Rolling ingot casting with less edge trim

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LHC™ Rolling Ingot Casting Technology

The Wagstaff® LHC™ Low Head Composite Rolling Ingot Casting Technology was developed to improve ingot quality and recoveries. The high quality ingots produced with LHC molds yield significant savings in scalping and edge trimming operations. LHC also allows increased casting speeds and significant reductions in lubricant consumption compared to conventional DC casting.

In today’s environmentally conscious world, LHC molds can lower plant operating costs as there is very little oil to clean from the water system. LHC molds are available with fixed dimensions for precise ingot dimensions, and also as VariMold™, which allows aluminum producers to cast high quality ingot in a variety of widths with a single mold.  Additionally, tests have shown head and butt crop reductions of up to 50% vs. EMC due to improved butt geometry.

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  • Superior ingot surface
  • Increased mold life
  • Curl reduction reduces bleedouts at cast start, creating safer start conditions and limiting operator intervention
  • No peripheral curl reduction technology is required, such as pulse water or CO2 injection
  • Most common alloys can be cast through the same mold, with one mold set-up

Lessens environmental impact:

  • A maximum of 0.3 milliliters of oil are needed per metric ton of aluminum cast, so no oil supply system is required and water treatment systems may not be required
  • LHC technology generates less scrap

Edge Trim Reduced

Edge trim of 5182 from the same rolling mill of the same size comparing material cast in Super Tru-Slot molds (left) with material cast in LHC molds (right)

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Wagstaff, Inc.
3910 North Flora Road
Spokane Valley, WA 99216 USA
Phone: 1(509) 922-1404
Fax: 1(509) 924-0241

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