shakeout

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shakeout

[′shāk‚au̇t]
(metallurgy)
Removing a casting from a sand mold.
References in periodicals archive ?
In the majority of foundries where casting shakeout occurs as soon as castings are removed from the mold, sand removal provides an opportunity to improve and shorten casting cooling rates and maintain consistent molding sand quantity and quality.
The necessity of a shakeout immediately at the start of processing in the cleaning area is important because it removes the majority of core and molding sand from the casting when removal is easiest.
There are other benefits of the initial shakeout. It removes some fins, sprues and runners that break off and it also reduces contamination of sand with shot in the shotblast equipment, cutting wear on the shotblast wheel vanes, cups, blast liners and blast dust collection systems.
The vibrating drum achieves exceptional operating efficiency and end product consistency for a number of applications including shakeout, lump reduction, blending, separation, agglomeration and many more.--General Kinematics Corp.
Typical applications include shakeout, shotblasting, riser removal, sorting and grinding.--Lamberton Robotics, Ltd.
In our view, 1990 will not be as bad as many now fear, but will nonetheless return us to the days of "economic vulnerability", a time when talk of shakeout and recession is strong.
The installation of the sand shakeout, shot blast and shot shakeout provides more casting travel time over vibrating conveyors and shakeouts, which reduces oveall casting sand retention.
The basic operations required to clean and finish a casting generally include the removal of core and molding sand, as well the gates, risers, runners and fins not removed during shakeout. Scale, caused by carbonaceous materials such as seacoal or mold and core washes, as well as scale caused by heat treating and stress relieving operations, must be removed.
In general, castings should be processed through shakeout, shot blast and automatic grinding before performing any manual operations.
A fairly recent innovation in shakeouts is the Rotary Media Drum.
Finally, shakeouts should be capable of handling unpoured molds.
Usually referred to as shakeout, a well-planned and designed system can improve overall productivity and reduce cleaning and finishing operations.