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The Influence of Armature Structure on Ratio Electromagnet Stroke-force Characteristics
Author(s): 
Pages: 89-93,129
Year: Issue:  5
Journal: Journal of Gansu Sciences

Keyword:  Ratio electromagnetArmatureStroke-force characteristics;
Abstract: It establishes a ratio electromagnet finite element simulated model,and use the Ansoft Max-well2D electromagnetic field finite element simulation software to make stimulation calculation on the in-fluence of armature length,pushrod's depth and aperture of armature,the armature front and rear's chamfer and circular bead on ratio electromagnet stroke - force characteristics.The results show that:the length of the armature have significant effect on the electromagnetism size and level degree in the working process of the ratio electromagnet.The larger of the depth and aperture of pushrod hole,the smaller of the electro-magnetism that nears the actuation surface.The front chamfer of armature has significant effect on ratio e-lectromagnet stroke - force characteristics.The front circular bead and rear chamfer and circular bead has little influence on ratio electromagnet stroke - force characteristics.Armature front processing circular bead can increase ratio electromagnet stroke - force,but it is at the cost of reducing electromagnetism within the working operation.
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