Lead screw correcting lathe and accessories by Armstrong Whitworth and Co

Lead screw correcting lathe and accessories by Armstrong Whitworth and Co, Manchester 1904

Base with 3 jack-screws fitted with wires and junction box for limit switches

Base with 3 jack-screws

Bed with heads and lead screw correcting apparatus complete, sliding carriage; one set of (4) change wheels in place

Bed with heads and lead screw correcting apparatus complete

Pedestal with driving shaft bearing clement's driver and coupling

Pedestal with driving shaft

Pedestal with electric motor and reduction gearbox with coupling

Pedestal with electric motor and reduction gearbox

Pedestal, supposed to be for outboard support of workpiece

Pedestal, supposed to be for outboard support of workpiece

Tank for cutting oil, with cirulating pump and hoses

Tank for cutting oil

Electrical control cabinet

Electrical control cabinet

Micrometer hand wheel and vernier index

Micrometer Hand Wheel and Vernier Index

2 spindles for change gears, one with 2 ring nuts (another spindle in the lathe)

2 spindles for change gears

16 change gears (another 4 in the lathe)

16 change gears (another 4 in the lathe)

Spindle and 2 brackets made up to carry an idle reversing pinion for left-hand threads

Spindle and brackets

5 chucks (another in the lathe). One has a bushing to carry a slender screw. Also 8 chuck screws

5 chucks

Split bearing housing to carry tail of workpieces

Split bearing housing to carry tail of workpieces

Bushes, some composite and some incomplete, all presumed to be associated with /13

Bushes, some composite and some incomplete

Conical centre fitted to a bar

Conical Centre Fitted to a Bar

Half-bushes, some unfinished and one turned but not split, to fit steady saddles on lathe

Half-bushes, some unfinished and one turned but not split

Small half-bushes (many paired) presumably associated with /13, /14 & /16

Small half-bushes

2 plain cast-iron bearing plates for fret of /1 (original) and a madeup roller bearing plate for the 3rd foot of /1 (lacks cover plates), and 3 raising plates

2 Plain Cast-Iron Bearing Plates

Raising plate for pedestal /3

Raising plate for pedestal /3

4 holding-down bolts and washers, probably for /3

4 holding-down bolts and washers, probably for /3

Made-up bracket to fit head end of bed (4 screws are original manufacture)

Made-up bracket

Flange probably from original driving gear (shaft on /3) and four fitted studs stamped up to match, each with 2 nuts

Flange probably from original driving gear (shaft on /3) and four fitted studs stamped up to match

Half-bearing probably associated with pedestal /5

Half-bearing probably associated with pedestal /5

Hanging weight from corrector arm

Hanging weight from corrector arm

Drip can (this is seen in early photos of the machine; the cast iron flange to support it is missing)

Drip can

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Details

Category:
Industrial Metrology
Object Number:
1983-62
type:
lathe
credit:
National Engineering Laboratory