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Inductoheat Ships Billet Heating System, Forging Line

March 14, 2011
Hardware manufacturer installing InductoForge system for multi-diameter, length billets
Inductoheat Inc. reports that recently shipped a single-module, 500-kW / 3-kHz InductoForge® induction-forging system and material handling equipment to an unnamed manufacturer of hardware and hand tools. The machine is designed to heat a wide range of billet diameters and lengths to 2,250ºF: +/- 50ºF.

This forging line begins with a 6,500-lbs capacity automatic bin tipper that deposits carbon steel billets into a rotary feeder, with automatic refill. The rotary feeder feeds billets end to end on a continuous basis, using a start/stop motion sensor, and supplies a pinch-wheel infeed system that delivers billets with precision through the induction coils on heavy-duty skid rails.

The 500-kW / 3-kHz power module supplies two, in-line forging coils and accurately heats the billets to 2,250ºF at a nominal rate of 300 pieces per hour. Process control is enhanced by IHAZ temperature modeling software, which enables advanced temperature control of the billet heating process. IHAZ software makes it possible to customize the billet-temperature profile (Induction Heat Affected Zone) tosuit the operation’s ideal billet-heating specifications. It can also generate the optimum-running parameters and set points for Standby and Rapid Start, which are stored as a recipe in the billet heater's AB Compact Logix PLC and AB PanelView 700+.

After the billets are heated to the ideal temperature profile, they exit the induction coil on a fastextractor conveyor, while the infrared temperature pyrometer activates the over and under accept / reject system.