Positioning device in hardware tool polishing machine
DONG BAILI, LI HUAQING, DONG LEI, JI DIANWEI, DONG YINGPENG, ZHANG ZHONGZHEN
Year of Publication 04.08.2023
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Year of Publication 04.08.2023
Patent
Corner grinding device for sleeve tool production
DONG BAILI, LI HUAQING, DONG LEI, JI DIANWEI, DONG YINGPENG, ZHANG ZHONGZHEN
Year of Publication 25.07.2023
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Year of Publication 25.07.2023
Patent
Part clamping equipment for hardware tool machining
DONG BAILI, LI HUAQING, DONG LEI, JI DIANWEI, DONG YINGPENG, ZHANG ZHONGZHEN
Year of Publication 09.06.2023
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Year of Publication 09.06.2023
Patent
Gust lock test device
ZENG XIAOHU, ZHANG YAO, LEE JUNG-WOO, ZHANG ZHONGZHEN, LI LEI, ZHOU ZHAO
Year of Publication 12.05.2023
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Year of Publication 12.05.2023
Patent
Clamping sleeve capable of rapidly replacing tool bit
DONG BAILI, LI HUAQING, DONG LEI, JI DIANWEI, DONG YINGPENG, ZHANG ZHONGZHEN
Year of Publication 25.04.2023
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Year of Publication 25.04.2023
Patent
Automatic grinding machine for simultaneously machining upper surface and lower surface of screwdriver
DONG BAILI, LI HUAQING, DONG LEI, JI DIANWEI, DONG YINGPENG, ZHANG ZHONGZHEN
Year of Publication 18.04.2023
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Year of Publication 18.04.2023
Patent
LOCK-LATCH MECHANISM APPARATUS
FEN, Zhengjiu, WU, Rongrong, YUAN, Qiangfei, HUANG, Zhenting, WU, Bin, ZHANG, Zhongzhen
Year of Publication 24.11.2022
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Year of Publication 24.11.2022
Patent
Gradient utilization system for waste heat of sinter cooling exhaust gas and use method
ZHENG SUIXU, ZHOU ZHIAN, HUANG YALEI, YOU GAO, ZHANG ZHIGANG, LI HUIMIN, LUO ZONGWEI, ZHANG ZHONGZHEN, XIA KEBIN
Year of Publication 09.06.2023
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Year of Publication 09.06.2023
Patent