core wash

core wash

[′kȯr ‚wäsh]
(materials)
A suspension of fine clay or graphite that is applied to a core in a metal casting to improve that portion's cast surface.
References in periodicals archive ?
The foundry experienced reduced resin requirements and eliminated the requirement for additional mold reinforcement and the use of a mold and core wash. Cleaning times were reduced, in one instance from 50 minutes with sand to 10 minutes with Accucast.
Simple to use, it can be added during the core wash and pulp wash processes to retain cloudiness.
facility, incorporates a large 1900 x 900 mm core box on a vertically parted core machine, a key-core machine, a core dipping station and a core wash drying oven.
A company in Milwaukee needed to dry a zircon-based core wash on sand molds used in the manufacture of large gears.
Do you have a control plan that addresses all core sand properties and verifies through lab testing (loss on ignition, tensile, viscosity for core wash)?
Eck Industries eliminated the core wash, or coating, from the water jacket cores, and the defects stopped appearing.
March 9--Mold and Core Wash Practices, Location TBA.
Wescast worked with Robotec Engineering GmbH, Bad Sackingen, Germany, to integrate the core-setting automation, which begins at the core wash drying oven.
After an extensive evaluation, Gienanth focused on two core handling operations--clipping into the core wash and palletizing finished cores--for its initial automation efforts.
Q: Our foundry uses core wash coatings for cores and molds but we are experiencing inconsistent casting finish.