Forum: Reliability & Maintainability Questions and Answers
Posted by:Phil Coseno (pcoseno@ti.com ) Organization:Texas Instrument Date posted: Thu Jul 19 14:02:06 US/Eastern 2001 Subject: Rotating Equipment Failures Message: I am looking for information to quantify the reasons various types of rotating equipment fail. I would like data on some typical rotating equipment types like motors, fans, pumps, compressors, etc. if available. The data will be used to pareto the causes of failures for evaluating options required for satisfactory condition monitoring. I would appreciate any information. Thx Phil Coseno
Posted by: Diane Gordon (info@reliability.com ) Organization:Reliability Center, Inc. Date posted: Thu Jul 19 10:42:36 US/Eastern 2001 Subject: MTTR Measurement Message: Information on mttr(mean time to repair). In particular the exact points at which the time is measured to start and end. (ie. does it begin when the fault is diagnosed or when the actual repair begins?)
Posted by: Tim Zarkovacki (tzarkovacki@keithley.com ) Organization:Keithley Instruments Inc. Date posted: Wed Jul 18 10:18:35 US/Eastern 2001 Subject: Burn In Modelling Message: Our company has a multi temperature burn in that systems are subjected to . Included in this burn in the systems power is cycled as well. We are currently using the Bellcore Standard, however it is unable to model this type of burn in. That standards / references can I use to incorporate this into a Bellcore Model or other method to help determine our true burn in time.
Posted by: Juan C. Rodenas (ils@einsa.es ) Organization:einsa Date posted: Mon Jul 16 7:24:48 US/Eastern 2001 Subject: reliability data Message: I am trying to calculate MTBF for a cable assembly. This assembly will be composed of electrical wires (normal wires, flat wires for computer, etc) and 2 connectors. Usinga Part count method it can be obtained taken the connector failure data from MIL-HDBK-217 and here come the problem. I havenīt found any data about wires reliability. Looking at NPRD-95 I am not sure if any values there can be used. Any help will be welcomed.
Posted by: Simon Gates (gatess.railtrack@ems.rail.co.uk ) Organization:Railtrack Plc Date posted: Wed Jul 11 11:32:33 US/Eastern 2001 Subject: RCM Applications on Rail Infrastructure Message: I am looking for case studies into the use of reliability centred maintenance on rail track, signalling and/or electricication infrastructure. Can anyone recommend some publications?
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