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30th Jan 2018, 02:38 PM #16China
- Join Date
- Dec 2005
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- South Australia
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If the blade is as valuable as you suggest it needs to to be done in Japan buy quality artisans, using these other makers will give you a tourist quality result, if you present any of the quality makers with a copy they will be insulted
and would refuse to deal with you, fitting a valuable sword with low quality fittings makes no sense
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30th Jan 2018, 03:44 PM #17Novice
- Join Date
- Mar 2010
- Location
- Brisbane, Australia
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- 14
It is not my blade and not my choice to make. I am not sure whether it will be used for cutting practice or just mounted for display, I imagine that it would be too risky for cutting practice as he has other blades for that.
My own sword is very new and was made in China by Japanese artisans, it was cheap(ish) and I have no fear of damaging it. The quality is decent, no where near as good as an expensive blade in Japan would be but the fittings are serviceable.
I understand where you are coming from regarding putting new Chinese fittings on a valuable old sword, it would not be my first choice either. I am only involved because I have done a bit of casting and blacksmithing in the past, I am only staying involved because I am more interested in how to make a good cast copy than I am in how the fittings are actually made in China.
It is an interesting problem and regardless of how the fitting goes, I am looking forward to the casting!
Cheers
Mark
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30th Jan 2018, 04:46 PM #18China
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- Dec 2005
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- South Australia
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- 1,657
Ok fair enough, my 2 cents worth is, that lost wax casting would give a very high quality result, I doubt any casting process will give a result that does not require finishing to the final dimention
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31st Jan 2018, 09:22 AM #19Novice
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- Mar 2010
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- Brisbane, Australia
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- 14
Lost wax casting would be great. One of the options I looked at was to 3D scan then 3D print. As I am sure you know there are companies which will 3D print in wax so that a metal object can be made with lost wax casting. The only company I know is Shapeways in the US and not cheap but would be a decent copy.
How would you go about making the mold for lost wax casting? I was thinking a two part mold using plaster bandage but as you say, it would need a bit of finishing to remove any flashing.
Mark
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31st Jan 2018, 04:01 PM #20China
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- Dec 2005
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- South Australia
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- 1,657
The finished casting will need to be a exact replica or the parts will not fit the original, I would take silicone molds form the original sword, this would require some type of container to hold the silicone, once to have this you can then
produce a wax casting, then in turn create the plaster mold using the wax casting. You would need to coat the original sword with some type of release to prevent it adhering to the silicone.
This sounds complicated and involved, however it is a well used method to create copies of valuable objects for display purposes with out damaging the original.
Problems I can see with some thing this size is locating a burnout kiln large enough.
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1st Feb 2018, 10:20 AM #21Novice
- Join Date
- Mar 2010
- Location
- Brisbane, Australia
- Posts
- 14
Thanks, I will look into lost wax casting and see if there is anyone able to take a look at that idea.
Mark
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