Machinery Lubrication

Machinery Lubrication July - August 2018

Machinery Lubrication magazine published by Noria Corporation

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ML PUBLISHER Mike Ramsey - GROUP PUBLISHER Brett O'Kelley - EDITOR-IN-CHIEF Jason Sowards - SENIOR EDITOR Jim Fitch - TECHNICAL WRITERS Wes Cash - Alejandro Meza - Bennett Fitch - Loren Green - Michael Brown - Garrett Bapp - Devin Jarrett - CREATIVE DIRECTOR Ryan Kiker - GRAPHIC ARTISTS Patrick Clark - Josh Couch - Greg Rex - ADVERTISING SALES Tim Davidson - 800-597-5460, ext. 224 Teresa Dallis - 800-597-5460, ext. 256 MEDIA PRODUCTION COORDINATOR Libby Bahlinger - CORRESPONDENCE You may address articles, case studies, special requests and other correspondence to: Editor-in-Chief MACHINERY LUBRICATION Noria Corporation 1328 E. 43rd Court • Tulsa, Oklahoma 74105 Phone: 918-749-1400 Fax: 918-746-0925 Email address: MACHINERY LUBRICATION Volume 18 - Issue 4 July-August 2018 ( USPS 021-695) is published bimonthly by Noria Corporation, 1328 E. 43rd Court, Tulsa, OK 74105-4124. Periodicals postage paid at Tulsa, OK and additional mailing offices. POSTMASTER: Send address changes and form 3579 to MACHINERY LUBRICATION, P.O. BOX 47702, Plymouth, MN 55447-0401. Canada Post International Publications Mail Product (Canadian Distribution) Publications Mail Agreement #40612608. Send returns (Canada) to BleuChip International, P.O. Box 25542, London, Ontario, N6C 6B2. SUBSCRIBER SERVICES: The publisher reserves the right to accept or reject any subscription. Send subscription orders, change of address and all subscription-related correspondence to: Noria Corporation, P.O. Box 47702, Plymouth, MN 55447. 800-869-6882 or Fax: 866-658-6156. Copyright © 2018 Noria Corporation. Noria, Machinery Lubrication and associated logos are trademarks of Noria Corporation. All rights reserved. Reproduction in whole or in part in any form or medium without express written permission of Noria Corporation is prohibited. Machinery Lubri - cation is an independently produced publication of Noria Corporation. Noria Corporation reserves the right, with respect to submissions, to revise, republish and authorize its readers to use the tips and articles submitted for personal and commercial use. The opinions of those inter - viewed and those who write articles for this magazine are not necessarily shared by Noria Corporation. CONTENT NOTICE: The recommendations and information provided in Machinery Lubrication and its related information properties do not purport to address all of the safety concerns that may exist. It is the respon- sibility of the user to follow appropriate safety and health practices. Further, Noria does not make any representations, warranties, express or implied, regarding the accuracy, completeness or suitability of the information or recommendations provided herewith. Noria shall not be liable for any injuries, loss of profits, business, goodwill, data, interruption of business, nor for incidental or consequential merchantability or fitness of purpose, or damages related to the use of information or recommendations provided. composition. Often missed in the discussion on particle contamination are the ghost riders that lurk in your oil. ese contaminants, which go unnoticed by ma inte- nance staff and unmeasured and unreported by oil anal- ysis labs, need to be exposed and understood. Defining Ghost Riders Today's owners of lubri- c ate d me c h a n ic a l a s se t s wa nt to minimize ma in- tenance and repair costs. C on su mable s l i ke lubri- cants are often targeted for cost reduction. ese days, lubricants are formulated to be increasingly robust and resistant to chemical degra- dation from heat, oxidation and operating conditions. is physical and chemical stabilit y enables fewer oil changes and lowers the cost of lubricant consumption. is is a good thing, but sadly there is a downside to extended oil drains or, in some cases, no oil drains. e longer a lubricant remains in service, the longer it is exposed to particle contamination from a variety of ingression sources. Additionally, most particles that invade a lubricant are very small. Small particles enter more easily than large particles. For instance, for each 10-micron particle that ingresses into the oil, there may be ten 3-micron particles. Figure 1. Small particles can pass unimpeded through a filter.

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