"One Perfect Part at a Time"

My Kind of SHOPing

I worked in the machine shop all weekend. I am trying to make spoked solid steel model locomotive driver wheels on my micro CNC milling machine. They are slightly over 3 ½ inches in diameter.

First I had to make a special fixture to hold the wheel blank onto the milling table. That took all day Saturday. Then I cut the first wheel on Sunday. That took about 7 hours!

I enjoyed the work but am not happy with the current result. I broke three 1/8 inch end mill bits working with the stainless steel. 🙁 I will try carbide end mill bits next if I can find some. The finish on the SS was not what I desire. Standard bits get dull cutting SS.

I have some nice machineable steel to try next and also fine grain cast iron. That will wait until another day and when I have more 1/8 inch mill bits to play with.

It is amazing how time flies when you are having fun. Yes, dear! breaking mill bits is fun… forget about those words I used. 🙂

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