Lead screw correcting lathe and accessories by Armstrong Whitworth and Co
- Made:
- 1904 in Manchester
Lead screw correcting lathe and accessories by Armstrong Whitworth and Co, Manchester 1904
Bed with heads and lead screw correcting apparatus complete
Pedestal with driving shaft
Pedestal with electric motor and reduction gearbox
Pedestal, supposed to be for outboard support of workpiece
Tank for cutting oil
Electrical control cabinet
Micrometer hand wheel and vernier index
2 spindles for change gears
16 change gears (another 4 in the lathe)
Spindle and brackets
5 chucks
Split bearing housing to carry tail of workpieces
Bushes, some composite and some incomplete
Conical centre fitted to a bar
Half-bushes, some unfinished and one turned but not split
Small half-bushes (many paired) presumably associated with /13
2 plain cast-iron bearing plates
Raising plate for pedestal /3
4 holding-down bolts and washers, probably for /3
Made-up bracket
Flange probably from original driving gear (shaft on /3) and four fitted studs stamped up to match
Half-bearing probably associated with pedestal /5
Hanging weight from corrector arm
Drip can
2 pins for Clement's driver
Winch for tool slide
Eight spanners and keys.
Made-up 3 point support probably for microscope
2 mercury-filled limit switches
An apparently unfinished bearing housing
Various bolts etc and other small items
Electrical-switch box
2 single-start screws and a 2-start screw
Light-alloy cover for change gears
Pitch tie up attachment to hold gauge to check screw pitch dimensions before and after screw reversal
Microscope for lead screw correcting lathe with goniomic objective and a brass protractor and vernier
Screw pitch drunkenness testing instrument.
Screw pitch drunkenness demonstration specimen
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Details
- Category:
- Industrial Metrology
- Object Number:
- 1983-62
- type:
- lathe
- credit:
- National Engineering Laboratory
