DOD-STD-2188 Base Document:1987

1 SCOPE
  1.1 Scope
2 REFERENCED DOCUMENTS
  2.1 Government documents
       2.1.1 Specifications and standards
  2.2 Order of precedence
3 DEFINITIONS
  3.1 Free spread
4 GENERAL REQUIREMENTS
  4.1 General
  4.2 Manufacturing and quality control procedures
  4.3 Manufacturing methods
  4.4 Quality control
5 DETAILED REQUIREMENTS
  5.1 Materials
       5.1.1 Tinning
       5.1.2 Babbitt
       5.1.3 Fluxes
       5.1.4 Cleaning and etching agents
       5.1.5 Shell materials
       5.1.6 Asbestos
  5.2 Shell preparation
       5.2.1 Shells for rebabbitting or babbitting
       5.2.2 Shell machining
       5.2.3 Babbitt-shell interface machining
  5.3 Shell cleaning
       5.3.1 Mild and silver steels, copper and wrought iron
              bearing shells
       5.3.2 Medium carbon steel bearing shells
       5.3.3 Nickel steel bearing shells
       5.3.4 Tin bronze, phosphor bronze, brass and leaded
              brass bearing shells
       5.3.5 Cast iron bearing shells
       5.3.6 Steel or bronze bearing shells
  5.4 Shell stop-off
  5.5 Shell fluxing
       5.5.1 Bath fluxing
       5.5.2 Brush or spray fluxing
  5.6 Tinning
       5.6.1 Flux removal
       5.6.2 Tinning controls
  5.7 Babbitting process
       5.7.1 Static babbitting process
       5.7.2 Centrifugal casting process
  5.8 Post-babbitting machining
       5.8.1 Finished bearing
  5.9 Metallurgical bond test
  5.10 Metrology equipment and facilities
       5.10.1 Inspection system
6 NOTES
  6.1 Intended use
  6.2 Implementation guidance
  6.3 Data requirements
  6.4 Subject term (key word) listing
FIGURES
1 Static casting jig
2 Cooling water arrangement

Essentials for static and centrifugal casting of QQ-T-390, grade 2 babbitt on steel or bronze bearing shells.