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Author Topic: Cutting cast iron  (Read 1930 times)

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Varche

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Cutting cast iron
« on: 09 October 2022, 20:21:20 »
One of our log burners grates broke in half. The model is now obsolete. The best the company could offer is a current model BUT it has two one inch lugs to remove which is my job.

I have a decent Bosch large angle grinder. Will a premium” diamante”? metal cutting disc do the job? Any tips? Wet the job? Oil it?

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Migv6 le Frog Fan

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Re: Cutting cast iron
« Reply #1 on: 09 October 2022, 20:53:32 »
A decent grinder and blade should chop through it easily enough. I was a Fettler / trimmer in a cast iron foundry for several years.
Never needed water or oil to help cut it. Just a decent grinder with the right blade attached.
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Nick W

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Re: Cutting cast iron
« Reply #2 on: 09 October 2022, 20:54:33 »
Basic metal cutting discs will do the job. As always, use the thin ones.


I would probably use a hacksaw......
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Migv6 le Frog Fan

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Re: Cutting cast iron
« Reply #3 on: 09 October 2022, 20:56:02 »
You must be a masochist.  ;D
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Nick W

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Re: Cutting cast iron
« Reply #4 on: 09 October 2022, 21:14:41 »
Quote from: Migv6 le Frog Fan on 09 October 2022, 20:56:02
You must be a masochist.  ;D


For a pair of small lugs? By the time you've found the grinder, changed the disc for a known good one, cut the lugs off, smoothed the cuts and cleaned up all the iron dust, hacksawing them off often looks like a good option. And you won't be snorting black snot for the rest of the day :y
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Varche

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Re: Cutting cast iron
« Reply #5 on: 09 October 2022, 22:43:23 »
No, I will use an angle grinder and protective gear. Got plenty of that.

Thanks.
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Andy B

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Re: Cutting cast iron
« Reply #6 on: 10 October 2022, 08:42:53 »
 .... and you get nice red coloured sparks.

Can you not get your old grate welded back together? Heat it up & use cast rods  :-\
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Varche

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Re: Cutting cast iron
« Reply #7 on: 13 October 2022, 15:30:08 »
Job done. Quite easy thanks.

Fitting it isn’t going to be so easy. Just like the heater matrix on a car, the grate appears to be the first item fitted on the production line. So I have left that for a morning task. Nowadays, I seem to have more energy in a morning.
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Sir Tigger KC

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Re: Cutting cast iron
« Reply #8 on: 13 October 2022, 17:17:32 »
Quote from: Varche on 13 October 2022, 15:30:08
Job done. Quite easy thanks.

Fitting it isn’t going to be so easy. Just like the heater matrix on a car, the grate appears to be the first item fitted on the production line. So I have left that for a morning task. Nowadays, I seem to have more energy in a morning.

I'm the opposite, being somewhat a creature of the night..........  >:D
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Varche

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Re: Cutting cast iron
« Reply #9 on: 13 October 2022, 18:25:56 »
 :o
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Sir Tigger KC

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Re: Cutting cast iron
« Reply #10 on: 13 October 2022, 23:38:17 »
 ;D

More of a night owl than a vampire though.  ::)   :)
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