一、问题提出G2.5膜式煤气表采用齿传动,要求齿轮传动瞬时传动比稳定不变,以尽量减少或消除冲击振动和噪音,这就给我们提出了稳定性的要求。在生产过程、工艺实践中,我们发现,影响G2郾5膜式煤气表的可靠性和稳定性的主要因素在结构、选材及装配三个方面。结构的合理性、选材适 First, the problem Proposed G2.5 diaphragm gas meter using gear transmission, gear transmission instantaneous transmission ratio required to be stable, in order to minimize or eliminate the impact of vibration and noise, which gives us the stability requirements. In the process of production and technology, we found that the main factors affecting the reliability and stability of G2 郾 5 Membrane Gas Meter are three aspects: structure, material selection and assembly. The rationality of the structure, material selection