First Cuts... Go Big or Go Home

Share your Shapeoko created projects!
tas246
Posts: 5
Joined: Tue Nov 05, 2013 8:56 pm

First Cuts... Go Big or Go Home

Post by tas246 » Sun Mar 09, 2014 3:12 am

Bought my Shapeoko2 kit, built the kit and printed the standard hello world project, then set off to upgrading. Ended up with this:
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NEMA 23 (way overpowered @370 oz-in), ~1500mm x 1500mm, resulting in a cutting area just over 4' x 4'. Gecko 540 driver w/ smoothstepper, 12.5A 48V power supply. Did a few small circle cuts in MDF to calibrate distances and whatnot. Edit: just noticed that this pic was before i put in my Z axis 23 upgrade... There's a big motor up top now!

First "real" project, a cut of a logo for a local warfare center's dive operations. A solid works file was provided, i created tool 4 paths off this file - a rough cut, a finishing cut, a detail cut, and a full cutout.

Rough cut with a 1/4" end mill:
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Finished rough cut:
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Last edited by tas246 on Sun Mar 09, 2014 3:45 am, edited 2 times in total.

tas246
Posts: 5
Joined: Tue Nov 05, 2013 8:56 pm

Re: First Cuts... Go Big or Go Home....

Post by tas246 » Sun Mar 09, 2014 3:17 am

Then I loaded up my 1/8" ball nose end mill and did the finishing cut in a raster pattern (notice the severe lack of dust collection-- was waiting on my 1.25" hose to come in):
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Finished cut:
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After the finishing cut, i used a 30 degree 1/8" v-bit to carve some of the diver detail work. Put the 1/4" end mill back in and did a circle profile cut to get the finished piece out:
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Total cut time was ~27 hours. Only hiccup was when my X axis threw the belt due to my set screw on the GT2 pulley not being fully tightened. I was asleep at the time, but within hearing distance. Managed to roll off the couch, run to the garage and get to the e-stop before too much damage was done. Damage is visible in the last photo, along the right side - a single 1/8" cut through the pattern on the right. I plan on using some wood putty to fix.

Next up will be stain and some polyurethane. Figured some folks here may be interested in some pics of my first project!

twforeman
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Location: Minneapolis, MN
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Re: First Cuts... Go Big or Go Home

Post by twforeman » Sun Mar 09, 2014 3:58 am

Wow, go big indeed.

That's some pretty nice work.
Ender 3 3D Printer
ShapeOko v3 serial #0004 - upgrade thread
All of my ShapeOko related blog posts

tas246
Posts: 5
Joined: Tue Nov 05, 2013 8:56 pm

Re: First Cuts... Go Big or Go Home

Post by tas246 » Sun Mar 09, 2014 4:18 am

twforeman wrote:Wow, go big indeed.
I didn't realize quite how big this job was until i started mapping out the tool paths... The finishing pass alone was close to 17 hours. To get it smooth my 1/8" ball nose was only stepping over .0125 (10%). I likely could have been more aggressive, but since it was running overnight i did not want to risk anything!

Gadgetman!
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Re: First Cuts... Go Big or Go Home

Post by Gadgetman! » Sun Mar 09, 2014 9:17 am

That's pretty awesome.

A big shame about the belt slip-up, though.

What kind of SW are you using?
Weird guy...
Shapeoko 2014F: 1000mm X/Y, 300W Quiet Cut spindle, Arduino Uno/G-shield and GRBL 0.9i
15x30 drag chains, custom spindle mount, 9mm belts, 8mm endplates, 6mm motor plates.

ztil
Posts: 23
Joined: Sat Jan 25, 2014 2:28 am

Re: First Cuts... Go Big or Go Home

Post by ztil » Sun Mar 09, 2014 1:18 pm

Thanks for sharing; looks great!

What is your workflow software wise?

It would be great if you could post some details about your upgrade. I imagine it is longer maker slides & motor mounts?

lordmundi
Posts: 207
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Location: Friendswood, TX
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Re: First Cuts... Go Big or Go Home

Post by lordmundi » Sun Mar 09, 2014 2:46 pm

this is incredible.

I've noticed with my S2 that I can't run for more than an hour or so before my Arduino disconnects. You doing anything special to be able to mitigate this? Or, anything special to allow you to restart a cut from where you left off?

criznach
Posts: 220
Joined: Sat Dec 14, 2013 5:28 pm
Location: Great Falls, Montana, USA

Re: First Cuts... Go Big or Go Home

Post by criznach » Sun Mar 09, 2014 4:20 pm

lordmundi wrote:this is incredible.

I've noticed with my S2 that I can't run for more than an hour or so before my Arduino disconnects. You doing anything special to be able to mitigate this? Or, anything special to allow you to restart a cut from where you left off?
Bluetooth seems to have solved that problem for me. Before that, having limit switches and setting up every job relative to the home cycle helped immensely.

tas246
Posts: 5
Joined: Tue Nov 05, 2013 8:56 pm

Re: First Cuts... Go Big or Go Home

Post by tas246 » Mon Mar 10, 2014 4:11 am

Some more details about the upgrade:

I knew i wanted ~4' by 4' cut area, i built a wooden table on caster wheels to support the machine. Table:
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To attain the 4'x4' forced me to use the 1800mm maker slides and cut them down to proper size. I bought (6x)1500mm 20x20mm and (1x)1500mm 20x40 extrusions to create a base for the machine (not the best shot, but you can see the extrusions in the background):
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You can barely see it in the pic above, but the center extrusion is a 20x40mm, that is so i can adequately support my 1/2" MDF spoil board which consists of 2 pieces of 27" wide

A pic from the "work" side of the machine with the spoiboard in place:
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I placed 2 shapeoko midspan supports ( http://shop.shapeoko.com/collections/sh ... an-support ) on the Y axis runs mounted to the outside of the 20x20 extrusions. Add in some longer belts and the machine is larger!

From an electronics standpoint i swapped out the motors with way oversized/overpowered NEMA 23'S, swapped out the arduino controller with a Gecko 540 and 48v power supply, and and ethernet smoothstepper Links to each product:

Motors: http://www.cncrouterparts.com/380-oz-in ... p-151.html

Control Box (includes G540 and 48V power supply): http://www.automationtechnologiesinc.co ... controller

Smooth Stepper: http://www.cncrouterparts.com/ethernet- ... p-229.html

It's definitely been a (expensive) journey... But hopefully this work will produce some nice results in the future.

danimal
Posts: 332
Joined: Wed Mar 13, 2013 5:53 pm
Location: Colorado

Re: First Cuts... Go Big or Go Home

Post by danimal » Mon Mar 10, 2014 11:07 am

I had one of my y axis pulleys come loose in the middle of a job. I had about 5 passes with round circles, then one last pass with oblong ovals that tore the hell out of everything. It took a little while to see what was going on because the machine seemed to move correctly.

That is an awesome project, and it turned out really well.
Shapeoko # 1458

RT0701C Spindle || dual y motor || x axis nema23 with custom carriage 1000mm length || z axis nema23 linear rail upgrade with 1/2-10 ACME

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