0 BEGIN PGM WAVE_SURFACING MM 1 BLK FORM 0.1 Z X+0 Y+0 Z-40 2 BLK FORM 0.2 X+100 Y+100 Z+0 3 ; 4 ; =================================================== 5 ; --- CYCLE 32: SMOOTH CONTROLLING FOR HIGH SPEED --- 6 ; Allows the controller to blend small linear moves 7 ; into a smooth surface and prevents stuttering. 8 ; =================================================== 9 CYCL DEF 32.0 TOLERANCE 10 CYCL DEF 32.1 HSC-MODE:1 TA+0.05 11 ; 12 ; =================================================== 13 ; --- CONFIGURATION PARAMETERS --- 14 ; =================================================== 15 Q1 = 0 ; X-coordinate tracker (starts at 0) 16 Q2 = 0 ; Y-coordinate tracker (starts at 0) 17 ; 18 ; Step size of 0.5mm is ideal for surface finish with 19 ; a ball-nose endmill while keeping program size reasonable. 20 ; 100mm / 0.5mm step size = 200 steps. 21 ; Note: In Heidenhain, CALL LBL REP executes the label 22 ; N additional times. So REP 199 runs the block 200 times. 23 Q10 = 199 ; Repetitions for X-axis (200 steps total) 24 Q11 = 99 ; Repetitions for Y-axis (100 double-passes total) 25 ; ; =================================================== ; --- TOOL CALL AND INITIAL POSITIONING --- ; --- REQUIRED TOOL: 3MM BALL ENDMILL (BALL NOSE) --- ; =================================================== TOOL CALL 1 Z S10000 F1500 30 L Z+10 R0 FMAX M3 31 L X+Q1 Y+Q2 R0 FMAX 32 ; 33 ; =================================================== 34 ; --- MAIN BI-DIRECTIONAL SCANNING LOOP --- 35 ; =================================================== 36 LBL 1 37 ; ------------------------------------------------- 38 ; PASS 1: Left-to-Right Sweep (X increases) 39 ; ------------------------------------------------- 40 LBL 2 41 ; --- WAVE PROPAGATION SURFACE FORMULA (RIPPLE) --- 42 ; Wave center is at (50, 50) - the middle of the block. 43 Q30 = Q1 - 50 ; DX (Distance in X from center) 44 Q31 = Q2 - 50 ; DY (Distance in Y from center) 45 Q32 = ( Q30 * Q30 ) + ( Q31 * Q31 ) ; Distance squared 46 Q33 = SQRT ( Q32 ) ; Radial distance d from center (mm) 47 48 ; Calculate wave phase in degrees (24 deg/mm -> ~15mm wavelength) 49 Q34 = Q33 * 24 50 51 ; Linear decay factor: wave dies out near the corners (~70.7mm) 52 Q35 = 1 - ( Q33 / 72 ) 53 54 ; Calculate Z height: 55 ; Peak amplitude is 4mm. We shift by -4mm so that the highest 56 ; peak is at Z=0 (top of stock) and troughs carve down to Z=-8mm. 57 Q3 = ( COS( Q34 ) * 4 * Q35 ) - 4 58 59 ; Move to calculated 3D point 60 L X+Q1 Y+Q2 Z+Q3 R0 F1500 61 62 ; Increment X-axis tracker 63 Q1 = Q1 + 0.5 64 CALL LBL 2 REP Q10 65 ; 66 ; Step Y-axis forward by 0.5mm 67 Q2 = Q2 + 0.5 68 L Y+Q2 R0 F1500 69 ; 70 ; ------------------------------------------------- 71 ; PASS 2: Right-to-Left Sweep (X decreases) 72 ; ------------------------------------------------- 73 LBL 3 74 ; --- WAVE PROPAGATION SURFACE FORMULA (RIPPLE) --- 75 Q30 = Q1 - 50 76 Q31 = Q2 - 50 77 Q32 = ( Q30 * Q30 ) + ( Q31 * Q31 ) 78 Q33 = SQRT ( Q32 ) 79 Q34 = Q33 * 24 80 Q35 = 1 - ( Q33 / 72 ) 81 Q3 = ( COS( Q34 ) * 4 * Q35 ) - 4 82 83 ; Move to calculated 3D point 84 L X+Q1 Y+Q2 Z+Q3 R0 F1500 85 86 ; Decrement X-axis tracker 87 Q1 = Q1 - 0.5 88 CALL LBL 3 REP Q10 89 ; 90 ; Step Y-axis forward again by 0.5mm 91 Q2 = Q2 + 0.5 92 L Y+Q2 R0 F1500 93 ; 94 ; Repeat the entire double-pass cycle until Y reaches 100mm 95 CALL LBL 1 REP Q11 96 ; 97 ; =================================================== 98 ; --- CLEANUP AND EXIT --- 99 ; =================================================== 100 L Z+20 R0 FMAX M2 101 END PGM WAVE_SURFACING MM