Maintenance Technology April 2015 - (Page 33)

RELIABILITY STRATEGIES program will likely find between 5 and 20 faults for each 100 PMs performed. The report should show PMs that do not detect any faults, and also highlight those PMs with a large number of findings. Too few may indicate that the PM frequency is too often or that the PM tasks are the wrong ones. Too many may indicate that PM frequency is not often enough or that there is a problem that needs a reliability-engineering review. It is important to regularly review PMs to keep them current. Annually is a good practice. Not only do technicians become aware of things that need to be checked over time, they see things that do not need to be checked. Changing operational conditions can also induce different failure modes or necessitate a different PM. Regular reviews can also help determine if a PM can be moved to a PdM, add more objectivity to the work process, and identify the most appropriately skilled person(s) to perform the work. A KPI here might be the average age of PMs since their last review, with special reports on PMs that exceed the company's policy on review frequency. Of course MTBF and mean time to repair (MTTR) will also indicate how effectively a PM effort is being planned and performed. However, since the absolute value of these measures may not be the best indicator, look carefully at the trend line to verify continuous improvement. Implementing a reliabilityimprovement LEADING EDGE MANUFACTURING SOLUTIONS A variety of new products and services were rolled out at PROMAT 2015 in Chicago, including: Gear-Motor Drive with Profinet/ EtherNet/IP Communications According to Siemens, its new SINAMICS G110M motor-mounted drive for SIMOGEAR gear motors meets the demand for faster machine-build, installation and start-up capabilities in a space-saving design that offers increased control flexibility. Equipped with integral USS/Modbus RTU, Profibus, and Profinet/EtherNet/IP communication profiles, it's the newest addition to the Siemens Integrated Drive System (IDS) lineup. The unit's high degree of protection-up to IP66-makes the G110M suited for a variety of applications, including conveyors. For applications that require safety technology, the new drive incorporates functions such as "Safe Torque Off " (STO) that can be activated via a fail-safe input, or Profisafe without additional safety-monitoring components. Siemens Corp. industry.usa.siemens.com program may require a significant investment in terms of time and resources, but the payoff can be enormous. The bottom line Implementing a successful equipment-reliability-improvement program may require a significant investment in terms of time and resources, but payoff can be enormous: Incorporating best practices, good practices and well-defined policies, these initiatives help companies become and remain profitable. Don't let inadequate preparation come back to haunt your organization's efforts. MT Wayne Vaughn recently retired as Director of Maintenance for Harley-Davidson. He currently is a Senior Reliability Consultant with Performance Consulting Associates, Inc. (PCA), of Duluth, GA. Contact him at Vaughn@pcaconsulting.com. APRIL 2015 Turnkey Retrofit Conveyor Program A new turnkey retrofit program from Regal Power Transmission Solutions is designed to transform live-roller conveyors for sustainable, high-uptime performance. Combining its System Plast modular plastic belt and chain, high-efficiency Hub City or Grove Gear drives and Sealmaster materialhandling bearings, Regal provides single-source or à la carte capabilities for on-site evaluation, consulting, layout design, validation and installation. System Plast heavy-duty plastic belts provide a non-skid, energy-efficient conveyor surface for moving walkways, automotive assembly lines and material handling of heavy loads. Hub City High Efficiency Right Angle reducers are designed to replace industrial worm-gear drives, providing 90% efficiency in all ratios. Grove Gear Bravo gear reducers feature lightweight, single-piece, vent-free aluminum housings protected with high-temperature nitrile output seals. Available in several styles, Sealmaster bearings feature a cast-iron base or housing for improved stability. Regal regalbeloit.com MAINTENANCETECHNOLOGY.COM | 33 http://www.industry.usa.siemens.com/industry/us/en/Pages/industry.aspx http://www.regalbeloit.com http://www.MAINTENANCETECHNOLOGY.COM

Maintenance Technology April 2015

Table of Contents for the Digital Edition of Maintenance Technology April 2015

Maintenance Technology April 2015 - Cover1
Maintenance Technology April 2015 - Cover2
Maintenance Technology April 2015 - 1
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