The Plastic and rubber Industry is constantly looking for alternatifve methods.
Processes and material to maintain economical production levels. Considerable interest is being shown in possibility of reducing the cost resulting from tooling as well as in The benefical use of row material properties.
Using The technology derived from air craft, space laboratory and armored vehicle field, the aluminum industri has developed a wrought aluminum plate spicifically designed for plastic and rubber moulding tool.
This plate has been use with Great succes in continental Europa, especially in Germany, and Italy, also Usa.
The alloy has a carefully controlled composition in AlZnMgCu type range and is manufactured under strigent condition.
This alloy is New but now is available to plastic and rubber industri.
General Aluminum Alloy Characteristics
Wrought / Cast Differences
Wrought plate results from hot rolling a cast slab that, after streching and various heat treatments, becames a homogeneous, stres relieved product with a 600 % improvement in properly levels over The cast original. It is produced to good flatness standarts, is from porossity and contains no inclutions or casting defects.
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Machinability
The cutting speeds for machining of aluminum are considerably higher than for steel, and tool edges are subject to less wear. Over a period of time It is possible to improve output ; ptoduction times are shoter and better utilazation of machine tools that have been installed relatively. Esier and faster tool change is possible, and from practical observations It can be Said that the.
Copper-berillium can also be coated by merana of thermal spraying. For this purpose copper and aluminum bronze are primarily available as hardeners.
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