Part 2 of The Dove Tail Cutter
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- เผยแพร่เมื่อ 28 ก.ย. 2024
- Part 2 of the Carbide insert dovetail cutter based on a Randy Richards design
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For difficult threading I'm using the three-step cutters - those with one, two and no ring (endcutter) on the shaft.
Good idea with the gauge pin.
I am late watching the video, nice job and good finish on the test pieces. Subbed and thumbs up from John, Australia.
Really nice cutter.
cool!!! thanks only thingleft to do is hand scrape it to perfection! ya custom made bxa holders youll find how handy they are to hold work pieces as well as tools. trust me its a big time saver sometimes bxa on the mill???
That looks like a CMT chip, which I believe is supposed to have a 5 degree negative rake angle so there should have been a 5 degree offset when milling the shelf.
Looks like you're using some carbon steel taps, I've been screwed so many times with bad quality taps, that now I'll try to use only HSS high quality taps, believe me you'll be glad you paid the difference... ;)
When using this tool it's like inside boring, and, the insert can even be set up to a few thousand above center, but definitely not below center line...
Your tool seems to work just right... ;)
Pierre
+pierre beaudry These small taps I have are from a very cheap set sold at harbor freight, and the small one do break at the worst times...thanks
What setscrew did you use??
Bonjour,
Au moment de positionner l'emplacement de la vis, tu utilises une pin très faible.
La technique est bonne, mais, tu peux t'assurer qu'il n'y a pas de contrainte en plaçant un comparateur à touche plate sur la pin (sens opposé de la face d'accotement).
De cette façon, tu places la plaquette (au bout de la pin) en accotement, mais en étant certain qu'il y a aucune contrainte.
Car il n'est pas possible de sentir la contrainte avec les manivelles sur une petite pin.
Sinon, très bon travail ;)
Turned out very nice!
Do you remember what's the clearance between the carbide cutting edges and the tool edges, after you took the diameter down?
Have you tried faster/slower RPMs on steel?
with the rounded tips of the insert youre using youre not getting a sharp enough inside corner
Hello Brian, Would it be a more secure arrangement to mill a flat on the dovetail cutter and run it in an end mill holder rather than a collet? Also it looks as if the insert is not at all proud of the bottom horizontal face of the holder? Is that just camera distortion or is it designed that way? Is the cutting tip angled down like a fly cutter? Great video. Always like seeing what similar machines will do. Thanks. Doug
Agreed. I am surprised it cut at all if there's no relief on the bottom.
What insert did you use?
Time to invest in a new drill chuck. It's running out at least .020
I thought that tiny tap was gonna break, the harbor freight tap woulda broke off after about 3 threads in steel...I only use those in aluminum...and even thats iffy :) Nice job
What insert did you use? Awesome job!
Good job, works great.
+Randy Richard Well I followed your design and I was quite surprised at how well it works, now to make some BXA size tool holders with it.