Limits

What Springs Expert does not do

Every tool has edges. Ours are listed here rather than discovered after you pay, because a surprise on day two is worse than a no on day one.

Not released yet

There is no installer, no licence key entry and no way to buy yet. Everything on this site describes development code.

No add-in window yet

Today a test harness drives SOLIDWORKS. There is no ribbon tab and no parameter window for you to try.

Calculation for compression springs only

Extension and torsion springs can be modelled in test runs, but no spring rate, stress or load calculation exists for them yet.

No fatigue calculation

Fatigue is not calculated. For extension springs under dynamic load it will not be offered at all: EN 13906-2 has no fatigue diagram for them, because of stress concentration at the hooks.

No drawing or report yet

The development code creates the part only. Production drawings and calculation reports are planned and do not exist yet.

No configurations

A spring is built at one length. Free, working and solid length configurations are not built yet.

Hook join still being hardened

Extension springs pass the test matrix at one setting and fail at settings close to it. That is too narrow for a release, and it is being worked on.

Not fast yet

The slowest springs take tens of seconds to build. The target is well under that, and it has not been reached.

Provisional material values

Material tables in the development code are placeholders. They will be replaced with values from the published standards before release.

Out of scope for version 1

Disc, conical, wave, constant-force and spiral springs. No finite element analysis. No wizard for fitting a spring inside an assembly. No batch generation of spring families.

Inspect every model before you use it for manufacturing.

Something missing from this list? Tell us and it goes on the page: Help & FAQ.