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What are the advantages of CNC machining of radiator parts?

For friends who have been in contact with the radiator component industry, they often see or hear "CNC machining", but too much exposure does not necessarily mean that many people understand. In fact, many questions are still about CNC machining. What are the advantages? Let's take a closer look. CNC machining is an index-controlled machine tool machining, which is a method of using digital information to control the machining process. Traditional mechanical processing is done manually by machine tools. During processing, the mechanical cutter is shaken to cut metal, and the accuracy is measured with calipers and other tools. However, traditional artificial intelligence processing is far from being able to meet the needs of production development. Therefore, the emergence of CNC machining provides the possibility for the standardization, precision and efficiency of mechanical product processing. The CNC machining process in the radiator component industry also shines. The

What errors may occur during CNC machining and CNC machining​?

 CNC machining and numerical control machining are a method to control the movement of machine tools and the production process of machining through computer digitization and information digitization. It is an intelligent numerical control device developed as an economical, high-speed, reliable, multi-functional, intelligent, and open structure. CNC machining is also an important indicator that can measure the continuous level and comprehensive ability of a safety technology, as well as the degree of modernization of related science and technology capabilities, especially in aviation, biology, medical and other high-tech cultural industries, and it is also a powerful indicator. reflect. So, what errors may occur during CNC machining and CNC machining? Let us understand together:   The use of approximate machining motion or approximate tool contours causes errors in the CNC principle of machining. The reason why it is called machining principle error is because of the error in machining

Investment Casting Materials and Manufacturing Process

Mold material The performance of the molding material should not only ensure the convenient production of investment molds with accurate dimensions and high surface finish, good strength and light weight, but also create conditions for the manufacture of mold shells and good castings. Molding materials are generally formulated with waxes, natural resins and plastics (synthetic resins). All mold materials mainly prepared with wax materials are called wax-based mold materials, and their melting point is low, 60~70 ° C; all mold materials mainly prepared with natural resins are called resin-based mold materials, with a slightly higher melting point, about 70 °C. ~120℃. invest-casting.com   Precision Investment Castings China prototype company service include :  High Quality Investment Casting Parts Custom , Lost Wax Investment Casting Sand Casting , Lost Foam Casting , Gravity Casting , Die Casting , Graphite Casting , Casting Moldsmanufacturers . Manufacture of Folding Investments In t

The Theory Of Aluminum Die Casting

The Theory Of Aluminum Die Casting

The Theory Of Aluminum Die Casting

Aluminum alloy die-casting products are mainly used in electronics, automobiles, motors, home appliances and some communication industries. Some high-quality aluminum alloy thin wall die casting products with high performance, high precision and high toughness are also used in large aircraft, ships and other industries with relatively high requirements. . The main use is still on the parts of some instruments.

Casting aluminum alloy ingot production process: electrolytic aluminum liquid, waste aluminum ingot, scrap – batching – smelting tool preheating – slag removal in ladle – furnace loading – mixed smelting – furnace temperature control – slag removal and degassing – casting tool preheating ——Open the furnace hole to release molten aluminum – pouring – slag – cooling into indium – inspection – coding – packing – finished casting of aluminum alloy ingots.

Smelting operation: As described above, the pouring process is basically the same as that of ordinary casting, and the specific operations are related to the smelting of aluminum alloys and the casting of aluminum ingots for remelting.

It is mentioned in the die casting theory of aluminum die castings that continuous casting of horizontal ingot molds is the most commonly used casting method in aluminum electrolysis plants. Aluminium ingots for remelting of aluminium and aluminium alloys. A special volume die casting machine is used to realize this casting.

The horizontal continuous ingot casting method is a casting method with a high degree of mechanization of the block iron mold ingot casting method. The die casting mold technology is relatively simple. Because the aluminum alloy ingots for remelting are produced, the defects on the surface of the ingots and the requirements for the internal crystalline structure are relatively not strict. There are still requirements for pinhole grades inside the ingot. For the specific requirements of die casting ingots, please refer to the standard "Casting Aluminum Alloy Ingots"

Die Casting Process Control

The requirements for the process of horizontal continuous casting are mainly pouring temperature, pouring speed and water cooling control(The Theory Of Aluminum Die Casting).

  1. Pouring temperature The casting temperature of aluminum and aluminum alloy ingots for re-cultivation is different due to the different alloy varieties. In general, the pouring temperature of common aluminum and deformed aluminum alloys is in the range of 30-80 degrees above the crystallization temperature of the alloy. Cast aluminum alloys are in the range of 30 – 50 degrees above the crystallization temperature.
  2. Pouring speed Horizontal ingot mold continuous casting is a fixed casting machine. Different types of casting machines have different casting speeds. The casting speed is adjustable, and the casting speed is expressed by the travel speed of the mold. But to be more intuitive, foundries generally test casting speed by casting several ingots per minute. It should be emphasized that the casting speed should not be adjusted too fast, otherwise, it may cause the die casting machine to vibrate greatly, and the ingot will have serious ripples and surface oxidation.
  3. Cooling control The cooling method of the horizontal ingot mold continuous casting machine is divided into two types: one is the forced water-cooling type immersed at the bottom of the casting mold, which mainly controls the inlet water temperature to be below 40 degrees and the return water temperature to be below 60 degrees. The other is the natural cooling method of the ingot, but in order to ensure the normal operation of the casting machine, it is necessary to reduce the temperature of the casting mold, and spray cooling with water before or after the demoulding of the ingot, so as to reduce the temperature of the casting mold, that is, to avoid die casting mold cost.The equipment failure that may occur in the high temperature operation of the casting machine is also conducive to the demolding of the ingot and the stability of the process conditions. This cooling method generally requires the water spray temperature to be below 40 degrees.

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