Steering rack gaiter
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I am finding it difficult to get the correct steering rack gaiter for my car so i thought about making one in TPU. Its…
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- Printables
- Kategoria
- Automotive
- Licencja
- Creative Commons — Attribution
I am finding it difficult to get the correct steering rack gaiter for my car so i thought about making one in TPU. Its not quite there yet but I have produced a near perfect one using the thick walled file. The thin walled file may work as a single layer/spiral vase print but I am still working on that. I am a noob at Solidworks so it is far from perfect but it looks reasonable. The topmost bellow surface tends to still be porous which is a combination of not being able to hold it still and also possibly being a bit too thin.
I haven't tried it on a car yet but it is very strong and will stretch to about twice the printed length. It could do with a softer flex than 95 shore but then supporting it would be more difficult
Update May 2018
Printing the gaiter as folded re-entrant designs avoids the problems of them getting floppy and i could print one large enough to fit the real application. The straight sided design works well but obviously isn't particularly stretchy. Both print well with standard TPU settings and are watertight. The straight sided design inverts well but the centre section of the bellowed one stays dimpled. And of course they don't need to be black,. The smaller one is printed in NinjaFlex
Print Settings
Printer Brand:
Prusa
Printer:
Prusa Mk2
No
Supports:
No
.20mm
Infill:
No
Notes:
There are two file sets, the thicker file works well with a standard setup, the thinner one is an attempt to make something that could be done as a single shell or spiral vase print.rnrnMade in TPU, this is not an easy thing to make but it is satisfying when it works. .2 layer thickness printed at about half normal speed (30mm/sec) seems good, thicker layers cause porosity in the overhangs. It is also necessary to slow the non print moves and infill to prevent the model wobbling. Getting a smooth layup without fouling the print head is difficult as it tends to flex under the head. I found that i needed to pause the print and use some blocks to stabilise it once i was half way up.
Category: Automotive