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東莞市廣毅榮冷拉鋼廠；精密帶鋼在熱處理生產(chǎn)的過程中,往往需要停下設(shè)備來對帶鋼的彎曲變形進(jìn)行人工拉線檢測,通過ADC定時采集位移傳感器產(chǎn)生的數(shù)據(jù),并由MCU處理、記錄,可以實(shí)現(xiàn)對帶鋼彎曲變形的在線自動檢測,通過試驗(yàn)驗(yàn)證該在線檢測系統(tǒng)可以有效地提高檢測精度和帶鋼生產(chǎn)效率,并實(shí)時建立起帶鋼彎曲變形數(shù)據(jù)庫。 Precision strip steel production in the heat treatment process often need to stop bending deformation of the strip pull test. The data which acquired by ADC timing collected by the displacement sensor and generated by the MCU processing and recording, can achieve the line automatic detection of strip bending deformation, verifying by experiment that the system can effectively improve the detection accuracy and strip production efficiency, and establish real-time database of bending strip. 針對國內(nèi)某廠冷連軋高強(qiáng)鋼生產(chǎn)過程中帶鋼頻繁跑偏問題，對原料楔形及帶鋼跑偏進(jìn)行了模擬分析，根據(jù)體積不變原則及楔形率變化研究了帶鋼在機(jī)架內(nèi)跑偏的靜態(tài)模型和動態(tài)模型。結(jié)果顯示，軋制過程中帶鋼原料楔形與其在機(jī)架內(nèi)的跑偏呈二次積分關(guān)系，不能簡單通過楔形正負(fù)抵消來消除軋制過程跑偏。 To the problem of high-strength strip running-off frequently during cold continuous rolling, the relation ship between material wedge and strip running-off were analyzed. Both static and dynamic models of strip running off were studied based on wedge rate changing and principle of constant volume. The results show that there is 2-order integration relationship between material wedge and strip running-off during cold rolling. The running-off can not be eliminated by wedge positive-negative offset. |
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