mold shift

mold shift

[′mōld ‚shift]
(metallurgy)
The mismatch of mold halves at the parting line, resulting in a casting defect.
References in periodicals archive ?
To compete with its diecasting competitors in England, Europe and South Africa, Riverside must keep mold shift to 0.
Brantford, Ontario, Canada, the world's largest manufacturer of exhaust manifolds for passenger cars and light trucks, was experiencing mold shift on their existing molding machines at its Wingham, Ontario, Canada facility.
The variable squeeze pressures allow for the production of harder molds, and the machine incorporates new technology in the squeeze station to reduce mold shift.
In green sand casting, one big thing we look at is eliminating mold shift.
The machine also incorporates new technology in the squeeze station to reduce mold shift.
Summit Indexing Mold Handlers promote gentle mold movement without mold shift through the use of Hydro Proportional Valves and oversize Shock Absorbers to decelerate moving molds.
One of the keys to the mold handling system is its ability during indexing to promote gentle mold movement without mold shift through the use of hydraulic shock absorbers and ultra high density polyurethane.
The system has allowed the foundry to achieve more than a 90 mold hardness consistently across the cope and drag, improving the casting finish, according to Grenier, who added that the foundry has seen no mold shift on the system, leading to the better quality finish necessary for the firefighting equipment castings it produces.
The type of closure device and lineup system is critical to keep from knocking sand into the mold, crushing cores, preventing runouts and minimizing mold shift.
To prevent casting defects due to mold shift and core crush, it was found that the pins and bushings should be replaced at or before this point is reached.