Like a child selecting parts to construct a Lego model engineers bring together blocks of science to create new designs. These building blocks could be a load calculation, a beam calculation, a weld calculation, a fatigue calculation or any other calculation from a myriad of engineering topics. As...
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I have been chasing up feedback from new users signing up to XLC Pro accounts in the last month. I am delighted with their positive feedback. “I started using XLC but I am now insisting that my whole team use the add-in .“ “It is a great tool for validation and pres...
Engineering training - “I run a team of engineers and whilst there are plenty of soft options for training expounding the latest management techniques there is precious little to develop the engineering skills of my team”. This is a familiar story we hear from clients of our trai...
You are probably familiar with our tools of mass knowledge distribution on our website but ExcelCalcs also works more closely with corporate partners providing engineering training and engineering consultancy services. What’s more these services and ExcelCalcs subscriptions are availa...
ExcelCalcs eFormulas aims to replace traditional engineering formula books providing innovative functionality to copy from our webpages and paste directly into Excel. Once in Excel it is easily edited to suit your own problems this functionality is far more flexible than 'stuck on the web'&n...
At some time or other you will have been given someone else’s spreadsheet only to be left scratching your head not having a clue as to what the calculation is doing. If you are wise you will not use it because you can’t understand it. If you are wiser still you’ll use our...
In our good calculation guide we emphasise the importance of sketches in calculations but you can produce interactive 3D wireframe sketches by incorporating Turan Babacan’s latest upload. Turan uses 3D charts to great effect in his Excel FEM programs. Andy Pope also has a 3D chart spr...
A new version of XLC is in the final stages of development which will be compatible with the 64 bit version of Excel 2010 (currently it works with the 32 bit version of Excel 2010, 2007 2003 and 2000). We’ll keep you posted with progress. Please send us details of any features you ...
Calculation Procedure
Ultimate strength of material (max 1100MPa)
Applied stress
Diameter
Stress state factor
Size factor
Surface finish factor (approximate values using linear curve fit to tabulated data).
Stress concentration factor
Notch sensitivity factor
Fatigue notch factor
Fatigue limit factor
Fatigue reference stress factor
Fatigue reference stress (90% probability of survival)
Design Stress
Demand to capacity ratio
Allowable Stress Amplitude
Demand to capacity ratio
Calculate σall for given N using power trend line (fit equation: y=cxb)
Generate SN Diagram
Generate Goodman Diagram
Calculation Reference
Petersons Stress Concentration Factors
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Machinery's Handbook 18th ed.
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Crane Design
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BS2573
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ISO 4301
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