Thingiverse
CNC Upgrade
von bitbased
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This is an upgrade for https://www.amazon.com/dp/B01LWBLVYS and other cheap CNC engravers to allow for a larger 52mm motor https://www.amazon.com/gp/product/B00MN7WERA and Z axis linear bearings https://www.amazon.com/gp/product/B00ED150S4
Note: This is not a recommendation for any of the above products, buying anything that inexpensive has it's drawbacks, but that is why we have 3D printing.
The OpenScad file has variables that should be useful for upgrading other similar CNC machines. You will need the OpenSCAD version >= 2016.XX to modify/render the vacuum adapter (I think this version is only available as a development snapshot).
Note: You will need to upgrade the Z axis stepper a bit for the additional tool weight. Also, take note of the reconfiguration of the CNC frame to keep the motor centered in the build area.
Update: Added extra clearance from Z axis frame and **experimental** vacuum ports (vacuum attachment isn't well tested, needs a boot / brushes)
Note: This is not a recommendation for any of the above products, buying anything that inexpensive has it's drawbacks, but that is why we have 3D printing.
The OpenScad file has variables that should be useful for upgrading other similar CNC machines. You will need the OpenSCAD version >= 2016.XX to modify/render the vacuum adapter (I think this version is only available as a development snapshot).
Note: You will need to upgrade the Z axis stepper a bit for the additional tool weight. Also, take note of the reconfiguration of the CNC frame to keep the motor centered in the build area.
Update: Added extra clearance from Z axis frame and **experimental** vacuum ports (vacuum attachment isn't well tested, needs a boot / brushes)
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