- #Atlas lathe motor manuals
- #Atlas lathe motor serial number
- #Atlas lathe motor archive
- #Atlas lathe motor series
After 1958 the headstock and spindle were shortened by approximately one-inch and the spindle nose made more secure by the use of a 10 t.p.i. Very occasionally an example of the lathe is found with a 3-step headstock pulley - together with a commensurately wider A-section (1/2") V-belt - and it is thought that these might have been WW2 specials, constructed either for heavier-duty work or made to match a contract specification from the military or Government. If the motor pulley is missing (it's a pressure die-casting and relatively fragile) the larger diameter was 33/16" and the smaller 111/16". On the few examples to make it to Europe these speeds were somewhat reduced by the 50 Hz, 1425 r.p.m. The spindle carried a 4-step pulley, driven by 2-step pulleys on motor and countershaft - a combination that gave a remarkably wide range of 16 speeds between approximately r.p.m.
nose could this have a been a sort-run batch for some specific task, possibly production and originally fitted with a capstan unit ?ĭrive on all models was by proper, full-size V-belts, Z-section (about 0.4" or 10 mm across the top) on both motor and headstock drives.
#Atlas lathe motor serial number
However, one example of the lathe, Serial Number 1006, has been found with a most unusual fitting, a spindle with a 1.25" x 14 t.p.i. thread (later 1" x 10 t.p.i.), was fitted with a 60-hole indexing ring on the face of the backgear bullwheel and ran in Timken taper-roller bearings with part numbers: 07079 left bearing, 07100 right bearing and 07196 for the two bearing cups. 2 Morse taper, 17/32" bore headstock spindle had a 1" x 8 t.p.i. However, despite its modest price, it was offered with a wide range of useful accessories and enjoyed a number of desirable features: the No. Like all Atlas lathes, the 6-inch was mass produced, with costs kept down by the use of parts in Zamak - a pressure die-cast metal.
#Atlas lathe motor series
2 countershaft with the swing-head hanging down backwards and the V belt passing between the uprights.Īs few appear on the used market, the number of early versions produced must have been limited and later machines (commonly seen as Craftsman Series 101.73**) are much more frequently encountered.
However, it was made for one year only before being replaced by the much better specified 101.07301-as listed in the post 1938 catalogs shown hereĪtlas 6" x 18" (3" centre height) - 1941 version with the taller, Mk. spindle thread, a headstock that lacked backearing and a countershaft unit and belt-tensioning arrangements of a very elementary, lightweight design, was sold at the very competitive price of $42. This initial Craftsman model, which carried an inadequate 3/4" x 16 t.p.i. Enormously popular in America - it was affordable and with a specification that allowed it to undertake the majority of jobs likely to be encountered in a home workshop - its likely that the lathe made its first appearance not as an Atlas but badged for the mail-order company Sears,Roebuck under their Craftsman identification tab as the 101.07300. Styled to closely resemble its larger brother, the " 10-inch", the Atlas 'Model 618' 6" x 18" (3.5" centre height) backgeared and screwcutting lathe was in production from 1936 until 1974 and then, in Mk. 1 PhotographsĪtlas 9, 10 & 12-inch Lathes Atlas Milling Machine Atlas ShaperĪ complete Data Pack is available for the Atlas 6-inch lathe 1 6-inch Ītlas 6-inch Lathe Accessories Atlas Mk.
#Atlas lathe motor manuals
Machine Tool Manuals Catalogues Belts Books AccessoriesĪtlas Mk.
#Atlas lathe motor archive
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