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Spot welding defect FTA (Fault tree analysis). Report
SPOT WELDING DEFECT FTA We all mechanical/automobiles/ production engineers must be aware of welding processes. The welding process is a process of joining two metal parts due to fusion created at their joining area because of high current/voltage applied at electrode wire. If we want proper, aesthetic, and functional wise well welding then it needs voltage-current ration in define and set rate. Electrode force should be as per define and set amount. Air pressure should also be in a defined quantity. Cooling water used is also properly flowed over the cycle in the system. An operator who is operating a gun for welding should also properly trained about gun angles, tip filing, etc... If everything goes on as per set and define amount then our welding quality must have to be ok. if it's not then we have to face some defect generation. We will see all spot welding defects and their reasons for generation and what should we d...
Gap analysis process and shunting analysis process
GAP ANALYSIS AND SHUNTING ANALYSIS Gap analysis:- when there is a process of joining two parts either by welding or any other medium there should not be a gap in between two metal near joinery area after joining. If there is a gap that appears after welding or sporting or any other way it may cause the failure of that part or body in the field. Also, gets get rejected by an aesthetic point of view. So In the gap analysis study, we use to plan first about how we should go trace gaps in parts and find out the root cause for that gaps. After making planning from where we went start with our team we have to prepare a proper format for various fixtures, stations, robots ( ITG Gun in case of manual ), and various subparts of the big assembly. After making formate we have to physically visit station to station with our team to find out gaps and how it's gone create. After discussing with the team take corrective preventive action so that we can extract gaps from parts to make it b...
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