ACQUIP - Complete Machine Train Alignment
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Transcript of ACQUIP - Complete Machine Train Alignment
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ACQUIP ServicesWhat Qualifies as a Machine Train?
• A Machine Train should have at least three separate machines
• The feet must be connected by at least two couplings.
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Conventional Plant Machine Trains
• Motor-Gearbox-Compressor.• Turbine HP-Turbine LP- Generator.• Engine-Gearbox-Pump.• Boiler Feed Pump-Turbine-Gearbox-Booster
Pump.
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What is a Complete Machine Train Alignment?
• Recognize the Machine Train as a Whole.• Evaluate Alignment targets from the
Manufacture or calculated by measuring dynamic movement.
• Apply the fundamentals alignment principles to ensure proper shaft alignment.
• Flexible, more alternatives of components to move than a single coupling alignment.
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Easier than a SingleCoupling Alignment
More options on whatpoints can be moved
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Problems with Machine Train
Alignment
Bold BoundBase Bound
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ACQUIP ServicesWalking Through the
Procedure
Safety First• Lock out/Tag
out!
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ACQUIP ServicesWalking Through the
Procedure
Clean Up the Mess• Remove all dirt and
grease• Replace rusty Shims• Check for unwanted
objects
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Checking List
Rough Soft Foot • Loosen all hold down
bolts• Fill any obvious gapsCommon Issues• Bolt bound• Base bound
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Identify Coupling Type
• Rigid• Flexibl
e• Spacer
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Readings Performance. Keep It Simple!
• Take all measurements first.
• Keep it Simple, view alignment as a whole.
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Moves Selection
• Decide what is movable
• Fix points, not components
• Horizontal and vertical fixed points can be different
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Dynamic Movement
• Consider Coupling Targets
• Growth at the feet• Analyze Dynamic
Movement• Compare measured
Changes
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Considering Targets
• Coupling Manufacturer
• Machine Manufacturer
• In-House Specification
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Growth at the Feet
Theoretical calculation.• Material Constant• Distance between
center of shaft and machine feet• Delta Temperature
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Analyze Dynamic Movement
• Across the coupling
• At the bearing bracket
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Combine & Compare Alignment Information
• Misalignment readings, Coupling Targets
• Measured dynamic movement
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Graph It Out!
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ACQUIP SphereAction™ Services
Machine Train Benefits• A full profile of the machine train is entered into
the computer, so it can be looked as a whole rather than each coupling at a time.
• Best-case scenarios can be instantly tested in the computer before actually performing them and discovering you are bolt bound.
• All machine train dimensions and readings are stored in the computer, and can be recalled for further machine train alignment needs.
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Why ACQUIP SphereAction™ is The best Choice
for your Alignment Needs?• Alignment is our Passion; we are
experts in the field.• We think outside the box, we use
existing technology resources and apply it to new and complex problems.
• We travel for your planned outages and last minute emergencies.
• We guarantee our alignment work.
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For More Information
Toll Free +1 855 ACQUIP1 Phone (305) 538 7101
PO Box 191502 Miami Beach, FL 33119
USA – Middle East – Latin America and beyond.
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