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...
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...
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.
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...
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...
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...
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
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...
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...
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...
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