shafting alignment calculation and validation

Rotor assembly system and method

2010-6-15Segmented mechanical shafting alignment tool and method: 2000-11-21: Hutter: 6148518: Method of assembling a rotary machine: 2000-11-21: Weiner et al 29/889 2: 6114773: Hydraulic turbine assembly: 2000-09-05: Kouris: 290/52: 5821412: Apparatus and method for processing engine measurements: 1998-10-13: Bryant et al 5806161: Shaft spline

Dial Indicator Alignment Procedure

The horizontal move is the part of the alignment process that aligns the shaft's centerlines from side to side View the machine from the pump end zero the indicators on the left and then rotate and read on the right Make sure that you always view the pump from the same direction in order for you to keep the left and right directions correct

Research on Dynamic Characteristic of Marine

In order to solve the problem of engineering application of reliability assessment and control of ship propulsion system on heavy sea a mechanical model of ship shafting-oil film-stern structure coupled system is established The hull and shafting are studied as a whole and a test rig with the wave loads system is assembled

DIGITAL SOLUTIONS NAUTICUS™ MACHINERY

and acceptance criteria for shafting systems for ship propulsion This activity is a consequence of Shaft Fatigue Shaft Fatigue is a rule-based calculation tool for validation of fatigue life and safety factors in steel shafts according to DNV GL Rules Class Guidelines 0038 and IACS UR M68 The result of shaft alignment calculation by

Dial Indicator Alignment Procedure

The horizontal move is the part of the alignment process that aligns the shaft's centerlines from side to side View the machine from the pump end zero the indicators on the left and then rotate and read on the right Make sure that you always view the pump from the same direction in order for you to keep the left and right directions correct

What is Coupling? Types of Shaft Couplings

2020-8-15This article describes what is a coupling types of couplings rigid couplings flexible couplings universal couplings Hookes coupling Pin Bush Coupling Flanged Coupling etc Couplings are mechanical elements that 'couples' two drive elements which enables motion to be transferred from one element to another The drive elements are normally shafts

ShaftDesigner: shaft alignment and vibrations software

ShaftDesigner is a CAE shaft calculator software for high-quality marine propulsion fair curve shaft alignment bearing bush calculations torsional vibration analysis axial vibration analysis and whirling vibration analysis at the design production maintenance and ship repair stages Perfect solution for the concept design checking before the final drawings production

Experimental study on energy consumption in

In this study we present an evaluation of the energy consumption in the case of shaft misalignment Misalignment is one of the most common defects in rotating machinery that causes noticeable losses of energy The proposed methodology focuses on finding a correlation between vibration level and energy consumption for different degrees of misalignment In fact the monitoring of energy

October 30 2007 QIBR Group Slide 0

2016-2-11ShaftDesigner – The Shaft Calculation Software ShaftDesigner is a Multi-Project Multi-Shaft Multi-State CAE system for propulsion shafting ShaftDesigner is the first system on the world market that provides all propulsion shafting engineering calculations such as: • Shaft alignment • Bending vibration • Whirling vibration • Axial

Dynamic Shafting Alignment Algorithms Considering

Shafting alignment is made up of two parts:static alignment and dynamic alignment Static alignment forms the basis of dynamic alignment its mathematical model is deduced by transfer matrix method the shafting static characteristic parameters under specific alignment

NAME Graduate Elective and Special Courses

2020-8-4A study of ship propulsion systems including waste heat utilization availability diesel engine performance compressible pipe flow shafting alignment machinery vibration and torsional vibration analysis NAME 5141 Curved Surface Design (3 credits) Prerequisites: MATH 2134 with a

Keynote Lectures

2005-8-11Advanced Calculation Method for Marine Propulsion Shafting Alignment: D Shiraki: 94: How can FSA help in assessing safety measures onboard Recent applications of risk assessment techniques Gianfranco Damilano: Giacinto Lorusso Renato Robino: 96: Intelligence system for ship dynamics monitoring in extreme situations : Vladimir Alexandrov

Shaft Brackets

The casting process is controlled to IACS requirements including material analysis and NDT testing when needed Most castings are machined on the latest 5 Axis Machining Centres Machining in one loading allows CJR to achieve the highest standard of accuracy for alignment of palm mounting to shaft bore

Determining the influence of ship hull deformations

2020-8-15At present the shaft alignment calculation requires the high performance of computer software by making the total stiffness matrix (2n + 2) for finite element analysis based on a square matrix whose elements are divided by 'n' considering the change of the axial section the bearing support point and the external force

