FIELD: process of railway wheels production by pressing. SUBSTANCE: method of railway wheels production provides for blank upsetting, spreading and wheel shaping. In process of spreading central mark is formed with thickness equal to 0.17 - 0.33 of upset blank height and with diameter equal to 0.9 - 1.1 of boss hole diameter. Blank shaping is exercised under ratio of semimandrels lower and upper operational parts height being in limits of 0.6 - 0. 8. EFFECT: improved process. 1 dwg
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