| 摘要 |
FIELD: technological processes. ^ SUBSTANCE: press hammer contains guiding pipes, falling weight, table and platform with supplying channels and cavities of cylinders, in which plungers are installed. Falling weight is arranged in the form of top, medium and bottom platforms. Medium and bottom platforms have cavities with plungers installed in them. As energy resource in press hammer the following substances may be used: liquid, compressed air or explosive mixture that includes oxygen and natural gas. ^ EFFECT: increase of parts manufacturing accuracy; increase of operation life of technological accessories and reduction of vibration and noise. ^ 3 dwg |
