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Anyone use NinjaTek Edge?  

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Crab
 Crab
(@crab)
Reputable Member
Anyone use NinjaTek Edge?

Wondering if anyone has used NinjaTek Edge.. It is supposed to be easy to print. I'm looking at it for printing RC tires and wondering if it is 'grippier' than NinjaFlex or the FiberFlex 40D.

Veröffentlicht : 19/11/2022 12:50 am
Diem
 Diem
(@diem)
Illustrious Member

It's unlikely that anything printable - which requires some stiffness - will ever make a 'grippy' tire which requires minimum stiffness.

What you can try is printing the basic tire shape in flex and then paint it with latex, two or three layers/coats might make a useful difference.

Cheerio,

Veröffentlicht : 19/11/2022 1:08 am
zoomhotpot
(@zoomhotpot)
New Member
RE: Anyone use NinjaTek Edge?

I am using NinjaTek Edge. it is very easy to use. As far as I can see it's more pursuing than NinjaFlex. Eggy Car

<a href="https://eggycar.co/" rel="dofollow">eggy car</a>

Veröffentlicht : 21/11/2022 3:29 am
RedDawg
(@reddawg)
Reputable Member
RE:

For really "squishy" stuff you might be better off with a pourable elastomer. I have had good results with products from Smooth-On, Inc. Their products are intended to create flexible molds for plaster (and similar materials) casting, but what I have been doing is designing and 3D printing the (negative) molds themselves (PLA is almost always suitable), then using/pouring the Smooth-On products into the molds to create as low as Shore A-30 solid positives. The material is a little tricky to work with because you really need a vacuum chamber to remove air bubbles entrained into the two-part mixture (three if you add color) during the mixing process. Pot life after mixing/degassing is usually no more than 30 minutes and cure time can be over 24 hours for thicker specimens. A good mold release agent is highly recommended. (Ask me how I know!)

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Veröffentlicht : 21/11/2022 4:03 am
Crab
 Crab
(@crab)
Reputable Member
Themenstarter answered:
RE: Anyone use NinjaTek Edge?

Locally I can get a clear spray “Flex seal” that claims it is liquid rubber.. Might try that and see what happens. 

Posted by: @diem

It's unlikely that anything printable - which requires some stiffness - will ever make a 'grippy' tire which requires minimum stiffness.

What you can try is printing the basic tire shape in flex and then paint it with latex, two or three layers/coats might make a useful difference.

Cheerio,

 

Veröffentlicht : 21/11/2022 2:33 pm
RedDawg
(@reddawg)
Reputable Member
RE:

I tried the Flex-Seal product(s) also. The spray-on product may be OK in thin cross-section, but the pourable, paint consistency product is problematic in thicker applications. The Smooth-On products are basically two-part epoxies and will cure anaerobically. Flex-Seal requires component evaporation to the air in order to cure. Once the outside "skin" cures, it denies air to the deeper portions of the model which may take days/weeks/months/never to solidify, depending on the absolute thickness. Again, ask me how I know!.

Hear ye, Hear ye! Step right up folks and get your Government salvation here! Less than $.002 per word! Amazon.com/dp/B0B8XMMFP4

Veröffentlicht : 21/11/2022 2:49 pm
Crab
 Crab
(@crab)
Reputable Member
Themenstarter answered:
RE:

Thanks for sharing your experience! Yes.. So based on what you said, I’d spray sparingly and let dry completely and maybe do 2-3 coats over a few days. See if the covering holds up for tires.  Not sure if Smooth-On is easy to get here, but I’ll look.. Sounds like getting rid of the bubbles might be tricky.

Posted by: @reddawg

I tried the Flex-Seal product(s) also. The spray-on product may be OK in thin cross-section, but the pourable, paint consistency product is problematic in thicker applications. The Smooth-On products are basically two-part epoxies and will cure anaerobically. Flex-Seal requires component evaporation to the air in order to cure. Once the outside "skin" cures, it denies air to the deeper portions of the model which may take days/weeks/months/never to solidify, depending on the absolute thickness. Again, ask me how I know!.

 

Veröffentlicht : 21/11/2022 2:56 pm
RedDawg
(@reddawg)
Reputable Member
RE: Anyone use NinjaTek Edge?

Yes, several thin coats would be the best approach. Air bubbles in Smooth-On is indeed the trickiest factor in using it. Judicious placement of pour channels and sprue holes (i.e., general knowledge of mold design) is a necessity for successful results.

Hear ye, Hear ye! Step right up folks and get your Government salvation here! Less than $.002 per word! Amazon.com/dp/B0B8XMMFP4

Veröffentlicht : 21/11/2022 5:25 pm
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