500°F Gas-Heated Belt Conveyor Oven from Grieve

This oven features an aluminized steel interior and exterior.

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Oven No. 876, a 500°F from Grieve, is a gas-heated belt conveyor oven for drying brass and aluminum parts. Measured at 22"W × 126"D × 15"H, this oven features an aluminized steel interior and exterior, 4" thick insulated walls and two 12" diameter tubeaxial fans, each driven by a ½-HP motor to push/pull air through the cooling zone. A side oven door enables access to the heat chamber.

The workload rides through an 18" long open belt loading zone, 126" long insulated heat zone with recirculated airflow, 6" long open zone, 72" long cooling zone and a 12" long open unloading zone.

350,000 BTU/HR installed in a modulating natural gas burner heat the workspace, while a 3000 cfm, 2-HP recirculating blower furnishes vertical downward airflow to the workload. No. 876 includes a 16"W, B36-24-14 conveyor belt with 3"H flex plate edges, driven by a ⅓-HP motor with variable speed from 1.3 to 26 fpm.

All safety equipment required by IRI, FM and NFPA Standard 86 for gas-heated equipment is incorporated, including a 325 cfm, ⅓-HP powered forced exhauster.

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The Systems View in Automotive Finishes: Essential, but Overlooked - The 38th William Blum Lecture

This article is a re-publication of the 38th William Blum Lecture, presented at the 84th AES Annual Convention in Detroit, Michigan on June 23, 1997.  This lecture reviews a number of works in automotive finishing R&D in which understanding of the overall system was absolutely essential to success, from classical nickel-chromium plating to work in vacuum/electroplated hybrids for plated plastics, electrogalvanized zinc and hard chromium in stamping dies.