论文部分内容阅读
过去,我厂生产轮胎起重机和塔式起重机底盘与回转台环形平面,因无大型设备,加工质量差,使用寿命低。现已改用一台自制简易设备(见附图),获得良好效果。该设备是利用回转支承内、外圈的
In the past, our factory produced tire cranes and circular planes of tower crane chassis and rotary table. Due to the lack of large-scale equipment, the processing quality was poor and the service life was low. A homemade simple device (see attached) has been used instead to achieve good results. The equipment uses the inner and outer rings of the slewing ring