The following Corrective Action/Preventive Action taken to avoid Materiel chip off. 
1. Raw Material will inspect visually before issuing to production. If found any problem visually RM will be
quarantined. 
2. Dia 8 end mill life calculated, informed to operators to monitor the tool life.and change the tool after as mentioned. 
3. Steel butting plates flatness inspection done before
production starts.