Citations with the tag: SERVICE life (Engineering)
Results 51 - 100
- Getting up to speed with wrap-spring clutch/brakes.
// Machine Design; 1/25/2007, Vol. 79 Issue 2, p52
The article focuses on the functions of wrap-spring clutch/brakes. Such equipment are suitable for machines that operate several times during a single revolution. Wrap-spring clutch/brakes provide better positioning accuracy and braking capability compared to single-revolution clutches. The...
- Lubrication helps keep hydraulic components in balance.
// Hydraulics & Pneumatics; Feb2012, Vol. 65 Issue 2, p36
The article discusses the need to understand the relationship between hydrostatic balance and hydrodynamic lubrication in order to maintain long hydraulic component life. Ensuring that internal sliding parts are adequately lubricated in order to minimize friction and wear is the key to...
- ACTIVE VIBRATION ISOLATION OF ELECTRONIC COMPONENTS BY PIEZOCOMPOSITE CLAMPED-CLAMPED BEAM.
Meyer, Y.; Collet, M. // Noise & Vibration Bulletin; May2011, p124
The sensitive electronic components used in military and aerospace applications endure some intense vibrations. These vibrations have some disturbing effects on the stability and on the service life of these devices. So, protecting these elements becomes a major economic and strategic...
- Turbo-Charged Abrasive Machining Offers Uniformity, Consistency.
Massarsky, Michael; Davidson, David // Products Finishing; Jun2012, Vol. 76 Issue 9, p24
The article discusses the Turbo-Charged Abrasive Machining (TAM) method which is useful for final machining and finishing of larger complex rotating components. It highlights various turbo finish parameters including part rational speed, part positioning and abrasive grain velocity within...
- Shut-off device for well-head equipment.
Arifulin, R.; Kashtanov, I.; Antonov, N. // Chemical & Petroleum Engineering; Jan2012, Vol. 48 Issue 1/2, p35
Today, a large number of direct-flow gate valves with a single slide plate are used in the petroleum industry, and, in particular, for oil and gas recovery. Moreover, the service life of well-head equipment in Russia may attain many tens of years. In this respect, modernization of these gate...
- Experimental analysis of the effect of some compaction methods on mechanical properties and durability of cement stabilized soil.
Kenai, S.; Bahar, R.; Benazzoug, M. // Journal of Materials Science; Nov2006, Vol. 41 Issue 21, p6956
Cement stabilized soil is usually compacted by different mechanical methods to increase its strength and durability. This paper summarizes the results of an experimental study on the effect of different compaction methods on the performance of stabilized soil. The compaction methods investigated...
- Impact of lifetime on US residential building LCA results.
Aktas, Can; Bilec, Melissa // International Journal of Life Cycle Assessment; Mar2012, Vol. 17 Issue 3, p337
Purpose: Many life cycle assessment (LCA) studies do not adequately address the actual lifetime of buildings and building products, but rather assume a typical value. The goal of this study was to determine the impact of lifetime on residential building LCA results. Including accurate lifetime...
- Preparation of fast-drying waterborne nano-complex traffic-marking paint.
Sun, Daoxing; Zhang, Yiheng // Journal of Coatings Technology & Research; Mar2012, Vol. 9 Issue 2, p151
The main aim of this research is to prepare environmentally friendly waterborne traffic-marking paint, which has fast dry, wear resistance, and long-term durability. The crosslinkable monomers are selected to co-polymerize with acrylate, then a core/shell latex with hard core and soft shell is...
- AGGRESSIVENESS OF THE CURRENT ROMANIAN ATMOSPHERIC ENVIRONMENT ON ANTICORROSIVE AND FINISHING COATINGS.
POPA, Irina; VASILE, Vasilica // Constructii; 2012, Vol. 13 Issue 2, p3
The paper deals with the climate changes on the Romanian territory in the last 15-20 years, with particular remarks on the effects of these changes, generally on buildings, but especially on anticorrosive and finishing coatings. A few approaches were mentioned, related to the impact of climate...
- Top 10 Ways to Maximize Crucible Service Life.
