0
0
CNC Programmingscripting~10 mins

Why strategy selection affects surface finish and cycle time in CNC Programming - Test Your Understanding

Choose your learning style9 modes available
Practice - 5 Tasks
Answer the questions below
1fill in blank
easy

Complete the code to select the correct machining strategy for a smooth surface finish.

CNC Programming
strategy = '[1]'  # Choose the best strategy for fine surface finish
Drag options to blanks, or click blank then click option'
Afinishing
Bdrilling
Croughing
Dpocketing
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing roughing instead of finishing, which leaves a rough surface.
2fill in blank
medium

Complete the code to set the cycle time based on the selected strategy.

CNC Programming
if strategy == 'finishing':
    cycle_time = [1]  # Time in minutes for finishing
Drag options to blanks, or click blank then click option'
A5
B30
C10
D60
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing a very long time like 60 minutes, which is typical for roughing.
3fill in blank
hard

Fix the error in the code that calculates surface finish quality based on strategy.

CNC Programming
if strategy == 'roughing':
    surface_finish = [1]  # Higher value means rougher finish
Drag options to blanks, or click blank then click option'
A0.8
B1.5
C0.05
D0.2
Attempts:
3 left
💡 Hint
Common Mistakes
Using a low value which indicates a smooth finish, not rough.
4fill in blank
hard

Fill both blanks to calculate total machining time and select the strategy.

CNC Programming
total_time = base_time [1] strategy_time
strategy = '[2]'
Drag options to blanks, or click blank then click option'
A+
B-
C*
Dfinishing
Attempts:
3 left
💡 Hint
Common Mistakes
Using '-' which would reduce total time incorrectly.
5fill in blank
hard

Fill all three blanks to create a dictionary mapping strategies to their cycle times and select the best strategy.

CNC Programming
cycle_times = {'roughing': [1], 'finishing': [2], 'drilling': [3]
best_strategy = min(cycle_times, key=cycle_times.get)
Drag options to blanks, or click blank then click option'
A60
B10
C5
D30
Attempts:
3 left
💡 Hint
Common Mistakes
Mixing up cycle times or assigning unrealistic values.