请提供更多细节或信息，以便我更好地回答您的问题,福州IGW滚珠丝杠具有精度高、耐磨、寿命长等特点，被广泛应用于各种机械设备中, 4. 高刚性：滚珠丝杠的刚性比普通丝杠大5-10倍以上，可以保证机床的稳定性,滚珠丝杠广泛应用于工业机械设备、航空航天、机床等领域,螺纹扭矩越小，说明滚珠丝杠的摩擦小，精度高,它具有高精度、高刚性、高效率等特点，广泛应用于CNC机床、工业机械、精密仪器、航空航天等领域,双驱动用滚珠丝杠电控方式是一种机械传动方式，通过电机驱动滚珠丝杠，实现机械运动的控制,消隙滚珠丝杠是一种机械零件，用于传递转矩和运动,其中，G5等级的滚珠丝杠钢球直径精度和球形精度最高，误差最小, 关键词：滚珠丝杠；结构；工作原理；制造工艺；轴承选用；螺纹副配合；润滑方式；应用领域；实验数据 Abstract: Ball screw is a basic transmission device, which is widely used in machine tools, aviation, aerospace, ships, automobiles and other fields. This paper analyzes the structure, working principle, advantages and disadvantages of ball screw, and introduces the manufacturing process, testing methods and application fields of ball screw. In order to better illustrate the characteristics of the ball screw structure, this paper also elaborates on the internal structure of the ball screw, bearing selection, thread pair fit and lubrication mode. Finally, through experimental data analysis, the superiority of ball screw in high speed, high precision and high rigidity requirements is verified. Keywords: ball screw; structure; working principle; manufacturing process; bearing selection; thread pair fit; lubrication mode; application field; experimental data