Milling Machine parts

It is the houses the spindle, the bearings, the gear box, the clutches, the shafts, the pumps, and the shifting mechanisms for transmitting power from the electric motor to the spindle at a selected speed.

• Table

• Knee

• Arbor

• Column

It consists of two slideways, one on the top and one at the bottom located at 90º to each other, for providing motions in the X or Y axes by means of lead screws.

• Saddle

• Column

• Base

• Knee

It holds the tool and provides the actual tool rotation.

• Tabla

• Spindle

• Motor

• Arbor

It is used to change the spindle R.P.M. setting. This type of machine has a geared head so the spindle speed can only be changed when the spindle is stopped.

• Spindle clutch lever

• Spindle speed selection lever

• Feed rate selection lever

• Motor start and stop buttons

It engages the spindle clutch to the motor. By manipulating the spindle clutch lever the operator can start and stop the spindle.

• Spindle speed selection lever

• Spindle reverse lever

• Feed rate selection lever

• Spindle clutch lever

The position of this lever determines the spindle direction. The three positions of the handle are; In, Middle, and Out. The middle position is the neutral position.

• feed rate selection lever

• Spindle speed selection lever

• Spindle reverse lever

• motor start and stop buttons

The milling head, base and ram are the difference between horizontal and vertical milling machines?

• Yes

• No

The ___________________________ consisting the spindle, the motor, and the feed control unit is mounted on a swivel base such that it can be set at any angle to the table.

The _____________ on which the milling head is attached can be positioned forward and backward along the slideway on the top of the column.

Most of the milling machine are constructed of “column and knee” structure

• True

• No