POPA, Irina; VASILE, Vasilica // Foundry Management & Technology; Jan2013, Vol. 141 Issue 1, p17
The article discusses the ten ways that can help maximize crucible service life in foundries. The approaches include checking for cracks and damage, installing crucibles per manufacturers instructions, preventing thermal shock with proper pre-heating. It further cautions on maximum temperature...
- Attachment Issues.
DAnnunzio, John A. // Roofing Contractor; May2011, Vol. 31 Issue 5, p22
The article discusses the advantages and disadvantages of the three membrane attachment methods used in the U.S. low-slope commercial roofing market. The fully adhered method provides waterproofing and wind-uplift capacity and the longest average service life, and its disadvantages include...
- IT'S IN THE TAG: The Importance of Considering Power Efficiency when Choosing a Real Time Location System.
Jackson, Steve // Wireless Design & Development; May2009, Vol. 17 Issue 5, p19
The article provides information on the dimensions essential for the evaluation of power efficiency and real time location system (RTLS) tags. It states that the expected service life of power cells can be accurately modeled in relation to its power consumption. It adds that systems operate...
- New generation of thermal imaging systems for thermal monitoring of the lining of metallurgical furnaces.
Zavidei, V.; Sizov, V. // Metallurgist; Jan2006, Vol. 50 Issue 1/2, p79
The use of new thermal imaging systems is significantly expanding the possibilities for tracking and analyzing the thermal phenomena which take place in heating furnaces, and it shows that systems can be developed to continuously monitor the condition of these units. Solving this problem will...
- What Makes Avgas Different.
LESLIE, TIM // Canadian Aviator; Mar/Apr2013, Vol. 23 Issue 2, p24
The article discusses important considerations of 100LL in relation to performance and service life of the engine. 100LL's most significant property is its high octane quality of fuel needed to meet the requirements of thermally efficient high-output engines. Low water retention also remains a...
- Further Development of Proven Suspension Means in Elevator Construction.
Wolf, Ernst; Franz, Andreas // Elevator World; Oct2009, Vol. 57 Issue 10, p132
The article focuses on concepts that address the required means of suspension used in elevators. Steel rope is reportedly considered as environment friendly and is the most widely used means of suspension. It is stated that compacting ropes with fiber or steel cores increase service life because...
- The Development of Wood Floor Construction in Finland.
Vahtikari, Katja; Silvo, Jonna; Metsälä, Harri; Paajanen, Olli // Forest Products Journal; May2012, Vol. 62 Issue 5, p388
Traditionally, wood has been widely used for construction in Finland and other Scandinavian countries and has been the dominant floor material in Finland. Solid wood floors that were installed more than 100 years ago are still in service. In Finland, however, the current attitude toward using...
- The Changes of Moisture Absorption Properties during the Service Life of External Thermal Insulation Composite System.
NORVAIŠIENĖ, Rosita; GRICIŪTĖ, Gintarė; BLIŪDŽIUS, Raimondas; RAMANAUSKAS, Juozas // Materials Science / Medziagotyra; 2013, Vol. 19 Issue 1, p103
This paper provides initial results from experimental work on the durability of external thermal insulation composite system (ETICS). In order to predict service life of ETICS, the accelerated climatic cycle was composed on the basis of earlier scientific research and the statistic data of the...
- CUTTING A ROPE.
Ellison, Julie // Climbing; Feb2012, Issue 312, p69
The article offers some tips for climbers on the proper way of cutting a damaged rope to increase its service life. It advises them to inspect the rope, look for frayed sections, and measure a foot from the damaged section and mark it. It suggests to wrap a tape around the part that will be cut...
- Method for estimation of the average local working temperatures and the residual resource of metal coatings of gas-turbine blades.
Krukovskii, P.; Tadlya, K. // Journal of Engineering Physics & Thermophysics; May2007, Vol. 80 Issue 3, p440
A new method is proposed for estimation of the average local operating temperatures and the residual service life (resource) of protective MCrAlY metal coatings of gas-turbine blades after a certain time of operation on the basis of experimental data on the residual content of aluminum in the...
- Reactor systems in nuclear-powered ships â€” present status, service life extension, and prospects.
