MILLING MACHINE OPERATIONS - Historic Naval Ships Association
or vertical to indicate the axis of the milling machine spindle. These machines are also classified as knee-type, ram-type, manufacturing or bed- type, and planer-type milling machines. Most machines have self-contained electric drive motors, coolant systems, variable spindle speeds, and power-operated table feeds. (1) Knee-type Milling Machines. Knee-type milling machines are characterized by ...