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Tag Archives: Harold Hall

Contributing Author Bio: Harold Hall

Briefly my background is: I have lived all my life¬† about 25 miles north of London (UK) Was born in 1933. I started working at the age of 15 as an apprenticeship at an electrical control systems company. They made most of their own high power components so there was a machining portion to the apprenticeship, being my only contact …

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A Simple Rotary Table Without a Worm Drive (Direct Turning)

by Harold Hall Material: Cast Iron Units: (mm) The more usual form of rotary table comprises a round table rotated manually via a worm and wormwheel. For many though, making this type would be too involved, a situation that the table described here seeks to overcome (Photo 1) In simple terms, the worm/wormwheel drive is omitted and the table rotated …

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