新型大吨位下锤头微动式模锻锤液压系统研究

Study on new hydraulic system of die forging hammer in large tonnage with micro-displacement lower hammer head

目前液压锤大部分是液气联合驱动,存在着油气互窜、焖模时间长等缺点,全液压模锻锤很好地弥补了这些不足,是未来锻锤的发展方向。本文介绍了400kJ全液压下锤头微动式模锻锤的设计特点及工作原理及,对其液压系统进行了动态特性分析。

The design characteristics and working displacement lower hammer head have been introduced system have been analyzed. principle of 400kJ die forging hammer with micro- in the text. The dynamic characteristics of its hydraulic