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Bellows Design      
Metal Bellows Design Software Solutions (MBDSS) Version - 9.0  
 
 
EJMA and ASME Standards  
     

Our product the METAL BELLOWS DESIGNS is only of its kind in the global market which has been specially developed to cater to the design analysis of the expandable metal bellows / joints design. This software has been developed as a standard / customized package complying with the standards of both EJMA Ninth Edition and ASME.

 
     

The design offers excellent flexibility in terms of selecting the material and calculating design data for the metal bellows.

   
         

The Unique Features Of The Application

     
         
Every material Property is integrated with this package. It is easily adaptable to the various raw material properties based needs of the users.  
Selection of Materials vis-a-vis to working temperature and design pressure is computed by using the Material property values which is retrieved from the material Property  tables.  
User friendly unit conversion facility which can be adapted based on the raw material which is intended for. (In Psi/ Bar, Kg/Sq.Cm and Mpa ) is available.  
EJMA (Expansion Joint Manufacturer Association) latest standard 9th edition and ASME.      
Design calculation for four type’s expansion Metal bellows like un-reinforced, reinforced, rectangular and toroidal.      
Based on customer requirement, Design calculation can be made as per EJMA standard and ASME.        
User friendly alert Messages at various Stage.      

Movements, Stress Conditions, Cycle Life, Creep Range 

     

 

     
Flexibility in changing the Mechanical Properties Table values for any Materials during Design calculations.      
High level security.         
Any change in Ejma standard can be incorporated.      
All formula with input data and  detailed calculations provided to evaluate for all calculations manually.      
Final Calculations results both EJMA and ASME Standards.      
         
Modules      
         

Reinforced (Single / Dual)  

     
Unreinforced (Single / Dual)        
Rectangular (U / V Profile, Single / Dual)      
Toroidal (Single / Dual)      
         

Optional

     
         

Units ( Psi / Bar  Or  Kg Per Sq.Cm  and  Mpa ) 

     
Table Values ( Edit or View )        
         

This ensures your customized solution based on EJMA and ASME

     
         
All of the formula calculation and values are based on EJMA Latest version 9th  Edition and ASME.      
The input & output values are perfectly cross checked with the Bench mark calculations.      
         

Basic Inputs

     
         

Nominal Bore

NB

Inner Diameter of  the Bellow

ID

 

Thickness of Material

t

 

Convolution Height

W

 

Convolution Pitch

q

No. of Plies

n

 

No. of Convolutions

N

 

Design Pressure

P

 

Axial Movement ( Extn and Comp)

X

 

Lateral Deflection (Y and Z plan)

Y, Z

 

Temperature

T

 

Material Used

Mc

 

Output Values

 

 

Fatigue Life Cycle

Nc

 

Limited Design Pressure on Column Stability

Psc

 

Limited Design Pressure based on In plane instability

Psi

 

Axial Spring Rate per Convolution

Fi

 

Torsion Spring Rate

TSR

 

Lateral Spring Rate

LSR

 

Axial Spring Rate

ASR

Angular Spring Rate

ANSR

 

Stress Values

(S1-S6)& S1’,S1’’,S2’ ,S2’’

 

Bellow Material Thickness for One Ply during Thinning Forming

TP

 

Develop Length of Bellows 

DL

 

Effective Area

Ae

 

Trust force  at working pressure

Pt

 

Forming Pressure                                                                      

Fp

 

Max. Movement /Pressure

Cp

 

Deflection/Max. Movement

Cd

 

Deflection/Load

Cf

 

Maximum Axial Movement

Mam

 

Thinning Thickness Due to Forming

Tp

 

Bellows Allowable Stress(ASME CODE)

Sab

 

Over All Length of Bellows Element

Olb

 

Hydro Forming Pressure

HFp

 

Over all Length of bellows assembly

OLba

 

Axial Vibration

Axial. Fn

 

Lateral Vibration

Lat. Fn

Rocking Vibration

Roc. Fn

         
  Product maintain the following Tables      
         
 

CP Table

 

CD Table

 

CF Table

 

EB Table

 

SY Table

 

SA Table

 

B Table

 

Convolutions Table 

 

Acn Table

 

Lcn Table

         

Partial List Of Customers

     
         
Bhastrik Mechanical Labs Pvt.Ltd - Chennai      
Bengal Industries -  Haryana      
Coair - Tehran – Iran      
Everstrong Industrial Sales – Philippines      
Fluxcraft Industries - USA      
Fluidyne Engineers Pvt Ltd – Chennai      
FLEXICAN BELLOWS - Baroda      
Kanwal Industrial Corporation – UP      
RRD Decors Pvt Ltd – Kolkata      
PNLP KOREA Co. Ltd - South Korea      
Triad Bellows Design and Mfg. - USA      
         

CAD Automations | Bellows Design | EAM | DATA Acquisition & Monitoring Systems

         
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