TIG Monster Claw - TIG Rod Guide

by entityunknown, published

TIG Monster Claw - TIG Rod Guide by entityunknown Jul 21, 2016


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This is my TIG Monster Claw! It's purpose is to aid in feeding rod for TIG welding. There are 5 total paths for rods to ride on. I think it's perfect for the n00b all the way to the expert but I'm hoping to get feed back on just how well it helps your TIG life. I'm a n00b but we'll see just how quick this might make me an expert :P

While you're at it, check out the TIG Tungsten Grinder for a rotary tool I got:

The main reason I really needed this was because I type 80-120 WPM and do a lot of security development i.e. my wrists are trashed with carpal tunnal. Add lock picking and all the other precision maneuvers I do with my hands with all my craft/mechanic/design/yard work and running a TIG rod just sucks. So this let me lay the rods in a more natural position so I'm not having to strain as much to guide the rod where I need it especially while keeping it consistent and straight. I was gonna design a much more hoaky contraption but then I thought about the claws and they seem to be perfect!

This claw really only works on the middle finger which was a bonus convenience. You can use your ring finger but it's not as functional IMO. So let the hand gestures roll and now you've got a legitimate excuse to flip the bird, cuz you're just TIG'in!

I demonstrate the various angles that can be used in this Youtube video and you can see the various rod angles I used in CAD to cut the paths out in some of the thumbnails.

The rod paths work perfectly for a 1/8 rod with my large finger scaling for prints I recommend below. There are rod guide paths in each cut that accommodate said 1/8, and then a separate rod path logically aligned that accommodates pretty much any smaller rod you could imagine but hey prove me wrong, and edit the .blend file if you'd like ;)

When printing, I set the model to scale up 1.08 which fits perfectly on a large BSX TIG glove that is a little fatter than my fingers need. Scaled at 1.00, it fits my bare fingers perfectly but who wants to TIG bare handed? For the larger meat hooks out there, I recommend a 1.2 or higher scale.

I recommend 3mm walls minimum and 40% infill minimum. I also use ABS and since that's what most TIG torches are made out of (from what I believe is true...?) and it's about the best melting point you'll get, but feel free to test out those fancy metal filaments and if you do, post a pic!
I print this thing slow too, but slower is better and is kinda fast for the sharp corners and small islands.

The model that can be downloaded is a left handed only model, and must be used on the middle finger unless you want cramps but feel free to experiment! To print a right handed claw, just mirror the image usually on the X axis.

My original model was meant as a Halloween costume piece and you can now find the original Monster Claw here:

Special credit go to:
The key piece to this was based on the Jurassic Park raptor claw which was re-imagined into CAD thanks to kvrtiska!
Who knew 65 million years later, the raptor claw would still prove a useful precision killing tool!
This model provided the base for the finger cover which I used to build out a full on glove for other purposes which I'll upload later. Thanks petergross3!

Print Settings

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Place these claws upside down as in the backside of the claw, not the tip, goes to the platform. The tip points straight up, and honestly I set a slight angle upwards so just the backside of the finger plate is sitting on the plate while the rest angles slightly upwards.

The top side is the least functional part and with good support and print speed will come out pretty nice looking. If you want it perfect, then you've hopefully printed 3d a few times and know how to make that happen since it requires some clean up too ;)

You can try printing on the sides but my original models without guide paths (and when I was printing too hot and too fast) came out bad. Slow down and it might turn out fantastic!

I recommend 3mm walls to make this tough and more heat resistant.

I recommend .5mm spacing on your supports to make it sturdy and take out the spaghetti which usually occurs if you print too fast, print too hot, or don't build good support on small detailed parts that require detail all around. 20-30 print speeds with 1.08 up scale to the model before printing gives great results for a TIG Monster Finger going on a Large size glove that's a bit loose on a Large size wearer with thin fingers. Upscale to 1.20 or higher for those larger meat hooks.

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I can say that Professional Tig welder, and have worked with it for 10 years.
I can see that it can work for beginners. But for us, it will not last. Since we are using temprates from 150 to 400ºC (302-752 degrees Fahrenheit) in preheat before we start the TIG pistol. Much of this reason is for and retaining the mechanical use such as strength, etc.
But the idea is good.
But pushing a TIG thread is very easy then: P use index finger, thumb little finger and ring finger;)

It's ABS which is the same material your torch body is possibly made out of, although Delrin is used too. It can handle the heat fairly well but if you're real close it does melt a bit from the filler rod.

I do agree it is mostly for beginners but it really does help if you want to "MIG" with TIG since it helps give you good constant feed. Most of my TIG welds are less than 3 inches so I almost never have a reason to use it.

It does come in handy if you have shaky hands, normally or one offs because it gives extra stability and control. I really like the retraction to it too but again, I almost never use it since it's more effort for my short welds than I need :)

I do have an idea for a re-design that is much less Hollywood and with the same functional ideas in mind and it'd be more practical use but I just have to get unbusy and unlazy. We'll get there :D

Thanks for checking this out though! I didn't bump any threads but it sure looks like someone did after my view count today ;)

this is so epic!! I love it!

I'm glad you like it and I hope you have fun in your Tig'in experience! I gotta say it's been a lovely venture and my only disappointment is I didn't get into it sooner ;) I am considering a new build albeit no raptor claw, but it should be more practical in every day use rather than long stringers. Stay tuned!