EuroWire May 2015

News Technology

850°F gas-heated oven

No. 791 is a gas-heated, two-zone belt conveyor oven from Grieve, currently used to stress relieve heavy-duty steel springs. This unit has a maximum operating temperature of 850°F and workspace dimensions of 48" W x 360" L x 15" H. The conveyor includes a 4ft-long open belt loading zone, 2ft-long insulated unheated entrance vestibule, two 15ft-long insulated heating zones with independent re-circulated airflow and temperature controls, 2ft-long insulated unheated exit vestibule and 3½ft-long open unloading zone. Heat is provided by 1,600,000 BTU/ HR installed in two modulating natural gas burners. Two 10,000 CFM, 7½ HP recirculating blowers provide vertical downward airflow over the workload. All safety devices required by IRI, FM and NFPA Standard 86 for gas-heated equipment are included on this Grieve

oven, which also features a two-pen, 10" diameter circular chart recorder. Other construction features on No. 791 comprise a 42"-wide, 1" x 1/2" flatwire conveyor belt with 1/3 HP motor drive, variable speed from 5.8 to 16.1" per ▲ ▲ The unit has a maximum operating temperature of 850°F

minute, 7" insulated walls throughout, a Type 304, 2B finish stainless steel interior and an exhaust hood over each end of the oven, equipped with a 12" diameter fan. Grieve Corporation – USA Website : www.grievecorp.com

Sylvin Technologies manufactures flexible vinyl compounds for the wire and cable and electrical markets that satisfy customers’ performance, sustainability and regulatory goals. Product features include the new 7844 series of electrical moulding compounds, which are approved to UL-94 with an HB flame rating and are compliant with California Proposition 65. The 5409-92 compound is 125°C rated and suitable for SAEJ1127 and 1128 automotive wires. This material provides oil and grease resistance and increased low temperature flexibility. Sylvin also has innovative bio-based compounds including the 6240-80 compound, which is non-phthalate and environmentally focused. Flexible compounds from Sylvin

of general purpose flexible vinyl compounds. Sylvin’s diverse product portfolio for the wire and cable and electrical markets includes RoHS, REACH and Prop 65 compliant compounds. Several grades are UL and CSA recognised and numerous speciality grades have been developed for enhanced conductive properties, flame and oil resistance and improved low temperature flexibility. Sylvin’s on-site technical experts have developed custom formulations for a variety of wire and cable and electrical applications including automotive wire, speaker wire, battery terminal covers, blasting wire, booster cable, moulded cable assemblies and electrical connectors.

Sylvin Technologies Inc – USA Website : www.sylvin.com

Bio-based products offer the same performance advantages

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May 2015