Transcription of DRILLING MACHINES GENERAL INFORMATION
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DRILLING MACHINES GENERAL INFORMATION
TC 9-524. Chapter 4. DRILLING MACHINES . GENERAL INFORMATION . PURPOSE USES. This chapter contains basic INFORMATION pertaining to DRILLING A DRILLING machine, called a drill press, is used to cut holes MACHINES . A DRILLING machine comes in many shapes and into or through metal, wood, or other materials (Figure 4-1). sizes, from small hand-held power drills to bench mounted DRILLING MACHINES use a DRILLING tool that has cutting edges at and finally floor-mounted models. They can perform its point. This cutting tool is held in the drill press by a chuck operations other than DRILLING , such as countersinking, or Morse taper and is rotated and fed into the work at variable counterboring, reaming, and tapping large or small holes.
Reaming, counterboring, and counter-sinking may require slower speeds than drilling and may not be able to be performed for all materials on these machines. maintenance personnel for repairing and fabricating needed parts: hand-feed or power-feed. Other types of drilling machines, such as the radial drill press. numerically
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