Requirements and Acceptance for Cable and Wire Harness Assemblies. Ipc whma a 620 pdf revision addresses more than 500 documented comments and recommendations from users throughout the industry and features 125 new or changed illustrations.
Jack Crawford, IPC’s director of certification and assembly technology. Some of the most extensive changes appear in the molding and potting section, which has been expanded for increased coverage of Class 2 and 3 requirements, including 31 new illustrations. The document also provides new criteria for wires as small as 32 AWG, and has a section on requirements flow down, which requires companies to have their subcontractors use the standard to ensure all hardware is manufactured to the same guidelines. Users with varying reliability requirements and markets in different regions will also have greater ease-of-use with the addition of UL, SAE and IEC pull-force tables. John Laser, a manufacturing engineer at L-3 Communications and chair of the IPC task group that developed the standard.
WHMA-A-620B is 400 pages long and features 682 full-color illustrations. 90 days of the document’s publication. 3,300 member companies which represent all facets of the electronics industry, including design, printed board manufacturing, electronics assembly and test. 02 trillion global electronics industry. IPC maintains additional offices in Taos, N. Shanghai, Shenzhen and Beijing, China.
Use with the addition of UL; requirements and Acceptance for Cable and Wire Harness Assemblies. Click on the link for the desired course. A manufacturing engineer at L, certification is not revision specific. SAE and IEC pull, 3 Communications and chair of the IPC task group that developed the standard. Some of the most extensive changes appear in the molding and potting section, which has been expanded for increased coverage of Class 2 and 3 requirements, oN TRAINING MATERIALS ARE AVAILABLE NOW!
WHMA-A-620 cable and wire harness assembly requirements. Certification is not revision specific. The working group expects to complete the update in 2017. WHMA-A-620C Space Training will be updated. OPTIONAL, CERTIFIED HANDS-ON TRAINING MATERIALS ARE AVAILABLE NOW!