Shaft Alignment _ Vibration Analysis_outline

8/6/2019 Shaft Alignment _ Vibration Analysis_outline

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SHAFTALIGNMENT &VIBRATIONANALYSIS

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Introduction:

This course introduces of vibration theory and vibration measurements and analysis

methods from first principles. The course also aims to familiarize engineers with the differentvibration control techniques. Participants will be able to analyze and solve vibrationproblems.

Also, this course cover shaft alignment where exposed to all of the different dial indicatoralignment methods, understood how to check or correct a 'soft foot' condition, have neverused the alignment graphical/modeling technique and measuring and correcting vertical andhorizontal plant misalignment.

Course Objectives:

Identifying machines vibration

Explaining free and forced vibration Describing vibration control and correction

Gaining knowledge of vibration measuring and analysis

Identify the different types of alignment

Describe the different methods of alignment.

State the procedures required performing reverse dial indicator method of alignment.

Understanding of practices in measuring and correcting 'soft foot' problems andmeasuring run-out on alignment demonstrators

Assessment of the basic principles and demonstrate the face & rim method andmodeling the face and rim measurements

Gaining knowledge of measuring & correction vertical and horizontal plan misalignmentaligning vertical mounted equipment

Material Language: English

Presentation Language: English/Arabic

Who Should Attend?

This course is intended for Engineers and qualified technicians who are engaged in

operation, maintenance and control in the various industrial fields specially in power utilities,power plant industry etc. Participants need no specific requirements other than basicunderstanding of rotating machinery such as: motors, pumps, gears, compressors, fans, etc.

Course Contents:

1. COMPARISON OF MAINTENANCE STRATEGIES

2. INTRODUCTION TO VIBRATION

2.1. Vibration of machines2.2. Fairly methods of vibration measurements2.3. Free vibration

2.4. Forced vibration2.5. Single degree of freedom system (natural frequency, Jumping & logarithmicdecrement)2.6. Multi degree of freedom system (natural frequency & vibration modes)


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2.7. Vibration representation in the time &frequency domains2.8. Vibration Signals2.9. Harmonic

2.10. Deterministic signals2.11. Random signal2.12. Shock2.13. Signal level descriptors2.14. Relationship between displacement (d), Velocity (v) and acceleration (a)

3. VIBRATION CONTROL AND CORRECTION:

3.1. Vibration data collection3.2. Vibration units & definitions3.3. Vibration transmission and isolation3.4. Machines foundation design and selection

3.5. Vibration control techniques4. VIBRATION MEASUREMENTS AND ANALYSIS

4.1. Measurements of vibration4.2. Main parameters describing vibration4.3. Vibration measuring systems4.4. Vibration sensors (transducers)4.5. Important characteristics of transducers4.6. Choice of accelerometer4.7. Mounting the accelerometer4.8. Vibration instruments

4.9. Filters and signal analyzers4.10. Indication and recording instruments4.11. Vibration measuring and analyzing system

5. VIBRATION FAULTS ANALYSIS & DIAGNOSIS

6. FUNDAMENTALS OF BALANCING

7. INTRODUCTION TO SHAFT ALIGNMENT

7.1. What is the objective of accurate alignment?7.2. What happens to rotating machinery when it's misaligned a little bit, or moderately,or even ... Severely?

7.3. Alignment Theory- How long should the alignment process take?- How can I reduce the amount of time it takes to do alignment properly?- How often should alignment be checked?- How do I know if the contractors I hired to install my machinery are doing thealignment properly?- How long will rotate machinery stayed accurately aligned?

7.4. Symptoms of misalignment7.5. Summary of overall alignment job7.6. The history of machinery alignment7.7. Foundation design philosophies

8. MEASURING & CORRECTION MISALIGNMENT

8.1. Recognize different kinds of faults that cause excessive run out conditions8.2. Methods for correcting soft foot problems


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8.3. Determining machinery moves to correct the misalignment8.4. Measure and correct machine case to base plate interface problems

- Soft foot, mechanical & magnetic center

- Soft foot problems on alignment demonstrators8.5. Recognize and correct induced piping stress problems8.6. Measuring angles8.7. Practice measuring run out on alignment demonstrators8.8. Using optical tooling for measuring machinery movement8.9. Definition of shaft misalignment8.10. Types of misalignment8.11. Degrees of misalignment8.12. Checking the misalignment tolerance8.13. Using vibration analysis to detect misalignment

- Machinery moves and misalignment correction

- Vibration amplitude and misalignment severity- Vibration levels and increasing misalignment

8.14.Misalignment causes failures in equipment

9. SHAFT ALIGNMENT TECHNIQUES AND MEASURING TOOLS

9.1. Dimensional Measurement9.2. Standard tape measures and rulers9.3. Slide Caliper & micrometers9.4. Dial Indicators9.5. Optical Alignment Tooling, optical Encoders Lasers and Detectors9.6. Charge Couple Devices (CCD)

9.7. Measuring shaft centerline positions using dial indicators9.8. Rotating both shafts to override any run out conditions9.9. Validity Rule9.10. When take measurements

9.11.Dial Indicator Shaft Alignment Measurement Systems & questionnaire

10. FACE AND RIM METHOD

10.1. Modeling the Face and Rim Measurements10.2. Rim Readings10.3. Plot the positions of machinery shafts onto scaled graphs using data from

- The face-peripheral method

- The shaft to coupling spool method- The double radial method- The face-face method- The reverse dial indicator method

10.4. Effect the positions of the machinery- Proper vertical- Lateral- Axial alignment

11. RIM & FACE ALIGNMENT HORIZONTAL PLAN MISALIGNMENT

12. REVERSE INDICATOR METHOD

12.1. Modeling Reverse Indicator Measurements- Point to Point Technique- Line to Points Technique


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- V-belt alignment problems

13. SIXTEEN POINT & TWENTY POINT METHODS

14. ALIGNMENT METHODS INCLUDING LASER ALIGNMENT PRACTICALTASKS

14.1. Lasers Shaft Alignment Systems14.2. Lasers Shaft Alignment System Questionnaire

15. MEASURING & CORRECTION VERTICAL AND HORIZONTAL PLANMISALIGNMENT ALIGNING VERTICAL MOUNTED EQUIPMENT

15.1. Checking for excessive static piping forces on rotating equipment15.2. Infrared thermo graphic techniques15.3. Determine thermal profiles of rotating equipment15.4. Optical alignment equipment (remote reference point to machine case category)

- Motors- Pumps- Gears- Turbines- Fans- Compressors- Other types of rotating machinery

16. COMPUTER ASSISTED ALIGNMENT METHODS

17. MEASURING THERMAL GROWTH

Documents

Shaft Alignment _ Vibration Analysis_outline