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Von: n197tr4@cs.com [mailto:n197tr4@cs.com]
Gesendet: Mittwoch, 9. November 2011 14:17
An: tr4racing@googlemail.com; fot@autox.team.net
Betreff: Re: [Fot] TR 3 / 4 Distributor gear failure
Chris,
Is this OEM gear or aftermarket?....if there is an aftermarket offering.
What about hardening the mating gear?
Great to see the FOT LIST alive with valuable information.
-----Original Message-----
From: MadMarx <tr4racing@googlemail.com>
To: fot <fot@autox.team.net>
Sent: Wed, Nov 9, 2011 5:50 am
Subject: Re: [Fot] TR 3 / 4 Distributor gear failure
Update:
After the hardening I can report some success!!
The teeth show NO wear anymore.
The contacting surface is glossy polished but no marks of teeth digging
into.
>From my point of view it should be advisable to plasma nitrate harden the
gear wheel to a depth of 0,2 mm.
Cheers
Chris
-----Urspr|ngliche Nachricht-----
Von: MadMarx [mailto:tr4racing@googlemail.com
<mailto:tr4racing@googlemail.com?> ]
Gesendet: Mittwoch, 5. Oktober 2011 16:10
An: 'fot@autox.team.net'
Betreff: AW: [Fot] TR 3 / 4 Distributor gear failure
I would like to give an update:
I did a hardness check on the distributor gear:
HRC 38 to 43 (stock)
After plasma nitrating
48 - 54 HRC
So the surface is now harder and I'll report how the gear will behave.
Cheers
Chris
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