Z-Probe bracket for NopHead Mendel90
by DanielBull, published
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Bracket to hold a typical inductive sensor so a metal bed's Z height can be probed.
Please also see my new more accurate Z-probe modification here:
Simply print out the bracket, fit the sensor into the bracket then mount in place of belt clamp, followed by some final adjustments. No modifications to the printer or other hardware is necessary.
Printing out the bracket
The bracket is designed to be the correct size, if you print in PLA it will be perfect, but if you print in ABS you will need to increase the size slightly to allow for shrinkage. It is designed so that the bracket can be printed without supports.
Fitting the sensor
Place one of the nuts from your sensor inside the bracket by inserting in the top and rotating it until its horizontal with the help of a screwdriver or other tool (see photos). You can then screw the sensor inside the nut in the bracket (being sure not to cross-thread it) up until it reaches a depth where the bracket can be easily fitted without the sensor hitting the bed when the carriage is fully lowered (we will adjust properly later). Once you have it the correct height fit the spring washer and remaining nut on the bottom and loosely tighten.
Fitting the bracket to your X carriage
Loosen the belt tensioner and remove the existing belt clamp. Using the same bolt that held down your original belt clamp fit this bracket over the belt in the same way you would have with the original belt clamp then tighten up. There is an additional hole to secure it further back but I have found this is not necessary. Once its all in place re-tighten up your belt using the adjuster.
Move your print head down until the nozzle is touching the bed then adjust the sensors height by screwing it up and down until it is roughly just over 1mm from the bed. Once its in the right place tighten up the lock nut on the bottom to secure it.
For further information please check out Thomas Sanladerers excellent video here:
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Z-Probe bracket for NopHead Mendel90 by DanielBull is licensed under the GNU - GPL license.
What does this mean?
- Remixing or Changing this Thing is allowed.
- Commercial use is allowed.
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