A developing program and a theoretical research mode of pneumatic rock drill areprovided. An ordered system for designing pneumatic rock drills is generally discussed, some im-portant criteria of design are made, and ...A developing program and a theoretical research mode of pneumatic rock drill areprovided. An ordered system for designing pneumatic rock drills is generally discussed, some im-portant criteria of design are made, and mathematic models on the theoretical study are estab-lished. As an example of calculation, the rock drill of the type 7655 is taken to show the opera-tion of the mode, and the results obtained are accordant with that of experiment.展开更多
文摘A developing program and a theoretical research mode of pneumatic rock drill areprovided. An ordered system for designing pneumatic rock drills is generally discussed, some im-portant criteria of design are made, and mathematic models on the theoretical study are estab-lished. As an example of calculation, the rock drill of the type 7655 is taken to show the opera-tion of the mode, and the results obtained are accordant with that of experiment.
