Aiming at heavy duty and low speed gear transmission, Zheng Zhou Research Institute of Mechanical Engineering puts forwards ZY-1 case- hardened double-circular-arc gear.
为此，郑州机械研究所针对低速重载齿轮传动领域设计了ZY-1型硬齿面双圆弧齿轮齿形。
The high speed shaft of the coal mill gear box for the boiler in a power plant broke, and the double-row self-aligning roller bearing was damaged.
某电厂发生锅炉磨煤机变速箱高速轴断裂，双列调心滚子轴承损坏。
Transmission gear shift part USES single whirlpool and double whirlpool shift, exchange frequency conversion, in order to obtain consecutive speed.
传动变速部位采用单蜗、双蜗变速，变速均匀连续。
The invention relates to a reduction gearbox of an electric tool, in particular to an assembling structure of double-speed impact electric drill gear reduction gearbox.
本发明涉及一种电动工具的减速箱，具体地说是一种双速冲击电钻齿轮减 速箱的装配结构。
The invention relates to a reduction gearbox of an electric tool, in particular to an assembling structure of double-speed impact electric drill gear reduction gearbox.
本发明涉及一种电动工具的减速箱，具体地说是一种双速冲击电钻齿轮减 速箱的装配结构。
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