=====Lose Position=====

====Problem description====

  - Machine cannot return to the starting position accurately after work is completed.
  - Two repeated carvings cannot coincide.
  - Can't carve out the same pattern as the one displayed on the software, with displacement and distortion.

====What cause this problem====

  - The gear connecting the motor is loose.
  - Motor current too low。Motor do not have enough power to move. try [[adjust_motor_current|Adjust motor current]]
  - Speed or acceleration is too fast.


===Tighten screws===

Please noticed, not all screws are shown, this picture just is a tips.

{{ :p00212-165654.png?nolink |}}

===Low down acceleration and speed ===

{{ :20200212171502.png?nolink |}}

{{ :20200212171535.png?nolink |}}