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SG Iron, cast correctly and at the right temperature, is reasonably ductile and will bend not break

http://en.wikipedia.org/wiki/Ductile_iron

Lots of suspension stuff is also done in investment cast stainless, in various alloys

Mark ive been working in steel and stainless for 40 yrs but what would i know ,as some site on the computer tells me im wrong ,time will tell who is correct ,i just hope nobody is hurt in the process,i guess we had better get back on the subject here before these boys think us aussies are fruitloops

gee Mark doesnt this company make cast iron dropped axles ,one of my favourite hates

multiple companies making columns are named in the info sheet, but yes one of them does make axles that I believe are cast

Cast axles are very common in many brands of vehicles, including huge semi's ......nothing wrong with them IF they are made correctly, from the correct grade of casting material (SG Iron for instance)

I personally however run good old Henry Ford forged axles, not because I think they are any better...... I just like them

I think you will find most truck axles are dropped forged or cast steel not cast iron ,i certinly wouldnt use a cast iron axle as when they have an impact they will not bend but break

looks like the same deal enjenjo posted days ago:

http://www.roddingroundtable.com/forums/viewtopic.php?t=12826

certainly is a problem with design and parts.

Franks original post was an LVVTA Bulletin that provided an initial warning

This new link is a full LVVTA infosheet with far more detail and providing binding advise to vehicle certifiers in NZ

Well worth reading and diggesting

It is now out to all Australian ASRF Technical Advisory Committee's, and will be the basis of a new TAC policy shortly

Steering ain't something to save a few bucks on  

gee Mark doesnt this company make cast iron dropped axles ,one of my favourite hates

In Australia they wont let us use Hiem joints ,never figured out why as they are used on lots of other applications even on heave machinery

Because their life is so short on a road going vehicle. They are only satisfactory when used in a very clean environment or replaced frequently.

Thanks mate,nice to see a friendly face here ,i must say ive seen them used on farm machinery for years and not real clean farms too ,seem to last ok there ,I know you have the knowledge so could you explain to us common folk the problem with using these and why the bolts are bending on this blokes front end ,regards,Monte.b

The threads of the bolt is not in shear.  I'm looking closer and it looks like the bolt is only angled what the Hiem joint total movement is. Weird ??

In Australia they wont let us use Hiem joints ,never figured out why as they are used on lots of other applications even on heave machinery

I havnt been on here for a while so i hope you dont mind if i post a reply,dont mean to be rude ,As far as the bolts go id go grade 8 for sure ,i use all grade 8 bolts for everything on the rods ive built ,except the bolts on the seat belts ,our transport dept like us to use grade 5 there ,ive no idea why ,hope to post a bit more in the future ,regards ,Monte,b

Yep i agree grazza,we never agreed to hand our guns in they took them by force and laws ,now only the thugs have the guns and they can do whatever they like to an unarmed population,,check out the crime stats and all gun related ,You yanks keep your bloody guns cause without them evil will overcome .Now as far as NZ goes well most of them are over here so you will be a bit lonely there if you settle there ,that is of course you really like sheep ,thats how we got kiwies ,they bred sheep with poms ,sorry paul ,its  an aussie joke

yep me too ,it was 3deg C here on sunday ,i went back to bed ,even the cat wouldnt go outside ,at least the rain has stopped ,well untill tomorrow that is



















                 

gess carps sometimes you are a bit harse ,im not an execetive like yourself  ,im an old worn out boilermaker ,in new speak thats a metal fabricator ,and i might be a bit dumb on the computer ,however im bloody good at what i do and im proud of it ,so go sit on it          

well i have used a few holden bits in the latest creation ,dont tell anybody but or i might get kicked off the ford forum            

and im mr carps best friend ,hello mate ,i must admit i dont come on here very often and to tell the truth most of us aussies only come here and on hamb when our ozrodders site  is down ,ive noticed this when our site wasnt working ,im not really computer literate however ill try and post here more often if it helps to keep the site open ,im working away most of the time without computer access so i cant get on most weekdays mr carps always enjoys my posts .like i LOVE his toyotoes ,NO not really i LOVE FORDS ,i wonder if this site can put up with some good aussie humour without me getting banned              

Thanks ,your honour,regards ,Monte.b        

Can i get in too,please,regards ,Monte.b

Hey mr carps you will have to speak to ann about that ,regards ,Monte.b        

Ann put my avatar in and it looks really stupid ,something wrong with the photo ,sorry to hyjack the post midnight sun if your mate is anywhere near the gold coast id gladly buy him a beer ,regards ,Monte.b