What is the homing sequence for the backgauge?

Titan 25T CNC Press Brake
1

Does the backgauge home against the limit switches? Or move to some other position?
(My R axis has issues - query in to tech support - wondering if a backgauge home will be safe in the mean time…)
The limit switches all work.

2

Homes to the rear. It will park in the back up against the switches until you set up its use.

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3

Yes. And after we got all the couplings tight, so it didn’t rack and jam and chatter, it homes just fine fine now.

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4

The homing process involves:

  1. Both motors in the X axis activate to push the gantry away from the user until one side hits a limit switch.
  2. That limit switch’s motor stops while the other side keeps running until the limit switch is hit.
  3. Once both limit switches are hit, the machine should be back in alignment. It pulls back to disengage the limit switches.
  4. It moves forwards once again to trigger both limit switches. This time it only stops once both limit switches have been triggered.
  5. It finally pulls back and ends the homing process for that axis.

If your machine is ramming, then there are a few possibilities.

  1. The motor wires are swapped then the limit switch will stop the wrong motor in step 1. Swapping the motor wires fixes this. This is the most common failure mode.
  2. If the limit switch triggers are not extended, then the bearings will ram into the motor mounts instead of triggering either limit switch during step 1. Extending the limit switch triggers fixes this.
  3. You have your R axis and X axis motors mixed up entirely. The R axis should be moving the backgauge up and down. The X axis moves the unit towards you and away from you.
  4. The Limit switch cables are mixed up and need to be swapped back. You can test this by triggering a limit switch and watching which icon lights up in the limit switch status report bar.
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