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对СЧ 2 0和СЧ2 5号铸铁制成的斜楔进行试验和金相学分析提供的结果表明 ,正确地选择斜楔铸铁牌号 (配方热处理方案 ) ,能够使摇枕斜面和侧架磨耗板磨耗量降低到原来的 ～ ,保证货车转向架减振器所有零部件在规定检修期内可靠地运用
Experiments and metallographic analyzes of the wedges made of СЧ 20 and СЧ 25 cast irons provided the results that the correct selection of wedge cast iron grades (formulation heat treatment scheme) reduced the wear on the bolster bevel and on the sideframe wear plates To the original ~, to ensure that all components of the truck bogie shock absorber within the provisions of the reliable maintenance of the period