Today's Message Index:
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     1. 02:38 PM - Drill speed choice (rayj)
     2. 05:08 PM - Re: Drill speed choice (rayj)
 
 
 

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Time: 
02:38:57 PM PST US
From: 
rayj <raymondj@frontiernet.net>
Subject: 
Drill speed choice
      
      
      Greetings listers,
      
      I've been lurking for a number of years and am about to order the kit 
      for a 750.  I'm trying to decide which drill to buy.  I have always 
      heard that faster is better so I'm looking at a 6000 rpm drill. Is there 
      a down side to turning the bit that fast?
      
      Thanks in advance for any advice.
      -- 
      Raymond Julian
      Kettle River, MN
      
      "And you know that I could have me a million more friends,
      and all I'd have to lose is my point of view." - John Prine
      
      

Message 2


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Time: 
05:08:19 PM PST US
From: 
rayj <raymondj@frontiernet.net>
Subject: 
Re: Drill speed choice
      
      
      I should have done more research before I posted my question.
      
      I found a nice page with some very useful info.  It answered my question 
      in nothing flat.  Hope someone else will find it useful.
      
       > http://www.littlemachineshop.com/Reference/CuttingSpeeds.php#Drilling
      
      The answer to my question is that I can use the 6000 rpm up to a 1/4" 
      bit diameter (which is the chuck size) without exceeding the recommend 
      sf/m for 6061-t6.
      
      
      Raymond Julian
      Kettle River, MN
      
      "And you know that I could have me a million more friends,
      and all I'd have to lose is my point of view." - John Prine
      
      On 03/30/2012 04:38 PM, rayj wrote:
      >
      > Greetings listers,
      >
      > I've been lurking for a number of years and am about to order the kit
      > for a 750. I'm trying to decide which drill to buy. I have always heard
      > that faster is better so I'm looking at a 6000 rpm drill. Is there a
      > down side to turning the bit that fast?
      >
      > Thanks in advance for any advice.
      
      








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