UltrAlloy 6020 lead-free aluminum alloy with "A" rated machinability was developed without lead additions to produce small broken chips and a surface finish. This cold-finished aluminum alloy is for applications requiring machinability and moderate strength. Chipping characteristics, combined with tight dimensional tolerances, provide for faster machine speeds. Applications include master cylinder brake pistons, connectors, transmission valves, and hydraulic parts used in the automotive, aerospace, fluid power, and electronic industries.
Alcoa Engineered Products, Wire, Rod & Bar Div., Box 5300, Massena, NY 13662.
Most machine design engineers will survey existing component manufacturers for standard linear guide products, limiting what they can do with their designs. Using extruded aluminum profile guides can customize machine designs while shrinking the bill of materials.
Practically all electronic devices today contain metals that may
be coming from conflict-ravaged African countries. And political pressures will increasingly influence how these minerals are sourced and used in products.
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