【摘要】 本文所述研齿机液压传动系统，是在原设计的定量泵节流调速系统基础上，改进设计成由变量齿轮泵构成的容积调速液压系统，使系统效率提高，节省了能源。更多还原

【Abstract】 In the paper,the hydraulic system of the gear grin ding machine has been improved. Instead of the circuit with flow control valve,the use of the volumetric speed control circuit with variabe displacement gear pump rai ses the efficiency and decreases the loss of the energy.更多还原