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Cast iron welding

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Ian_B

Post subject: Cast iron welding

Posted: Sat Jun 11, 2016 2:15 pm

998cc

Joined: Wed Jul 02, 2014 11:38 am
Posts: 508

I have a block that has suffered damage to one of the locating stud holes to gearbox.
Accident damage.
It needs a copper round insert to be made to weld with what I think are these
gemini 98 welding rod for cast iron.
There is still half a hole there .Should I even bother.
Thanks Ian

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peterb

Post subject: Re: Cast iron welding

Posted: Sat Jun 11, 2016 4:02 pm

1098cc

Joined: Sat Jul 23, 2011 8:17 am
Posts: 1964
Location: san remo nsw

Can you drill and tap it further in?

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drmini in aust

Post subject: Re: Cast iron welding

Posted: Sat Jun 11, 2016 5:24 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39750
Location: near Baulkham Hills, NSW

I would weld the boss up solid with castcraft 100 (100% nickel) electrode then re-machine the hole on the mill.
The nickel deposit is fully machinable.

_________________
DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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Ian_B

Post subject: Re: Cast iron welding

Posted: Sun Jun 12, 2016 10:26 am

998cc

Joined: Wed Jul 02, 2014 11:38 am
Posts: 508

Thankyou

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