boring bar
Americannoun
Etymology
Origin of boring bar
First recorded in 1835–45
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.
An Underwood portable boring bar machine from the 1890s was recently used to bore out one of the locomotive’s cylinders.
From Washington Times • Feb. 20, 2016
Two driving heads are provided, each having a main spindle, but holding the boring bar after the manner of an ordinary lathe, and within each spindle is another capable of longitudinal traverse.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
In the case of the vertical spindle the boring bar may extend down and have journal bearing in a block, or bearing secured to the base plate i.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
The boring bar is counterbalanced by a weight within the frame.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
A boring bar is best driven from both ends.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
