[Resolved] Anybody with a 3D printer at home? Need 2 small parts printed

3D Fabrication
#1

Hi All,

I’m replacing the camshaft and crankshaft seals in my old car ('97 Chrysler Sebring JXi 2.5L) and the process requires special tools that no longer exist. The ‘tools’ are 2 simple cylinders that slide over the shafts and allow pressure to be applied evenly to the seals to set them in place in the block at a specific inset distance from the face of the races.

Not a complicated model at all, as they’re just cylinders with holes in them. I just don’t currently have any way to print them.

The approximate sizes are:

Diameter for both cylinders: 2.25" or 57.15mm
Center hole in both cylinders: 1.4375" or 36.5mm

Rear seal tool cylinder length: 2" or 50mm
Front seal tool cylinder length: 3" or 76mm

I used a 25% infill setting and standard wall thicknesses. Color is irrelevant.

I printed the tools using ABS in 3D Fab just before DMS shut down due to the COVID-19 situation, but when I got the cam gears off the car I discovered I’d made the shaft holes slightly too small to fit over the shafts and I need to correct the .stl model and re-print.

Is there a fellow Maker out there with a 3D printer at home that I could pay to print my tools? I could pay you via PayPal and you could set them outside your door and I could come get them so we can maintain the whole social distancing thing. I will provide the .stl files and/or .gcode files. Doesn’t have to be ABS, but something with a similar strength would be perfect.

Thought I’d try my fellow Makers before seeking a print service here in the DFW area.

Any assistance would be greatly appreciated.

Thanks!

DigitalDoyle

#2

Could you just sand the hole slightly larger using a dowel and some sandpaper on the inside of the tool?

#3

I can print the resized parts for you, but I live east of Allen in Lucas (15 mins east of 75 & Bethany). I’ll send you a PM with my email/phone to discuss if you decide the drive is worth it.

MikeC

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#4

I may have to try something like that, but I was stupid and made the hole about .0625" or 1.5875 mm too small.

I appreciate the suggestion, though! Thanks!

#5

Perfect. Know exactly where Lucas is. I built a whole bunch of houses in Lucas when I was a kid.

Thank you for the offer, Mike. Very gratefully appreciated!

#6

Please do send that PM, if you would.

#7

already done

#8

Parts have been printed, delivered, and appear to be viable for executing the auto repair.

image
FA18F9D0-A685-4A93-89B4-637518DB723E.jpeg3024×4032 2.42 MB

5 Likes
#9

Thank you for printing these tools for me. Very gratefully appreciated!

2 Likes
#10

might be a small market for this on ebay.

#11

Perhaps making a mold of the parts and casting them in resin would be quicker than printing on demand. Three parts @0.2mm layer height, 5 shells, and a beefy 60% fill takes 15+ hours to print one set. Casting would take 1/2 an hour from one mold.

1 Like