Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Largest Manufacturing Technology Community on the Web
Stay Connected:
Recent content by Bulletsnatch
-
B
Form grinding a straight flute carbide drill.
Sorry for taking so long for an update my boss fought me tooth and nail about the drill and we kept trying it his way. I eventually got fed up and went behind his back put the radius on the drill myself with a diamond file and the comparator and it worked perfect. Ended up with me getting a pat...- Bulletsnatch
- Post #20
- Forum: CNC Machining
-
B
Form grinding a straight flute carbide drill.
The tolerance on the diameter of the hole is pretty big the tolerance on the full diameter depth of the hole is like a mile. There's no need for a reamer. Thank you everybody for all of your help and thank you for that awesome PDF file with all the information on drills. I only have a few years...- Bulletsnatch
- Post #17
- Forum: CNC Machining
-
B
Form grinding a straight flute carbide drill.
mhajicek you got to shove a bunch of dental mold inside and stir it around for a minute or two to get all the air pockets out. Then Jam a pair of tweezers in there pull it out and hope for the best. Then you check it on the comparator.- Bulletsnatch
- Post #15
- Forum: CNC Machining
-
B
Form grinding a straight flute carbide drill.
I'm not sure either. He seems to think that the hole is non functional because the hole is in the threaded shank. Since we make a lot of assemblies that mentality of knowing what you can get away with is taken with non assembly parts as well. But we unfortunately I am limited on what I can work...- Bulletsnatch
- Post #13
- Forum: CNC Machining
-
B
Form grinding a straight flute carbide drill.
So at the very least we could send a Cobalt drill out and have the radius ground into the corners? And it would work?- Bulletsnatch
- Post #12
- Forum: CNC Machining
-
B
Form grinding a straight flute carbide drill.
It absolutely wouldn't surprise me if it did have it in the price tag- Bulletsnatch
- Post #11
- Forum: CNC Machining
-
B
Form grinding a straight flute carbide drill.
I'm making the part on a lathe I don't know why it needs a .060" radius going into the 118°. The part is some sort of linkage rod end for the launch bar of an f-35. I have to make about 150 of them and I have the capability of using through coolant if I had a through coolant drill but my boss...- Bulletsnatch
- Post #4
- Forum: CNC Machining
-
B
Form grinding a straight flute carbide drill.
So I'm currently running into a new problem at work where I am drilling an ID of a part with a fairly large tolerance of .330-.350 and a full diameter depth of 2.110"-2.170" and the blueprint calls out for a 114° to 122° drill point at the bottom of the hole. The material is 15-5ph heat treated...- Bulletsnatch
- Thread
- Replies: 20
- Forum: CNC Machining
-
B
Small boring bars with no flats alignment?
What would you do if your boss hands you a carbide boring bar without a flat and tells you to grind a flat on the shank?- Bulletsnatch
- Post #16
- Forum: CNC Machining
-
B
Clamping Inconel parts to a fixture with tailstock pressure.
And seymore that would be worth a shot if the gun drilled hole wasn't running out .010"-.015" on some parts. Which it's just another nightmare I get to work around today- Bulletsnatch
- Post #5
- Forum: CNC Machining
-
B
Clamping Inconel parts to a fixture with tailstock pressure.
No Doosan sets the standard for their bottom line machines at 100#-300#. I'm so sick of Doosan- Bulletsnatch
- Post #4
- Forum: CNC Machining
-
B
Clamping Inconel parts to a fixture with tailstock pressure.
Hello all. I'm making some parts out of 718 that come to me as .625" x 3.600" bar with a .350" hole gun drilled through the center. First op machines a tube port with an OD of .565", an ID of .450", and a depth of .360". Second op clamps on that port with a collet and uses the tailstock and a...- Bulletsnatch
- Thread
- Replies: 5
- Forum: CNC Machining
-
B
Maraging 300 Steel, thin steel part, need some thoughts
Actually sorry don't clamp unclamp. The part I made today you have to do that. Not this other thin one.- Bulletsnatch
- Post #5
- Forum: CNC Machining
-
B
Maraging 300 Steel, thin steel part, need some thoughts
We make a part very similar. Out of 6061. But it has a smaller diameter. We rough it out tailstock to chuck to the smallest diameter we can that it doesn't flex. Then retract tailstock and re-advance it. When advancing the tailstock you have to hold the pressure valve and turn the pressure all...- Bulletsnatch
- Post #4
- Forum: CNC Machining
-
B
A286 Drilling question
I'm currently having to drill .125" hole 1.600" deep in A286. I'm using a Guhring carbide jobber uncoated. (Because that's what my boss bought me.) I was at 375rpm and feeding at .002" per rev taking .015" pecks. I'm currently getting about 10-15 parts per drill. My boss wants me to get more so...- Bulletsnatch
- Post #11
- Forum: General