After finishing wax models, need to wax tree, can further operation.Kinds of wax tree is to make a good wax models according to certain order, with welding unit along the circumferential direction in layered ground welding on a stick of wax, make up a shape resembling a tree of wax tree, then wax tree to filling and gypsum etc.Kinds of wax tree, are basic requirements of the wax models to an orderly, the key is not contact between wax models, both to maintain a certain gap, and can be as often as possible will wax wax mold welding in the tree, that is, a wax tree to "a" on the highest number of wax pattern, already meet the needs of the mass production.