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Bergeon 4106 Rollifit with Steiner Jacot pivot lathe on auction

VWatchie
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VWatchie Distinguished Member

VWatchie

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image.thumb.png.45283c326e5a770a89ae6e7f348f3064.png

This tool is up for sale on Tradera.com (https://www.tradera.com/item/1922/530542154/bergeon-tapp-polérverktyg-no-4106-med-tillhorande-polérstol-). I'm intrigued but not knowing anything about it (except what it's used for) I wonder if anyone has any experience using it and could share their thoughts. After quite a bit of practice I get decent results with my Steiner Jacot tool and Bergeon burnisher, but being something of a tool aficionado I'm thinking this tool might be safer to use (slipping with a burnisher doesn't look pretty) and yield "perfect" results more consistently. Also, what would be a reasonable bid? The current bid is approx. €250 but I'd expect it to go for a lot more.

Translated from Swedish to English the ad reads:

"Hello

here is a very good pivot-polishing tool that works really well.

Bergeon Rollifit 4106 with an excellent flawless polishing chair.

Both the lanterns and the grooves are in excellent condition;

dimensions from 2/100 to 28/100 mm.

Shoulder pin measurements are included.

2 loose lanterns in mint condition.

Light gray glossy base ..

The polishing chair is very little used.

The polishing disc is in very good condition.

Heavy stable piece.

Weight: approx. 2.5 kg including case"

Tore Member

Tore

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I think this is the same as Rollifit by Flume. I see only one burnisher disc(wheel). I am not sure you can use this on ballancestaff pivots. Maybe i am wrong, maybe you can turn the disc. Pivofix comes with two discs.

nickelsilver Distinguished Member

nickelsilver

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On these the carbide wheel can be reversed, one side has a radius, the other is square shouldered. They are handy for things like center wheels where the wheel might have 0.05mm clearance to the shoulder of the upper pivot- that's very tricky to handle freehand with a burnisher. The Pivofix is another animal, with significantly larger diameter wheels, is overall more rigid and precise, and can handle larger diameters with far greater ease (and just larger diameters- a typical Jacot with center wheel runner tops out around 1 or 1.2mm, the Pivofix will do up to 3mm). When you get to 1+mm diameters it can be tedious to retouch on a Jacot with handheld burnisher, but these also take a while as you can't really put that much pressure on the wheel without making one of the belts slip. In that regard the Pivofix wins. But a used Pivofix usually has a an asking price of 1500 to 2500 Euros. These, since you usually supply your own Jacot, can be cheaper (though they usually go for a fair bit, over 1000 in my experience).

 

I have access to one of these in my workshop (shared space), the last time I wanted to use it it just didn't want to take off the material. It was a Zenith, nice hard center wheel lower pivot; I ended up using my industrial pivot burnishing machine. Basically a Pivofix on steroids built to run 16 hours/day for 20 years. Fiddly to set up for a given diameter, but super fast with perfect finish once set up, haha.

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VWatchie Distinguished Member

VWatchie

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In the end I decided not to bid on it. As far as I remember the winner of the auction got it for about €700.

On 3/19/2022 at 3:40 PM, nickelsilver said:

They are handy for things like center wheels where the wheel might have 0.05mm clearance to the shoulder of the upper pivot- that's very tricky to handle freehand with a burnisher.

Indeed!

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