Fat Cat Fab Lab

CNC Router: Difference between revisions

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CNC Router (view source)

Revision as of 05:31, 1 March 2023

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(moved to 'z limit error' text to 'surfacing the spoilboard')
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=== Greasing Parts ===
 
=== Replacing the SpoilboardSpoil Board ===
 
Threaded holes are 4" apart.
 
=== SurfacingCalibrating theTool SpoilboardMeasure Plate ===
Only after resurfacing the spoil board, the tool measure plate position on the lower right of the machine needs to be recalibrated with the 'Calibrate Switch' button--this is a '''required and critical step'''. This button should '''not''' be used at any other time. This distance is the difference between the top of the tool measure plate and the top of the spoil board. The machine needs to know this height difference so tool measure operations are correct.
''Only use this method if you are experiencing all the known issues below.''▼
 
Follow these instructions exactly:
'''Known Issues'''▼
* The Touch Top and Measure Tool feature works without errors▼
* Before loading any G-Code, the Z Soft Limit is exceeded without the tool being close to the Spoilboard ▼
'''Resolution'''
* Attach a tool to the spindle
:* Any tool will work, but using the standard 1/4” flat end is ideal
Line 273 ⟶ 270:
* [https://youtu.be/zhRtr7aMlVw Jog the bottom of the bit down to the spoil board]
:* Jog the bit bout 1 inch over the spoil board
:* Switch the speed to move by 0.1" steps (not using fast, medium, or slow)
:* Jog the bit to about 1/4 inch from the spoil board, then switch the speed to move by 0.01" steps
:* Use printer paper under the bit and move it back and forth
::* Lowering the Z until the bit just barely snags the paper. There should be room enough for the paper to drag under the bit.
:* Jog the Z axis updown by0.004" in 0.01001" steps toso leavethe ittool touches the bed (0.004" is one paper width). ofNow the papertool awayshould frombe effectively exactly on the bed.
* [https://youtu.be/r9-QHmy459o Click the calibrate'Calibrate Switch' button]
:* The command log will first asks you to jog the bit to the bed, which is already completed
:* This step will start the process to reset the Z bottom soft limit at the current position of the bottom of the bit
* Press 'enter' then the command log will say it will now use the Measure Tool feature and to ensure it can move freely
:* This step will take into account the length of whichever tool used
* Press enter and the machine will move up to the worldmachine Z0 (the Z top hard limit), then move to the builttool inmeasure touch plate to measure the tool
:* The machine, in theory, knows the location of themachine collarZ0 and the Measure Tool operation allows the machine to figure out where the Z bottom soft limit is, relative to the worldmachine Z0
* After the Measure Tool operation is completed, the Z bottom soft limit has been set
* Test if the calibration has worked
:* Click the Park button to move the spindle to the worldmachine XYZX0 0Y0 Z0
::* This should be off the edge of the spoil board
:* Jog the bit downwards towards the bed
::* This should trip the Z bottom soft limit when the bottom of bit is just abovebelow the spoil board (0.01" below the spoil board)
 
=== Compressor/Air Tank Draining ===
Line 314 ⟶ 311:
 
=== Z limit Error ===
The 'Calibrate Switch' button was probably clicked on accident. See section Surfacing'Calibrating Tool theMeasure SpoilboardPlate' for help.
 
▲''Only use this method if you are experiencing all the known issues below.''
 
▲'''Known Issues'''
▲* The Touch Top and Measure Tool feature works without errors
▲* Before loading any G-Code, the Z Soft Limit is exceeded without the tool being close to the Spoilboardspoil board
 
== Pinned Items from Slack #cnc and Other References ==
Retrieved from "https://wiki.fatcatfablab.org/wiki/Special:MobileDiff/1519"