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775 spindle tachometer housing – Modelo 3D imprimible de Thingiverse Thingiverse

775 spindle tachometer housing

por 0rphu
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This is an optical tachometer addon for a 775 motor CNC spindle (ER11), attaches by 2 M4x12 Allen screws . You only need 3mm IR LED and a 3mm photo diode, 2 resistors, arduino and a display. Programs for arduino can be found online, can also provide my own in case of interest.
The er11 chuck is reflective, so I covered most of it by a black tape, so the revolutions get detected.
One possible side benefit - the motor vent holes are not facing bottom, where the most dust is coming from, but the ait intake is rerouted to the sides. Not sure if it does much, though.
Fuente
Thingiverse
Lo que necesitas para imprimir: Intermedio Baja confianza
Pieza única Tornillería requerida
Soportes 1/3
Ensamblaje 0/3
Ajustes 1/3
Tamaño de cama 0/3
Postproceso 1/3
Impresora
FDM / FFF
Formato de archivo
STL
Material
PLA
Postprocesado
Tornillería
Software
Cura, PrusaSlicer o similar
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