Examples are:
  • Sand heater/cooler keeps incoming sand at + or - 5 degrees F. This provides high predictability of chemical binder systems.
  • Microprocessor controlled continuous mixer provides tight control of binder/catalyst ratio in mixed sand.
  • Rollover/draw unit enables deep patterns with minimum draft to be drawn from molds without breaking mold surface or pattern. This reduces sand defects.
  • Melting under an argon shield prevents oxidation and slag formation in the molten metal, thereby limiting slag defects in the castings.
  • Chemical analysis is performed with a vacuum spectrometer prior to tapping the furnace. This ensures that metal chemistries are within specification parameters.
  • Ladles are brought up to temperature by a computer-controlled pre-heater. This provides consistent ladle temperature which increases heat loss predictability in the pouring operation.
  • Optimal furnace temperatures are verified by an immersion pyrometer prior to tapping.
  • In-house pattern shop enables rigging refinements to be made quickly and correctly.
  • Heat treating cycles are performed by computer controlled programs and monitored by chart recorders.
process-control
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