Vertical lines when engraving logo on black flask (Creality Falcon 2 Pro + Rotary Kit)

[ednisley]

@augustolezcanopaez

clean the rollers

It is entirely possible the roller was manufactured incorrectly and is out of round or mounted eccentrically on its shaft / bearings.

This problem came from a bad wheel carrying the laser gantry:

Laser engraves bumby lines which causes visible bands

Found the reason, it was one of the roller wheels. While disassembling and reassembling the machine, I didn’t really see anything wrong. The pulley wheels and belts looked good, and just a precaution, I switched the pulley from X-axis to Y-axis. But then I noticed something when assembling the laser carriage. Even though the pulley and belt were not connected, I felt something odd when putting the top rail between the wheels. A little bump roughly every 4cm, and the only thing making contact w…

Something similar may be wrong with the roller.