Traditional Culture Encyclopedia - Traditional culture - Function and function of camshaft
Function and function of camshaft
2. Camshaft is a component of piston engine, which bears periodic impact load. The contact stress with the cam tappet is large, the relative sliding speed is high, and the cam working surface is seriously worn.
3. In view of this situation, the working surface of camshaft journal and cam should not only have high dimensional accuracy, small surface roughness and sufficient stiffness, but also have high wear resistance and good lubricity.
4. The main body of the camshaft is a cylindrical rod with the same length as the cylinder block, and several cams are sleeved on it to drive the valve.
5. The camshaft is supported by camshaft journals in camshaft bearing holes, so the number of camshaft journals is an important factor affecting the support stiffness of camshaft.
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