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
In b is carried the boring bar g, having the rack shown. p is a pinion to operate the rack. w is the feed-rod driving the worm h, which drives the worm-wheel i.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
The cannon is attached to the carriage or saddle of the lathe and fed to the boring bar.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
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
Rumford was engaged in superintending the boring of cannon in the military arsenal at Munich, and was struck by the amount of heat produced by the action of the boring bar upon the brass castings.
From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various
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.
