Change Management

1
Change Management

• Myrtle Beach, USA, March 2002

2
Review AP203 ed2

• PDM modules
• Extension modules
• Solid model construction history
• Geometric Design and Tolerancing
• 3D associative text
• PDM schema as conformance class
• Publish initially as TS
• Possible use for IR on procedural modelling
• ? relationship with AP214
• ? impact on other parts

3
Review Set theory

• Proposed new Integrated Resource for classes and
  set theoretic relationships
• Required for AP221 and PLCS
• Provides similar capability to product_category_re
  lationship
• Needs clear guidance for use
• Proposed for NWI/CD

4
Review AIC for cables and tubes with a fixed
cross-section

• Fixed cross-section along a curve
• circular
• non-circular with orientation
• Required for 210, 227 and 214 SEDS
• Will be reviewed by CAx Implementors Forum
• Would require additional entity in part 42 - need
  to relate to gear, any changes from IAI
• Needs harmonisation with 227 piping
• Draft AIC available by Stockholm
• Proposed for NWI/CD

5
Review Features AICs

• Feature construct model
• Series of AICs for machining feature resources
  for harmonisation across APs
• Use by AP224 edition 3
• Use by AP238 after CD ballot
• Need to consider the requirement for modules
• Need to ensure modules can be referenced from
  non-modular APs

6
Review Analytic Geometry

• Implicit solids by coefficients
• Quadric implicit solids
• Arithmetic of forms - extension to CSG
• Reduced file size for large complex models -
  shadows, etc
• Exact representation
• Basis of MPEG-4 solids
• Proposed PWI to be completed June 2003

7
Review AP for Process Planning

• Interface between CAPP systems
• Sharing between CAPP and CAM
• Capture and archive of legacy process planning
• Covers macro process planning
• Replaces AP213
• Feeds into AP238 for STEP-NC
• Feeds into traditional part programming activity
• Needs to take into account AP214 UoF
• Needs to harmonise with Manufacturing Task Force
  proposals
• Consistency with SC1 strategy confirmed

8
Resolution of comments on TS

• Technical Specification has only one ballot
• How do we confirm that comments are addressed?
• Resolution confirmed with originator, if possible
• Internal review by team
• Convenor assessment of significance of change
• Option for four week confirmatory ballot
• In case of doubt, ballot

9
Technical issues

• ISO 3098-1 withdrawn - resolution for TC10
  liaison
• SEDS issues
• Process in place - all new SEDS loaded
• Print function added to database
• TC issues - Amendments required for
• Part 41 ed 2
• Part 42 ed 2
• Strategy for using EXPRESS 2
• Short term solution using short-2 to long-1
• Long term is to upgrade 2x series
• Urgent need for completion of EXPRESS 2.0

10
Technical Corrigenda

• Technical Corrigendum (correcting errors, short)
• SC4 publish on SOLIS
• ISO publish via webstore, and on paper
• Minor amendment
• either
• handle as TC (above) with FDIS ballot
• or
• update document
• ballot as minor revision with FDIS ballot
• ISO publish as new edition on CD-ROM and webstore