V. Kostin; Yu. Panov; V. Polunichev; O. Yakovlev // Atomic Energy; Jan2007, Vol. 102 Issue 1, p25
AbstractÂ Â The main results of the operation of nuclear-powered ships (icebreakers) and their reactor systems are presented. Information about the operating time of the ship reactors and the results of operating individual pieces of equipment are presented. The status, results, and plans...
- Polyurethane flooring: Long term protection for various functional floors.
Mulla, Ayub; Dhamdhare, Paresh; Zhang, Frank // Paintindia; Apr2013, Vol. 63 Issue 4, p82
Polyurethane floor coatings have been in commercial use for more than 30 years. Flexible, hard and tough coating materials are formulated with polyurethane raw materials for application in many different market segments. This article covers the application of the polyurethane technology for...
- NRMCA CALLS FOR HPC SYMPOSIUM PRESENTATIONS.
Mulla, Ayub; Dhamdhare, Paresh; Zhang, Frank // Concrete Products; Sep2006, Vol. 109 Issue 9, p14
The article reports that the National Ready Mixed Concrete Association is accepting abstracts of candidate papers for the Concrete Technology Forum: Focus on High Performance Concrete which will be held in Dallas, Texas on May 22-24, 2007. The suggested track and topics include self...
- GALION BONANZA.
Mulla, Ayub; Dhamdhare, Paresh; Zhang, Frank // American Cranes & Transport; Jul2013, Vol. 9 Issue 7, p34
The article offers information on the Service Life Extension Project (SLEP) by WHECO Corp., which restores old Galion cranes such as the Galion 150F for crane rental companies in the U.S.
- How roof service life impacts sustainability.
Mulla, Ayub; Dhamdhare, Paresh; Zhang, Frank // Roofing Contractor; Dec2008, Vol. 28 Issue 12, Special section p10
The article discusses the impact of roof service life on sustainability. It presents findings of a study on whether Life Cycle Assessment (LCA) is a better method of assessing a roof's long-term economic and environmental value that Life Cycle Costing (LCC). It notes that the Equivalent Uniform...
- Consider Below the Membrane.
Garcia, Ruben // Roofing Contractor; Dec2008, Vol. 28 Issue 12, p46
The article discusses the impact of insulation and cover boards on the overall roof performance. It states that insulation, a key component of any roofing system, delivers energy efficiency and savings through its R-value, the product's insulating effectiveness. A list of the benefits of using...
- Understanding MQL.
Quaile, Ron // Modern Machine Shop; Jan2005, Vol. 77 Issue 8, p92
Focuses on the use of minimum quantity lubricant (MQL) in coolants. Effect of MQL on cutting coolant costs; Metals in which MQL machining process can be adopted; Effects of eliminating abrasive silicon particles suspended in the coolant on its tool life.
- The Art of Building A 313-Ship Fleet: Balancing Navy And Industry Needs.
Fein, Geoff // Defense Daily; 5/1/2006, Vol. 230 Issue 21, p2
The article reports that the U.S. Navy's 30-year shipbuilding plan, calling for an increase to 313 ships, required an understanding of each ship yard's pricing agreements as well as having a modernization program in place to ensure ships are supported to the end of their service life and capable...
- Understanding reliability centred maintenance.
Fein, Geoff // DEMM: Engineering & Manufacturing; Sep2011, p36
The article discusses the concept behind Reliability Centred Maintenance (RCM) previously used in the aviation industry. It cites the creation of a series of Maintenance Steering Groups (MSG) to re-examine the processes designed to keep the aircraft airborne. It notes the adoption of the MSG...
- Third Measurement of Aircraft Life Emerges As Residuals Shorten.
Fein, Geoff // Aircraft Value News; 11/8/2010, Vol. 19 Issue 23, p1
The article presents information on aircraft life measurement, focusing on the third concept of asset life, considered as necessary in view of emerging issues on limited aircraft service lives. It explains the other two measurement concepts, namely technical or design life and economic life,...
- BELTS AND BELT DRIVES IN MODERN SPINNING MACHINERY.
