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At present, China's development of extrusion machine parts industry is still in the primary stage, lack of standardization of the market, especially the lack of information to guide the exhaust gas adsorption unit and the overall transparency of the industry industry, plus sales channels, market demand information feedback is not timely, for the enterprise lack of enterprise communication with the host machine parts extrusion, resulting in long term since many products overcapacity, inventory backlog of cases. Waste of resources on the product, the use of effective funds, resulting in difficulties in cash flow of enterprises, late development and production can not be guaranteed. From the development of the industry as a whole, we can call it "repetitive investment" of the product. In our words, "good steel" is not used in the blade, which will inevitably hinder the rapid development and continuity of the parts industry.
Therefore, the traditional extrusion machine parts can be directly applied to the extrusion die casting process. Only the die clamping force can be used, and only the clamping force is a driving force to advance. The magnitude of the die force determines the size of the extrusion force. As a result, the clamping force is the clamping force and can be used as the extruding force of the whole hydraulic press parts. The forward extrusion force of the elbow extrusion press is equal to its modulus, and the force of the cylinder is multiplied by the lever ratio of the locking mechanism, but it can not exceed the compressive strength that the locking mechanism can bear. Squeeze casting with the device, because the clamping position did not arrive at the "early self locking mechanism", and the end position is the extrusion clamping resistance "point", in the same casting pressure filling, projection area can produce parts decreased.
The traditional extrusion machine accessories are an important feature, it is the model are based on the clamping force as the main parameter name, now we often say that a is how many tons of extrusion machine accessories, refers to the tonnage of locking force. As for extrusion press parts, it has not only the parameter requirements of clamping force, but also the parameter requirements of extrusion and feeding force, and the extrusion pressure parameter is the most important index. As mentioned above, as the traditional extruder parts are full hydraulic and curved elbow two different models, in the traditional common die casting without distinction, but if used for extrusion die casting is different. In conventional die casting and extrusion die casting, casting during filling, extrusion die-casting adds a master cylinder power forward step up the common casting is only natural cooling, no fill shrinkage step.
Iron ore and other raw materials prices continue to rise, dragging down iron and steel enterprises, thereby affecting the downstream industries. The latest news shows that some of the price of iron ore is caused by abnormal causes. But industry experts believe that, because of its high degree of international monopoly industries, so once rising, it is difficult to fall back, this cycle is not 5 to 10 years is not easy to complete. Strict control of housing prices has become the focus of a new round of regulation and control. In recent years, the overheated real estate situation has reached the point of strict control. The impact of real estate construction on extrusion machine parts industry is not direct, but it can not be ignored. It has become the focus of the government's economic work to curb the rapid rise in the prices of the means of production and the prices of real estate.
