Disamatic Molding Explained

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Disamatic Molding Explained % {2 ]6 @* b  b5 O3 t

Currently, all Metal Technologies foundries utilize Disamatic Molding Machines to produce molds for our castings. Disamatics offer a highly efficient means of rapidly and automatically creating a string of flaskless molds. These molds are built for vertical casting and are created in a vertical molding environment. For an explanation of the process, read through the text below and click on the thumbnail images to see illustrations. & n# k; j" ~, s, C1 z0 fStep 1. Sand is blown into the Molding Chamber from above. ) d" r2 |1 |; X6 L  KStep 2. The Ram advances, pushing the Ram Pattern. This compresses the sand in the Molding Chamber to form mold impressions.    : s" X  o& f8 s9 O8 J# ?Step 2. (cont) The compression creates opposite halves of consecutive molds to placed in the mold string. Step 2. (cont) Castings cannot be formed using a single mold, but when a new mold is placed in the mold string, its leading edge meets the trailing edge of the previous mold to create a completed mold cavity. 1 G3 S, s' v; Z8 M0 P# \0 [, O   Step 3. The Swing Pattern moves back and up to allow the mold to exit the Molding Chamber. 4 t! N  g+ e& U   7 v$ R* C& y; `5 `5 Z! bStep 4. The Ram extends, pushing the new mold into the existing mold string. ' c0 @' r& z8 r   $ O6 N- G9 U2 y! I5 bStep 5. The Ram and Swing patterns return to their original position to begin the process again. : [: D8 T% ~  g7 c, d# RStep 6. Sand is blown into the Molding Chamber for the next mold. A little further down the mold string, iron is poured into the top of a formed mold via the pouring sprue left by the pattern impressions.