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スプリング溶接

2017-09-22View Original

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65mnスプリングの溶接部が破断しましたが、どう対処すればよいですか?溶接後に焼き戻し処理は必要か、温度と時間はどのくらいか?皆さん、お手伝いをお願いします。ありがとうございます。
Reply #22017-09-24
ばね鋼は高炭素鋼で、溶接前に予熱し、溶接後は徐冷します。焼き戻し処理については、中温焼き戻し(300~500℃)を検討できます。保持時間についてはググってみてください。私は熱処理にあまり詳しくありません

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