Strength Simulation Analysis of Lightmass Aviation Tire Carcass Based on Finite Element Simulation

doi:10.19894/j.issn.1000-0518.240389

Chinese Journal of Applied Chemistry ›› 2025, Vol. 42 ›› Issue (7): 955-961.DOI: 10.19894/j.issn.1000-0518.240389

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Strength Simulation Analysis of Lightmass Aviation Tire Carcass Based on Finite Element Simulation

Peng WANG¹, Jia-Lin GUO², Ying ZHANG¹, Chang-Yan SU¹()

^1.T -Rubber Co. ，Ltd. ，Shenyang 110144，China
^2.State Key Laboratory of Polymer Science and Technology，Changchun Institute of Applied Chemistry，Chinese Academy of Sciences，Changchun 130022，China

Received:2024-11-27 Accepted:2025-02-01 Published:2025-07-01 Online:2025-07-23
Contact: Chang-Yan SU
About author:suchangyan211302@163.com
Supported by:
the National Key Research and Development Plan Project(2023YFB3709503)

Abstract

Abstract:

Taking 1030×350 aviation tires as an example， high strength HS1400dtex/2 nylon 66 cord was used to replace 1400dtex/2 conventional national standard cord， and the tire carcass strength and outer edge size were simulated and recalculated by ABAQUS finite element analysis software. The results show that the inflated outer diameter expansion rate of the aerial tire is slightly smaller and the inflated section width expansion rate is slightly larger after adopting high strength HS1400dtex/2 nylon 66 cord and reducing 2 layers of carcass cord； under bursting air pressure （10.4 MPa）， the force on the tire cord decreases after the cord angle is reduced， which improves the strength of the tire， and the reduction of the angle of the carcass cord by 1（°） is preferable. Through the mass accounting of each part of the tire， the mass of the aviation tire is reduced by 3.1 kg， which can realize the lightmass design of aviation tires.

Key words: Aviation tires, High tensile cord, ABAQUS simulation analysis, Cord angle, Lightmass design

CLC Number:

O631

Peng WANG, Jia-Lin GUO, Ying ZHANG, Chang-Yan SU. Strength Simulation Analysis of Lightmass Aviation Tire Carcass Based on Finite Element Simulation[J]. Chinese Journal of Applied Chemistry, 2025, 42(7): 955-961.

Figures/Tables 12

References 8

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performance	A curtain line index	B curtain line index
Breaking strength/（N·root^-1）	≥215.6	≥237.2
Fracture elongation/%	19~23	19~23
66.6N constant load elongation/%	9.0±0.6	9.0±0.6
Diameter/mm	0.65±0.05	0.65±0.05

performance	A curtain line index	B curtain line index
Breaking strength/（N·root^-1）	≥215.6	≥237.2
Fracture elongation/%	19~23	19~23
66.6N constant load elongation/%	9.0±0.6	9.0±0.6
Diameter/mm	0.65±0.05	0.65±0.05

Old plan （A curtain line） Fig.2A	New plan （B curtain line） Fig.2B	Steel ring position
4-layer reverse packet+2-layer positive packet+4-layer positive packet	4-layer reverse packet+4-layer positive packet	The first steel ring
4-layer reverse packet+4-layer positive packet	4-layer reverse packet+4-layer positive packet	The second steel ring
4-layer reverse packet+2-layer positive packet	4-layer reverse packet+2-layer positive packet	The third Steel Ring
2-layer positive packet	2-layer positive packet	The third Steel Ring

Old plan （A curtain line） Fig.2A	New plan （B curtain line） Fig.2B	Steel ring position
4-layer reverse packet+2-layer positive packet+4-layer positive packet	4-layer reverse packet+4-layer positive packet	The first steel ring
4-layer reverse packet+4-layer positive packet	4-layer reverse packet+4-layer positive packet	The second steel ring
4-layer reverse packet+2-layer positive packet	4-layer reverse packet+2-layer positive packet	The third Steel Ring
2-layer positive packet	2-layer positive packet	The third Steel Ring

	0 MPa		1.9 MPa		2.6 MPa
	Diameter/mm	Width/mm	Diameter/mm	Width/mm	Diameter/mm	Width/mm
Old scheme	948.8	293.6	954.4	328.2	960.2	333.8
New scheme	948.4	294.0	948.6	338.0	954.4	344.6

Strength Simulation Analysis of Lightmass Aviation Tire Carcass Based on Finite Element Simulation

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Figures/Tables 12

References 8

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No.	Assembly unit	Tire components	Original mass/kg	Improved mass/kg
1	Tread	Outer tread and inner tread	8.80	8.80
2	Sidewall	Two pieces of tire sidewall	2.70	2.70
3	Reinforcing layer	A nylon 66 cord	3.77	—
3	Reinforcing layer	B nylon 66 cord	—	3.32
4	Carcass layer	26 layers of A nylon 66 cord	42.03	—
4	Carcass layer	24 layers of B nylon 66 cord	—	39.38
5	Seal layer	The same as the old design	3.30	3.30
6	Steel ring	One side 3 steel rings×2	8.90	8.90
7	Other	Total mass of film and filler	4.50	4.50
8	Total	Sum of parts	74.00	70.90

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