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ATIEMAR Heavy Industry

Over the more than 30 years of experience

ATIEMAR Heavy Industry which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ².

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monitar vibration problam

2015-05-02T09:05:18+00:00

  • Vibration Condition Monitoring an overview

    Vibration monitoring is performed for new piping additions, modified system layouts, or changes that affect the hydraulic flow conditions, for example, an increase in flow rates, or the addition of a pump with different rotating frequency or a different vane design From: Nuclear Power Plant Safety and Mechanical Integrity, 2015 Download as PDF

  • Bent, cracked shaft: 1, 2× Nc[PDF]
  • An analytical approach to solving motor vibration

      Vibration Problems William R Finley, Senior Member, IEEE, Mark M Hodowanec, Member, IEEE, and Warren G Holter Abstract— Vibration problems in induction motors can be extremely frustrating and may lead to greatly reduced reliability It is imperative, in all operations and manufacturing processes that downtime is avoided or minimized

  • [PDF]
  • Vibration monitoring of pumps Wilcoxon Sensing

      420 mA vibration monitoring Many facilities want to monitor pump vibration, but do not want an expensive vibration program 420 mA sensors output overall vibration levels so that maintenance professionals can take action on pumps that indicate abnormal or increasing vibration 13 Vibration monitoring of pumps

  • 文件大小: 1MB
  • Vibration Analysis VibMaster Condition monitoring

      VIBRATION ANALYSIS FAULT DIAGNOSTICS Vibration Analysis is a predictive maintenance method which allows early problem detection in rotating machinery and prevent machine from catastrophic failure and high maintenance cost VibMaster having ISO/ASNT 184362 CatII CatIII Certified Vibration Analyst, which are very few in India – Leading the vibration analysis program and

  • Vibration velocity RMS in online monitoring systems

      Despite a multitude of diagnostic methods, the industry standard RMS is still widely used Paper presents work toward algorithmic implementation of velocity RMS measurement according to ISO 108163 standard Different approaches are discussed, including those based on frequency spectra of raw vibration data Considerations connected with problems specific to digital signals processing and

  • Cited by: 1[PDF]
  • A VIBRATION ANALYSIS IN JOURNAL B PROBLEMS

      Vibration analysis has recently been used as the primary preventive maintenance method because most plants have more mechanical components in their system It represents the best tool for monitoring and identifying startup problems, making vibration measurement and analysis the most important plant status monitoring method for several reasons [2]:

  • [PDF]
  • 12 VIBRATION ISOLATION Pennsylvania State University

      The problem is usually most apparent in the immediate vicinity of the vibration source However, mechanical vibrations can transmit for long distances, and by very circuitous routes through the structure of a building, sometimes resurfacing hundreds of feet from the source A related problem is the isolation of vibrationsensitive machines from the

  • 文件大小: 855KB[PDF]
  • ME 563 MECHANICAL VIBRATIONS Purdue University

      mitigate vibration problems before systems are manufactured Vibrations can also be intentionally introduced into designs to take advantage of benefits of relative mechanical motion and to resonate systems (eg, scanning microscopy) Unfortunately, knowledge of vibrations in preliminary mechanical designs is rarely considered essential, so

  • [PDF]
  • VIBRATION ANALYSIS OF VERTICAL PUMPS

      excessive The vibration levels at the top of the motor were often above 20 mils peaktopeak which exceeds the Hydraulic Insti­ tute acceptable vibration limit of six mils for vertical pumps at 900 cpm [1] Although the vibration levels were excessive, it was not known whether the motor vibrations were related to the wear problems on the pump

  • [PDF]
  • An Overview of Bearing Vibration Analysis

      Vibration monitoring has now become a well accepted part of many planned maintenance regimes and relies on the well known characteristic vibration signatures which rolling bearings exhibit as the rolling surfaces degrade However, in most situations bearing vibration cannot be measured directly and so the bearing vibration signature is modified

  • Machine Vibration Problems? 7 Proven Treatments that

      Machine vibration problems reviewed When looking at machine vibrations it is always necessary to be able to distinguish between normal operations and emerging problems Vibration can be symptomatic of a problem, or it can be the cause of a problem There are times when the machine isn’t physically vibrating and there is a problem

  • [PDF]
  • An analytical approach to solving motor vibration

      Vibration Problems William R Finley, Senior Member, IEEE, Mark M Hodowanec, Member, IEEE, and Warren G Holter Abstract— Vibration problems in induction motors can be extremely frustrating and may lead to greatly reduced reliability It is imperative, in all operations and manufacturing processes that downtime is avoided or minimized

  • [PDF]
  • #45 Perplexing Variable Frequency Drive Vibration

      Vibrations on the motor bearing housings show a fixed “lockin” frequency at 1975 Hz This frequency stays constant as the shaft speed passes 1975 Hz Occasional trips have been occurring due to high vibrations in the NDE motor bearing accelerometer on one of the units Monitoring of the motor has not picked up a trip yet

  • Vibration Analysis VibMaster Condition monitoring

      VIBRATION ANALYSIS FAULT DIAGNOSTICS Vibration Analysis is a predictive maintenance method which allows early problem detection in rotating machinery and prevent machine from catastrophic failure and high maintenance cost VibMaster having ISO/ASNT 184362 CatII CatIII Certified Vibration Analyst, which are very few in India – Leading the vibration analysis program and

