Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 344
1387. SCREW MOVEMENT, for the tailstock of a lathe. The spindle moves m a keyslot to prevent turning. The screw has acollar and is shouldered on the outside by thewheel hub. The back end of spindle has athread acting as a nut on the driving screw. … verses around the shaft to be centered.1389. End view. 1388. CENTERINGTOOL. Used for scratch-ing the centre on roundshafting or rods. Theslotted arm E swings onthe spindle A, as it tra- 336 MILL AND FACTORY APPLIANCES.
Mechanical movements
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