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. speeds. DRILLING MACHINES may be used to perform other Because the DRILLING MACHINES can perform all of these operations.
spindle, electric motor, and feed mechanism. The head is bolted to the column. The worktable is supported on an arm mounted to the column. The worktable can be adjusted vertically to accommodate different heights of work. or it may be swung completely out of the way. It may be tilted up to 90° in either direction, to allow for long pieces to ...
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