前言我国一般中小型锻工车间还是以锤自由锻和胎模锻为主,近年来出现了以小型快锻液压机代替2吨以上锻锤的趋势,沈阳重型机器厂以机代锤后,在提高产量等方面取得了显著成成效。由于国内小型锻造液压机还没有正常生产 Preface China’s general small and medium-sized forging workshop or free-forging hammer and tire forging-based, in recent years there has been a small fast forging hydraulic machine instead of 2 tons of forging hammer trend, Shenyang Heavy Machinery Factory to machine hammer, the increase Yield and other aspects have achieved remarkable success. As the domestic small forging hydraulic machine has not yet normal production