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English Tutorials: How to Do Wiring and Use A Tool Length Sensor

Many cnc router machines are equipped with tool length sensor. Because with it, the zero point setting of the Z axis become much more convenient. Some users may not know how to use the tool length sensor after receiving the new machine; some other users may not know how to do wiring when replacing a new tool length sensor. In this post, we are looking at the solutions to both situations. Hope it is helpful for you.
cnc router tool length sensor tutorials

How to do wiring for a tool length sensor

There are two cables totally (white and black), the white cable is connected to the tool setting port on interface board; black cable is connected to GND point on interface board.  

Setting in CNC Controller

After wiring finished. Please measure the thickness of tool sensor with a caliper and input the value into the controller tool setting parameter.

Tool Setting Operation (Zero-point Setting of Z axis)

After wiring and cnc controller setting finished, it's going to start with the tool setting action. Please clip the alligator clip to the spindle and make sure the spindle is connected to the GND point on interface board. Then execute the tool setting command in the cnc controller, at this point, you will find that the tool(Z-axis) goes down very slowly, and when the tool touches the tool length sensor, the tool setting process is complete.

Important Note

After finished wiring first time, it is better for us to test the tool length sensor works or not. Please do this way: power on cnc router, do not start spindle motor, do not clamp alligator clip to spindle, please touch the tool sensor with alligator clip by hand and to see if the Z axis has a tool setting action. If yes, then means tool length sensor works. And then perform automatic tool setting.

For purchase the tool length sensor, please click here

                                             Origin Post from Jinan EagleTec CNC Machinery Co.,Ltd.

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