Most electro-mechanical designs incorporate a lead screw and lead nut.
2.
Lead screws for machines are normally made by lathe.
3.
Some lead screws have multiple " starts ".
4.
The lathe and the lead screw, the chicken and the egg, irriducible complexity.
5.
Example : A CNC vertical mill has a vertical lead screw on the Z-axis.
6.
Pneumatic and hydraulic cylinders, or lead screws can be designed to generate force in both directions.
7.
In contrast, a lathe may position a cutting tool to ?.02 mm using a ball lead screw held by rotating bearings.
8.
But how was the lead screw for the first lathe made ?-- talk ) 18 : 29, 25 July 2011 ( UTC)
9.
Maudslay perfected the slide rest lathe, which could cut machine screws of different thread pitches by using changeable gears between the spindle and the lead screw.
10.
As with a lead screw or ball screw, rotation of the nut results in screw travel, and rotation of the screw results in nut travel.
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