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Discussion Starter · #1 ·
Hi Folks,I am on my second CNC...went from a 4X8 to a 2X3 which is large enough for a retired old guy. This machine has been good for me making signs and such for friends but it recently died. Long story short...ended up replacing the hand held controller and card. Laguna gave me a software undate file but it calls for HOMING the machine first. That is where the problem begins. When I home the machine both the X and Y axis head in the right direction but blow past the limit sensor and after striking the frame (which is the only saving grace to keep it from exiting the table ) the axis motors continue to drive it further. Oblviously with no way to move the machine starts to scream at which point I shut it down. Has anybody had this happen to them?
 

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Ross
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Welcome to the forum.
 

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Discussion Starter · #4 ·
Welcome to the forum! Are you able to run it slowly, or slower, to attempt homing? Are they physical limit switches or sensors?

David
There is a HOME buttom to push..machine runs pretty slow. It seems like the axis is thinking that it is inches away from zero when it hits the sensor and keeps going to get to zero. Going to look today to see if I can somehow set zero is at the point where the sensor lights up. I am a novice but common sense tells me that if the axis knows that zero is when the sensor led lights up that is zero and time to stop. IT seems like the axis
 

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I have the Laguna IQ as well, and I had the same problem when I first got the machine. If you slow down the homing speed it should fix the problem. I think the issue is that it's not looking far enough ahead and it can't stop in time.
 

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Discussion Starter · #9 ·
I have the Laguna IQ as well, and I had the same problem when I first got the machine. If you slow down the homing speed it should fix the problem. I think the issue is that it's not looking far enough ahead and it can't stop in time.
I am thinking my problem is with the interface card. Laguna had me check the sensors and they were all responding as they should but when I homed them individually only the Y axis responded to the sensor . The X and Z axis did not respond to the sensors which according to Laguna is unusual. Thanks for sharing your experience. Randy
 
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