Re: What are the best Aloris quick-change holders to start out with?

Mark Main wrote:

I have a Rivett 1020S and the Aloris BXA series quick-change tool post
and holders have been recommended to me.

I haven't worked on a lathe since high school (25 years ago) and so I
would really appreciate your recommendations on what holder 'numbers'
to start out with (e.g. #1, #2, #4, etc.).

To start out with I'll be doing a VERY slight taper (for about a length
of 1") on a 3/4" round x 2" long (when it's finished and cut) stock. I
assume that I'll drill the 1/2" center hole rather than bore it (I'm a
newbie).

Eventually I would like to make some chess pieces.

My guess is that I need the following BXA sized holders at a minimum:
#1 Turning and Facing Holder
#2 Boring, Turning and Facing Holder

But I don't know when and why I would need the #4, 41, 4D, 41D, 100,
104, 141, or 42 as an example.

The whole concept of universal tool holders (#20, 22, 30) and triangle
carbide insert holders (#12, 12N, 16, 16N, 23, 80, 80L, 15, 15L) and
knurling holders (#10, 19) is completely new to me.

Thank you for your help. Mark




Im not familiar with the numbers but we keep an average of 15 holders
for each lathe. The ones we use most are the holder for indexable square
shank tooling, (these will also hold a small boring bar), the 15 degree
adjustable head that takes a tmna insert, (by setting this in position
you can easily cut any chamfer multible of 15 degrees as well as use it
as a turning/facing tool. You can either get a parting tool or get a
parting tool that will fit in the square shank holder. The threading
tool is easy to sharpen and will do a good job or you can get a topnotch
Kennametal holder or the like and it will thread as well as groove,
depending on the insert you order, they all fit the same topnotch
holder.

In short, aloris spicific tools are nice but will kill your budget in a
hurry if you buy them new. I would buy a couple of square shank holders,
and a boring bar holder, the biggest you can get for the aloris series
you buy. You can always sleeve down to a smaller bar but not up. After
that I would get the 15 degree adjustable holder to make it easy to cut
chamfers. I would put more money into the indexable tooling.

John
.

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