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internal threading/boring bar

 
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  #1  
Old 05-20-2010, 06:58 PM
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internal threading/boring bar

Can anyone recommend a internal threading/boring bar for blueprinting actions and smaller internal threading? I am tired of grinding and want a single point insert bar.

thanks
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  #2  
Old 05-20-2010, 08:47 PM
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Re: internal threading/boring bar

Go to Grizzley's web site. They have several with inserts available
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  #3  
Old 05-20-2010, 09:14 PM
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Re: internal threading/boring bar

I hate to just pick a random holder/insert type. I am not sure which ones will work well at feeds/speeds that I can do manually. I was hoping some of the other guys here could tell me exact model numbers they have had good luck with.

Thanks
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  #4  
Old 05-20-2010, 10:25 PM
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Re: internal threading/boring bar

I have a couple of their boring bars.

Kennametal Toolholders and Boring Bars

Tarey
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  #5  
Old 01-18-2011, 11:00 PM
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Join Date: Jan 2011
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Re: internal threading/boring bar

Kennametals makes every type tool holder , boring bar , threading tool you can think of . They also have good tech. support , let them know what you want to do and what you have to work with and they will set you up. Sorry I cant be of more help but all my work is now done on a HAAS CNC.
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  #6  
Old 01-19-2011, 01:09 PM
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Re: internal threading/boring bar

Quote:
Originally Posted by lazylabs View Post
Can anyone recommend a internal threading/boring bar for blueprinting actions and smaller internal threading? I am tired of grinding and want a single point insert bar.

thanks
Valenite and Sandvic both make good ones. They're setup for inserts. Work best with Alorus or Darius tool blocks. If they offer it in solid carbide it will be better.
gary
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  #7  
Old 01-19-2011, 01:28 PM
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Location: SW Montana
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Re: internal threading/boring bar

I'm giving tooling from A.R. Warner Co a try, they have the inserts in HSS and carbide. I just can't get the finish on my threads with the carbide, I can get decent threads if they are course and I can turn up the speed but finer threads on smaller stock just doesn't come out the way I want. I'm sure there are other issues but the advice I've been given is more speed or go HSS. Arthur R Warner Co Specialists in High Speed Steel Kits
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