Study on Optimization of Pump Shaft Transmission System of Plastic Centrifugal Pump

Table 13

Comparison of schemes before and after pump shaft optimization.

Parameter	Initial scheme	Optimum proposal	Improvement effect
Deflection (mm)	0.018616	0.00887	Reduce by 52.35%
Quality (kg)	4.808048	4.415914	Reduce by 8.16%
First order critical speed (r/min)	2906.54	4149.72	Increase by 42.77%