特殊鋼の冷間押出しせん孔加工法

概要

論文の詳細を見る
The new method has been successfully applied to the cold forming process of a wide variety of steels, such as construction steel, nitriding steel, special tool steel, bearing steel, and austenitic stainless steel. As lubrication is vital to the success of this method, friction tests were performed utilizing the compression test of a hollow cylinder. Lubricants with low friction coefficient were chosen and then examined by the extrusion method. As to tool material, high carbon chromium tungsten steel, high speed steel, high carbon high chromium steel and cemented carbide were tested. The cemented carbide punch was able to withstand the stress as high as up to 300 kg/mm^2.
社団法人日本機械学会の論文
1957-10-25