5 Terms
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Milling machines
A cutting machine that removes material by feeding a workpiece past a rotating multi-tooth cutter to produce a flat, angular, or curved surface.
Industry: Industrial machinery
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Milling machines
tommy bars
Industrial machinery; Milling machines
Round steel bars used to tighten and loosen chucks and other spindle accessories. Sometimes called spindle bars.
morse arbor
Industrial machinery; Milling machines
The arbor screws into the back of the drill chuck so it can be used in the headstock. It is held in place in the #1 Morse taper with the drawbolt.
drawbolt
Industrial machinery; Milling machines
Goes through the hole in the spindle to draw chucks and other accessories into the headstock taper inside the spindle. A special washer locates in on center in the spindle hole.
mill base
Industrial machinery; Milling machines
The solid base that has the dovetail for the saddle to move in and out on and to which the mill column is attached.
gibs
Industrial machinery; Milling machines
Tapered plastic gibs are used on each dovetailed axis to take up wear as it occurs. They are slightly wedge shaped. As side-to-side "slop" develops on an axis, the gib lock is loosened and the gib is ...
leadscrew locking lever
Industrial machinery; Milling machines
Located on the back side of the vertical column, this locking lever locks against the saddle nut to prevent unwanted movement of the Z-axis during machining operations. Manual machines are fitted ...
leadscrew
Industrial machinery; Milling machines
The threaded screws that move the table left/right and in/out as well as the vertical axis up and down. They are driven by handwheels marked in. 001" or. 01 mm increments.
