Bugatti straight 8 cylinder with blower, design, 3D printed molds, castings , machining, assembly

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Piston wrist pin
to make piston shafts I use inductively hardened shafts that are available from diameter 3mm (less than 1/8 inch) in inches from 1/4) the advantage is that the core is still soft, the outside is hardened and ground to h6 tol , is round, straight and cylindrical. to protect the cilinder wall i used teflon pads
the axes are used in linear motion technology ( https://www.thn.nl/files/stream/documents/THN-TS06-NL.pdf)
gr
Hi i also used these material for my bugatti piston pins.
You can turn them to length with hard alloy inserts,no need to grind.
Michael
 
This is another source for the hardenend and Ground rods.

https://www.maedler.de/product/1643...tahl-werkstoff-cf53-gehaertet-und-geschliffen
I usealy cut them Rough to length with an anglegrinder and then use a Carbide insert for turning to the exact length.

Michael
Hi Michael
I found the same material from my usual supplier, near my house, I thought it was completely hardened and hard, but instead it is possible to drill in the center with HSS
Thank you for your suggestion
IMG_0533.JPG
 
This is a cool idea withe the two side ball bearings.
Michael
 

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