retraction.
  • No Dragging.
Week 2 quiz

1.
Question 1
When using the Single Groove toolpath, which Groove Side Alignment option will offset the tool in the negative Z direction relative to selected groove geometry?

1 point

  • Middle.
  • Back.
  • Center.
  • Front.

2.
Question 2
When using the Turning Groove toolpath, you can select the geometry to be cut by:

1 point

  • Window selecting the whole part.
  • Clicking a groove edge on the solid.
  • Containing it between the Front and Back planes.
  • Clicking a cylindrical face on the part.

3.
Question 3
The difference between Create Derived Toolpath and Duplicate is that:

1 point

  • You can only change the feed and speed when using Create Derived Toolpath.
  • You will only be able to choose a different tool for the new toolpath tool when using Create Derived Toolpath.
  • Duplicate will not allow you to change any parameters for the new operation.
  • Create Derived Toolpath will re-use the parameter values from an existing operation but allow you to apply them to a different toolpath type.

4.
Question 4
When simulating toolpaths, which of the following options will pause the simulation during playback if a collision occurs?

1 point

  • Material.
  • Show Points.
  • Transparent.
  • Stop on Collision.

5.
Question 5
Which option in the post process window will allow you to review the G code output automatically after clicking the post button?

1 point

  • Reorder to minimize tool changes.
  • Open NC file in editor.
  • Post preview.
  • Edit G code.
Week 3 quiz

1.
Question 1
If features exist on a design’s timeline, which of the following happens if you choose Do not capture Design History at a later point?

1 point

  • Some features will be moved to the browser.
  • Changes will not be saved.
  • Current timeline will not be changed.
  • Only additional features will be excluded from the timeline.

2.
Question 2
Removing model geometry from a part that does not contain a feature-based history or a timeline (such as an imported model from another CAD application) is referred to as:

1 point

  • Direct Modeling.
  • Versioning.
  • Extruding.
  • Sculpting.

3.
Question 3
When simulating the Turning Thread toolpath, the resulting thread form geometry is not displayed:

1 point

  • True.
  • False.

4.
Question 4
When drilling an on-axis hole on a CNC lathe, spindle speed refers to which of the following?

1 point

  • The rotational speed of the stock or part in the chuck.
  • The rotational speed of the drill bit itself.
  • None of these choices.
  • The velocity of the drill bit along the Z direction.

5.
Question 5
When a toolpath pattern is created, what happens to the original toolpath?

1 point

  • It can be nested within the newly created pattern shown in the browser.
  • It is deleted.
  • Multiple copies of it are made in the browser.
  • It is regenerated.
Week 4 quiz

1.
Question 1
When drilling a hole or bore that is stepped i.e. includes more than one internal diameter, what tool characteristic must be considered as the toolpath is created?

1 point

  • The shank style of the drill.
  • The drill’s overall length.
  • The number of flutes on the tool.
  • The drill’s tip geometry.

2.
Question 2
Which of the following must be noted when using the Continue Machining from Previous Setup option for turning setups to complete backside operations?

1 point

  • The resulting stock shape from the first setup will not be accurate enough to be reliable.
  • The resulting stock shape will be based on whether the previous setup’s operations extended past the back of the part.
  • This option cannot be used for secondary backside turning setups.
  • The resulting stock from the first setup must first be exported as an STL.

3.
Question 3
Within the options for the Turning Part toolpath, which parameter can be adjusted to keep the part-off tool from unnecessarily cutting all the way to the center axis of the part, as in the case of a part that has a hole or bore through the center?

1 point

  • Inner Radius Offset.
  • Clearance Offset.
  • Retract Offset.
  • Outer Radius Offset.

4.
Question 4
In some cases, it may be possible to use which of the following two parameters on the Tool tab in the Turning Profile toolpath to help resolve collision situations involving toolholder geometry that interferes with the workpiece?

1 point

  • Tool Orientation.
  • Cutting Feedrate.
  • Pass Direction.
  • Lead-out Feedrate.

5.
Question 5
In Fusion 360, the body that is used to define the stock must be the same body that is used to create the toolpaths.

1 point

  • False.
  • True.
Course assessment

1.
Question 1
After double-clicking a turning tool from the library to access the tool’s information, which parameter is NOT found on the Setup tab?

1 point

  • Feedrates.
  • Spindle Rotation.
  • Compensation.
  • Orientation in Turret.

2.
Question 2
The parameters on the Linking tab are used to specify how the cutting tool will:

1 point

  • Move during a tool change.
  • Be stored in multiple libraries.
  • Be used in multiple operations.
  • Enter and exit the stock.

