Tungsten Carbide cutter.

[Hugh-Candoit (ENG)]

Ah now you see........ that's how the floating sheild works... the bearing is the sheild, as soon as it comes into contact with the material it stops revolving allowing the cutter to continue to cut where required.

The Bearing does revolve rick, but imagine the outer casing of the bearing extended to the sizes of cutters, the bearing is only just larger than the central screw. As soon as the bearing casing (sheild) touches a solid object the casing stops turning, the bearing then allows the central part (trimmer) to revolve at speed.

 

I do still have one that I saved many years ago for specialist jobs but it is at the moment inacessable as is so much of my older info and samples.

Keith should be able to provide a scematic diagram as the company that made them was taken over by Standard.(I think).Maybe they still provide them!!

One of the most useful gadgets ever produced (in the right hands of course).

[petercoulson]

perhaps i can help,

 

the shield on the left is a normal one, the one in the middle has a bearing inside and the one on the right is a normal one with a step iron built in (never seen this one)

 

 

Happy New Year

[Hugh-Candoit (ENG)]

Pic No2 looks like it also has the step iron as it is very large in the centre. I remember the iron part as being about a 4/5 iron on the No3 pic.

 

The No2 pic with the Bearing does not show the Allen grub screws that hold the bearing in.