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Royal token by =Nechtan-Da-Smith:iconNechtan-Da-Smith:

Categories Artisan Crafts > Metal Work

©2009 =Nechtan-Da-Smith
:iconnechtan-da-smith:

Artist's Comments

Just a pewter token mold, I may use one to sand cast a bronze pair.
This is the mold as it sits now. I have had some issues getting it to fill totally. I need to deepen the image on the right half of the mold. In addition, I am adding a few things to both sides to improve usage of the image space and to make the image more pleasing and meaningful to the recipients.

I will post a cast piece here soon as the mold is and again after the additions. I will most definitely post the bronze castings. I have never cast anything this thin in Bronze before so it should be a real learning experiance.



Mold material: East Indian soapstone
Metal: Pewter
Size: 5.8cm x 2.9mm
Image source: SCA Heraldry of the recipients

Comments


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:iconceryk:
~Ceryk May 30, 2009, 11:42:38 PM
Does the metal ruin the mold? Not familiar with this type of casting. I've seen sand molds and as a jeweler I'm familiar with a few other types of casting, but never seen this kind before.
:iconnechtan-da-smith:
=Nechtan-Da-Smith May 31, 2009, 4:00:06 AM
Yes it ruins the mold. It has to be remade every time like a lost wax vestment mold.

Dave

--
If my Hammers singing, my ears are ringing......Speak up!
:iconraptoreye:
~Raptoreye May 31, 2009, 5:54:46 AM
You should not vent out the bottom or sides, instead, run the vents from the bottom and sides around the form and back out the top. You will loose less metal this way.
Also, if you have issues filling the details, you may consider using a roto-casting device. The centripetal force generated by a roto-cast machine forces metal into small crevices that it would not tend to flow into with just the force of gravity alone.
:iconnechtan-da-smith:
=Nechtan-Da-Smith May 31, 2009, 6:18:09 AM
I normally would agree with the venting but I am not losing much in the way of metal through the vents. I am considering a spin cast just to see the results. I normally do vertical vent. These were just to get the pewter to flow. Even pressure casting was insufficient. Spin casting might just do the trick. Many thanks for the insight. Please add if anything comes to mind.

Dave

--
If my Hammers singing, my ears are ringing......Speak up!
:iconnechtan-da-smith:
=Nechtan-Da-Smith Jun 4, 2009, 7:46:32 PM
Ya know I reread your question not half asleep and realized you meant the soapstone mold.pewter and tin don't bother the mold as much as the heating and cooling process. I have not cast silver, gold, or copper based alloys in soap stone yet so I am not able to answer there yet. My apologies for not being more attentive to your question.

--
If my Hammers singing, my ears are ringing......Speak up!
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Details

May 30
474 KB
74.9 KB
600×450

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Camera Data

FUJIFILM
FinePix S5000
1/18 second
F/2.8
7 mm
200
May 25, 2009, 12:13:01 AM

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