Version 2.3.4.0        25 February 2021

Main changes

  • Extension springs could fail to save design details on update (note: bug introduced in previous version)
  • Notification and logging of failed saves introduced.
  • Torsion spring angles on drawing show zero rather than blank where appropriate.
  • Operating data for all spring types shows zero rather than blank (e.g. for deflection and load if length is set to free length for a compression spring).



Version 2.3.3.0        17 February 2021

Main changes

  • Saving of torsion spring could fail to load back in.
  • Torsion spring calculations wrong for inside diameter at deflected position for rectangular (non-square) wire.



Version 2.3.2.0        10 February 2021

Main changes

  • Addition of ISO 6931-1 stainless steel.
  • Bug fixed when animating torsion/extension springs with no operating positions defined.
  • Extension spring loop diameter added to printouts.
  • Compression spring drawing of end types under certain conditions could be wrong.
  • Torsion spring specified torque tolerances not always showing.
  • Changing material could clear the Goodman diagram and not repopulate it.
  • Design management failed moving non-standard springs.
  • Minor fixes to torsion and conical spring drawings.



Version 2.3.1.1        20 October 2020

Main changes

  • Internal debug release.



Version 2.3.1.0        19 October 2020

Main changes

  • Torsion spring bug loading in old designs fixed.
  • Torsion spring drawing shows angles correction in both coiling directions.
  • Torsion spring PDF output of “spring only” printed three springs.
  • Torsion spring number of coils shown to 3 decimal places to improve accuracy of free angle.
  • Design details section made neater on all printouts.
  • Relaxation printout shows which position used.
  • Two bugs fixed that were introduced in v2.3.0.0 (fatigue diagram crashing with no operating positions entered, and changing the material type filter in the conical spring type).



Version 2.3.0.0        6 October 2020

Main changes

  • Roll-up of all previous fixes into new public release.



Version 2.2.0.12        6 October 2020

Main changes

  • German translations added.
  • G and E modulus values can be edited.
  • Allow direct selection of material grade on the material selection popup window.
  • Extension spring fatigue diagrams for body/loop selectable both on screen and on printout.
  • More information included on all fatigue diagram printouts.
  • Design name and location popup appears when saving design rather than on startup.
  • Spring rate included in non-standard load/length window.
  • Production drawing defaults to “use selected tolerance” and allows you to choose a tolerance grade directly.
  • Text sizing and positioning improved on all spring drawings.
  • Compression spring optimisation minor issues fixed.
  • Minor issues with stress data grid on rectangular wire spring PDF.
  • Wire diameter tolerance corrected for ASTM materials.
  • Design name included on window.
  • Fixed bug that meant user was unable to enter a deflection in the third operating position when two were used to define the spring.
  • Added minimum length warning to Goodman diagram.
  • Added second torsion spring drawing print page to show just a single spring.



Version 2.2.0.11        23 July 2020

Main changes

  • Fixed crash with conical springs when changing to “3 parameters plus free length plus 1 load/length”.
  • Included notification when a conical spring operating position defining the spring isn’t in the linear range.
  • Fixed bug where compression springs didn’t calculate using operating positions if the load value was very small.
  • Torsion spring stress grid used the wrong colours if a Specified tensile was used.
  • Fixed coil gap and body length calculations for rectangular wire torsion springs.



Version 2.2.0.10        9 July 2020

Main changes

  • Fix to printout errors (only introduced in v2.2.0.9).
  • Fixed error that showed unground springs as buckling stable.
  • Production drawing screen improved to make it easier to see and use the Additional Information box.



Version 2.2.0.9        6 July 2020

Main changes

  • Angles labels added to torsion spring drawing
  • DIN 2096 hot coil tolerance calculations corrected
  • Compression printout improved to show all coil diameters
  • Improvement to stress data grid on printouts (positioning of Specified stress values)
  • Ounces added as an available load unit
  • Design name wraps properly to fit within box on printout
  • Incorrect spring index warning on conical spring calculated data fixed.



Version 2.2.0.8        3 June 2020

Main changes

  • Production drawing “minimum length” value takes account of application type.
  • EN stainless steel did not have tensile strength below 0.2 mm wire diameter.
  • Extension spring calculated data clarified to show correct label for max deflection, and max working length added as an optional variable.



