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 ?
Now, in partnership with Ecolab, we are leading innovation in our core wash process, allowing us to provide safe, high-quality products and services that healthcare providers and patients expect and deserve.
Simple to use, it can be added during the core wash and pulp wash processes to retain cloudiness.
Eck Industries eliminated the core wash, or coating, from the water jacket cores, and the defects stopped appearing.
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.
The cores begin to degrade as moisture accumulates on or is absorbed into the core or core wash coating.
improved core wash resistance-- dipped core strength is higher than 1 min out-of-box core strength;
A water-based graphite core wash is used on 5% of Benton's jobs--only those that require special attention.
Conventional System Tensile Measurement (time) New System (psi) PUCB (psi) Immediate (30 sec) 150-230 140-240 5 min 230-400 220-350 1 hr 260-450 250-380 24 hr 300-550 300-450 24 hr @ 90% RH 130-290 100-300 Hot core wash 80-150 50-120 Cold core wash 200-500 200-450 Sand type: 55 AFS silica sand Catalyst: Dimethylethylamine (DMEA) Binder level: 1.