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2:33 AM
January 9, 2009
OfflineHi guys! I've been without internet due to a winter storm for more than a week. It's good to be back!
Luckily I only lost power for 1 day following the storm. So I had a lot of time to play around with my newly constructed 3D printer. One of the first parts I made was a Quick Change Tool Post (QCTP) Tool Holder that would attach to the back of my Grizzly G0602 lathe's backsplash. Here you can see 5 tool holder storage brackets clipped in place, with my trusty Diamond Tool Holder hanging on the first bracket.
I have an AXA (#100) piston-style QCTP and I needed a good way to store my tool holders. My tool holders were too tall to fit into all but the biggest drawer on my Kennedy tool chest, and I had other stuff occupying that space. So my tool holders always seemed to sit on the benchtop or on a clean part of my chip tray near my tailstock. Not ideal. I've knocked them off more than once – and they ALWAYS land cutting-edge down.
Then Norman sent me some cast aluminum tool holders that were an excellent yet simple solution to the problem. But they needed to be mounted to the wall to be used effectively. I didn't have a wall nearby to bolt them to (I have metal shelving along every square foot of my shop walls) so I bolted them to a piece of 2x4 and clamped that near my lathe. That worked, but it wasn't an ideal solution either.
So instead I took cues from Normans design and created an ABS plastic version that would clip to my G0602 backsplash. I'm very pleased with the results! Here's a closeup:
The parts aren't perfectly smooth like what you'd expect from an injection molded part. But then again, they don't need to be smooth to perform their function. My 3D printer lays down layers of plastic in very thin (.010 or less) layers with an accuracy/resolution of .003 to .005 – just fine for a part like this. Each part takes a little over an hour to print, so they aren't as quick to manufacture as an injection molded part either. But the setup cost for an injection mold for a part like this would be in the thousands just to have the mold made. I think that's probably the reason nobody has bothered to manufacture a part like this before – they'd have a hard time making their money back on the initial mold investment if they sold the parts for $10 a piece. But having the ability to print a part like this eliminates the financial barriers associated with bringing it to market.
I'm going to list a few of these on eBay at $8 each. If ProjectsInMetal members/visitors would like to buy some I'll sell them for $7 and cut eBay and their fees out of the equation. They are very light and thus inexpensive to ship. About $4 for the set of 5 that I sent to Norman (from Seattle to Texas via First Class Mail). Shipping outside the USA will be a bit more, but I won't overcharge.
If the parts prove popular and a lot of people buy them I may look a little harder into an injection mold. But for now I'm extremely happy with the printed version. They are very strong (you'd have to try hard to break them) and fit my tool holders very well. As for the backsplash, the G0602 has a lip that is folded forward .06, and down .05. If you have a different backsplash with similar dimensions the brackets would probably fit with little to no modification. But if necessary they could be easily filed to fit a slightly larger backsplash lip. They won't, however, fit a backsplash folded the opposite direction. But I could easily re-design the clip if you've got a lathe with different dimensions. Just let me know.
If you'd like to purchase, please use the PayPal button below. If you have trouble using the PayPal button, please send me a private message via the forum. Right now the only color I have is Black, and I have 10 in stock (but I can make more). Thanks!
G0602 QCTP Tool Holder Storage Bracket: $7 USD
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12:41 PM
January 9, 2009
OfflineI can modify both the dovetail size (to fit BXA or larger) as well as the clip size (to fit the dimensions of your backsplash). Were you looking to put this on a different lathe with a different backsplash or on a G0602 with a larger QCTP?
If you're using a BXA I'll have to buy a cheap tool holder for testing, so it will take a few weeks to put a set together for you (I'll have to wait for the tool holder to get here).
I'd do it strictly off of dimensions, but plastic shrinks in funny ways, so there's a fair amount of tweaking involved before you get a nice fit. I guess if I were a plastics engineer I could calculate shrinkage … but I'll stick with the easy way.
I guess if I knew the exact dimensions of the BXA dovetail I could just create a plastic mockup of the dovetail and use that. I'll poke around online and see if I can find a chart that will tell me the sizes of the different dovetails.
If your talking about a lathe with a larger backsplash lip I can do that as well, but my lathe has a +/- .02 variance along it's length. So it's impossible to get a perfect fit all along the backsplash. I guess they weren't too worried about the tolerances when they made that bend. But since it's plastic it's very easy to file it a bit if it's too snug, or add a strip or two of masking tape to the inside of the lip (where you wouldn't see it) to make it tighter if it's too lose. So as long as you're willing to fiddle a bit with the fit of the backsplash, I can modify that dimension as well.
How many clips were you interested in?
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6:52 PM
October 11, 2010
Offline7:41 PM
November 11, 2010
OfflineTyler, Thank you for the holders I received them in the mail today. I must say I'm impressed with them they look and work nice, fit on the splash guard really well. I'd sure like to see these or something being made by your printer.
Here's some photos of them now I have 10 holders and 5 tools so I can buy more tools for the extra holders.
Here's 3 holders doing their thing!