Sankar, B. // BTRA Scan; Sep2005, Vol. 35 Issue 3, p1
This article discusses ideas for getting the maximum life out of various types of belts in spinning machines. In spinning most of the drive areas are prone to fluff/dust accumulation. Hence regular cleaning is very essential, particularly for the timing belt drives, where incidences of...
- News Breaks.
Sankar, B. // Aviation Week & Space Technology; 3/5/2007, Vol. 166 Issue 10, p76
The article reports on the plan of Norway to extend the service life of its P-3 Orion maritime patrol aircraft by 20 to 25 years. Its capital city, Oslo, has signed a deal with Lockheed Martin for life-extension kits.
- Bulletproof Your Batteries.
Banse, Tim // MotorBoating; Apr2006, Vol. 197 Issue 4, p99
The article provides tips on how to maintain and care for marine batteries. Neglecting a starting or deep-cycle battery during spring commissioning is guaranteed to diminish its effectiveness and shorten its service time. Factors to consider when replacing a battery is identified. Maintenance...
- How to Maintain and Preserve the Small Wood Boat.
Kiefer, Mike // Ash Breeze; Summer2003, Vol. 24 Issue 2, p8
Gives advice on the maintenance and preservation of small wood boats. Importance of keeping water out of the bilge; Features of a proper summer mooring cover; Need to clean decks and sails.
- The Final Check.
Johnson, Steve // Plastics Technology; Mar2008, Vol. 54 Issue 3, p53
The article focuses on the fundamentals of repetitive maintenance which often get overlooked. The article advocates using signs for final-check procedures posted where it cannot be missed that should be made of hard plastic, not the common foam board or poster board which is easily damaged. This...
- LISTEN TO THE VOICES OF EXPERIENCE.
Johnson, Steve // PS: Preventive Maintenance Monthly; Dec2003, Issue 613, p22
Provides tips on how to properly operate the MLRS units. Need to look for cab hold-fown bolts before using the vehicle; Way of preventing hand microphones from tangling each other up; Securing equipment inside the vehicle with the use of several tiedown straps.
- EXPERT ADVICE FROM THE EXPERTS.
Johnson, Steve // PS: Preventive Maintenance Monthly; Dec2003, Issue 613, p50
Provides suggestions for decontaminating potential problems for the M12A1 decons. Need to have extra hoses; Avoid having to put hoses together without assistance; Need to put plumber's tape on the hose connections for the upper and lower hose reels; Need to check that the dust covers for the...
- The Secrets for Deconning Success.
Johnson, Steve // PS: Preventive Maintenance Monthly; Dec2003, Issue 613, p52
Presents deconning tips that could get the most out of M17 Decons. Need to take apart the igniter tube every six months and clean out all the carbon with a wire brush; Engine spark plug gap measurement; Need to take off the air filter if you have trouble starting the M17; Need to tie off the...
- How's the condition of your monitoring?
Baker, Paddy // Works Management; Sep97, Vol. 50 Issue 9, p20
The article explains the purpose of condition monitoring and discusses its pros and cons. Condition monitoring is when engineers use a battery of techniques to determine the health of machinery instead of waiting for them to break down. The author discusses the pitfalls of the technique, its...
- Bearing, aluminum improve pump's power density.
Baker, Paddy // Hydraulics & Pneumatics; Sep2005, Vol. 58 Issue 9, p14
The article discusses the use of aluminum to improve pump's power density. To squeeze a little more power density into its KVA-7VO series of variable-displacement axial-piston pumps, Bosch Rexroth, Hoffman Estates, Illinois, constructs pump housings with aluminum alloy. The pump also features an...
- ATIK CAM ve YÃœKSEK FIRIN CÃœRUFU KATKILI HARÃ‡LARIN Ã–ZELLÄ°KLERÄ°.
Özkan, Ömer // Journal of the Faculty of Engineering & Architecture of Gazi Uni; Mar2007, Vol. 22 Issue 1, p87
In this study, the properties of mortars that contain waste bottle glass and blast furnace slag as binding materials were investigated. For this purpose, specimens that were mixed with glass of two different colors alone and also together with glass mortar specimens where some amount of mortars...
