Couplings

Build Time : 5 hours (1-5 hours CNC, 30 mins on the lathe)

Required machines : lathe, CNC, drill press


Material bill : 40 Euro

How – To

Stock : 70 mm diameter cylinder, 5 cm high

Procedure : 

  1. Assuming you have adjustable 4 jaw chuck for your lathe, pre-drill a big hole
  2. Run the CNC using the CAD/CAM files
  3. Put it back in the lathe and cut your inner diameter. We recommend a drive shaft of at least 30 mm for the shredder and extrusion