I adapted China air cooled spindle with GND to be save when Spindle get’s an electrical damage. (Did for 800W and 1.5kW spindle from different sellers) –> Spindel outer diameter 65mm Print orange part with 3d Printer –> File as GCode attached to this post. –> ABS Fillament used 10,35m 1.75mm –> It tooks me about 4.5 hours to print on my 3d printer Should work for all air cooled China Spindle
High Resolution of Rendered Picture
Needed Parts: 1 x Lumberg LUM 0318-04 1 x Lumberg LUM 0322-04 3m x Ölflex 110 CY 4G 0.75mm^2 3 x M3 x 45mm 4 x M3 x 10mm 1 x M3 x 8mm 4 x Mutter M3 1 x Kabelschuh M3 –> Connection Ground (GND) I used only three M3 x45 screws because the 4th thread is used to connect grounding to the spindel. Remove the distance holder to get space for the screw to connect GND to spindle
Plug connection:
PIN 1 –> Cable 3 PIN 2 –> Cable 2 PIN 3 –> Cable 1 PIN 4 –> GND If spindle turns in wrong direction after connecting to inverter, exchange cable (ex. PIN1 and PIN2) –> Now it should turn in correct direction.
Frässpindel_Deckel_Stromanschluss_Lumberg