Off Topic Hobbies > 3D printing

Direct Drive?

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xrunner:
I don't know when the Zesty Nimble V3 is going to be shipping and they aren't selling the previous versions. All you can do is pre-order it. I sent them some questions about it using their contact form on the website. I got no response in over a week.

Not direct drive, but I'm going to try this out and see how it goes. A clear-case BMG clone dual-gear extruder. Has a 30:1 gear reduction. I'll do some before and after prints.

 :popcorn:

Monkeh:

--- Quote from: xrunner on July 04, 2021, 10:39:29 pm ---Has a 30:1 gear reduction.

--- End quote ---

I'm not sure you have the step rate for that before complicating it with a bowden. ;)

xrunner:

--- Quote from: Monkeh on July 04, 2021, 10:44:33 pm ---
--- Quote from: xrunner on July 04, 2021, 10:39:29 pm ---Has a 30:1 gear reduction.

--- End quote ---

I'm not sure you have the step rate for that before complicating it with a bowden. ;)

--- End quote ---

Not sure I understand Monkeh. It's just a matter of increasing the E steps from something like 95 to around 415 (as people have been using) for the stepper. The speed into the bowden tube is no different than before, this just grips tighter and has more torque than the original Ender extruder. That's how it's used - there are plenty of demos of this type of extruder to look at. Can you clarify what you mean for me?

Monkeh:

--- Quote from: xrunner on July 04, 2021, 11:01:02 pm ---
--- Quote from: Monkeh on July 04, 2021, 10:44:33 pm ---
--- Quote from: xrunner on July 04, 2021, 10:39:29 pm ---Has a 30:1 gear reduction.

--- End quote ---

I'm not sure you have the step rate for that before complicating it with a bowden. ;)

--- End quote ---

Not sure I understand Monkeh. It's just a matter of increasing the E steps from something like 95 to around 415 (as people have been using) for the stepper. The speed into the bowden tube is no different than before, this just grips tighter and has more torque than the original Ender extruder. That's how it's used - there are plenty of demos of this type of extruder to look at. Can you clarify what you mean for me?

--- End quote ---

Just a slight magnitude error - it's a 3:1 reduction, not 30:1. That'd be, uh, a lot of steps. Also a really big gear.

xrunner:

--- Quote from: Monkeh on July 05, 2021, 02:25:33 am ---
Just a slight magnitude error - it's a 3:1 reduction, not 30:1. That'd be, uh, a lot of steps. Also a really big gear.

--- End quote ---

Oh yea I made a mistake there. I thought I made a mistake once before in my life but it turned out that was an error.  :-DD

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