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buildbotics / bbctrl-firmware

Buildbotics CNC Controller Firmware
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Dual axis homing switches with dual motors #218

Open leadgtr7 opened 5 years ago

leadgtr7 commented 5 years ago

It would be really awesome to be able to home an axis with dual motors (in my case dual y axis motors). The idea would be 2 limit switches (on separate inputs or through some wiring) and 2 motors (on separate outputs) and the home runs normal for the axis and then homes each motor individually (only operating that motor and not it's counterpart).

wabbastang commented 4 years ago

This is a great idea. I have had one leadscrew bind or slip in the past and (assuming you set the limit switches up parallel) it would make resetting them a breeze.

graybilldustin commented 4 years ago

I just posted the same request before seeing this one, not sure if they can be combined. This is a must for me.

kwince commented 4 years ago

I requested it and or written onto another request. currently I pushed the motors against physical stops before they power up. Not very user-friendly if I were to make a product based on this but it's effective. I think personally this is one of the more important ones to make the unit useful for a larger cross-section of customer types.

On Mon, Jun 8, 2020, 7:26 PM graybilldustin notifications@github.com wrote:

I just posted the same request before seeing this one, not sure if they can be combined. This is a must for me.

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johanneshovda commented 3 years ago

I vote for this as well. I have a dual Y axis gantry style router, and would like to use this to ensure the gantry is always aligned.

leadgtr7 commented 2 years ago

@jcoffland and @DougCoffland any work on this? This is a pretty critical function for most CNC routers due to most of them having dual y gantry motors