We conducted an investigation including visual inspection, penetrant testing, and SEM observation! Based on the investigation report, we have newly manufactured the product.
We would like to introduce a case study for the paper industry titled "Investigation and Production of Screw Breakage Causes." During operation, a screw broke, and the technical center conducted an investigation into the cause. We performed various examinations, including visual inspection, penetrant testing, and SEM observation. Additionally, based on the investigation report, we produced a new screw. 【Investigation Details】 ■ Visual Inspection ■ Penetrant Testing ■ SEM Observation ■ Macro Observation of the Joint Cross-section ■ Micro Observation of the Joint Cross-section *For more details, please refer to the PDF document or feel free to contact us.
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【New Production Process】 ■Material Arrangement: Pipes, Shafts, Blades ■Machining: Finishing only the assembly parts ■Blade Bending Process: Integrating blades and ribs to enhance strength ■Welding: Welding with preheating to a degree of hydrogen diffusion ■Machining: Shaft finishing and metal chip installation ■Maintenance: Smoothing the weld bead area ■Inspection: Dimensional inspection and PT inspection of welds *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Osaka Fuji Industrial Co., Ltd. has refined its welding, thermal spraying, and machining technologies, and has grown as a partner to major steel manufacturers since its establishment in 1955.