There are amounts of issues to be resolved in the process of designing the fiber placement trajectory of the cylindrical component,such as the interference between the machine and the component and the over-travel of ...There are amounts of issues to be resolved in the process of designing the fiber placement trajectory of the cylindrical component,such as the interference between the machine and the component and the over-travel of the axis of rotation on the fiber placement head.When the pressure on the cylinder surface inclines in a certain direction or at an angle within the normal plane,the motion characteristics of the rotation axis will be different.This paper analyzes the pressure angle effect of the concave cylinder surface on the motion features of a fiber placement machine.The placement area is enlarged by tilting pressure with the same lifting stroke,which is significant in preventing interference and selecting post-processing algorithm.展开更多
1 Introduction Snow salt is one of the multi-salt with highly added value,in named for its snowflakes structure appearance.In the present situation,the stacking density gap between different commercial snow salt is bi...1 Introduction Snow salt is one of the multi-salt with highly added value,in named for its snowflakes structure appearance.In the present situation,the stacking density gap between different commercial snow salt is big,mainly ranged from700 kg/m3to 800 kg/m3.The competition in the market展开更多
基金supported by the Equipment Development Department Project of China(No. 41422010401)the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions
文摘There are amounts of issues to be resolved in the process of designing the fiber placement trajectory of the cylindrical component,such as the interference between the machine and the component and the over-travel of the axis of rotation on the fiber placement head.When the pressure on the cylinder surface inclines in a certain direction or at an angle within the normal plane,the motion characteristics of the rotation axis will be different.This paper analyzes the pressure angle effect of the concave cylinder surface on the motion features of a fiber placement machine.The placement area is enlarged by tilting pressure with the same lifting stroke,which is significant in preventing interference and selecting post-processing algorithm.
基金supported by a grant from the Tianjin Binhai New Area (TBNA) Science & Technology commission project, and grant No. 1400050006
文摘1 Introduction Snow salt is one of the multi-salt with highly added value,in named for its snowflakes structure appearance.In the present situation,the stacking density gap between different commercial snow salt is big,mainly ranged from700 kg/m3to 800 kg/m3.The competition in the market