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If there is no Zenbot owner in Northern Colorado who you can visit, there are some videos of them in operation at youtube which might help. Here are a few links.

1) 16x24 used in manufacturing of...

Hi Julian and all --



Any recent updates or projects to share with us?

--Rich

Great! Glad you got it resolved.

--Rich

Hi --



Are you using the Zenbot provided XML profile file for the 48" machine? The screen shot shows mach3mill which may have been inadvertently loaded when you started Mach3 or perhaps you...

Hi Koji --

If you can swing it, go for the Gecko G540 -- see: http://www.geckodrive.com/geckodrive-step-motor-drives/g540.html. At about $260.00

The reason is that the G540 is the current...

Hi Kogi --

Given your budget of under $100, have you looked at: SainSmart CNC TB6560 4 Axis 3.5A Stepper Motor Driver Board Controller Engraving Machine 3D Printing, Arduino, Robotics | Sainsmart ...

Hi Wes --

I am assuming that you have X & Z Axes working in both directions. I am also assuming that you have operated the Y-Axis, by hand, with power off and it is not binding or obstructed.
...

You may be way ahead of me on this, ...but have you done the the Mach3 set-up configuration and motor tuning described in the manual in Chapter two? If not that may explain why the motors are not...

Hi bravo38 --

Welcome to the forum.



You didn't mention where you are in the process of getting your new Zenbot 4848 set-up and operational, but I hope you will share your progress,...

I know this is a kind of old thread, but I have been experimenting with the iSense Scanner from Cubify and might be able to offer some information. This
is the same as the Structure sensor 3D...

Hi ZacZ --



It sounds like you have a PCI-express port. If correct, you could use a card like this: StarTech.com 1 Port PCI Express Dual Profile Parallel Adapter Card - SPP/EPP/ECP, Parallel...

Hi ZacZ --



Why are you feeding the g540 thru a "smoothstepper+bob"? The reason for the question is that you could try to drive the g540 box directly through a parallel port if one is...

Hi Lee --




I don't normally cut 3/4" plywood, but I would expect that I would use a pass depth of no deeper than 1-ply. That means something like 8 to 10 passes. The more passes required...

Hi Grubscrew --



I've seen this 'problem' when motor tuning has not been done during Mach-3 set-up/configuration. Since you didn't mention 'tuning', I offer this as another item for your check...

Hi Lee --



If you haven't already done so, you should download the trial version of Vcarve Pro from: Products - VCarve Pro

You will be able to load your DWG files and step through the...

You don't need a smooth stepper. This assumes that you can connect your computer to the G540 via a parallel interface. The Gecko G540 connects to your computer via the parallel port and includes...

The single speed equivalent of the Dewalt 611 is the Porter Cable 450 which may be a better choice. 16,000rpm is too fast for cutting plastics so you will need an external speed controller. ...

The PR10E has "Softstart - Reduces start-up torque" which probably needs to be disabled. You can download the SuperPID info and see directions for disabeling the soft-start feature. I purchased the...

If you get a Zenbot, I'd order it with the G540 control box & Mach3. For a spindle, you should look at a DeWalt 611 1.25HP router (wt 4.1lbs) which has variable speeds of 16,000-27,000rpm. ...

For the material you want to make parts out of the Zenbot 16x24 or 24x24 should be up to the task and be one of the few complete systems to come in at your price point. Specifically what are your...

Try again. It seems to be working properly now.

--Rich

Hi Julian --



Yes, I am sure you will quickly discover shortcuts & operating protocols to suit the type of jobs you frequently do. While you are waiting for your machine, you might want to...

Hi Julian --

Sorry for the delay getting back to you on this.



A spoil board is definitely a good idea for flatness as well as to protect the plywood bed.

Hi Julian --



The Zenbot uses 285 ounce/in Nema-23 motors. If tool pressure is high enough, steps can be skipped/missed. NOTE: This is true for all similar machines that do not use "closed...

Hi Julian --



I believe the profile path accuracy Axismatt was discussing was caused by; 1) too fast a feed rate and 2) too much tool pressure. He went on to say (see post #88) that "the...

Hi Andrew --

Gas struts are a better solution if you can get one in the force range you need. On small machines that only require 7lbs or less, I haven't found a suitable source. They may also...

Yes, I've even heard reports of electrical intermittents (like broken wires or flaky connectors on stepper motor wires) causing similar problems. This assumes that the Mach-3 "motor tuning" routine...

Hi Earl --

Glad you got it going again.

My own Zenbot is a 12 x 16 and I found the Z-axis mount was neutrally balanced without a router in place. I also use a Bosch Colt which weighs about...

Hi Earl --

I am not sure we have enough information to fully diagnose the problem. No matter, it sounds like your machine is loosing steps. If the Z-axis is binding and/or slipping when moving...

Thanks Gerry! That's good info.

I see that PreciseBits has a whole series of precision grade, extreme precision, and ultra precision collets compatible with the 450 in 1/8", 1/4" and other...