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T35 steering
http://www.bugattibuilder.com/forum/viewtopic.php?f=1&t=2266		 Page 1 of 1
Author:  Udolahr [ Thu Dec 23, 2010 5:02 am ]
Post subject:  T35 steering
Grinding new gear and wurm . To get the best fit . A mixture of diamond dust and oil .

Attachments:
Bugatti steering grinding.jpg
Bugatti steering grinding.jpg [ 79.8 KiB | Viewed 7014 times ]
Author:  Herman [ Thu Dec 23, 2010 9:35 am ]
Post subject:  Re: T35 steering
What is the speed at which you perform this operation? (Lathe RPM)
Author:  Udolahr [ Thu Dec 23, 2010 7:28 pm ]
Post subject:  Re: T35 steering
190 RPM
Author:  davids [ Thu Dec 23, 2010 7:52 pm ]
Post subject:  Re: T35 steering
In the Bugatti GP book, steering chapter, it mentions that there seems
no reason to machine all the circle of teeth as only a small area is ever
used..could this be the reason, to run it together precisely and properly ?
Author:  Herman [ Fri Dec 24, 2010 8:28 am ]
Post subject:  Re: T35 steering
Udolahr wrote:
190 RPM


Both directions?
Author:  Udolahr [ Fri Dec 24, 2010 10:45 am ]
Post subject:  Re: T35 steering
For sure both directions . You can hear it if one side is ready , the sound is changing .
Some gears need one hour some all day . With this grinding in you get the best possible steering .
Author:  Bugwrench [ Fri Dec 24, 2010 2:37 pm ]
Post subject:  Re: T35 steering
Udolahr wrote:
For sure both directions . You can hear it if one side is ready , the sound is changing .
Some gears need one hour some all day . With this grinding in you get the best possible steering .


Molsheim did not need this rude method to compensate for bad machining.
Bugwrench
Author:  Udolahr [ Sat Dec 25, 2010 8:14 pm ]
Post subject:  Re: T35 steering
should I be surprised about your post ? I'm sorry, I'm not. It is more or less normal.
Dont worry `, I help you to build up your technical knowlige a little bit .
If you buy a gear grinding machine today , like the number one , it is a Schleifring . We talk about 750 000€ . But even this expensive machine , can not make the quality like grinding in with diamond dust . In the industry today , it is still normal for high quality gears to grind them in . There are special machines for . The translaten from German , Gear grinding in machines , some call it Lapping machines . Used in for example measurment devices or auxiliary gearboxes from jet engines . Or in all places where you need high quality gears . Very common today is lapping piston pins in special piston pin lapping machines .
What quality had a gear cutting tool in 1930 ? And what quality was a gear cutting machine able to do in 1930 ?Did you see one ? If you take a original Bugatti steering gear and grind it in like you can see in the picture above ,only for 1 minute .You can see the quality from 1930 . How many spots are touching and how many not .I like to have the minimum play at the steering wheel as possible , and easy and soft to turn , you not ?
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