Specifications and Equipment for the Model B Five-Spindle Automatic
Screw Machine Equipped with the Threading Attachment

Model B, Five Spindle, Automatic Screw Machine - Regular Capacity

Regular capacity of feed tubes - 9/16" round, 1/2" hexagon and 3/8" square.
Special feed tubes with feed fingers soldered in can be furnished to take up to 5/8" round, 9/16" hexagon and 7/16" square.
Longest length fed - 3".
Longest length turned - 2 1/2".
Number of changes of spindle speeds - 27
Range of spindle speeds - 500 to 4500 R.P.M.
Number of changes of feeds - 60
Range of feed gears - 0.8 to 18.4 seconds.

Model B, Five Spindle, Automatic Screw Machine - Oversize Capacity

Same equipment as above, but with oversize spindles and feed tubes to take stock up to 13/16" round, 11/16" hexagon and 9/16" square. Special one-piece feed tubes and feed fingers can be furnished to take stock up to 7/8" round, 3/4" hexagon and 19/32" square.

Speeds

Speed of driving shaft - 1500 R.P.M.
Handwheel shaft - 750 R.P.M.
Indexing head, feeding stock, etc. - 2/5 second constant.
When cutting steel, the threading spindle revolves in same direction as the work spindle - at a ratio of 3 to 4 while threading tool is running on to work, and at 3 to 2 while running off.
When threading on brass work, the threading spindle is stopped when tool is running on, but revolves twice the speed of work spindle to run off.
First feed change gear shaft - 200 R.P.M.
Ratio of worm and wheel - 60 to 6.

Size of Equipment

Diameter of circular tools - 2".
Diameter of hole in tool spindle - 3/4".
Outside diameter of tool spindle - 1 3/8".
Least distance between chuck and tool spindle - 2 1/8".
Greatest distance between chuck and tool spindle - 4 13/16".
Diameter of long feed cams - 7 1/2".
Diameter of cross feed cams - 6".
Thickness of cams - 3/8".

Motor Drive

Machine designed for motor drive
(10 H.P., 1,800 R.P.M.)

Floor Space

39" x 177"
Distance from top spindle to floor - 44 1/2"

Dimensions and Weight

Size crate - machine - 5300 lbs.,   112" L,   54" W,  90" H  (with Noisetamer)
Size crate - machine - 4000 lbs.,   112" L,  54" W,   90" H  (without Noisetamer)
Size crate - stock carrier - 225  lbs.,   124" L,  11.5" W,   11.5" H
Size crate - stock carrier cover - 250  lbs.,   102" L,  19" W,  21" H
All dimensions and weights are approximate.

Color

Machine Tool Builder's Association Standard Gray.