Machinery Vibration Alignment

Name: Machinery Vibration Alignment
Price: 61.21 USD
Availability: InStock
ISBN: 9780070719392

ISBN-10: 007071939X

ISBN-13: 9780070719392

Edition: 2000

Authors: Victor Wowk

List price: $70.00

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Description:

Victor Wowk's approach to aligning machinery to obviate and/or attenuate vibrational problems includes methods requiring only simple tools, thus eliminating the need for expensive laser alignment systems.

Book details

List price: $70.00
Copyright year: 2000
Publisher: McGraw-Hill Professional Publishing
Publication date: 4/20/2000
Binding: Hardcover
Pages: 384
Size: 6.50" wide x 9.25" long x 1.25" tall
Weight: 1.628
Language: English



Preface


Acknowledgments



Introduction


What Is Alignment?


Why Be Concerned?


History



Diagnosing Misalignment


Static Diagnosis


Diagnosing Misalignment While Operating


Misalignment Versus Unbalance



Measuring Misalignment


Metrology


Geometric Features


Dial Indicators


Measuring Rotating Shafts


Graphical Calculations


Measuring Stationary Objects


Mechanical Distance Measurements


Electronic Transducers


Computers


Offset Versus Runout



Preparing for the Task


Strategy


Gather Machine Information


Prepare Measuring Instruments


Prepare Tools


Pre-Alignment Checks at the Machine



Rough Methods



Reverse Indicator


Setups


Principles


Advantages and Limitations


Mathematical Formulas


Graphical Plotting


Plotting Examples


Variations



Face and Rim


Setups


Theory


Calculations


Example Problem


Variations


Comparison of Methods



Moving Machines


Tools


Gaining Access


Measurement


Calculation


Movement


Prepare to Operate


Procedure


Axial Positioning


Vertical Moves


Horizontal Moves


Strategy


Moving While Operating



Alignment Tolerances


Metrology


Coupling Tolerances


How Long Should Alignment Take?


When to Stop


Bearing Stiffness and Vibration



Complicating Factors


Nonrepeatable Measurements


Poor Foundations


Symptoms of Resonance


Tests for Resonance


Fixes for Resonance


Case History of a Diesel Engine with a Base Resonance


Bent Shaft


Casing Distortion


Bar Sag


Mechanical Changes


Piping Strain


Thrust Forces


Torques


Hydraulic Forces


Shaft Riding Up on the Oil Wedge


Gear Reactions


Thermal Growth


Field Measurements of Growth


Dial Indicator


Proximity Probes Mounted on Water-Cooled Stands


Benchmark Gages


Dodd Bars


Instrumented Coupling


Optical Measurement


Lasers


Vernier-Strobe


Hot Alignment


Growth Compensation


Reference List



Drive Shafts


Straight-Line Methods


Rim-Rim Method


Face-Face


Shaft Sag


Quill Shaft



Large, Heavy, or Multiple Machines


Initial Placement


Natural Sag Curve



Flange-Mounted Equipment



Single-Bearing Machines


Close-Coupled Equipment



Reciprocating Machines


Foundation Stiffness


Alignment Offsets and Heat


Torsion



Component Alignment


Bearing Alignment


Self-Aligning Bearings


Gear Alignment


Pulley Alignment



Optical Tooling


Instruments


Methods



Laser Alignment


Technology of Laser


Advantages and Disadvantages



Couplings


Purpose and Theory


Types of Couplings


Rigid Cylinder


Rigid Flanges


Rigid Compression


Quill Shaft


Flexible Shafts


Spring Couplings


Metal Bellows


Beam Coupling


Roller Chain


Gear


Steel Grid


Link Coupling


Flexible Disk


Contoured Diaphragm


Sliding Block and Sliding Disk


Rotating Link


Cardan Joints


Elastomeric Compression


Elastomeric Shear


Fluid Couplings


Magnetic Coupling


Selection Criteria



Alignment Tools and Supplies



Drawings



Formulas



Alignment Standard for New and Rebuilt Equipment


Bibliography


Index