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MiniCNCBasics: Difference between revisions
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→Step 4 – Determining the Bit height
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== Step 4 – Determining the Bit height == | == Step 4 – Determining the Bit height == | ||
The tool probe height sensor | The tool probe height sensor allow you to accurately control the height of your bit. | ||
To set the bit height, follow these steps: | To set the bit height, follow these steps: | ||
9. Insert that bit of your choice in the chuck. | 9. Insert that bit of your choice in the chuck. | ||
10. Attach the alligator lead to the bit. | 10. Attach the alligator lead to the bit. | ||
11. Place the sensor puck under the bit. | 11. Place the sensor puck under the bit. | ||
12. Click on the “Auto Tool Zero” button. NOTE: Get ready to hit the E-Stop if things go badly. This can damage bits and such. | |||
12. Click on the “Auto Tool Zero” button. | |||
from the popup, select the height of the sensor. If using the puck then select the top value of 25.5. If using a thin strip of metal such as a utility knife blade, use the second entry (2.00??). Note that these numbers can be configured and may be tweaked by users who have tuned it for perfection. More on this to be documented later. | |||
NOTE: Get ready to hit the E-Stop if things go badly. This can damage bits and such. | |||
The Z axis will slowly drop down until it makes contact with the puck, and then retract a short distance. Note that the distance that it retracts can be adjusted, but the default is 1.27mm. | The Z axis will slowly drop down until it makes contact with the puck, and then retract a short distance. Note that the distance that it retracts can be adjusted, but the default is 1.27mm. | ||
Note as well: This sensor can also be used for edge sensing. This will be investigated in future. | The Z axis should now have automatically been set to your work surface. All G-Code references should now use this height as the its reference. Positive values will raise the bit above the material and negative value will cut material. | ||
Note as well: This sensor can also be used for edge sensing. This will be investigated in future. | |||
== Step 5 – Loading and editing your G-Code == | == Step 5 – Loading and editing your G-Code == | ||