Lathe Specifications

Fabrication and Cost

 * Ease and low cost of fabrication is the primary goal, as a high-performance lathe is perhaps the most important tool in a workshop
 * Construction consists of a concrete bed
 * Cost is that of 4 bags of concrete for the bed, chuck, cross slide, and
 * Motor cost is included in LifeTrac infrastructure
 * Motor coupler to lathe shaft is machined
 * Commercial chck is the main cost
 * XY table constitutes a cross slide
 * Tool post is fabricated
 * 2" shaft constitutes a mounting surface for an xy table and for tail stock
 * Feed-through shaft is present, but is only 1 foot deep
 * Cheap 2 15/16" bearing



Specifications

 * 12" lathe
 * 1/1000" accuracy via bearing tolerance and chuck tolerance
 * Heavy duty axial thrust acceptable, as determined by 3" shaft and bearings
 * Radial thrust determined by set screws on 2 bearings, with 2 extra full split collars

=BOM=
 * http://www.thebigbearingstore.com/servlet/the-57/2%22-Pillow-Block-Bearing/Detail