Titanium Ring

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Hi Folks!

A few of you were curious to see pictures about my titanium-ring adventure.

I figured I'd post pictures here to spare the poor bits tasked with storing attachments across multiple inboxes

Some of these pictures were made by Norm. Thanks Norm!

The source material:

InanimateTitaniumRod.jpg

Just faced the outside! Ready for drilling!

DrillLathing.jpg

Drilling! This gets hot! File:DrillTemperature

Using the boring bar! It's worth noting that Titanium CAN catch fire in a lathe!! It's like magnesium. Thus, it's essential to keep things cool with the coolant and to clear the titanium hair.

My big time-waster was not finding a way to shorten the stock before starting my adventure. Everytime I did something, runout would build into the spin. (from 0.005" to a millimeter it seems) This would lead to an inconsistent loading on the tool, and perhaps the impacts of the tool leaving and hitting the titanium were hardening it and causing the chatter to build.

I ended up figuring out a strategy though! If I advanced the tool position (radius of the ring) while the boring bar is inside the ring cavity prior to coring everything out, then I can advance to the next depth without introducing more chatter. It seems the act of going into the material LatheTitanium.jpg

Last modified on 15 August 2014, at 21:48