SHAFTING ALIGNMENT CALCULATION AND VALIDATION

2006-9-26SHAFTING ALIGNMENT CALCULATION AND VALIDATION CRITERIA N Vulić A Šestan V Cvitanić Keywords: ship propulsion shaft line alignment transfer matrix method 1 Introduction The main propulsion shaft line is the essential part of a modern ship propulsion system exposed to various conditions throughout the ship's lifetime

Shafting Alignment Calculation Based on SPSDP 06

Shafting alignment calculation based on SPSDP 06 software with self-owned intellectual-property rights was carried out on a high speed main propulsion shafting with gear box The calculation results were compared with the results using COMPASS developed

JMSE

(a) Steady wake alignment: the full wake alignment (FWA) scheme [11 12] considers only the zeroth harmonic of the inflow velocity therefore the higher harmonic components are neglected in the alignment process Axisymmetric variation of the incoming flow in radial direction is the most general case and consequently the propeller performance

Experimental study on energy consumption in

In this study we present an evaluation of the energy consumption in the case of shaft misalignment Misalignment is one of the most common defects in rotating machinery that causes noticeable losses of energy The proposed methodology focuses on finding a correlation between vibration level and energy consumption for different degrees of misalignment In fact the monitoring of energy

Pregled po znanstveniku: Vedrana Cvitanić (: 233760)

Shafting Alignment Calculation and Validation Criteria // Extended abstracts of the 5th International Congress of Croatian Society of Mechanics / Matejiček Franjo (ur ) Zagreb: Croatian Society of Mechanics 2006 str 179-180 (predavanje međunarodna

Strapdown Inertial Navigation Integration Algorithm

2019-11-12Study on Shafting Calibration Technology of INS/CNS Integrated Navigation System Velocity and position calculation ASIC design based on strapdown inertial navigation algorithm Validation of a New Self-Alignment Algorithm on A Rocking Base

A guide to shaft alignment

2019-1-4A final alignment check after rebuild of the hull and floatation led to some minor adjustments to optimise the arrangements but again eventually confirmed that the propulsion shafting alignment was satisfactory The structural repairs and associated hot work in the engine room had the potential to significantly affect the alignment but

Pregled po znanstveniku: Vedrana Cvitanić (: 233760)

Shafting Alignment Calculation and Validation Criteria // Extended abstracts of the 5th International Congress of Croatian Society of Mechanics / Matejiček Franjo (ur ) Zagreb: Croatian Society of Mechanics 2006 str 179-180 (predavanje međunarodna

SPE

The validation of the bare hull and self-propelled hull simulations is carried out through comparison of the computed results with experimental data improper shafting and turbine alignment and thermal expansion Previous experience together with modern finite-element calculation techniques on speedy computers has made it possible to

Study on characteristics of propeller exciting force

2020-4-15This shows that the nonlinear effect of the free wake model described in section 2 3 is weak under the calculation parameters selected in this study In engineering the reaction forces of shafting vibration to fluid are usually simplified into two parts: additional mass force (the real part) and additional damping force (the imaginary part)

Strapdown Inertial Navigation Integration Algorithm

2019-11-12Study on Shafting Calibration Technology of INS/CNS Integrated Navigation System Velocity and position calculation ASIC design based on strapdown inertial navigation algorithm Validation of a New Self-Alignment Algorithm on A Rocking Base

Rotor assembly system and method

2010-6-15Segmented mechanical shafting alignment tool and method: 2000-11-21: Hutter: 6148518: Method of assembling a rotary machine: 2000-11-21: Weiner et al 29/889 2: 6114773: Hydraulic turbine assembly: 2000-09-05: Kouris: 290/52: 5821412: Apparatus and method for processing engine measurements: 1998-10-13: Bryant et al 5806161: Shaft spline

Runout – GDT Basics

GDT Symbol: Relative to Datum: Yes MMC or LMC applicable: No Drawing Callout: Description: Runout is how much one given reference feature or features vary with respect to another datum when the part is rotated 360 around the datum axis It is essentially a control of a circular feature and how much variation it has with the rotational axis

SHAFT

2015-7-29developed and released its new Guidelines on Shafting Alignment ClassNK's PrimeShip-SHAFT service provides clients with shaft alignment calculations based on these Guidelines Which serves as the cornerstone of the PrimeShip-SHAFT service Based on these Guidelines ClassNK provides a Shafting Alignment calculation system

Vibration Characteristics and Power Flow Analyses of a

Power flow Analysis of Propulsion Shafting System 3 3 1 Results Validation For the ship shafting system the excitation force is generated by the propeller and the frequency f S is in which r is the tones of propeller force (r = 1 2 3 namely blade tone double blade tone) z is number of propeller blades and n is the propeller speed