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上海机床厂有限公司开发H405-AA数控砂袋凸轮磨床,应用共轭原理,提高效率五倍以上,该公司针对汽车后桥、机车车轴开发出H405-BD双砂轮端面外圆磨床,砂轮进给系统采用海德汉直线编码器,横向进给伺服电机采用旋转编码器组成闭环系统。机床磨削圆度0．008mm、粗糙度Ra0．63μm,砂轮线速度50m／s。
Shanghai Machine Tool Plant Co., Ltd. to develop H405-AA CNC sand bag cam grinding machine, the application of the principle of conjugation, to improve efficiency more than five times, the company for the car rear axle, locomotive axles developed H405-BD dual-wheel face cylindrical grinder, grinding wheel feed The system adopts HEIDENHAIN linear encoder, the horizontal feed servo motor adopts a rotary encoder to form a closed-loop system. Machine tool grinding roundness 0.008mm, roughness Ra0.63μm, wheel linear speed 50m / s.