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Fullerton 3- flute drills

Hanita, Kennametal, OSG, Etc; Varible Flute End Mills

Onsrud

Lakeshore Carbide

:)

Yes, switch over to a .4375 drill with a 135 degree point if you have it. It will cut better than a 118.

First off, your speed is too fast for your feed. 530 / 13 = 40.76923077, your rpm should be 520 if using 40 ipm.
A rule of thumb is to multiply your pitch times 10 would equal 130 which is a might...

What is your maximum RPM on your Vertical Mill?

What is the tool effective length?
Are you using High Speed tools or Carbide?

4-flute tools will load up on you, especially when running dry.
...

Just keep in mind that if the chips are dirty from any excess coolant, you may have to pay someone to haul it off for you.

JB,

I do not use ipm or ipr when determining what feeds & speeds I use when running Fullerton 3 flute drills. There are several factors to look at when I determine just how fast I want to go which...

I have not used guhring GT-100 parabolic taper length drills & Guhring does make some good stuff it is just kind of pricey. First off, I have never had any luck with Parbolic flute drills when...

I would make sure you have the correct size collet and that you tighten it down more. Also make sure the collet is snapped into the cap all the way.
We have 3 different kinds to ER16 holder styles....

I would have to say that it would be user preference one over the other and depending what material you are cutting. I have only used Iscar. I have had better insert life from using Sandvik inserted...

There are two ways I use.

If you just want to go say like 285 blocks into the program, just push find 285 & push write, it will jump this far ahead in program.

If you need to go to an exact...

You do not need really need an RTS at the end of the program. Towards the end of your program edit in GOTO NSTT, somewhere near the start of your program, where you want it to start over, edit in...

I would start with that but do not let it be the rule. Sometimes a conventional cut will work better for whatever reason. "Murphy Lives" all over the place! All of the "calculated chip loads and...

Your setup of this type tool can make a big difference of how well it does or does not perform.

What size arbor is your tool mounted onto?

If the i.d. hole in your cutter is somewhat small you...

I am not really relating holder runout from a shrinker to a hydralic or mechanical holders. It seems to me that you are thinking that when using a shrinker that all of the cutting forces & vibrations...

Yes, we often buy Micro 100 end mills, but there are plenty other well known manufacturers. OSG, Kennametal, Weldon, Fullerton, SGS, etc;

I have not heard KEO. I have heard or seen Kyocera but...

For your application, I would suggest using Shrink-Fit holders.
We have Shrinker, Briney & Tooling Innovations holders that we use. We always buy the tapered style, meaning that you want the larger...

It is helpful if you use a test indicator to measure how much backlash you have in each axis, in each direction. If it is minor, you can just make sure to keep the ballsrew going in the same...

I believe what you possibly meant to refer to was " Lean Manufacturing "

We have setup work cells to practice this vision. We use to practice the one man one machine thinking and still do in some...

I am not familiar with your lathe but I am somewhat familiar with your symptoms. We have Okuma MC60H 5-axis Horizontal Mills that are 27 years old and still running...........somehow!

I can tell...

We have a VUE90E040R08F150 that takes 8 inserts.

Your tool is an R16 which I am guessing takes 16 inserts.

These tools use a CDE 322 style insert. The rest of the insert code will depend on the...

Take a look at these two sites;

Carbide Cutting Tools Specialty Tooling Belleville Mi

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It looks like they offer tools in the sizes you want & a little longer than what you currently...

With the diameter you stated at .250, I would suggest getting a 4 flute if you can and definitely use carbide, with the shortest flute length you can get. A 4 flute will cut better than a 2 flute. A...

What type ball end mill are you using?

2 flute?

4 flute?

High Speed?

Carbide?

Travis,

There are many variables that come into play when trying to obtain the best feed & speed for a certain tool.

Tool effective set length
Toll holder used, collet, solid, shrinker...

I would suggest trying a 3-flute solid carbide ball end mill like from Fullerton Tool Company. Fullerton Tool Company - Solid Carbide Cutting Tools | FullertonTool.com A 2-flute ball just does not...

If you have not visited the Fullerton site yet I did forget to mention that these are Solid Carbide Drills. A .4375 standard length drill is going to be 4.5" long with 2.875" of flute. It could be...

We mainly use Fullerton 3-flute drills for all of our aluminum drilling. These drills have a 5-axis grind and are self centering. For a .4375 drill, I would suggest you start out at 1500 rpm, 10 ipm...

Kemlontho,

Since I use mostly solid carbide tools, that is what I would suggest using. I do have an Ingersoll 2.0" cutter that is a 2-flute with inserts. It is set out of a shrink-fit holder. Our...

I believe the first answer is yes.

We have some niagara slot mill cutters but they are older tools.

We have used and still buy tools from Fullerton.

They have about the very best 3-flute...

Sounds like you have had some better luck with your tooling.

After reading your comments about how introducing oil would be a headache, I remembered there are alternative ways to help cool the...