小模数塑料齿轮静态强度试验台研制与实验研究

Design and Experiment Research of Static Strength Test Benches for Small Modulus Plastic Gears

为获取小模数塑料齿轮的静态强度,研发了小模数塑料齿轮静态强度试验台,可以精准测量出不同模数、转速、材料的塑料齿轮的静态强度。重点介绍了试验台的工作原理、构成和工装零部件的设计。试验台由机械系统、电控系统和测量软件组成,主要采用卧式结构,结构紧凑,占用空间小,工装夹具设计简单,便于测量。进行了静态强度的测试试验,测试了不同材料的静态强度。该试验台的研发,解决了小模数齿轮静态强度测试不准、测试装夹困难的问题。研究对塑料齿轮设计有一定的理论价值与实际应用价值。

In order to obtain the static strength of small modulus plastic gears,a small modulus plastic gear static strength test bench is developed,which can accurately measure the static strength of plastic gears under different modulus,speeds and materials.The working principle,constitution and the design of tooling parts of the test bed are mainly introduced.The test bench is composed of the mechanical system,the electric control system and the measuring software.The electric control system and the measuring software mainly adopt the horizontal structure,which is of the compact structure,with small space occupation,uses simple fixture design and is easy to measure.The static strength test is carried out,and the static strength using different materials is briefly tested.The experimental equipment can realize the measurement of the static strength of the small module plastic gear,which solves the problems of inaccurate static strength test of the small module gear and the difficulty of test clamping,and provides theoretical value and practical application value for the design of the plastic gear in the future.