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本文提出一种针对碳纤维复合材料天线反射面的恒力控时加工方法.利用恒力控时装置,通过控制加工工具的加工时间,同时利用恒压气缸提供恒定压力输出,在碳纤维复合材料上进行加工实验,探究了磨粒粒径、压强、转速等工艺参数对材料去除效率的影响规律和去除函数的稳定性.结合工艺参数对材料去除效率的影响规律和去除函数稳定性的结果,通过多次迭代加工,使Φ390 mm碳纤维复合材料天线反射面从初始的面形精度117.798μm RMS收敛到27.28μm RMS,实现了碳纤维复合材料高精度的修形,证明了恒力控时加工方法对碳纤维复合材料天线反射面高精度加工的可行性.
In this paper, a constant-force control method for the reflection surface of carbon fiber composite antenna is proposed.With the constant force control device, the carbon fiber composite material is controlled by controlling the processing time of the processing tools and providing a constant pressure output by a constant pressure cylinder The effects of process parameters, such as particle size, pressure and rotation speed, on the material removal efficiency and the stability of the removal function were investigated.According to the influence of process parameters on the material removal efficiency and the stability of the removal function, Times of iteration, the Φ390 mm carbon fiber composite antenna antenna reflection surface converges to 27.28μm RMS from the initial surface area accuracy of 117.798μm RMS, which realizes the high-precision modification of the carbon fiber composite material. It proves that the processing method of carbon fiber composite Feasibility of high precision machining of material antenna reflector.