Thread: New stuff from Eccentric Engineering

Thanks for the tip Jack

I'm going to get a couple of those tool holders and also try those crobalt cutting tools,................and the parting tool

mind you I'll have squirrel a few bucks away first.

john

Originally Posted by shedhappens

Thanks for the tip Jack

I'm going to get a couple of those tool holders and also try those crobalt cutting tools,................and the parting tool

mind you I'll have squirrel a few bucks away first.

john

Hi John,
The word is that the crobalt is fantastic but will break the point off the tool if you don't clear it before stopping the work from turning. Just like carbide tips. Also tends to chip while screwcutting.

Phil

Thanks for the info Phil,

Those tools looked good because I often have to machine things that I have welded, how do you reckon they will go on welds ?

I watched the vid's and the stuff seemed to handle interrupted cutting pretty good.

john

I've just ordered one of the crobalt tools. I'm keen to try it on my nemesis (stainless steel).

Originally Posted by shedhappens

Thanks for the info Phil,

Those tools looked good because I often have to machine things that I have welded, how do you reckon they will go on welds ?

I watched the vid's and the stuff seemed to handle interrupted cutting pretty good.

john

Should be ok john.
As long as the small bits that can break off(spatter etc) are removed before machining it should be ok. This stuff has a hardness somewhere between quality HSS and tungsten carbide.

Phil

Originally Posted by shedhappens

Thanks for the info Phil,

Those tools looked good because I often have to machine things that I have welded, how do you reckon they will go on welds ?

I watched the vid's and the stuff seemed to handle interrupted cutting pretty good.

john

I ordered some crobalt bits from him, I've had no problems grinding welded areas wiht them. Wear a mask when you grind the tool bits though - cobalt dust is toxic.

I ordered the BTF parting tool, haven't had a chance to try it as yet.

G/day Gavin, when you get the BTF parting tool could you repost here with your evaluation on it please.

and thanks for the tip's on the tip's.

john

I have just been using some of the Crobalt and find it very good.It certainly holds an edge and will take a small finishing cut. The shaft in the photos is SS of unknown grade but finish off the tool is exceptional.Last cut was a 1/2 thou. at 530 rpm and slowest feed speed. No evidence of the edge breaking down at all.
The error in diameter I will attribute to the lathe but am not worried enough to change anything.Turning this small diameter between centres I expected more flexing but the sharp tool worked nicely.

After viewing Micheal's photos yesterday, I cast aside the idea of making my own tangential tool holder and paid some money to Gary at Eccentric for a diamond tool holder and a piece of crobalt. I'm all excited now, waiting for it to arrive.

BT

You will love it Bob. It's all I use. In fact I brought it to work today because I need something quick easy and decent to use.

Phil

While scraping away I realised that my post could be taken many ways, only one of which was intended. As it served no useful purpose its gone

Stuart

I took it the way it was intended Stu.

I'm finished with the play stuff such as the tailstock micrometer and fixing the Waldown. Time for some real stuff. I've recommenced work on the swivel base for the 13's dividing head. I was actually just drawing some revisions during my lunch break. Revisions that I should seek opinions of here.

As usual, disasters are always lurking on the periphery. Been a while since I've used the mill and ended up being bitten by assumption. I had the much worked on upper tee slotted part of the base set up for cutting with a 6 inch slitting saw. Had my whizzo helix clamps holding it down. Surprising how quickly a 2 horsepowered saw can tear something loose that you thought was secure.

BT

I figured you would Bob

That doesnt sound very nice at all! Recoverable I hope?

Stuart

Originally Posted by Stustoys

I figured you would Bob

That doesnt sound very nice at all! Recoverable I hope?

Stuart

Stu ,

I had left myself a margin for safety when I commenced cutting. I was hand feeding with a 40mm depth of cut using a 1/16" face and side cutter. Might have been that too few teeth were engaged. Scared me when it wrenched free. While I would have been bitterly disappointed if I'd trashed the workpiece given the hours invested in it's making, my greatest concern was damage to the mill. No damage to either. TF!

BT