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| Analysis and Prevention of Surface Cracking for Machinable Plastic Stretching Tool in Aviation |
| ZHANG Yongbing1, SU Yahong2, ZHENG Zaiyang1 |
(1. AVIC Chengdu Aircraft Industrial (Group) Co., Ltd., Chengdu 610091, China;
2. Chengdu Aeronautic Polytechnic, Chengdu 610100, China) |
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Abstract Crackle often appears on the surface of the traditional stretching tool during its producing. The paper analyses
the causes of cracking on the surface of machinable plastic stretching tool for aircraft skin, a new structure for machinable
plastic stretching tool is presented, while crackle could be prevented.
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2016, 