Version 2.2.0.7        24 May 2020

Main changes

  • Upper tensile strength of EN 10089 grades of hot coil material adjusted to match the standard.



Version 2.2.0.6        18 May 2020

Main changes

  • Compression optimisation defaults to last grade of material when opening.



Version 2.2.0.5        30 April 2020

Main changes

  • Fixed extension spring body length error, if entered in non-metric units.
  • Various extension spring drawing improvements (mainly text size).
  • Load/length graph improvements: scaling/fitting of rate graph, and rate value included in operating data table.
  • Conical load/length graph works properly in non-metric units.



Version 2.2.0.4        20 April 2020

Main changes

  • Drawing bug fixed on compression spring with open and ground ends.
  • Torsion spring helix angle calculation fixed.
  • Compression spring printout template for spring drawing improved – now includes labels and also the spring in both free and solid positions.
  • Torsion spring drawing shows coil gap in free position.
  • Bug fixed where cancelling the “save as new design” window still saved.



Version 2.2.0.3        9 April 2020

Main changes

  • Torsion spring shows coil gap at both free and operating positions (for open-coiled springs).
  • Various warnings added to torsion, rectangular and conical spring types.
  • Option added for extension springs to show both body and loop stress Goodman diagrams at the same time.
  • Drawing added to extension spring production drawing.
  • Conical spring should work properly with different design input modes.
  • Correct date/time shown on printouts (under “design saved”)



Version 2.2.0.2        3 April 2020

Main changes

  • Several improvements/fixes regarding specified tolerances for torsion springs.
  • Layout of Goodman diagram on printouts improved to make notes easier to read.
  • Operating positions used for Goodman diagram included on printout.
  • “Save as new design” now works properly for all spring types.
  • Print button brings print preview window to front when already open.
  • Coding changes made that should improve performance when updating output windows.



Version 2.2.0.1        1 April 2020

Main changes

  • Torsion spring max free coil gap variable name clarified, and actual free coil gap calculation added.
  • Fix for crashing on some computers when saving PDF pages with graphics in.



Version 2.2.0.0        1 April 2020

Main changes

  • All inputs saved with design for compression spring optimisation.
  • Other small improvements to compression spring optimisation.
  • Rectangular wire compression spring type added.
  • Conical compression spring type added.
  • New “Export Data” option for non-standard compression.



Version 2.1.2.6        11 March 2020

Main changes

  • Selected positions indicated on Goodman diagram printout.



Version 2.1.2.5        23 March 2020

Main changes

  • Both corrected and uncorrected stresses added to calculated data printouts.
  • Licensing libraries updated – fixes bugs seen occasionally with software not releasing a floating licence lease.



Version 2.1.2.4        18 March 2020

Main changes

  • Company logo included on production drawing.
  • Layout of torsion spring printout/PDF improved.
  • Minor bugfixes.



Version 2.1.2.3        17 March 2020

Main changes

  • Font sizing and layout improved on high-dpi screens



Version 2.1.2.1        11 March 2020

Main changes

  • Compression spring optimisation notifies properly of failed solutions.
  • Compression spring optimisation constraints colour coded for meet/violate.
  • Fatigue life factor added to compression spring optimisation.
  • Relaxation calculation results over 20% result in “excessive relaxation” message as in previous versions.
  • Bug fixed where the input dimensions in the Calculated Data grid keep their old values after Reset clicked.
  • Torsion spring drawing: axial legs shown correctly.
  • Switching lower/upper tensile didn’t take effect on all output windows – fixed.
  • Torsion spring drawing: open coiled springs had legs coming off the body at the wrong angle – fixed.
  • About screen shows more licensing information.
  • Error message that sometimes came up when first saving floating licence server details has been fixed.
  • Two outputs for the non-standard spring type (stress distribution graph and stress colours on the drawing) should now work properly with non-metric units.
  • Load/length graph window now updates material name correctly.
  • Non-standard visual editor prompts to save changes when window closed by top-right button.



