Flush Slitting Saws and Holders

fmari --MariTool- · Nov 19, 2020

Hey guys,
We are in process of making a new series of holders and slitting saws for flush slitting. Feedback on Instagram has been very strong and just want to get some feedback and application needs from you guys. In the picture is a BT30 holder with a FS.375 connection. .375 arbor with 4 screws and the saw is 1.5 Inches in diameter. We will be making several connection sizes for smaller and larger diameter saws. Multiple gage lengths and tapers Including CAT40. Once we have some holders com back from heat treating and we grind a few we will be making some test cuts and videos. Hopefully this proves to be a better and cheaper alternative to what is available now.

ChipSplitter · Nov 19, 2020

Solid carbide? :cheers:

Then you can compete with these guys...https://www.iscar.com/eCatalog/Family.aspx?fnum=3329&mapp=ML&app=64&GFSTYP=I

They're the cat's meow. Except they ARE NOT CHEAP!

thunderskunk · Nov 19, 2020

... people talk about tools on Instagram?

What is Instagram anyways?

Wsurfer · Nov 19, 2020

Sounds great,
What's the eta to be on the web site ?

BugRobotics · Nov 19, 2020

Sign me up for a CAT 40 holder as soon as you have them. Would be cool to sell an 1" OD extension (maybe 6") that plugs into a holder as well.

My uses include cutting off one and done parts, making relief cuts, etc. Just ordinary slitting saw stuff.

Saw specs I'd be after:
- Carbide
- 1/4" thru 1/32" thicknesses
- 3" to 1" diameter

Toolholder specs:
- CAT 40
- 1.5"-6" gauge length (would be cool to offer a long reach with a 1" saw OD)

mmurray70 · Nov 19, 2020

fmari --MariTool- said:
Hey guys,
We are in process of making a new series of holders and slitting saws for flush slitting. Feedback on Instagram has been very strong and just want to get some feedback and application needs from you guys. In the picture is a BT30 holder with a FS.375 connection. .375 arbor with 4 screws and the saw is 1.5 Inches in diameter. We will be making several connection sizes for smaller and larger diameter saws. Multiple gage lengths and tapers Including CAT40. Once we have some holders com back from heat treating and we grind a few we will be making some test cuts and videos. Hopefully this proves to be a better and cheaper alternative to what is available now.

This is great idea, nice work! Makes way more sense to mount the saws this way. I made similar tool with a biscuit joiner blade and use it for parting off aluminum and plastic parts. Just leave part holding by a little tab and it works great. I bet if you made an arbor for these people would buy them too. I find it handy every now and then.

Job Shopper TN · Nov 19, 2020

These look amazing. Definitely CAT40. Having addable extensions would be great. I love how these look and interface.

Chris59 · Nov 20, 2020

Interesting. What will be your thinnest saw?

neilho · Nov 20, 2020

Good ideas.

My biggest problem with slitting saws is runout. Provision for adjusting that out would be very handy.

TeachMePlease · Nov 20, 2020

Niche want here... But if you make them with a solid shank that can fit in an ER11 collet and 3/4" or 1" diameter saws, you could take a solid segment of the Swiss machining market.

Milland · Nov 20, 2020

TeachMePlease said:
Niche want here... But if you make them with a solid shank that can fit in an ER11 collet and 3/4" or 1" diameter saws, you could take a solid segment of the Swiss machining market.

Should be a good use of brazed shanks, they'd be about as good (better?) than from solid.

TeachMePlease · Nov 20, 2020

neilho said:
Good ideas.

My biggest problem with slitting saws is runout. Provision for adjusting that out would be very handy.

You don't own an indicator and a brass hammer?

fmari --MariTool- · Nov 20, 2020

Thanks for the feedback guys, Let me try to get all questions answered.

Yes all saws will be solid carbide. Not against HSS, maybe in the future I will offer both. HSS has its advantages sometimes.

Yes lots of machinists on instagram, check it out :-). Awesome community of people!!!

Bugrobotics, BT30 holders are 4-5 weeks away. CAT40 scheduled for machining so maybe 6-8 weeks out.

Runout will be spot on. The 4 screws are just for holding the saw. Saw arbor will still mate precisely with tool holder hub.

Teachmeplease, yes. back in the day I used to make a lot of custom saw arbors with 3/8 shank for a 1/4 or 3/8 arbor slitting saw. Will look into it.

Without hub thinckness will be around 1/32-1/4. If I add a hub can go as thin as .015.

RJT · Nov 20, 2020

What diameters for saw and arbors (to calculate depth of cut)? Looks like a really handy tool to get close to vise jaws or fixtures.

mcmachine · Nov 20, 2020

Will this be offered in a BT-40?
Or a straight shank?

fmari --MariTool- · Nov 20, 2020

mcmachine said:
Will this be offered in a BT-40?
Or a straight shank?

Sure. I dont see why not.

CAMasochism · Nov 20, 2020

fmari --MariTool- said:
Sure. I dont see why not.

Straight shank would be nice unless you also want to get into CAT-50 holders as well.

Mtndew · Nov 20, 2020

I don't like hijacking threads, but I just wanted to ask Frank about his offering of Cat40 Dual Contact shrink fit holders. Are you moving away from making these? There's only 1 on your site.
We're potentially going to be tooling up a new machine soon.
Thanks.

No more hijacking.

fmari --MariTool- · Nov 20, 2020

More shrink are on the way. We made a batch and sold out much quicker than we thought. Machines are so busy with other products no time to schedule them back in. Bringing in more machines.

Mtndew · Nov 20, 2020

fmari --MariTool- said:
More shrink are on the way. We made a batch and sold out much quicker than we thought. Machines are so busy with other products no time to schedule them back in. Bringing in more machines.

Good to hear!

Flush Slitting Saws and Holders

Titanium

Attachments

Titanium

Cast Iron

Cast Iron

Stainless

Stainless

Attachments

Cast Iron

Cast Iron

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Diamond

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Titanium

Aluminum

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