guide rod

guide rod

[′gīd ‚räd]
(mining engineering)
A heavy drill rod coupled to and having the same diameter as a core barrel on which it is used; gives additional rigidity to the core barrel and helps to prevent deflection of the borehole. Also known as core barrel rod; oversize rod.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Other features include a 5" barrel with a full-length guide rod, an ambi thumb safety, a series 70 firing system, a beveled magazine well, a skeletonized hammer and trigger, a beavertail grip safety and more.
Features of the pistol include a 5-inch barrel with a full length guide rod, an extended, ambidextrous thumb safety, beveled mag well, skeletonized hammer and trigger and extended beavertail grip safety.
Loosen and remove the screw from the scope base rib that is directly over the rear of the slide (rear most screw of the scope base rib.) Unscrew the barrel mounting set screw just enough so that you can remove the barrel by tipping the breech end up and working it out of the receiver while clearing the recoil guide rod spring (rod) that is protruding from the face of the slide.
The remaining part has been attached to an operating rod that goes forward above the barrel, inside which is the guide rod and spring.
The 10mm version of the SR1911 features a full-length guide rod. Some people will be pleased by this, some will not, but the fact is it does add a bit of weight out front.
What Are the Pros and Cons of a Full-Length Recoil Spring Guide Rod in a Model 1911?
A lightweight heater and guide rod latching system eliminate the need to manually hold the heater in place during overhead fusions, reducing operator fatigue.
All models feature a high-ride beavertail grip safety, extended magazine release, beveled magazine well, aluminum trigger with an over-travel stop, stainless steel full-length guide rod, extended thumb safety, enlarged ejection port and double-diamond-checkered wood grip.
The workpiece is placed under the drill chuck and positioned so this guide rod can be lowered with no binding into the existing hole.
IT ALSO HAS AN EXPANSION GUIDE ROD THAT ALLOWS FOR FUEL EXPANSION.
A flexible guide rod attached to the front of the first rod was used to help ensure the smooth installation of rods.
A guide rod sheared off from a test probe, and the oil-filled box exploded when the rod touched the power supply.