The Cnc Home Position
The cnc home position is post about Cnc Woodworking bookmarked by chad with ID 184689982 was uploaded on 01-02-2019 and has been viewed 356,326 times.
The home position is the default origin point on a CNC, set when the machine is started up.On my custom CNC, the corner at the bottom of the photo is my machine's home position.I need to cover a few CNC basics so, bear with me.
There's a big payoff coming.Most current CNCs have a startup routine where the machine goes to the extents of each axis, does a little dance and ends up in what's usually referred to as the 'home' position.
It's at an extreme position on the table.Usually, but not always, the CNC sets both the X and Y axis to 0.All numbers grow from here in the positive direction.Near the physical limits of each axis, the machine trips what is referred to as a 'limit switch'.
This is a mechanical, optical, or magnetic switch or an electronic sensor.Once the limit is hit, a simple circuit is completed, the machine stops or briefly changes direction and resets the numbers on the Digital Read Out or DRO on the screen or controller to '0/0'.
This is the home position — the default 'origin point' for a CNC.The home position is the default origin point on...