Waxes
description
-what is a wax?
-sources
-types
-microcrystallines
-paraffins,petroleum jelly
-beeswax
-vegetable waxes
-rosins
-modelling wax
-slushing wax
-jewellery and dental
-slab breaking
-basic melting , kettles, pots
-mixtures, hardening and softening
-fire hazards, safety
-water in wax
-colouring
Modelling
strength for ceramic shell
-welding
-flames, tools, fingers
Casting of wax
temperatures for different types of mould
-pour rate,
-venting
-slushing
-idiosyncrasies of moulds
-sprue making, plaster tooling
Fettling
hole filling, cracks
-joint line elimination
Throughout the day, using newly learned skills, students are encouraged to make a number of pieces in wax, one of which they will take through to bronze.