R-2020 EX BETA 4

Work in progress… 

Uses a frame simular to the Rook 2020
BOM is similar to the rook 2020 mk2 with 36 f695 bearings and 2 more nema 17 motors

Uses Mitsubishi's Z axis 

2025-03-04

• Replaced input shaper graphs, LIS2DW was a problematic accelerometer, Used ADXL345 

2025-02-21

• Removed flawed AWD system
• Made Z axis assembly easier to print
• Updated motor mounts: regular stepper motors support double shear
• Y carriages are easier to print, stiffer and half decent to look at
• Belt path now 5 cm shorter than rook 2020 mk2
• Input shaper graph now looks half decent in testing.

2025-02-09

• New improved belt tensioner
• Dragon burner compatibility
• General tweaks and fixes

2025-01-18

• fixed minor issues with motor mounts
• Idler motor mounts now have a way to attach to the frame

2024-12-29

• Cleaned up feature tree into components
• Added missing features
• Fixed Left motor mount

2024-12-23

• Converted to “true AWD” with double shear for all motors
• New belt tensioner
• “finished” toolhead
• Feet
• And more