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Structure and shape analysis of main bearing for aero-engine horizontal rotation assembly
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Zhe ZHAO1, Yongzhe FENG1, Guiqing SUN1, Jiucheng ZHANG2
Chinese Journal of Construction Machinery | 2025, 23(2) : 276 - 281
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Chinese Journal of Construction Machinery | 2025, 23(2): 276-281
• Design Manufacture and Quality Control •
Structure and shape analysis of main bearing for aero-engine horizontal rotation assembly
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Zhe ZHAO1, Yongzhe FENG1, Guiqing SUN1, Jiucheng ZHANG2
Affiliations
  • 1. Shenyang Engine Research Institute, Aviation Engine Corporation of China, Shenyang 110015, Liaoning, China
  • 2. Haitong Robot System Co., Ltd., Suzhou 215000, Jiangsu, China
Outline
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For the nut connection problems of narrow and deep cavity, invisibility, no access to traditional operating tools of aero-engine rotor, a new automation assembly method is advocated based on the image recognition and laser assisted positioning technology. The automated blind assembly torque device is developed with the functions of automatic folding of wrench head, accurate positioning, rapid nut recognizing, and electric loading, which can enter the narrow and deep operation space that is invisible to naked eye, to solve the low-level errors caused by artificial missing and wrong nuts, avoiding collision and damage on the inner wall of the shaft cavity. The device can carry out the compound tightening strategy with torque and angle to achieve the accurate automatic connection of engine rotor nut all the time, and the %GageR&R and %P/T of system precision are %22.21, %3.78 respectively through the test of automatic blind nut assembly, which will increase the accuracy and consistency on the large degree, which will lay the important foundation of the working stability and reliability of aero-engine farther.

aero-engine  /  rotor nut  /  automation  /  blind assembly  /  system accuracy
Zhe ZHAO, Yongzhe FENG, Guiqing SUN, Jiucheng ZHANG. Structure and shape analysis of main bearing for aero-engine horizontal rotation assembly[J]. Chinese Journal of Construction Machinery, 2025 , 23 (2) : 276 -281 .
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Year 2025 volume 23 Issue 2
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  • Online Date：2025-12-16
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Affiliations
    1. Shenyang Engine Research Institute, Aviation Engine Corporation of China, Shenyang 110015, Liaoning, China
    2. Haitong Robot System Co., Ltd., Suzhou 215000, Jiangsu, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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