When cutting arcs or circles using the rotary. Laerweb produces G-code that slows the speed to a crawl proportionally depending on the amount of A axis movement vs X axis. I’ll post the gcode at the end. It does not exhibit this behavior when cutting rectangles or straight lines. Basically it ends up over melting the ends of my holes I am trying to cut.

I am on a custom machine running GRBL-LPC

G21 ; Set units to mm

G90 ; Absolute positioning

;

; Operation: 0

; Type: Laser Cut

; Paths: 1

; Passes: 1

; Cut rate: 1500 mm/min

;

; Pass 0

; Pass 0 Path 0

G0 X17.00 A0.11

M4

S800.00

G1 X17.99 A0.45 F1483.44

G1 X18.96 A1.01 F1454.56

G1 X19.90 A1.77 F1414.56

G1 X20.81 A2.71 F1367.52

G1 X21.69 A3.82 F1314.12

G1 X22.53 A5.08 F1255.08

G1 X23.32 A6.47 F1189.80

G1 X24.07 A7.98 F1126.92

G1 X24.78 A9.60 F1063.01

G1 X25.46 A11.30 F1013.63

G1 X26.09 A13.08 F944.94

G1 X26.68 A14.92 F888.26

G1 X27.23 A16.83 F826.22

G1 X27.75 A18.79 F779.30

G1 X28.24 A20.80 F731.61

G1 X28.69 A22.85 F674.13

G1 X29.11 A24.93 F629.97

G1 X29.49 A27.04 F572.29

G1 X29.85 A29.19 F537.41

G1 X30.18 A31.35 F495.70

G1 X30.48 A33.54 F449.30

G1 X30.74 A35.75 F390.50

G1 X30.99 A37.98 F373.27

G1 X31.20 A40.22 F315.10

G1 X31.39 A42.47 F285.01

G1 X31.55 A44.73 F240.24

G1 X31.69 A47.00 F209.93

G1 X31.80 A49.28 F164.85

G1 X31.89 A51.57 F134.56

G1 X31.95 A53.86 F89.91

G1 X31.99 A56.15 F60.00

G1 X32.00 A58.44 F15.01

G1 X31.99 A60.73 F15.01

G1 X31.95 A63.03 F59.74

G1 X31.89 A65.32 F89.91

G1 X31.80 A67.60 F135.15

G1 X31.69 A69.88 F164.85

G1 X31.55 A72.15 F209.93

G1 X31.39 A74.41 F240.24

G1 X31.20 A76.67 F283.79

G1 X30.99 A78.91 F315.10

G1 X30.74 A81.13 F374.85

G1 X30.48 A83.34 F390.50

G1 X30.18 A85.53 F449.30

G1 X29.85 A87.70 F493.67

G1 X29.49 A89.84 F539.60

G1 X29.11 A91.95 F572.29

G1 X28.69 A94.04 F627.49

G1 X28.24 A96.09 F674.13

G1 X27.75 A98.09 F734.40

G1 X27.23 A100.05 F779.30

G1 X26.68 A101.96 F826.22

G1 X26.09 A103.81 F885.13

G1 X25.46 A105.59 F944.94

G1 X24.78 A107.29 F1013.63

G1 X24.07 A108.90 F1066.28

G1 X23.32 A110.41 F1126.92

G1 X22.53 A111.80 F1189.80

G1 X21.69 A113.06 F1255.08

G1 X20.81 A114.17 F1314.12

G1 X19.90 A115.12 F1365.05

G1 X18.96 A115.88 F1414.56

G1 X17.99 A116.43 F1456.10

G1 X17.00 A116.77 F1483.44

G1 X16.00 A116.88 F1498.28

G1 X15.00 A116.77 F1498.28

G1 X14.01 A116.43 F1483.44

G1 X13.04 A115.88 F1456.10

G1 X12.10 A115.12 F1414.56

G1 X11.19 A114.17 F1365.05

G1 X10.31 A113.06 F1314.12

G1 X9.47 A111.80 F1255.08

G1 X8.68 A110.41 F1189.80

G1 X7.93 A108.90 F1126.92

G1 X7.22 A107.29 F1066.28

G1 X6.54 A105.59 F1013.63

G1 X5.91 A103.81 F944.94

G1 X5.32 A101.96 F885.13

G1 X4.77 A100.05 F826.22

G1 X4.25 A98.09 F779.30

G1 X3.76 A96.09 F734.40

G1 X3.31 A94.04 F674.13

G1 X2.89 A91.95 F627.49

G1 X2.51 A89.84 F572.29

G1 X2.15 A87.70 F539.60

G1 X1.82 A85.53 F493.67

G1 X1.52 A83.34 F449.30

G1 X1.26 A81.13 F390.50

G1 X1.01 A78.91 F374.85

G1 X0.80 A76.67 F315.10

G1 X0.61 A74.41 F283.79

G1 X0.45 A72.15 F240.24

G1 X0.31 A69.88 F209.93

G1 X0.20 A67.60 F164.85

G1 X0.11 A65.32 F135.15

G1 X0.05 A63.03 F89.91

G1 X0.01 A60.73 F59.74

G1 X0.00 A58.44 F15.01

G1 X0.01 A56.15 F15.01

G1 X0.05 A53.86 F60.00

G1 X0.11 A51.57 F89.91

G1 X0.20 A49.28 F134.56

G1 X0.31 A47.00 F164.85

G1 X0.45 A44.73 F209.93

G1 X0.61 A42.47 F240.24

G1 X0.80 A40.22 F285.01

G1 X1.01 A37.98 F315.10

G1 X1.26 A35.75 F373.27

G1 X1.52 A33.54 F390.50

G1 X1.82 A31.35 F449.30

G1 X2.15 A29.19 F495.70

G1 X2.51 A27.04 F537.41

G1 X2.89 A24.93 F572.29

G1 X3.31 A22.85 F629.97

G1 X3.76 A20.80 F674.13

G1 X4.25 A18.79 F731.61

G1 X4.77 A16.83 F779.30

G1 X5.32 A14.92 F826.22

G1 X5.91 A13.08 F888.26

G1 X6.54 A11.30 F944.94

G1 X7.22 A9.60 F1013.63

G1 X7.93 A7.98 F1063.01

G1 X8.68 A6.47 F1126.92

G1 X9.47 A5.08 F1189.80

G1 X10.31 A3.82 F1255.08

G1 X11.19 A2.71 F1314.12

G1 X12.10 A1.77 F1367.52

G1 X13.04 A1.01 F1414.56

G1 X14.01 A0.45 F1454.56

G1 X15.00 A0.11 F1483.44

G1 X16.00 A0.00 F1498.28

G1 X17.00 A0.11 F1498.28

M5

M5 ; Switch tool offEnd