HOUSING CASTING Approximate size:
10.5” X 9.5”

HOUSING, TURBINE FAN
Approximate size:
 7.5” X 3.8”

FAB MTL, HOUSING
 Approximate size:
11.5” X 8.7”

 

WAX PROCESS

The Patterns are made by injecting molten wax into the aluminum tool using a sophisticated wax machine. The machine controls the temperature, flow rate, pressure and dwell time of the wax preset parameter devices. 

Wax Injection Capabilities include:
1EA    17 Ton. Tempcraft injection machine
1EA    12 Ton. Jahnke injection machine
2EA    WP-60A-HH  Wax injection machines
1EA    8 Cylinder wax holding tank
1EA    6 Cylinder wax holding tank.

HOUSING TURBINE FAN
Approximate size: 7” X  4.5”

The wax pattern’s are cleaned and inspected for visual defects, in some cases using borescope to assure cavities are wax free

Finished Assembly

The Pattern’s are “clustered together” on a base to form a “tree” or “mold”. The tree contains the desired parts, gate’s to the part and runners and pouring cup.

The tree  is dipped in slurry, drained and then coated with sand.

Finished Shell

Parts are hung on the conveyor.

Trees are then loaded in a basket for
 “dewax” (Thus ”lostShells are allowed to cool after cast wax process”) The dewax operation is accomplished in a
 large vessel similar to a pressure cooker.

The trees – now called “shell” – are
 loaded into a furnace (kiln) and fired at
 high temperature to cure.

The shells are preheated and molten metal is poured into them. 

Shells are allowed to cool. The shell material is removed and the metal parts are evaluated after cast