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3d indicator design

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PekkaNF:
The nanosecond when I saw this design, I was eyeballing these:

http://www.arceurotrade.co.uk/Catalogue/Bearings/Thrust-Ball-Bearings
http://www.arceurotrade.co.uk/Catalogue/Bearings/Needle-Roller-Thrust-Bearings

Maybe these nedle roller thrust bearing would donor hard enough discs.

You'll need preload. What kind of washer are you using? Wafer (the wavy one) or the one with fingers/prongs?

I admire your tennacy,
Pekka

Divided he ad:
Fair do's Bill... You sure give a project your all  :bow:



I've missed a few instalments, but have just read through and caught up.... Top job. Hope the hardened bearing plates will cure the (final) Hurdle?   :thumbup:




Ralph.

BillTodd:
We're back! Welcome to round 2...


I can't find suitably wide (i.e. large diameter with a small hole) thrust washers anywhere, so I've had to redesign the locking ring to hold a standard (30 x 17) thrust washer.

I found time today to make the locking ring and press fitted the washer. seems OK :)

Hopefully, tomorrow I'll trim the bearing cages to clear the lip (that keeps the washer square )

Bill

PekkaNF:
Nice to see latest development. Does the washer mount locates only to indicator face (I assume that this surface was trued) and other surfaces are non locating i.e. clearance. Could not spot it from the design.

PekkaNF

BillTodd:
Hi Pekka,

Yes, the washer sits down on a tiny facet turned true in situ (I used the indicator body to hold the ring while turning the face).

I hope to get on and finish it this afternoon (it's a bank holiday here today).

Bill

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