Performance characteristics of gear reducer with hardened teeth:
硬齿面齿轮减速器的性能特点：
1) the main parameters such as center distance and nominal transmission ratio have been optimized, and the interchangeability of main parts is good.
（1）优化了中心距和标称传动比等主要参数，主要部件互换性良好。
2) the gears are made of high quality alloy steel by carburizing and quenching, and the tooth surface hardness is up to HRC54-62.
2）齿轮采用优质合金钢渗碳淬火，齿面硬度和达HRC54-62。
3) small size, light weight, high precision, large carrying capacity, high efficiency, long life, high reliability, stable transmission and low noise.
3）体积小、重量轻、精度高、承载能力大、效率高、寿命长、可靠性高、传动平稳、噪音低。
Applicable to metallurgical, mining, chemical, building materials, lifting, transportation, textiles, paper making, instruments, plastics, rubber, construction machinery, energy and other industrial sectors.
适用于冶金、矿山、化工、建材、起重运输、纺织、造纸、仪器、塑料、橡胶、建筑机械、能源等工业部门。
The scope of application is as follows:
适用范围如下：
1, speed is not greater than 1500 rpm.
1，速度不大于1500 rpm。
2, gear drive circumferential speed is not greater than 20 meters / sec.
2、齿轮传动圆周速度不大于20米/秒。
3, the working environment temperature is -40-45 degrees Celsius, if less than 0 degrees Celsius, before starting, lubricating oil should be preheated to more than 0 degrees Celsius, this reducer can be used in the two directions of positive and negative operation.
3、工作环境温度为40-45摄氏度，如果低于0摄氏度，在开始之前，润滑油应预热到0摄氏度以上，本减速机可用于正反两方向操作。
Product features:
产品特点：
1 、 the gear is made of high strength and low carbon alloy steel by carburizing and quenching. The surface hardness of the gear is HRC58-62. The gears are made by NC grinding technology. The precision is high and the contact is good.
1、齿轮采用高强度低碳合金钢经渗碳淬火而成。齿轮的表面硬度HRc58-62。齿轮采用数控磨削加工技术。精度高，接触良好。
2, high transmission rate: single stage is greater than 96.5%, double level is greater than 93%, three is greater than 90%.
2，高传输速率：单级大于96.5%，双电平大于93%，三大于90%。
3, smooth operation, low noise.
3、操作平稳，噪音低。
4, small size, light weight, long service life, high carrying capacity.
4、体积小、重量轻、使用寿命长、承载能力高。
5 、 easy to be disassembled and easy to install.
5、拆装方便，安装方便。
Models, specifications and methods of presentation:
模型、规格和表示方法：
1, the model has:
1，模型有：
ZDY/ZDZ single stage cylindrical gear reducer;
ZDY ZDZ /单级圆柱齿轮减速器；
2, specifications have:
2、规格有：
Single level: ZDY80, ZDY100, ZDY125, ZDY160, ZDY200, ZDY250, ZDY280, ZDY315, ZDY355,, ZDY400, ZDY450, ZDY500, ZDY560;
单级：zdy80，zdy100，zdy125，zdy160，zdy200，zdy250，zdy280，zdy315，zdy355，，zdy400，zdy450，zdy500，zdy560；