Ca-7 type coal picks

This technical specification defines the essential requirements and testing methods for pneumatic rock drills utilized in coal mining operations. It establishes uniform criteria for the mechanical design, dimensional tolerances, and performance characteristics to ensure safety and operational efficiency during extraction processes. The document outlines specific parameters regarding air pressure consumption, impact energy, and durability under typical working conditions. It also addresses the necessary safety features and maintenance guidelines to minimize operational risks for personnel. The standard serves as a reference for manufacturers and users to guarantee consistency in product quality and interoperability within the mining industry. Detailed specifications cover the drill body construction, chucking mechanisms, and air inlet configurations. By adhering to these guidelines, stakeholders can maintain high standards of equipment reliability and functionality in underground environments.