2 of the holders, they snap right on the splash guard

another view

the holder, this is the side that clips into the guard. They can't damage the tool holder being made of plastic and they should not rattle or make any noise on the guard, at least I don't think they will.

Norman
12:58 AM
January 9, 2009
Offline@Alexander – thanks Alex! That should make it easy!
@Norman – I'm glad you're happy with them! Thanks for posting pictures. My backsplash is +/- ten thou. So some spots are more snug than others with the clips. I tried to design the clip so that it fell in the middle of the tolerance. Were there any clips that were too loose or too tight on any spots along the backsplash? If they are too tight you could file them some. If they are too loose you could add a layer of masking tape as a shim (to the part, not the backsplash).
The last thing I want is the clips to fall off in use like pegboard hooks!
Also, I had a couple of additional questions (a customer survey if you will).
- Do they fit ok all along the backsplash? See above.
- Is the finish better/worse than you expected for
a printed part? - Is the part as strong as you expected?
Stronger/weaker? - Are you overall satisfied with the part?
- Would you buy other printed parts if their
quality matched this one?
Thanks!
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5:34 PM
September 11, 2011
Offline10:06 PM
January 9, 2009
OfflineSure Matt, I can send you the sketchup file (sorry, that's what I used to design it). Or I could send you the .stl file in a PM. What 3D printer do you have? I'm happy to give it to members that have 3D printers, but I'd rather PM the files than post them.
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12:00 PM
November 7, 2010
OfflineTyler – Received the tool holder hangers today and I'm impressed by the finish on them. I didn't expect that from a 3-D printer (although I don't have any experience with them). They do fit differently along the length of the backsplash because of its varying thickness along the top. I found that even with the shims you provided, I couldn't get them to fit snugly, so I made some thicker shims using rubberized gasket material attached with double-sided tape. Now they fit better. They do tend to lift off the back-splash when I remove a holder from them, though, so I think I'll try drilling and tapping a hole through the face of the hanger so that a set screw can be installed, coming out of the rear of the hanger right below the back-splash fold-over. That will make the hangers captive so they can't lift off, yet they can still be slid to new positions if desired.
To answer your other questions: I would buy other "printed" parts, they are quite strong enough for this purpose, I'm satisfied with the parts and I'm glad to have them.
Thanks for a great product, priced right and delivered quickly.
6:25 PM
January 9, 2009
OfflineHi Cutter, thanks for following up.
I'm bummed that they don't fit perfectly. I tried hard to find a width that was a happy-medium for my lathe's backsplash dimensions in the hopes that it would be a good fit for everyones G0602. I've sent a few dozen clips out and from the people I've heard back from the fit has ranged from perfect to almost perfect, but fixable with shims. You were the first that had an issue with them lifting up during use that couldn't be fixed with a shim of a few thousandths, which is why I included the adhesive shims.
But I like your idea and I might try to re-design them. If I do I'd be happy to send you replacements if you cant get yours to fit right.
Anyway, I'm glad that you'd be interested in future products. That's what I like to hear! I've got several ideas for future products, I just have to find the time to turn them into a reality.
Thanks again for the feedback!
T
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