- OPERATING BEHAVIOUR OF THE SLIDING RINGS OF AN AXIAL MECHANICAL SEAL AND MAINTENANCE SERVICE PROPOSAL FOR THE RELIABILITY IMPROVEMENT.
LUCIAN, GRIGORESCU; NICOLAE, ZIDARU // Analele Universitatii Maritime Constanta; 2009, Vol. 10 Issue 12, p201
For the endurance and reliability improvement of the axial mechanical seals, the study of the sliding rings behaviour is the main method for the best proposals of service maintenance. The paper presents a short analysis of the field.
- Designing for Maintainability and Optimization of Maintenance Policy an important step of achieving Performability.
Misra, Krishna B. // International Journal of Performability Engineering; Jul2010, Vol. 6 Issue 4, p301
The author reflects on the significance of maintainability design and maintenance policy optimization in achieving performability. He mentions that maintenance prolongs the state of functioning without deteriorating an item's condition. He suggests that design and maintenance are planned to...
- Analyzing hybrid techniques.
Poley, Jack // Tribology & Lubrication Technology; Jul2008, Vol. 64 Issue 7, p63
The author offers his thoughts on the emergence of oil monitoring (OM) sensors as a viable, cost-effective way in monitoring machinery. He states that sensors are instruments that perform oil analysis, and that they can enhance and complement other condition monitoring (CM) tools including...
- Take the right steps to ensure proper drive belt alignment.
Parsons, Dan // Plant Engineering; Jun2006, Vol. 60 Issue 6, p55
The article discusses on maintaining proper belt drive alignment. The author points out that any degree angular or parallel misalignment will decrease the normal service life of a belt drive and accurate measurements and acceptable limits are necessary for corrective action. He outlines...
- Understanding applications, uses key to solenoid valve selection.
Zdobinski, David; Mudd, William; Byrne, Gregory // Plant Engineering; Jun2006, Vol. 60 Issue 6, p65
The article discusses on selecting solenoid valves. The author points out that in selecting the right valve for a given task, users should consider valve characteristics, critical factors, and be aware of problems and solutions in solenoid valve selection and maintenance. He outlines common...
- Taking Roof Maintenance to the Next Step.
D'Annunzio, John A. // Roofing Contractor; Jun2011, Vol. 31 Issue 6, p18
The article describes a roof maintenance program that roof contractors can implement to help clients get the maximum value out of existing roofs. It shows how to extend the service life of existing roof systems, and presents a systematic, cost-effective approach to roof maintenance. It...
- Preventing fan motors failure.
D'Annunzio, John A. // Electrical & Automation Technology; Feb/Mar2008, p24
The article discusses how to solve the problem of electric motors affected by stray currents. Noted in this entry is the situation of a pulp and carbonboard mill that was losing productivity due to bearing problems in the pulp boiler flue gas recirculation fan motors. Also cited are the...
- Proceed to succeed.
D'Annunzio, John A. // Plant & Works Engineering; Jul2012, Issue 364, p14
The article discusses the procedure-based approach to maintenance which ensures a maintenance process that is more precise and less susceptible to error. Although procedure-based organisations generate and comply with detailed written instructions for all aspects of maintenance, the value of...
- CALIFORNIA USING RAPID-SETTING CONCRETE IN HIGHWAY REHABILITATION.
D'Annunzio, John A. // Concrete International; Mar2004, Vol. 26 Issue 3, p134
Reports that the California Department of Transportation's freeway pavement rehabilitation program has reached another milestone in replacing broken concrete pavement sections by night with a rapid-setting concrete. Maker of the rapid-setting concrete; Removal of broken concrete; Installation...
- HEALTH MONITORING SYSTEMS AND SENSORS FOR ASSESSING CONCRETE.
D'Annunzio, John A. // Concrete International; Feb2007, Vol. 29 Issue 2, p21
The article invites papers and presentations for a technical session on Health Monitoring Systems and Sensors for Assessing Concrete at the American Concrete Institute's Spring 2008 Convention scheduled from March 30 to April 3, 2008 in Los Angeles, California. Papers must focus on the...