Classification of cast engine blocks

There are many kinds of cast iron parts for engine block. The main classification methods are the number of cylinders and the arrangement of cylinders.

According to the number of cylinders, there are mainly single cylinder and multi cylinder engine block. Four cylinder, six cylinder, eight cylinder and sixteen cylinder are widely used in automobile, engineering machinery, ship and other fields. The cast iron castings of cylinder block are four to sixteen cylinders, as shown in Figure 1.

According to the cylinder arrangement, there are mainly in-line (L-type), V-type, W-type (V-type engine variant) and horizontal opposed type. The cast iron castings of cylinder block are L-type and V-type, as shown in Fig. 2.

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