查询词典 gear change

It doesn't change main designing parameters, and through adjusting the gear width, the round number of coincidence coefficient and the improvement of gear life and bearing capacity Can be realized.

这种设计方法是在不改变主要设计参数的基础上，通过调整齿轮宽度，实现重迭系数的圆整，提高齿轮承载能力，延长使用寿命。

Through reforming the YC7150 gear grinding machine of conical surface of grinding wheel by CNC,the proposed approach will be of much help in increasing the accuracy of the grinding machine tools and can also be used to change the equipment of gear process,and can give rise to the principle dividing precision less one pulse equivalent .

对高精度齿轮加工设备的传动原理进行了分析，具体研究了在高精度数控分度时计算分度指令脉冲数所采用的均匀分配脉冲数的方法，并用此算法对 YC715 0锥面砂轮磨齿机进行数控改造，以进一步改善齿轮加工设备，提高机床加工精度，使理论分齿精度小于一个脉冲当量。

Use emulation mode to build parameterized model of straight and cylindrical gear wheel, not only can make the model change as the diversification of parameters but also can build accurately standard gear wheel.

用仿真加工的方法对直齿圆柱齿轮进行参数化建模，不仅能实现尺寸驱动模型，还能生成准确度较高的标准齿轮模型，该方法可为设计其它几何形状更为复杂的机械零件提供一定的帮助，具有较好的实用价值。

Use emulation mode to build parameterized model of straight and cylindrical gear wheel,not only can make the model change as the diversification of parameters but also can build accurately standard gear wheel.The ...

用仿真加工的方法对直齿圆柱齿轮进行参数化建模，不仅能实现尺寸驱动模型，还能生成准确度较高的标准齿轮模型，该方法可为设计其它几何形状更为复杂的机械零件提供一定的帮助，具有较好的实用价值。

Use emulation mode to build parameterized model of straight and cylindrical gear wheel, not only can make the model change as the diversification of parameters but also can build accurately standard gear wheel. The method advanced will provide some help or the designing of more complicated machine parts. It has a nicer practicability.

用仿真加工的方法对直齿圆柱齿轮进行参数化建模，不仅能实现尺寸驱动模型，还能生成准确度较高的标准齿轮模型，该方法可为设计其它几何形状更为复杂的机械零件提供一定的帮助，具有较好的实用价值。

The transmission case is used to change the speeds of rotary disd and elevator, it consists of friction clutch, shift gear and transfer gear.

变速箱的用途是改变转盘、升降机的转速，它包括摩擦离合器、变速机构和分动机构。

Based on the measurement of noise of an idling lathe C630,the effects of gear tooth friction on change gear noise ,and the relation between friction excitation frequency and gearing frequency were analyzed.

结果证明：齿面摩擦对齿轮振动的激励频率是啮合频率的2倍，可以利用适当的润滑有效地抑制齿轮噪声的高频成分。

Based on the measurement of noise of an idling lathe C630,the effects of gear tooth friction on change gear noise,and the relation between friction excitation frequency and gearing frequency were analyzed.

以一台C630车床空转噪声的测试数据为依据，分析了齿面摩擦对车床挂轮噪声的影响，以及摩擦激励频率与齿轮啮合频率的关系，并通过涂油润滑降低挂轮噪声的实验对此进行了验证。

To cooperate with new and old parts: although standard zero, components, but in between interchangeable in assembly parts, and to make the optimal coordination between trim, still needs a lot of work, such as the gear and rack, boring if after removal of gear various performance indicators are used by detecting without the need to change, and to replace worn rack, rack and rack positioning pin hole on installation bolt holes and should be first, reoccupy hand crossed positioning drills and tapered reamer to match the drill and match hinge, and after the installation of new and old super-modulus gear mesh clearance to achieve technical standards, this work takes about one day.

。新，旧零部件重新配合过程：尽管标准零，部件间具有互换性，但在装配中，要使新旧零部件间的配合达到最佳状态，仍需大量的修整工作，如镗床的齿轮与齿条，若拆卸后齿轮的各项性能指标经检测尚能使用不需更换，而齿条磨损严重需更换，那么齿条及齿条安装面上的定位销孔和定位螺钉孔就需先划线定位，再用手电钻及锥形铰刀重新配钻和配铰，且新齿条安装完毕后与旧齿轮的啮合间隙需达到技术要求的标准，此项工作需时约一天。

To cooperate with new and old parts: although standard zero, components, but in between interchangeable in assembly parts, and to make the optimal coordination between trim, still needs a lot of work, such as the gear and rack, boring if after removal of gear various performance indicators are used by detecting without the need to change, and to replace worn rack, rack and rack positioning pin hole on installation bolt holes and should be first, reoccupy hand crossed positioning drills and tapered reamer to match the drill and match hinge, and after the installation of new and old super-modulus gear mesh clearance to achieve technical standards, this work takes about one day.

。新，旧零部件重新配合过程：尽管标准零，部件间具有互换性，但在装配中，要使新旧零部件间旳配合达到最佳状态，仍需大量旳修整工作，如镗床旳齿轮与齿条，若拆卸后齿轮旳各项性能指标经检测尚能使用不需更换，而齿条磨损厉害需更换，那么齿条嘉逸条安装面上旳定位销孔和定位螺钉孔就需先划线定位，再用手电钻及锥形铰刀重新配钻和配铰，且新齿条安装完毕后与旧齿轮旳啮合间隙需达到技术要求旳标准，此项工作需时约─天。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。