First, the whole machine inspection. Inspection refers to the measurement, inspection, test, or measurement of one or more characteristics of an entity, and the result and the national standard, to determine the eligibility of each feature…

( 2 ) Climate testClimate test is used to check the design, process, and structure of products to prevent or weaken adverse weather conditions on raw materials, measures for the impact of components and machine parameters. Climate test can…

1. Wooden cases packed in wooden cases are generally used for mechanical and electromechanical products of larger size and heavier weight. However, in order to better protect the environment and save wood, modern product packaging presents…

The principle of the radio analysis1. The block diagram of the superheterodyne radio is relative to the direct amplification of the radio, the superheterodyne amplifier is shown in the block diagram of the structure as shown in 3-1-1 The s…

1 Welding temperature. For Sn-Cu, Sn-Ag, Sn AgCu solder, the melting point is above 220C, and the melting point is about 40C, this requires a higher welding temperature, so higher requirements for the heat resistance of equipment, tools, e…

Ask 6. What is an electromagnet?An electromagnet is a component that converts electromagnetic energy into mechanical energy, which is divided into a direct current electromagnet and an alternating current electromagnet. (1) the structure p…

Q 5. How to test the replacement of the microwave high voltage power transformer?The RX1 gear is used to measure the cold resistance of the transformer. The secondary winding is usually a few ohms; if it is too small, there may be inter tu…

Question 3. how to detect and replace the magnetron?( 1 ) The magnetron detects the high voltage leads on the filament terminal of the magnetron, and uses the multimeter to measure the cold resistance of the filament, normal is less than 1…

Q1：What is the magnetron of the microwave oven? The magnetron can be divided into continuous wave magnetron and pulse magnetron. The former is mainly used in household microwave oven, medical microwave therapy machine, scalpel and other s…