The Shaping of Materials | SpringerLink
Abstract. Materials have to be processed into a great variety of shapes in order to make component parts of every type. The shapes required vary enormously, both in size and complexity, ranging from micro-electronic components to large castings and forgings of, perhaps, several hundred tonnes mass (1 tonne = 1000 kg = 1 Mg).
Introduction SHAPING PROCESSES FOR PLASTICS
Microsoft PowerPoint - plastic. 11. Polymer Foam Processing. Polymer Foam – a composite of polymer and gas (air, nitrogen and carbon dioxide) Introduction of gas. mechanical agitation. physical blowing agents. chemical blowing agents. Depending on the amount of gas and processing, open or closed cells.
Гидравлик пресс машин хямд зарна
A hydraulic press machine is a machine that shears, punches, forms, or assembles metal or other material using cutting, shaping, or combination die attached to slides. It is a forging machine driven by a crank connecting rod or a toggle mechanism, a cam mechanism, and a bar mechanism. A mechanical power press is a machine tool used for the pressure …