In this study, the fracture of piston for rock drill produced from case hardening steel is investigated. In order to study the causes of the fracture, specimens prepared from the damaged pistons were subject.
[pdf] Laser cutting is a widely used laser processing technology globally. Its use dates back to the 1970s when it was first used for cutting purposes. The rise and popularity of third-generation laser technology in.
[pdf] Due to the growing need for the compressed air of higher quality, the water-lubricated twin-screw compressor with water as the only liquid in the compressor has drawn much attention to produce clean air a.
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