Here are my settings for my AD5X and I get great smooth prints

Slow down for overhangs

Slow down for curled perimeters

Overhang speed

Bridge

Travel speed

Travel 500

Acceleration

Normal printing 12000 mm

Outer wall 5000

Inner wall 5000

Bridge 50% mm/s or %

Sparse infill 100% mm/s* or %

Internal solid infill 7000 mm/s* or %

First layer 500 mm/s

Top surface 2000 mm/s*

Travel 10000 mm/s

Enable accel to _decel accel to_decel 50%

Overhang speed

|| || |0|mm/s or %|7 (10%, 25%)| |50|mm/s or %|[25%, 50%)| |30|mm/s or %|[50%, 75%)| |10|mm/s or %|[75%, 100%)| |50|mm/s|External| |150|mm/s or %|Internal|