Electrical engineering root cause analysis (RCA) related to welding machines and their poor availabilities and often fail.
Article Type: | Root Cause Analysis (RCA) |
Category: | Electrical |
Equipment Type: | Welding Machines |
Author: | S. Raghava Chari |
Note: This root cause analysis (RCA) is from real-time scenarios that happened in industries during the tenure of two or three decades ago. These articles will help you to improve your troubleshooting skills and knowledge.
Motor Generator Welding Sets, (MGWS) and even Rectifier Welding Sets (RWS) of no moving parts fail often in dusty and corrosive areas.
The author got the RWS internals housed in a shop-made below given features tank:
In addition, he ensured well-crimped tinned ‘hole drilled to suit terminal’ copper lugs to the Al welding cables, and well-tightened cable lugs by strict supervision to form a habit.
Gone are terminal burns, charred cable insulation, etc. Consequently, all welding machines were trouble-free forever.
Added ‘snail conveyor belt covers’ as in TEFC motors to MGWS, and strictly ensured their cleaning and return to the workshop immediately after corrosive areas job completions. MGWSs too serve trouble-free forever.
Author: S. Raghava Chari
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