| Roark's Formulas for Excel Update: Release 7.0.7 |
| Effective Date: Jan 29, 2010 |
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| Click here to update: Roark's Formulas for Excel Update: Release 7.0.7 |
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| TK Solver 5.0 Update: Release 5.0.141 |
| Effective Date: Jan 22, 2010 |
NOTICE: Windows 7 “Aero” themes do not display the TK Solver sheet icons correctly.
To change to a non-aero theme:
- Right-click on the desktop and select “Personalize”
- Choose any theme from the category “Basic and High Contrast Themes”
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| Click here to update: TK Solver 5.0 Update: Release 5.0.141 |
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| Advanced Spring Design - Automatic Update: Release 7.11 |
| Effective Date: Oct 31, 2011 |
Existing ASD customers: updates will automatically be downloaded upon program start-up.
NOTICE:
If the text on your ASD7 forms seems too large for the forms, getting cut off by the neighboring text and boxes, you need to adjust the DPI setting for your computer to the “Default Scale” of 96 DPI. After restarting your computer, the text will fit properly in your ASD7 forms. If you need to increase the size of the forms on your screen, use a different resolution. The screen resolution is independent from the DPI setting.
If you need instructions on how to make these changes, please contact UTS at support@uts.com and we can provide a document giving specific instructions for the operating system on your machine.
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Updates in ASD release 7.11: |
Enterprise Version Administration Updates:
- Designs can be archived, making them effectively "read only" to ALL users.
- Users can be classified in more ways, giving them FULL or "read-only" access to designs they did not originate.
- Users can selectively block others from viewing their own designs.
General - File Export:
- Files can be exported as .TXT or .XML formats for reading by external programs.
General - File Open Window:
- When a user searches and the results come back, the number of designs returned are shown.
- The Open button was moved to the left.
General - Close ASD Options:
- Dialog now offers "Yes", "No", and "Cancel" options.
General - Metric Wire Sizes:
- The number of standard metric wire sizes is increased from 29 to 54.
General - Chrome Silicon and Chrome Vanadium Materials:
- Updated the MTS coefficients based on the ASTM data table.
Extension Springs:
- Hook 1 and Hook 2 lengths are no longer optional inputs. Their values are driven by the geometry components.
- Free length now accounts for nesting of tapered end coils.
- Bug fix – The interface wasn't always synchronized with the 3D graphics.
Rectangular Wire Torsion:
- Switched to use equivalent cross section area for MTS estimation. Was using moment of inertia.
- Body length formula updated to properly account for keystoning.
Compression Springs:
- Metric stress/deflection plot scale bug fixed.
- Changed the stress correction factor back to K1 for fatigue calculations but still use K2 for static load conditions. That is, the corrected stresses reported for preset springs ARE NOT used for the fatigue life calculations. The program first multiplies the stresses by K1/K2 before applying them to the fatigue life calculations.
Hot Coiled Compression Springs:
- Input form corrected to show Expanded Coil OD.
Belleville Washers:
- Improved the ability to backsolve under various input scenarios.
- Reduced the stress at which preset is recommended, based on table RR-13 in the online help.
Wave Washers:
- Added two new caution messages regarding the stress at solid and the ratio of the diameter to the radial wall. The ratio should be around 8 and if it's much less, a Belleville is suggested.
Constant Force Springs:
- Cycle life estimate added.
- MTS is now a function of strip thickness, for three possible grades and is now an optional input.
Spiral Torsion Springs:
- Cycle life estimate added.
- MTS is now a function of strip thickness, for three possible grades and is now an optional input.
- Available turns variable was incorrect… it is now defined as Turns to Set minus Deflection.
Power Springs:
- Cycle life estimate added.
- MTS is now a function of strip thickness, for three possible grades and is now an optional input.
- Three new variables added to describe winding in addition to unwinding.
Conical Extension Springs:
- Hook extension variables now appear on the form and report.
Torsion Bars -- Round and Rectangular:
- Variable sk% added to the interface and reports with the description "% of MTS".
Beam Springs:
- Life variable added to all four models. Forms and reports should be updated to include it.
Snap Rings:
- The 3D image axial and radial thickness dimensions were reversed.
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| Advanced Spring Design - Automatic Update: Release 7.10 |
| Effective Date: Dec 29, 2010 |
Existing ASD customers: updates will automatically be downloaded upon program start-up.
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Updates in ASD release 7.10: |
ALL Spring Types:
- Fixed a bug in the DXF image generator which caused ASD to crash after subsequent operations.
Extension Springs:
- Fatigue life calculations/plots updated.
- End types modeled more accurately on the input/output form (not yet in the illustrations).
Torsion Springs:
- Natural frequency formula updated to use active coils instead of only the body coils.
- Free angle tolerance added.
Conical Springs:
- For two conical springs in series, transition coils pitch can now be independent of the pitches on each end.
Power Springs:
- Prestressed spring calculations updated.
- Plot labels updated.
- Variable descriptions improved.
Compression Springs:
- Pitch angle now works the same as pitch as an input in iterative calculations.
Conical Compression Springs:
- Free length and solid length calculations updated for telescoping springs.
Belleville Washers:
- Fixed a report bug involving the free height units.
Extension Garter Springs:
- Improved the flexibility and accuracy in modeling the connection of the ends.
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| Advanced Spring Design - Automatic Update: Release 7.09 |
| Effective Date: Jul 15, 2010 |
Existing ASD customers: updates will automatically be downloaded upon program start-up.
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Updates in ASD release 7.09: |
Power Springs:
- Updated and tested the Power Spring formulas based on those from A. M. Wahl’s Mechanical Springs book.
Wave Washers:
- Default value appeared for the washer OD if the ID is given. Fixed in model now.
Torsion Springs:
- Dimensional scenario now has Total Coils as a green box.
- Arbor diameter added to the interface.
Extension Springs:
- Arbor diameter added to the interface.
Conical Springs:
- Rate infeasibility check was not sensitive enough.
- Changed the quick start fields.
- Improved initial guesses for common scenarios.
- Report was poorly formatted near the index values.
- Report was crashing if the rate plot was selected.
Rectangular Torsion:
- Optional inputs were not working.
Interface:
- A message is now displayed when the solver is unable to converge to a feasible solution.
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