What is the process of precision casting wax molds?

H2. The following is to explain the process of precision casting wax molds：

H3. 1.process operation:

When repairing any kind of precision casting wax molds, the waxing personnel first make clear which part should be repaired.

Check whether the wax model has bubbles, indentation, deformation and other defects, and when the problem is found, timely inform the paraffin, so as not to cause the batch wax model waste.

Repair mode: to remove the residual flash on the wax models or parting line, use the blade cutting edge along the wax models carefully and gently cut off flash or parting line, two sides for formation of burrs peel to horizontal and vertical peel an oblique cutting, wax models shall not damage, for a small flash may also directly with a soft cloth wipe. Repair of wax mold cavity: there is a large and narrow concave on the wax model, and repair wax is applied to repair the shape. Air bubble repair: all the bubbles on the wax mold must be broken, repaired with repair wax, and the shape should be correct. Flow mark repair: for polishing parts, machined parts, use petroleum jelly to wipe, be careful not to hurt the wax model itself. The finished wax model is blown off with the wind gun and placed in the flat plate according to the process requirements.

H4. 2.Matters needing attention：

Precision casting wax mold surface various defects are fixed, flying edge, parting line is clean.

Check the size and shape according to the process requirement.

When the mold is repaired, the wax model can not be damaged.

The wax should be placed on the plate to keep the table and site clean.

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