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Posted by Mark Main on April 29, 2006, 9:01 am
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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
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Posted by Grant Erwin on April 29, 2006, 10:43 am
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You will mostly need No. 1s and an occasional No. 2. I also use my No. 7
occasionally (parting off) and the turning/facing carbide tool occasionally
(mostly when I'm going to use carbide I use 1/2" shank TT-type tools in a No. 1
holder). If I want to knurl I use an Eagle Rock scissor-type tool held in a No.
1 holder.
You don't have to buy 'em all at once. If you get them as a set, that's one
thing, otherwise just save your money.
GWE
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
>
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Posted by Richard J Kinch on April 29, 2006, 4:50 pm
Please log in for more thread options Mark Main writes:
> 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
Also consider that you typically want to have more than one of a given
type. Otherwise you can wind up changing bits back and forth all the time,
which of course defeats the purpose.
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Posted by Mark Main on April 29, 2006, 5:55 pm
Please log in for more thread options Has anyone used their #71 Cut-Off and Grooving Holder? What are the
trade-offs between #71 and #7? E.g. rigidity, blade replacement
economics, etc.
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Posted by Mark Main on April 29, 2006, 6:03 pm
Please log in for more thread options I forgot to include #77 Cut-Off and Grooving Holder in my comparison
request. I'm just curious of #71 or #77 end up being better tools that
#7 AND cheaper to run because you just need to replace the carbide
cut-off inserts rather than the whole blade.
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> 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
>