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Tools / Re: Dished grinding wheels
« Last post by gerritv on Today at 12:10:39 PM »
I think you are looking for Type 21 wheels. The ones from ArcEuro trade match that pretty closely.
I need one for my early 1900's Cincinnati Universal grinder to grind home made gear cutters, thank you for the link.

Banggood also has a few listed.

Tools / Re: Dished grinding wheels
« Last post by NormanV on Today at 11:41:26 AM »
Thanks for the replies. Sorry, I should have made it clear, I am looking for a silicon wheel as I fear that trueing a diamond wheel wouldn't be possible.
The angle of a cup wheel is too steep to fit in between the teeth of the cutter. What I am looking for is the wheel that is almost flat with a little dishing and a tapered edge.
I found one on Ebay but it was 150mm I need 125mm.
Electronics & IC Programing / Re: Arduino Inductance measuring meter
« Last post by picclock on Today at 11:01:31 AM »
A quick test and a small bit of code and its starting to look very good. Clear ring with well defined frequencies. Will definitely make for keeps and power with a lipo or lithium ion battery.

Capacitor was 5x1uF I found in my scrap box, already soldered together, measuring 5.21uF.

Should finish the software over the next day or two.

Best Regards


Tools / Re: Warco Micrometer stop
« Last post by Joules on Today at 10:59:53 AM »
Now that was sorted I could tackle the other bug bear.  You loose about half the micrometer travel as the way shields keep the end stop about 7mm from the saddle, plus the end stop can be wound into the casting !!!   Solution, make an extension, in this case add a 4mm socket bolt and sleeve to extend the tip.  I also ran a tap through the casting as it was pretty rough movement and then re-greased everything and ground the pip off the location grub screw as it would just catch the micrometer dial making it snag.  This also let the grub screw sit lower and reduce backlash in the dial.  It now has a full 20mm of travel and very handy it's been now its much better to use.

Tools / Warco Micrometer stop
« Last post by Joules on Today at 10:52:03 AM »
I was lucky enough at the beginning of the year to get a new lathe for the workshop.   Since then I have been trying to bring work in to pay for it and tool the thing up.   An early issue I had was with the supplied end stop.  It's a couple of castings that just bolt onto the bed, they aren't a great fit and they don't grip tight as the clamping plate has too far to travel and only grips poorly on an edge.

First job, fit a soft metal plate to improve clamping and the angle it fits.  I drilled into the casting 6mm deep to take brass pins as they will wear along with the alloy plate.  It nows has tons more grip than before without needing to swing on the Allen key.

Tools / Re: Dished grinding wheels
« Last post by John Rudd on Today at 09:23:09 AM »
Something  like this might be suitable?

( I bought some wheels from RDG and found that they were way out when running....didnt want to risk truing them up because of the amount of runout would have thinned them too much..)
Tools / Re: Dished grinding wheels
« Last post by Spurry on Today at 09:13:55 AM »
RDG tools seem to have quite a selection, there may be something that would suit.
Tools / Re: Dished grinding wheels
« Last post by ozzie46 on Today at 09:00:30 AM »
Are you using the word "dish" in your search? The proper word should be "cupped grinding wheel , I think.

Tools / Dished grinding wheels
« Last post by NormanV on Today at 08:41:47 AM »
I have been searching online, to no avail, to find a stockist of dished grinding wheels for a tool and cutter grinder. I need the type that have a tapered edge for sharpening the cutting faces on the teeth of an involute gear cutter. Can anyone give me a lead please?
Metal Stuff / Re: Alloy Car Wheels - Repairable?
« Last post by mexican jon on October 16, 2017, 08:32:28 PM »
I have a mate that works for a wheel repairers  :scratch: nearly all wheels can be repaired  :clap: would you like his details  :thumbup:
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