What are the applications of powder metallurgy in household appliances?

What are the applications of powder metallurgy in household appliances?

In fact, since the 1960s, in order to save energy, materials, reduce production costs and eliminate environmental pollution, powder metallurgy has become the main process in the production of many household electrical appliance parts. Such as household refrigerators, air conditioners, fans, ventilators, washing machines, vacuum cleaners, food processing machines, electric razors, hair dryers, tape recorders, video recorders, etc. What are the main applications of powder metallurgy in household appliances? Here is a brief introduction of the Zhongwei Precision Editor:

powder metallurgy

1. Small refrigeration compressor

If small refrigeration compressors are the "heart" of refrigerators and room air conditioners, it is powder metallurgy parts that determine the quality and service life of this "heart". In view of the rapid development of powder metallurgy technology, in order to save energy and materials, reduce production costs, eliminate environmental pollution and other reasons, compressor manufacturers in the United States, Italy, Japan and other countries began to replace cast iron machining parts with powder metallurgy parts.

2. Electric fan

The electric fan is one of the most widely used products in household appliances. The annual output of electric fans in China is tens of millions. The most important part in electric fan is sintered metal oil bearing. The requirements of the electric fan on the shaft sleeve are self lubrication, cleanliness, low rotary noise, good wear resistance, and low price. The powder metallurgy process can well realize these possibilities.

3. Washing machine

The full-automatic washing machines sold on the market are generally divided into three categories: front mounted side door cylinder washing machines invented in Europe, wave wheel top door washing machines invented by Asians and "stirring" washing machines invented in North America. As early as the early 1970s, General Electric Company of the United States changed two machined steel parts in the transmission of the "stirring" automatic washing machine into redesigned powder metallurgy parts. These two parts are the locking tube and the spin tube.

The redesigned powder metallurgy spin tube and locking tube have improved the production cost and product quality, reduced the production cost of materials, labor, management expenses and waste loss, and saved more than 250,000 dollars annually. In addition, the design of powder metallurgy parts is relatively "loose", allowing larger dimensional tolerances, which can significantly improve the quality level of the transmission in an all-round way.

The above is an introduction to the application of powder metallurgy in the household appliance industry. Powder metallurgy is a process technology that saves materials and energy and can be used to manufacture household appliance materials with special properties. At present, the rapid development of electronic appliances and high-tech industries in China has brought a huge development space for the powder metallurgy industry.