How To Carve Wax For Casting
After allowing a little time for the metal to cool and harden I take the flask and put it in a bucket of water to dissolve the plaster.
How to carve wax for casting. Smaller burrs may be used to grind the shape to closer detail. Carving out a designed shape in your wax. First enlarge one aspect then turn the sample or tube over to trim the opposite side.
Creating a tapered band. Now I sprue up the carved purple wax by joining the blue sprue wax with heat then into the investment powder and cast it using a centrifugal caster. Wax carving is an ancient tradition in jewellery making going back 6000 years.
I will often heat a metal tool over a flame to gently melt a part of it. Then outline the pattern on the ring with a scribe to provide a guidance on where the first cuts are going to be. Texturing the surface of your wax ring.
Because its fairly soft its very easy to carve. There are a few steps you can take to make sure there are no unwanted rough edges on your wax carving before going through the lost wax casting process. Moulds are traditionally made from vulcanised rubber.
Creating faceted edges in wax. Slide a wax ring model or ring tube onto this mandrel and rotate it in opposition to the steel blade. Use a fine file to file the grinding marks away.
The top of the ring is trimmed down into a rough hexagon shape. With vacuum casting you need to leave at least 18 of an inch at the top to aid in the suction during the casting. Move the file on the wax in a direction so as to not cut grooves in the wax from the file.