Changelog

All changes from the previous version are indicated in the specification as follows:

Changes from REXS version 1.3
Modified/extended contents

Overview of all changes from version 1.3 to version 1.4

Enhancements:

Adjustments/clarifications:

  • Interface Structure
    • The unit symbol for degrees is now "deg" instead of "°"
  • Coordinate System
    • The gear_unit component should refer to itself as a reference component.
  • Product Model
    • Clarification: multiple "ref" tags with the same role are not allowed in a relation.
  • Attribute Database
    • Various modifications and enhancements. These are documented in the REXS database.

Overview of changes from version 1.2 to version 1.3

Enhancements:

  • Modeling notches
  • Modeling rolling element contact
  • Modeling flank-tool manufacturing data relationships for all gears
  • Modeling additional masses
  • Referencing GDE and Klingelnberg neutral data files
  • Application language in the REXS file header

Adjustments/clarifications:

  • Interface Structure
    • File and folder references
    • Naming convention for bilaterally agreed extensions
  • Modeling
    • Individual mesh-related gear data and gear flanks
    • Multiple casing components
    • FE reduction points not connected to the analytical model
    • Assigning lubricants to bevel gear and worm stages
  • Attribute Database
    • Various modifications and enhancements. These are documented in the REXS database.

Overview of changes from version 1.1 to version 1.2.

Enhancements:

  • Modeling flank modifications and deviations
  • Modeling worm stages
  • Parametric struts in planet carriers

Adjustments/clarifications:

  • Interface version number
  • Attribute Database
    • Various modifications and enhancements. These are documented in the REXS database.

 

 

Overview of all changes from version 1.0 to version 1.1

Enhancements:

  • Modeling ring gear stages
  • Modeling planetary stages
  • Modeling FE and CAD assemblies
  • .rexsz zip archives
  • Extension of the attribute list for mechanical system calculations

Adjustments/clarifications:

  • Interface Structure
    • .rexs as file extension for XML files
    • Naming convention for calculation attributes
    • Management of missing attributes
  • Product Model
    • Incomplete relations are not permitted
    • "order" in relations begins at 1 and increases in increments of 1
    • Permitted component types for various relations clarified/supplemented
  • Modeling
    • Clarification of the "inner_part" and "outer_part" roles for bearings and couplings
    • All bearing rows and rolling elements of a rolling bearing must always be explicitly modeled
    • Option for assigning lubricants to stages
  • Coordinate System
    • Definition of the origin for bevel gear and side plate components
  • Attribute Database
    • Various modifications and enhancements. These are documented in the REXS database.