News Januar 2019

  • DIN SPEC 91383 is now formally approved and publishedl
  • The continuous development of JT standardisation has reached the next milestone. JT Industrial Application Package V2 has been updated and enhanced (e.g. taking ISO14306-2017 into account). So we have generated a formal and public available document with the crediablity of the German Standarisation Organisation DIN. DIN Spec 91383 - 2018 can now be used and has the potential to be the starting description for the next version of ISO 14306.

  • The document combine different specifications and standards to a comprehensive industrial approved concept:
    • The definition of precise geometry is based on ISO 14306-2017, with  XT-B-Rep as mandatory mathematical representation 
    • The XML-structure- and kinematic-definition is based on ISO 10303  (STEP AP 242 -XML)
    • The extensions of JT specification and a mor powerful data-compression is based on  prostep ivip recommendation PSI 14-1:2016 (JTIAP V2)
    • The use-case-descriptions of JT Workflow-Forum are linked to  prostep ivip recommendation PSI 14-2:2015
  • The specification  is available and can be downloaded under  Download DIN Spec 91383


  • Implementations on JTIAP V2: results of the third survey
  • In March 2018, the third  worldwide survey on the current activities concerning the implementation of the JT Industrial Application Package Version 2 was carried out. Here are the results in summary:

    CAD ISV´s:

    • One hast a complete solution available
    • One supports JTIAP V2 and provide additional products based on the specification
    • One supports JTIAP V2 by using JT Open Toolkit
    • One supports JTIAP V2 by third party partners
    • One is preparing do deliver a solution shortly based on customer request


    • Seven have a complete solution available today
    • Four have parts of the solution available and are engaged in further development
    • One has postponed the implementation because of resource limitations
    • Two are waiting for customer request

    To sum up, I can state, the we have passed the “tipping point” and we can be sure, that the market will stimulate further enhancements. I would like the thank all ISV´s and System-Integrators for their outstanding engagements and results.

  • The results will be presented at prostep ivip Symposium in Munich in April 2018


    More details concerning JTIAP and the success of JT you can find under "events and publications"



    • JT Industrial Application Package Version 2 is approved and released.  After intensive evaluations JTIAP is now approved  by ProSTEP iViP Association as PSI 14-1, V2.
      With this user driven specification the  industries get an important contribution to expand the usage of JT. It is compatible with (ISO 14306) but adresses additional user requirements. All use-cases defined by JT Workflowforum (PSI 14-2) are supported.  JTIAP is aligned with the current Siemens JT Version 10 and includes a modern compression algorithm. Hence siginficant enhancements in performance and file-size-reduction are expected. For further information please visit  "Events and Publications"




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