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live centre

British  
/ laɪv /

noun

  1. a conically pointed rod mounted in the headstock of a lathe that locates and turns with the workpiece Compare dead centre

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If the live centre does not run true the following difficulties are met with.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

But even in this case the weight of the work will aid to spring it, and relieve it from contact with the live centre.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

The lathe centres should, for parallel work, stand axially true one with the other, and this can only be the case when the live centre runs true.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Boring Tapers with a Boring Bar or Attachment.—In cases where the degree of taper is very great a live centre may be bolted to a chuck plate, as in Fig.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Another method employed on small lathes is to drill a hole through the live spindle to receive a taper pin p, the live centre end being shown at c.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

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