Hi, I use a surface grinder with a magnetic chuck to true my brake pads.
Works great.
Cheers, Bill
----- Original Message -----
From: "Marcel Van Mulders" <van.mulders.marcel@telenet.be>
To: "'Mark J Bradakis'" <mark@bradakis.com>
Cc: <fot@autox.team.net>
Sent: Friday, December 26, 2014 6:42 AM
Subject: Re: [Fot] TR head cracks
>I believe I wrote 6000C, not 6000.
> But on another subject : Cor Nuyts is a man near Antwerp who is famous for
> his billet steel crankshafts and a lot of special engine parts for tractor
> pulling etc.
> He has over 100 different crankshafts in the database of a CNC machine
> i.e.
> 6cyl TR and 4 cyl TR with 92 and 96 mm stroke (I had a 96mm crank made by
> him, but had to sell it on after I told it to the people of the TR
> Competition before my first race there) Cor is 70 now and still hard
> working. When he was in his twenties, he made succesfully a straight 8
> Bugatti crankshaft on an ordinary lathe : it took most of the week-ends
> during a year.
> Recently, he machined a TR6 block for me to take 3600 Toyota crank thrust
> bearings. The bearings couldn't be mounted however, he hadn't machined
> deep
> enough. To avoid transport of the engine again, he milled the bearings
> 0.3mm
> down. To do so, he placed the bearings on a flat magnetic plate to secure
> them, and then the plate with the bearings went under a stone to mill
> them.
> On the way home, I thought that this milling with parts on a magnetic
> plate
> could also be used to make used brake pads flat again. I've used Kas
> Kastner's method on a drill several times and this is working very well,
> but, if you have gathered a lot of partially used brake pads over several
> years, milling these on such a machine could be an elegant alternative.
> What
> do you think?
> Marcel
>
> -----Oorspronkelijk bericht-----
> Van: Fot [mailto:fot-bounces@autox.team.net] Namens Mark J Bradakis
> Verzonden: donderdag 25 december 2014 8:39
> Aan: fot@autox.team.net
> Onderwerp: Re: [Fot] TR head cracks
>
> Marcel Van Mulders wrote:
>
>> Repairing would mean : welding the crack after heating the head
>> (6000C?), without guarantee of success.
>
> Heating the head to 6,000 degrees C would certainly not guarantee
> success.
>
> Off to California for Christmas, hope the server doesn't blow up while I'm
> gone.
>
> mjb.
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