Thread: Another Swiss Boring Head - A Tiny Kaiser

Really nice heads Bob I am envious

That's nice Bob. I have no use for one, but that has never stopped me before...

Michael

It's a closely held secret but both Bob and I are known to be partial to a bit of 'Swiss made'.
As a celebratory fling, I lashed out and bought another boring head, based partly on Bob's efforts above. A shame that I am removed from my large mill, as this head has a 40 taper (with the Kaiser fitting underneath) and the fill in mill is MT2 - so it won't fit.
It arrived in a wooden box and was not at all battered around. Inside was the boring head with an assortment of tools for me to break. The head says that it is capable of 0.4mm to 27mm. I think there is meant to be an angled fitting to extend that a little but I'll have to hit the catalogues or talk to the guys at Kaiser to work that one out.
PB150003.JPG PB150004.JPG PB150005.JPG PB150009.JPG

Michael

Nice find Michael. Just because you're over there, doesn't mean you can buy what you like, I'm sure the wife reads this forum.
Kryn

Michael,

Your Kaiser is featured in Schaublin's 1990 catalogue for their No.22 mill. It was available with either a 30 or 40 taper or a 12mm straight arbor. Interestingly, for me at least, is that the 40 version has the part number 53-6.702. Schaublin's No.53 mill didn't have a quill on its 40 taper standard head so I imagine the prospect of boring a 0.4mm hole by means of raising the table would have been somewhat daunting. Daunting enough on the diminutive 13. The 53 did have a high speed head with an E(ER)25 quill so the 12mm arbored head would probably have been a more useful option.

Are you tempted to see it the arbor can be removed? Fortunately the head is newer than our Piccolos so if a dissection is planned, information might be more readily available from Kaiser Tooling than it was when I was trying the remove the arbor from my head.

According to the 22's catalogue the tiny boring bars have a 4mm diameter shank and to facilitate their mounting, a 10-4mm reduction sleeve was provided. With the standard tooling provided by Kaiser a Piccolo could bore a 2mm hole, with the reduction sleeve and a bitty cutter it would bore a 0.4mm hole. Without a quill, a probably pointless combination. Does your Sajo have a quill?

Bob.

Nice tool Bob. Seriously it can bore a 0.4mm hole? I cant even mentally picture that or the cutter you would use to do that!

Simon

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No, no quill on the Sajo. The FB2 has a quill but is MT2. I think the ISO40 screws off (there is some day light there) but I suspect only to the kaiser tapered shaft. I have a 100mm vice now so when I get it mounted up I should be able to see.

Bob, I would be interested in a list of accessories that should be with the head if you have one. I look to have a number of adaptors, so the gear could well be there. I do feel ripped off now though - the smallest boring bar that I have is only 0.8mm
PB180001.JPG

Michael

Ok that is small! Admittedly im not at all familiar with such tooling so my next comment maybe somewhat uneducated but it would seem strange to me
That anyone needing to bore a 0.4mm hole would do it on a machine the size of which means an nt40 size taper.

Can someone explain when a 0.4mm hole would need to be bored on a knee mill? Watchmakers come to mind but i just assumed they would use a much smaller dedicated machine.

Simon



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I don't know why a 0.4mm hole would need to be bored on a knee mill, but the arbors on these are demountable, so in theory I could send this boring head to Bob and he could put his ISO30 taper on and use it there (probably a more sensible sized taper for that size bore). Although I could not say for sure I'd be pretty certain that there is a Swiss reason for doing it this way.

Michael

Michael,

Here are a few screen captures from the 22 catalogue that show the kit supplied with the heads including the late model Piccolo. This would have been Schaublin's selection. As we know Kaiser offered more accessories for the Piccolo than those illustrated.

And FB2? An Emco in the collection?

BT

Kaiser 2.JPGKaiser 3.JPGKaiser 4.jpg

Kaiser 5.JPG

Originally Posted by Anorak Bob

And FB2? An Emco in the collection?

Sadly no - just a Chinese clone of one.
2MT Mill Drill 3 .jpg
When I finally get the machines set up here I'll post some pictures. At the moment all I know is that it is sitting in a box at a transport depot.

Michael