Auto Cast On Strap (COS)

Farmer Mold & Machine Works Inc. / Auto Cast On Strap (COS)

Auto Cast On Strap (COS)

The Farmer Cast On Strap machine has been the workhorse of the industry for over 35 years. From the early designs, which then revolutionized the battery assembly process, Farmer has continued to improve the Auto COS’s solid design and foundation. Today, our COS machine offers one of the most attractive cost competitive solutions to your basic Cast on Strap needs.


  • PLC controls with operator interfaces
  • Hydraulic actions on all moving parts to facilitate a smoother machine function
  • Space-saving cylinder
  • Actuator options

Recent Improvements:

  • Improved lead delivery system for improved strap thickness consistency
  • Improved basket component design resulting in reduced maintenance

Other Features & Benefits:

  • PLC Controls with operator interface
  • Production rates up to 4 batteries per minute
  • Improved basket design for more reliable operation
  • Improved ventilation in the loading and dropping stations
  • Pre-heated quick change mold and manifold tooling available
  • Gas or electric fired lead melting furnace
  • One of the smallest machine footprints available
  • Robust main drive indexing system with additional main shaft support
  • Centralized lubrication points
July 26, 2020