Upgraded Z coupler on my OX from lovejoy/spider to diaphragm

mcdanlj
Sun, 24 Jan 2021 21:47:25 +0000
CNC Routers

I recently realized that if I push up on my spindle, it can move up by pushing the motor coupler apart. The lovejoy / spider coupling wasn’t meant to hold together when the rods in either end are pulled apart. This is good, in a since, in that there is a limit into how hard the Z motor can push the bit into the material, but it also means that I might have a variable depth of cut that doesn’t quite make it to the depth I expect, especially with a downcut bit.

I just replaced the coupling with a diaphragm coupling in order to have more precise control over depth of cut:

amazon.com

uxcell 6mmx11mm Clamp Tight Motor Shaft 2 Diaphragm Coupling Coupler:...

uxcell 6mmx11mm Clamp Tight Motor Shaft 2 Diaphragm Coupling Coupler: Amazon.com: Industrial & Scientific

$15.49

I’ll see how this works.

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