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* Engine Camshaft Photo Analysis As an important part of the engine,Trade data for enterprise resource planning the engine camshaft plays an important role in engine operation.In this article, we will analyze in detail through a photo of the engine camshaft to show you the structure, function and manufacturing process of the engine camshaft. I. The structure of the engine camshaft The engine camshaft is usually composed of a cylinder with multiple cams on it. The geometry of these cams varies from engine to engine. The number of engine camshafts is equal to the number of cylinders of an automobile engine. The purpose is to narrow the time difference between the switch control of the valve in the cylinder through the camshaft. In the photo, we can see multiple cams on the camshaft, which are designed to accurately control the operation of each cylinder of the engine. In addition, the camshaft is also equipped with a camshaft gear, which meshes with the crankshaft gear, transferring the rotational power of the crankshaft to the camshaft, thus controlling the opening and closing of the valve.In addition, the camshaft is also covered with a special treatment coating, which can reduce the thermal energy loss and wear of the surface of the engine camshaft. During operation, the camshaft part of the engine will be in a high temperature state due to frequent operation, which will lead to surface thermal expansion and cold shrinkage, reducing the working life, and the existence of the coating can effectively alleviate this problem. II. Manufacturing process of engine camshaft The manufacturing process of engine camshaft is very complex, and usually requires cold extrusion, forging, grinding, heat treatment and other processes. Let's take a look at cold extrusion and forging first. Cold extrusion: Large raw materials are extruded into small workpieces using molds. Cold extrusion is one of the earliest technical means used in the manufacture of camshafts. In the manufacturing process, this method is often used for preliminary processing of the cams and gears on the camshaft to achieve a certain degree of smoothness and dimensional accuracy.Forging: Forging is a technology for deformation processing of metal materials. It uses high pressure to make the material produce plastic deformation on the mold at a relatively fast speed, so as to achieve a variety of types of manufacturing. In the manufacturing process of camshafts, forging is usually used to process the cam base and the spindle of the camshaft.
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