Which slitting saw arboour to get?

[tmuir]

I can see a time soon when I will want to use a slitting saw on my mill.
Which arbour am I better to get?

A 1/2 inch straight arbour that I can hold in a er32 collet or one that has a morse taper on it to fit to the mill in place of my er32 chuck?

The straight shanked one means I don't need to swap out the chuck on my mill which saves a lot of messing around but I'm also assuming it won't be as steady as the one with the morse taper.

What does everyone else use?

 

[tel]

Get??? Make you mean - they are a pleasant little exercise and you can make what you want, not what some factory thinks you want. Personally, I'd go with the 1/2" shank and collet. That the way I've done my three.

 

[tmuir]

Get??? Make you mean - they are a pleasant little exercise and you can make what you want, not what some factory thinks you want. Personally, I'd go with the 1/2" shank and collet. That the way I've done my three.

Make?
I hadn't thought of that.
Anyone got any plans or some photos to the one they have made to give me inspiration?

 

[billmac]

I would avoid the arbors with the spring-loaded centres. You can make a much more rigid arbor with very little effort. The spring-loaded centre arbor that I bought was essentially useless - not a good fit on the cutter bore and the clamping faces were a long way off perpendicular to the axis. Fortunately they were soft enough to true up, but even then the support to the slitting saw was not good.

 

[DICKEYBIRD]

Ditto on the crappy spring loaded universal arbors. I bought one and promptly made something else out of it. :

Here's a link to one I made for a carbide-toothed blade I picked up at Home Depot. It works great. It has a 3/4" shaft and I use it in a 3/4" R-8 collet; it's very rigid. http://www.homemodelenginemachinist.com/index.php?topic=542.0

I also made 2 other dedicated arbors for HSS slitting blades. I wish I could make one with an adjustable center to adjust out the runout in my conventional HSS slitters. They all have terrible runout and don't even use many of the teeth! I hardly use them now that I got the carbide blade. That thing is awesome.