Stress analysis and strength checkage on the heat exchanger structure with thickened shell were made, and the calculation result was analyzed and summarized.
Anionic electrodeposit coating line for aluminum shell of solar water heater is introduced.Anodic oxidation,anodizing electrolytic coloring and anionic electrodeposit coating process are focused.
The ZSJL Water Motor Alarm consists of a turbine shell, a vane wheel, a transmission shaft, a dabber, a rocker arm, a clapper, an alarm seat and a support shaft etc.
The shelled bodies of turtles, for example, evolved between 250m and 200m years ago, while the body plans of scorpions have been around for more than 400m years.