3.
Question 3
Fusion 360 will calculate a toolpath based upon remaining material from previous operations when which one of the following options is turned on?

1 point

  • Repeat Finishing Pass.
  • No Dragging.
  • Rest Machining.
  • Stock to Leave.

4.
Question 4
On the toolpath Geometry tab, the backplane offset value can be changed so that:

1 point

  • The part model is shorter
  • The part is moved closer to the chuck.
  • Fewer passes are required to cut the part.
  • The cutting tool is confined to not move past a certain point in Z.

5.
Question 5
In the Approach & Retract section on the Linking tab of a turning toolpath, Safe Z can be selected as an option for which of the following?

1 point

  • Neither Approach Z nor Retract Z.
  • Only for Approach Z.
  • Only for Retract Z.
  • Both Approach Z and Retract Z.

6.
Question 6
After right-clicking an operation in the browser, which two dropdown menu choices allow you to re-use toolpath parameters, such as Approach & Retract or Linking values, to quickly create additional operations?

1 point

  • Add to New Folder.
  • Make Default.
  • Create NC Program.
  • Create Derived Operation.

7.
Question 7
When creating a Turning Groove toolpath for an internal operation, which of the following parameters could be adjusted to affect the position of the tool’s tip and provide adequate clearance so that the tool can enter the part?

1 point

  • Pass Overlap.
  • Inside Radius.
  • Backoff Distance.
  • Outer Radius.

8.
Question 8
To achieve the intended final part dimensions, it’s important to make sure that which one of the following options is un-checked when combining roughing and finishing passes in the same operation?

1 point

  • Smoothing.
  • Stock to Leave.
  • Allow Rapid Retract.
  • Repeat Finishing Passes.

9.
Question 9
If the preceding operations change, it’s possible that any toolpaths using the Rest Machining option will have to be:

1 point

  • Regenerated.
  • Deleted.
  • Placed in a new folder.
  • Added to a new setup.

10.
Question 10
Which option inside the Turning Part toolpath allows you to make use of a secondary spindle to hold the part for completing other machining operations after the part off is complete?

1 point

  • Use Pecking.
  • Rest Machining.
  • Transfer Stock.
  • Finishing Passes.

11.
Question 11
Is it possible to apply the Turning Chamfer toolpath to chamfer edges of a part if the chamfers are modeled as features?

1 point

  • Yes.
  • No.

12.
Question 12
Which of the following parameters is obtained from a thread chart?

1 point

  • Infeed Angle.
  • Thread Depth.

13.
Question 13
Part geometry can only be modified in the Design workspace.

1 point

  • True.
  • False.

14.
Question 14
In a Drill toolpath, which parameter can be used to move the drill point past the end of a hole by a specified amount?

1 point

  • Break-Through Depth.
  • Chip Break Distance.
  • Retract Height.
  • Pecking Depth.

15.
Question 15
Which of the following Drill toolpath cycle types fully retracts the drill tip out of the hole between pecks?

1 point

  • Deep Drilling.
  • Reaming.
  • Tapping.
  • Counterboring.

16.
Question 16
When a tap is selected as the tool to be used in a Drill toolpath, what automatically happens?

1 point

  • Stock size is automatically updated.
  • The file is automatically saved.
  • The Cycle Type is automatically set to Tapping.
  • Coolant is automatically turned on.

17.
Question 17
If a part requires internal threads to be produced by tapping, what is the main reason to be sure that the hole is drilled some amount deeper than the depth of the tapping operation?

1 point

  • To prevent the tap from bottoming-out and breaking.
  • To improve the accuracy of the threadform.
  • To prevent excessive burrs from forming.
  • To reduce wear on the cutting edges of the tap.

18.
Question 18
It’s especially important to note that on-axis tapping on a CNC lathe requires the motion of the tap to be linked to the rotation of the spindle.

1 point

  • True.
  • False.

19.
Question 19
When simulating toolpath operations, one key difference between internal threads produced by tapping using a Drill toolpath and threads that are cut using a Turning Thread toolpath is that:

1 point

  • The resulting thread is not displayed when simulating threads produced by tapping operations.
  • The resulting thread is not displayed when simulating Turning Thread toolpaths.
  • Tapped threads display more accurately.
  • Tapped threads take longer to display.

20.
Question 20
When creating a toolpath pattern, it is first necessary to select the toolpath in the browser:

1 point

  • True.
  • False.

Peer-graded Assignment: Course Challenge – Peer Review

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