CNC Hot Wire Cutter Part 4: Dynamic Motor Tensioning

https://www.thingiverse.com/thing:532... Part 4 of building a CNC Hot Wire Cutter with 3D Printed parts for cutting foam wings/fuselage pieces for RC applications. In this part I removed the gravity tensioned system, and replaced it with an open-loop motor controlled system. 00:00 Intro 02:35 GRBL Firmware Update 04:12 Hardware Setup 05:00 Motor Control 10:03 Y-Axis Gearbox 11:46 Rigidity Issues 12:47 Speed Comparison 13:43 Future Plan and Outro Open Parts Builds: https://openbuildspartstore.com/ BOM: https://docs.google.com/spreadsheets/... RCKeith:    / khowlette   Nathan Knight:    / nateobomb2