Machining a 5C Collet Adapter - Morse Taper 4-1/2 to 5C adapter
For today's project, we'll make a 5C collet adapter for the spindle nose of the new lathe!
The outside diameter of the adapter will be machined to a morse taper 4-1/2 to fit the inside taper of the spindle nose, and the inner bore will be machined to accept a 5C collet.
The material we'll be using is a piece of 4140 pre-hard steel round stock.
To begin, we will chuck up the material in the lathe using the 3 jaw chuck.
Then we'll face, center drill, and begin rough turning the outside diameter and major features.
Once we have our rough major outside diameter, we will set up the compound to cut the appropriate angle to produce the morse taper.
To do this, we'll use an existing example of taper we are attempting to reproduce, suspended between centers, and we'll reference against this taper to set our compound using a dial indicator.
Once we have produced our outer taper, we'll then separate the part from the remaining stock so that we can insert the part directly into the spindle and machine all of the remaining features in situ.
Machining in situ will help to create a high degree of precision for the remaining features.
Next we'll face, drill, and then bore out the material to accept a 5C collet.
And finally cut the 10 degree included angle to match the 5C collet taper.
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Who am I?
I am Hersch!
I'm a hobby machinist, with a passion for old machine tools and manual machining.
My favorite place to be, aside from with my wife, is standing in front of the manual lathe.
I like to fix up and restore old machines, make my own tools, and I also take on small jobs fixing, or making parts, etc for others.
Why am I here?
I am here to share and learn.
Being self taught, much of my limited knowledge, has come from others sharing their experiences online, just as I am doing now.
This channel is my way of giving back a bit of that which I have gained from others, while at the same time hopefully being able to learn even more by putting my work in front of far more knowledgable and experienced machinists.
My Lathe: MSC / Prince 9517350 - 13x40 Manual Metal Lathe
My Milling Machine: Bridgeport Series 1 Variable Speed "J head" Vertical Mill
#diy #lathe #machining #manualmachining
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