Hi Is there anyone who can look at these images and figure out what is causing the casting defects? It is lost wax cast with vacuum. I have been having the same problem since a long time and haven't been able to find a solution. Tried talking to a lot of casting equipment manufacturers and wax and powder manufacturers. Nothing yet. Or if you can point me in a direction where I might find the solution, that would be helpful too.
Joined: Fri Jun 25, 2010 12:04 am Posts: 257 Location: Idaho
In order to be of any possible help:
What is the metal/alloy you are using?
Size of model, material (wax/printed resin), sprue setup?
Investment procedure?
Burnout process?
Flask temperature and metal temp for casting?
Also, a picture of the raw casting (with sprue and button still attached), and a front picture to get more of a feel for the geometry would be of help.
Allan
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