  • [PDF]
  • A VIBRATION ANALYSIS IN JOURNAL B PROBLEMS

      Vibration analysis has recently been used as the primary preventive maintenance method because most plants have more mechanical components in their system It represents the best tool for monitoring and identifying startup problems, making vibration measurement and analysis the most important plant status monitoring method for several reasons [2]:

  • Condition Monitoring Vibration Classification Standards

    Disclaimer: The author is not trying to present himself as an authority on all available CM standardsThis blog post is simply an attempt to help those who may be unaware that such guidance exists or of the extent of such standards We previously discussed a series of international standards pertaining to condition monitoring of industrial equipment with vibration analysis in, Condition

  • [PDF]
  • 12 VIBRATION ISOLATION Pennsylvania State University

      The problem is usually most apparent in the immediate vicinity of the vibration source However, mechanical vibrations can transmit for long distances, and by very circuitous routes through the structure of a building, sometimes resurfacing hundreds of feet from the source A related problem is the isolation of vibrationsensitive machines from the

  • [PDF]
  • ME 563 MECHANICAL VIBRATIONS Purdue University

      mitigate vibration problems before systems are manufactured Vibrations can also be intentionally introduced into designs to take advantage of benefits of relative mechanical motion and to resonate systems (eg, scanning microscopy) Unfortunately, knowledge of vibrations in preliminary mechanical designs is rarely considered essential, so

  • [PDF]
  • VIBRATION ANALYSIS OF VERTICAL PUMPS

      excessive The vibration levels at the top of the motor were often above 20 mils peaktopeak which exceeds the Hydraulic Insti­ tute acceptable vibration limit of six mils for vertical pumps at 900 cpm [1] Although the vibration levels were excessive, it was not known whether the motor vibrations were related to the wear problems on the pump

  • Measuring Vibration: The Complete Guide Brüel Kjær

    The vibration amplitude, which is the characteristic that describes the severity of the vibration, can be quantified in several ways On the diagram, the relationship between the peaktopeak level, the peak level, the average level, and the RMS level of a sinewave is shown

  • Remote Vibration Analysis and Condition Monitoring

      Collect and send vibration and other data to VDN for review and analysis; VDN works collaboratively with you to assess problems and recommend next steps 22 Routine Monitoring Program If you would like to setup a regular monitoring program,

  • [PDF]
  • #45 Perplexing Variable Frequency Drive Vibration

      Vibrations on the motor bearing housings show a fixed “lockin” frequency at 1975 Hz This frequency stays constant as the shaft speed passes 1975 Hz Occasional trips have been occurring due to high vibrations in the NDE motor bearing accelerometer on one of the units Monitoring of the motor has not picked up a trip yet

  • Basics of Vibration Analysis Vibration Monitoring

      Fundamentals of vibration analysis Vibration Analysis – Basics Vibration analysis does not require you to disassemble or stop the machine and therefore it is a noninvasive methodIn fact, a sensor transforming movement into an electric signal is

  • ShockWatch Monitoring Shock and Vibration During

    Unacceptable shock and vibration levels experienced by equipment during transit can result in equipment damage and failure Shock and vibration are normal but can get beyond the acceptable levels due to speed, manoeuvres, air turbulence and sea conditions Whether it’s transit through the aircraft, ship, railroad or truck, high levels of

  • [PDF]
  • A VIBRATION ANALYSIS IN JOURNAL B PROBLEMS

      Vibration analysis has recently been used as the primary preventive maintenance method because most plants have more mechanical components in their system It represents the best tool for monitoring and identifying startup problems, making vibration measurement and analysis the most important plant status monitoring method for several reasons [2]:

  • Equipment Vibration Monitoring Solution 研华工业云

    Current diagnostic techniques for equipment motor vibration monitoring can detect such problems before devices shut down completely, thus minimizing downtime and equipment damage Advantech’s Equipment Vibration Monitoring Solution is an integrated solutionready package that facilities realtime vibration monitoring, timefrequency vibration data analysis, and alarm management/maintenance

  • Condition Monitoring Vibration Classification Standards

    Disclaimer: The author is not trying to present himself as an authority on all available CM standardsThis blog post is simply an attempt to help those who may be unaware that such guidance exists or of the extent of such standards We previously discussed a series of international standards pertaining to condition monitoring of industrial equipment with vibration analysis in, Condition

  • [PDF]
  • Spectrum Analysis SKF

      A vibration FFT (Fast Fourier Transform) spectrum is an incredibly useful tool for machinery vibration analysis If a machinery problem exists, FFT spectra provide information to help determine the source and cause of the problem and, with trending, how long until the pr oblem becomes critical

  • [PDF]
  • VIBRATION ANALYSIS OF VERTICAL PUMPS

      excessive The vibration levels at the top of the motor were often above 20 mils peaktopeak which exceeds the Hydraulic Insti­ tute acceptable vibration limit of six mils for vertical pumps at 900 cpm [1] Although the vibration levels were excessive, it was not known whether the motor vibrations were related to the wear problems on the pump

  • Measuring Vibration: The Complete Guide Brüel Kjær

    The vibration amplitude, which is the characteristic that describes the severity of the vibration, can be quantified in several ways On the diagram, the relationship between the peaktopeak level, the peak level, the average level, and the RMS level of a sinewave is shown