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Broach For Steering Wheel Hub?


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#1 PeterAllen

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Posted 28 February 2016 - 11:42 AM

It's a long story behind the need, and not my heavy-handed work either, but I'm wondering it anyone has ever seen a steering wheel hub have the splines re-broached and if so, where such a broach/operator could be found? Thanks


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#2 Sirpent

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Posted 28 February 2016 - 07:44 PM

Pictures Peter

 

I may have an idea



#3 dat2kman

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Posted 29 February 2016 - 04:09 AM

A very small triangular file, and take off the bare minimum.

If its too far gone, sacrifice another random Datsun steering wheel centre, machine it down, bore out your original steering wheel, ress fit the "good" centre into yours, drill two holes to fit pins into, ( on the join) and a few decent bits f weld to lock it all in.

#4 PeterAllen

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Posted 29 February 2016 - 09:03 AM



... and a few decent bits f weld to lock it all in.

 

I personally would never drive a car with welded steering or brake components.

 

 

John. I bought a Nardi hub and, like so many other components, it sat on a shelf for a few years before I got to the stage of needing to fit it. When I attempted to do so I found it an incredibly tight fit to the point of believing it the wrong spline. I purchased another one but it is a Nardi./Momo hub and, unlike the first hub, the multi-wheel mount configuration makes it impossible to fit the Nardi/Ferrari horn button without machining adapter rings.

 

On closer examination of the original hub it appears the spline is correct except that it is a VERY VERY TIGHT fit. I can press it on using the large nut which secures the Datsun steering wheel, but it will require a puller to remove it. I've tried to clear any imperfections with a needle file but it appears as though it's just a bit on the small side overall. It is alloy and I don't want to be fitting and removing it too often. 

 

I could possibly grind off the leading taper on a Datsun shaft and drive it through the hub but it's a lot of work for a dis-heartened old fart.

 

 Nardi%20hub%201s_zpsxnv0nbvd.jpg

 

Instrument%20panel%206s_zpskhrovrqi.jpg



#5 Sirpent

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Posted 29 February 2016 - 04:10 PM

A very small triangular file, and take off the bare minimum.

If its too far gone, sacrifice another random Datsun steering wheel centre, machine it down, bore out your original steering wheel, ress fit the "good" centre into yours, drill two holes to fit pins into, ( on the join) and a few decent bits f weld to lock it all in.

 

Peter, this idea as an absolute final alternative isnt far fetched, there are hubs I have read about in my travels on the www that do have a pressed in spline center, but rather than welding one in, you could look at salvaging a Z center spline, and having it fitted into the new hub with locking key ways, good enough for go-cart wheel hubs, cant see why it wouldnt work here also.

 

But as I said, its a ABSOLUTE FINAL ALTERNATIVE

 

There are broaching machinests in Sydney that I have seen on the web, but your problem is a case of tolerances, not re-sizing, the other point is that spline broaching is achieved through pneumatic force by rotational force on a dye, if your hub is tight, using the column as the die and fitting and removing the hub with care will recut the splines to marry if they are the same number.

 

Personally, take a Zed steering wheel to a machine shop and get them to check the actual sizing and then that of the new hub, they may be able to run the correct dye through the hub.

 

This is a prickerly one Pete.................. One old fart to another. 


Edited by Sirpent, 29 February 2016 - 04:10 PM.


#6 PeterH

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Posted 29 February 2016 - 04:19 PM

You might need a toolmaker Peter....

cheers

old fart number 3



#7 PeterH

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Posted 29 February 2016 - 04:23 PM

love the "oilo" on the guage.... I remember seeing that on filler caps on Alfa's....seem to recall seeing " benzina " somewhere on them as well...

#8 PeterAllen

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Posted 29 February 2016 - 06:29 PM

Ciao Pietro e Giovanni

 



love the "oilo" on the guage.... I remember seeing that on filler caps on Alfa's....seem to recall seeing " benzina " somewhere on them as well...

 

Ahead of the game.

Oil%20filler%20cap%201s_zpsjvoo05j3.jpg

 

And you forgot Acqua.

Instrument%20panel%207s_zpsib8luyrf.jpg

 

I still need to convert the units.



#9 Cozza

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Posted 29 February 2016 - 08:32 PM

You don't miss a beat do you Peter. Your attention to detail is precise to say the least.

 

I have no idea if it will help in any way but, I have a 280zx steering wheel and shaft you are welcome to.

The wheel would look great in front of those gauges. :)

 

Mick



#10 PeterAllen

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Posted 29 February 2016 - 09:24 PM

... Peter. Your attention to detail is precise to say the least...

 

Most people say I'm a Nal about detail. To be honest I don't know what a Nal is but I smile and thank them anyway.

 

I'll give you a call regarding the 280ZX shaft. Thanks.


Edited by PeterAllen, 29 February 2016 - 09:47 PM.


#11 HS30-H

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Posted 01 March 2016 - 07:10 AM

Ciao Pietro e Giovanni

 

 

Ahead of the game.

Oil%20filler%20cap%201s_zpsjvoo05j3.jpg

 

And you forgot Acqua.

Instrument%20panel%207s_zpsib8luyrf.jpg

 

I still need to convert the units.

 

 Olio due modi?

 

'Olio' è corretto, "Oilo" è sbagliato...



#12 PeterAllen

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Posted 01 March 2016 - 09:03 AM

Grazie Signor Goertz

 

Troppo vecchio, troppo lento, troppo stupido


Edited by PeterAllen, 01 March 2016 - 09:10 AM.


#13 HS30-H

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Posted 01 March 2016 - 10:00 AM

Grazie Signor Goertz

 

Troppo vecchio, troppo lento, troppo stupido

 

Goertz???!!! Che Dio abbia pietà...

 

Forse solo un po' dislessico...?






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