The high temperature motor needs to overcome the temperature resistance of the first insulating material, the second is to overcome the oxidation problem of the metal material, and the third is to overcome the lubrication problem of the rotating bearing.…
General refrigeration principle The function of the compressor is to compress the steam with a lower pressure into a steam with a higher pressure, so that the volume of the steam is reduced and the pressure is increased. The compressor…
There are many types of welding machines, including single-point single-function, single-point dual-function, single-point multi-function (this type of welding machine also has only one welding head, after changing the form of the positioning plate, it can be used for any angle…
On August 12, 2022, the 1# copper price of Changjiang Nonferrous Metals increased by 380, the lowest was 63050 and the highest was 63090, the average price of the first three days was 62203.33, and the average price of the…
On August 12, 2022, the A00 aluminum price of Changjiang Nonferrous Metals dropped by 140, with a minimum of 18,650 and a maximum of 18,690. The average price of the first three days was 18,696.67, and the average price of…
A generator is a device that converts kinetic or other forms of energy into electrical energy. The general generator first converts the energy contained in various primary energy into mechanical energy through the prime mover, and then converts it into…
Why is it a flat wire? Miniaturization – high slot full rate, high power density Fast heat dissipation – large wire contact area and short heat dissipation path High reliability – ordered distribution The high-efficiency interval is larger than that…
1. What caused the decline of precious metals in the early stage? One is the tightening of global currency liquidity; Second, basic metals such as copper, aluminum and nickel are affected by demand; Third, the risk of overseas inflation is…
Copper and aluminum prices today Copper price: 73,320 yuan/ton, down 560 RMB/ton Aluminum price: 22,890 yuan/ton, down 100 RMB/ton Market analysis Reference tips: The severe epidemic situation has weakened demand expectations, and the copper price has fallen, which is in…
The purpose of winding and arranging the wire is to wind the enameled wire on the spool continuously, tightly and evenly. It is required that the wire take-up mechanism has a smooth transmission, low noise, proper tension and regular wire…