For some time now I have been wanting to make a copy of the spindle nose on my lathe, to use as a standard for making a backing plate for my 3 jaw chuck.
The thread is 4" 6tpi and I haven't had much luck in finding a suitable chunk of steel to use. I did see some off cuts of Delrin but they wanted $120 for a suitable piece
I managed to pick up a slug that had been flame cut from a 4" section of pate. For facing, I eyeballed it in the 4 jaw but for turning, I will need to be very close as there isn't much material to play with, diametrically speaking.
First thing I need to do is cut a shallow recess so I can weld in a section of an old drill coupler, which will then be used to hold the slug for turning, as it isn't long enough. I used a centre finder to locate the centre of the slug, which I then centre drilled. It was shortly after this that I remembered that I hadn't actually built that pump centre that I had planned on, to enable me to centre it accurately in the 4 jaw. So I rectified that problem!
Hopefully I will get to finish of the standard next week.
The thread is 4" 6tpi and I haven't had much luck in finding a suitable chunk of steel to use. I did see some off cuts of Delrin but they wanted $120 for a suitable piece
I managed to pick up a slug that had been flame cut from a 4" section of pate. For facing, I eyeballed it in the 4 jaw but for turning, I will need to be very close as there isn't much material to play with, diametrically speaking.
First thing I need to do is cut a shallow recess so I can weld in a section of an old drill coupler, which will then be used to hold the slug for turning, as it isn't long enough. I used a centre finder to locate the centre of the slug, which I then centre drilled. It was shortly after this that I remembered that I hadn't actually built that pump centre that I had planned on, to enable me to centre it accurately in the 4 jaw. So I rectified that problem!
Hopefully I will get to finish of the standard next week.
Hunting American dentists since 2015.