Version 2.1.2.0        4 Feb 2020

Main changes

  • Compression spring end type and tip thickness details added to printout.
  • Compression spring drawing printout includes coil diameter and free length tolerances.
  • JIS G 3522 SWP-B fatigue data added.
  • Conical and rectangular wire compression types added for beta testers.
  • Bug fixed where saving extension spring tolerances to PDF file crashed.
  • Import process added to Help.



Version 2.1.1.0        21 Jan 2020

Main changes

  • Torsion spring rate calculation bug fixed. Only affected releases since 2.1.0.0.



Version 2.1.0.2        9 Jan 2020

Main changes

  • Compression spring warnings added to calculated data grid.
  • Extension spring: pressing enter with no value entered in the initial tension field cleared the design.



Version 2.1.0.1        8 Jan 2020

Main changes

  • Non-standard type enabled in trial.



Version 2.1.0.0        8 Jan 2020

Main changes

  • Non-standard compression spring type added.
  • Special Considerations window added to compression spring type.
  • Dynamic relaxation calculation fixed.
  • Various small fixes with display of outputs in different units.
  • Various fixes to the torsion spring type (many around the correct saving of designs).
  • Various cosmetic fixes to printouts and PDF exports.
  • Torsion spring modulus changes with temperature [NOTE, this gives an INCORRECT rate calculation, fixed in 2.1.1]



Version 2.0.1.8

Non-Standard beta changes

  • Can now import designs from SCP v1.
  • Can now export 3D model.
  • Beta testers who did not already have the non-standard spring type in SCP v1 were unable to load back in saved designs.
  • Various PDF export options were missing (or crashed) that worked when printing directly to printer; all should be fixed now.
  • Design Management window (on the Tools menu) should work properly with non-standard springs now.
  • Various niggles with the spring drawing using Imperial (English) units fixed.

Main changes

  • Animation window shows current length/angle as the slider is dragged.
  • Searching of material selection window should now be fixed.
  • ASTM A313 631 17/7 fatigue data added.



Version 2.0.1.7

Non-Standard beta changes

  • Print pages should be more or less finalised now.
  • Stress distribution graph always showed uncorrected stress, regardless of design standard chosen.

Main changes

  • Lateral Characteristics table showing on PDF export
  • Stress grid on PDF export could get the operating position header colours wrong.
  • Specified tensile was not always being saved/loaded correctly.
  • Additional 2 lines available for company information (also appears on all printout pages).
  • Long material names were overwriting other text on printout (both calculated data and production drawing pages).
  • Date field added to all printout pages.
  • Extension spring available deflection added to available Calculated Data fields, and included on printout.
  • Extension spring displayed free length text but with body length value on the animation drop down.
  • Compression spring tolerance printout only shows diametral space diagram when rod or bore diameter is specified.
  • Diametral diagram was showing on printouts but not on PDF exports.
  • Material popup window crashed (only in recent versions) when searching by material name.
  • Printouts now show specified coil diameter (outside, inside or mean) rather than always outside diameter.
  • Lateral characteristics bugfixes: entering a value and clicking elsewhere caused a crash, and free length lateral deflection wasn’t being saved.
  • Exporting PDF and overwriting an existing file that was open caused a confusing error message.



Version 2.0.1.6

Non-Standard beta changes

  • Progress bar shown when creating animation (useful for stress animation which takes a few seconds to start).
  • Various outputs (e.g. load/length graph) no longer show when there is spring interference.
  • Added button to the Visual Editor to allow easy adjustment of spring to meet specified free length.
  • Animation window allows animation to start from working length (not just from free length).
  • Animation no longer glitches when it reaches solid length.
  • Upper/lower tensile options work properly.
  • Rate at each operating position now works in current units (previously, only showed metric value).
  • Specified tensile changes its units properly.
  • End tip on drawing lines up correctly.
  • Changing the drawing type (from normal to active/inactive to stress levels) works.
  • Can enter a blank value to clear the input for wire or coil diameter.
  • Coiling direction dropdown on the drawing window affects the spring drawing.

Main changes

  • Extension spring initial tension warning when too high (following EN 13906-2 rules).
  • Exporting design with no template selected no longer crashes.
  • Tab order adjusted on the “new spring design” window.