The Maintenance Of Extrusion Presses With Specific Reference To Press Tooling
Paul Robbins, Castool Tooling Solutions and Roger A.P. Fielding and Dr. Veikko I. Johannes, Benchmarks
Track: EXTRUSION EQUIPMENT - Presses
ABSTRACT --- The interest on money borrowed to finance the purchase of extrusion
presses and their ancillary equipment is paid 24 hour a day, 365 days a year. The
performance of the press maintenance activities is measured by the availability of the
presses. The benchmark is to have the presses operating all the time. Since the
output from the press defines the throughput of the extrusion plant, the cost per
operating hour of the presses can be expressed as the total plant operating expense
divided by the time the press is producing extrusions. This is also the true cost of
unplanned downtime. This paper discusses design, operating and maintenance
issues associated with extrusion press tooling.
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