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Very Hot Topic (More than 25 Replies) Casting Problem (Read 13639 times)
Schuetzenmiester
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Re: Casting Problem
Reply #45 - Mar 30th, 2020 at 1:41am
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hepburnman wrote on Mar 29th, 2020 at 7:21pm:

Boiling in water may be the last resort. The potential for rusting scares me.


Don't worry about it.  It will be hot enough the moisture will evaporate.  I was surprised at how quickly hot water from my water heater dried ML barrels. Still blew them out and oiled them for storage.
  

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hepburnman
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Re: Casting Problem
Reply #46 - Mar 30th, 2020 at 9:54am
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Does anyone use never seize on the mould pins that attach it to the mould handles and also surfaces there that contact the mould?

Not sure if this is strictly necessary or if there is a better lube to use.
  
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JLouis
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Re: Casting Problem
Reply #47 - Mar 30th, 2020 at 11:08am
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I use Bee's Wax and I use it sparingly.
  

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squibshot
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Re: Casting Problem
Reply #48 - Mar 30th, 2020 at 1:09pm
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I agree with the beeswax.  The way I do it is to have a small can like a tuna can or pet food can with beeswax in it. Keep it next to your pot so it is soft or slightly melted. Use a wooden toothpick and sparingly touch the pins ensuring no wax gets near the cavity.  You can also apply a dot or two to the sprue plate where it attaches to the mold block. Also to the hinge area of the mold handles if needed.  Pope molds have these areas designated to wax so you can't be too far off.
  
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MartiniBelgian
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Re: Casting Problem
Reply #49 - Mar 30th, 2020 at 1:16pm
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Squibshot, 
he's not referring to the alignment pins, but to the pins that attach the mould to the handles.  Personally, I don't use any lubricant on these, no need to .
  
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bpjack
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Re: Casting Problem
Reply #50 - Mar 30th, 2020 at 1:34pm
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Yep, I bought it.  It may take a month to get here from India though.  This is the only Hoch mold that I have issues with.   

Jack
  

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just a bit of a hoot.
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hepburnman
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Re: Casting Problem
Reply #51 - Mar 30th, 2020 at 2:44pm
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JLouis wrote on Mar 30th, 2020 at 11:08am:
I use Bee's Wax and I use it sparingly.


Good suggestion on the beeswax! I was thinking (maybe overly) that the never seize might be helping to thermally conduct heat away from the mould and into the handles. This does have metal particles in it.

Anyway, good to leave it out, just in case. It does seem to get into other areas on the mould too.  Embarrassed
  
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Schutzenbob
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Re: Casting Problem
Reply #52 - Mar 30th, 2020 at 3:46pm
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Everybody seems to be weighing in here, and I have some comments too. Since I'm basically a scrounger, I've used a bunch of old dirty greasy bullet molds, as well as other old junk. The first step is to disassemble the mold, if you can, and then spray it liberally with Easy-Off Oven Cleaner and let it sit for several hours (you might want to do this outside) and if it's really scummy you might want to do it twice. Step two is to use hot water and a plastic brush to wash it out. Step three is to reassemble the mold and heat it up on the stove to dry it. I find that this works really well. Another point is to use a sharp pencil to remove stuff in the cavity, 'cause the pencil lead won't harm the mold and it might even help.  Wink   PS, this is for iron molds, I'm not sure if it will work for brass or aluminum molds.
« Last Edit: Mar 30th, 2020 at 4:21pm by Schutzenbob »  
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hepburnman
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Re: Casting Problem
Reply #53 - Mar 30th, 2020 at 7:19pm
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Looks like it should fly real well!
  
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MI-shooter
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Re: Casting Problem
Reply #54 - Mar 31st, 2020 at 7:26pm
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BTT minus the part where some of you went way off track. Please keep on subject.

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