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دوره آموزش تکنیک های بالانس تجهیزات دوار

    
در این دوره چگونگی بالانس تک صفحه ای ، دو صفحه ای ، روشهای ابتکاری بالانس تجهزات دوار بررسی می گردد.                                               
   







 
     
سیلابس دوره به شرح ذیل می باشد

Definition of Unbalance

Types of Unbalance:

Static Unbalance

Couple Unbalance

Quasi-Static Unbalance

Dynamic Unbalance

Rigid Versus Flexible Rotors

Causes of Unbalance:

Assembly Errors

Casting Blow Holes

Fabrication Tolerance Problems

Key Length Problems

Rotational Distortion

Deposit Buildup or Erosion

Unsymmetrical Design

How to Ensure the Dominant Problem is Unbalance:

Review of Typical Spectra and Phase Behaviors For Common Machinery Problems

Mass Unbalance

Eccentric Rotor

Bent Shaft

Misalignment

Resonance

Mechanical Looseness/Weakness

Summary of Phase Relationships For Various Machinery Problems

Summary of Normal Unbalance Symptoms

Field Balancing Techniques:

Recommended Trial Weight Size and Placement

Single-Plane Balancing Using a Portable Data Collector

Two-Plane Balancing Using a Portable Data Collector

Balancing Overhung Rotors

By Classic Single-Plane Static-Couple Method

By Classic Two-Plane Static-Couple Method

Splitting Balance Correction Weights

Combining Balance Correction Weights

Effect of Angular Measurement Errors On Potential Unbalance Reduction

Commonly Encountered Balancing Problems

Recommended Vibration and Balance Tolerances:

Vibration Tolerances

Overall Vibration Specifications

Spectral Alarm Band Specifications

Balance Tolerances on Allowable Residual Unbalance

ISO 1940 Balance Quality Grades

How to Determine Residual Unbalance Remaining in a Rotor After Balancing

API Balance Tolerances

Hands-On Instruction:

Hands-On Demonstration of Single-Plane Balancing

Using a Portable Data Collector

Hands-On Demonstration of Two-Plane Balancing

Using a Portable Data Collector

Hands-On Demonstration of Balancing Overhung Rotors

Using Classic Single-Plane Static-Couple Method

Using Classic Two-Plane Static-Couple Method

Demonstration of Splitting Balance Correction Weights

Demonstration of Combining Balance Correction Weights

Balancing Machines - Soft Versus Hard Bearing

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