| 摘要 |
<p>In order to increase maintenance-free service life of the water jet cutting plant, the plungers (4) of pressure amplifier used in a water jet cutting plant, are made of the aluminium alloy Alumold compising: Si - 0,2%, Fe - 0,3%, Cu - 2,6%, Mn - 0,15%, Mg - from 1,8 to 2,6%, Cr - 0,1%, Zn - 7,6%, Ti - 0,06%, Zr - from 0,1 to 0,25%, Al - the remainder up to 100% .</p> |
