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Heidenhain Cycle 1: Simple Drilling

CNC Heidenhain

Goal -- WPM

Ready
Exercise Algorithm Area
1program BasicDrill

2

3func MainDrillCycle(depth float64, feed float64, spindleSpeed int)

4// Ensure depth is always positive for safety

5if depth <= 0.0 {

6depth = 1.0 // Default to a small positive depth

7Print("Warning: Depth was non-positive, defaulting to 1.0")

8}

9

10// Ensure feed is within a reasonable range

11if feed <= 0.0 {

12feed = 100.0 // Default to a safe feed rate

13Print("Warning: Feed was non-positive, defaulting to 100.0")

14}

15

16// Ensure spindle speed is positive

17if spindleSpeed <= 0 {

18spindleSpeed = 500 // Default to a safe spindle speed

19Print("Warning: Spindle speed was non-positive, defaulting to 500")

20}

21

22// Call the helper function to perform the drilling action

23PerformDrill(depth, feed, spindleSpeed)

24

25Print("Drilling cycle completed.")

26end func

27

28func PerformDrill(drillDepth float64, drillFeed float64, drillSpindleSpeed int)

29// Simulate spindle start

30Print(fmt.Sprintf("Starting spindle at %d RPM", drillSpindleSpeed))

31

32// Simulate feed into material

33Print(fmt.Sprintf("Drilling to depth %.2f with feed %.2f", drillDepth, drillFeed))

34

35// Simulate retract

36Print("Retracting tool.")

37

38// Simulate spindle stop

39Print("Stopping spindle.")

40end func

41

42func Print(message string)

43// In a real CNC, this would log or display a message

44// For simulation, we just print to console

45// fmt.Println(message) // Uncomment for actual console output

46end func

47

48end program
Algorithm description viewbox

Heidenhain Cycle 1: Simple Drilling

Algorithm description:

This program simulates a basic drilling cycle for a CNC machine. It takes depth, feed rate, and spindle speed as input. The `MainDrillCycle` function validates these parameters, ensuring they are positive and within reasonable bounds, defaulting to safe values if not. It then calls the `PerformDrill` helper function to execute the simulated drilling operation. This is fundamental for simple hole creation in manufacturing.

Algorithm explanation:

The algorithm focuses on parameter validation and sequential execution of drilling steps. The `MainDrillCycle` function acts as the entry point, ensuring robust input by checking for non-positive values for depth, feed, and spindle speed. If invalid values are detected, it assigns safe defaults and logs a warning. This prevents potential errors or unsafe operations. The `PerformDrill` function then simulates the actual drilling process, including spindle start, feed motion, retraction, and spindle stop. The use of helper functions promotes modularity and readability. The time complexity is O(1) as it involves a fixed number of operations and no loops or recursion. Space complexity is also O(1) as it uses a constant amount of memory.

Pseudocode:

PROGRAM BasicDrill
  FUNCTION MainDrillCycle(depth, feed, spindleSpeed)
    IF depth <= 0 THEN
      depth = 1.0
      PRINT "Warning: Depth was non-positive, defaulting to 1.0"
    END IF
    IF feed <= 0 THEN
      feed = 100.0
      PRINT "Warning: Feed was non-positive, defaulting to 100.0"
    END IF
    IF spindleSpeed <= 0 THEN
      spindleSpeed = 500
      PRINT "Warning: Spindle speed was non-positive, defaulting to 500"
    END IF
    CALL PerformDrill(depth, feed, spindleSpeed)
    PRINT "Drilling cycle completed."
  END FUNCTION

  FUNCTION PerformDrill(drillDepth, drillFeed, drillSpindleSpeed)
    PRINT "Starting spindle at " + drillSpindleSpeed + " RPM"
    PRINT "Drilling to depth " + drillDepth + " with feed " + drillFeed
    PRINT "Retracting tool."
    PRINT "Stopping spindle."
  END FUNCTION

  FUNCTION Print(message)
    // Simulate message output
  END FUNCTION
END PROGRAM