The annealing furnace for cold extrusion is essentially a combination of a high-efficiency regenerative heat exchanger and a conventional heating furnace, and is mainly composed of a heating furnace body, a regenerator, a reversing system, and a fuel, a supply air, and a smoke exhaust system. The regenerator is the main body of the flue gas waste heat recovery of the regenerative heating furnace. It is a chamber-like space filled with the regenerator and is part of the flue gas and air flow passage.
The advantage of annealing furnace for cold extrusion is that the furnace temperature is more uniform, the heating quality is greatly improved, and the product qualification rate is greatly improved. The fuel selection range is larger and suitable for various fuels such as light oil, heavy oil, natural gas and liquefied petroleum gas. In particular, it has a good preheating and combustion-supporting effect on low calorific value blast furnace gas and producer gas, and expands the application range of fuel. Therefore, the fuel consumption of the furnace is greatly reduced.
What is cold extrusion technology?
Cold extrusion involves placing a metal blank into the mold cavity under cold conditions. Under strong pressure and a certain speed, the metal is forced to be extruded from the cavity to obtain the desired shape, size and extruded part with certain mechanical properties. Obviously, the cold extrusion process relies on the mold to control the flow of the metal, forming parts by mass transfer of the metal volume. It is an important part of precision plastic volume forming technology.
What is the main application?
Cold extrusion technology has been widely used in fasteners, machinery, instrumentation, electrical appliances, light industry, aerospace, shipping, military and other industrial sectors. The emergence of new extruded materials, new steel molds and large tonnage presses will expand their development space.
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