Dremel Brand Drill Press

[WidowMaker]

I  need to modify a jig mold cavity so that it will accomodate a larger sized hook. The primary thing I want to do is deepen and widen (and possibly elongate) the hook eye section of the mold cavity so that it will accommodate a larger size hook.
(Concerning enlarging the hook shank section of the cavity. I can enlarge it by placing a straight wire shaft into a drill press with the wire inserted into the cavity from the bottom side of the mold and then slowly rotating the wire.)
I am considering purchasing a Dremel Brand Rotary Tool and the Dremel Drill Press to do this.
My question is has anyone here had any experience with the Dremel Drill Press and will the tolerances of this tool allow me to do that without there being any undue excessive side to side movement and or wobbling of the Dremel Rotary Tool?

I do realize I might have to build a small platform surrounding the Dremel Drill Press deck for the mold to set stationary on and to be secured to.

 

Edited July 15, 2017 by WidowMaker

[Apdriver]

No experience per se with the dremel drill press but have modified a few molds with a regular drill press, ball end mills and square end mills. Also use a drill press clamp to hold the mold stationary. This has worked well for me.

[reeves]

I have the Dremel drill press.  I purchased it to modify molds with.  I found though, that it has too much play in it to do what I wanted.  As soon as your bit touches the mold, it would skip and not hold steady.  I also tried to perform this on my drill press with the same results.  I ended up buying a Unimat mini lathe and this has done the job perfectly because a lathe runs true with no skip.

You might save yourself a lot of time and money by trying this little trick.  Lay your oversized hook in the mold in the exact position you want it.  Carefully close the mold clamping the hook in place.  With a heavy hammer, hit the mold in the spot where the hook is clamped.  This imprints the new hook and enlarges the old hook cavity.  You may have to hit it several times to finally seat the new hook.  After a few hits the mold should be able to close completely and ready to pour.  Hope this works for you.

[mark poulson]

I've modified molds with my drill press.  I make sure I have sharp bits, and chuck them high into the chuck, to reduce the amount of bit that flexes.  I also go really slowly, and use a vise.

[cadman]

I tried a Dremel drill press years ago, to be honest, it really has no good uses.  It does not have the accuracy for carving out aluminum molds. You're better of like mentioned above , get a good drill press with a  vice, or smack the mold with a hammer with the hook inside, giving you a profile on where and how much you need to cut.

[WidowMaker]

Thanks for the info guys and I truly appreciate the advice.

[EironBreaker]

I bought a small drill press from Harbor Freight many years ago and it has served its purpose time and time again.  Fits on the bench nicely and is easy to work with.  Steady hand and sharp/new bits help.  Mark what you want to remove, go slow and refit often until it fits correctly.