Western Machine Works

Projects

Hydro equipment machining – spillway gate trunnion bases


Our team successfully executed the high-precision machining of 16 spillway gate trunnion bases for a global steel fabricator, ensuring full compliance with OEM technical specifications. This complex project involved meticulous machining, bushing installation using dry ice, and precise drilling to meet exacting engineering requirements. Through rigorous quality control and seamless project coordination, we delivered fully compliant components on schedule, facilitating smooth field installation.

Project:

  • Part: Spillway Gate Trunnion Bases (16x)
  • Details: High-precision machining and assembly
  • Customer: Global steel fabricator

Challenges:

  • Demanding high-precision machining and OEM technical specifications
  • Multiple technical inspections and quality checks to ensure conformance and document non-conformance as needed
  • Required meticulous coordination and project management to meet all technical and scheduling requirements

Engineered Solutions:

  • Clean and prep spillway gate trunnion bases for assembly and machining
  • Prep for bushing installation using dry ice
  • Install customer provided bronze bushings to trunnion bases following OEM procedure
  • Drill grease grooves in bushing to trunnion base
  • Drill grease ports per drawings and install NPT plugs on openings
  • Machine (6) dowel pin holes in the bearing trunnion base plate and the trunnion base in accordance with approved drawings
  • Install bearing base plate
  • Complete technical report and documentation
  • Ship prep and transportation services

Results:

  • All technical specifications were achieved.
  • Machined components were completed to meet the installation schedule and were successfully installed in the field.
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