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Since the cast iron cylinder liner is pre-cast in the blank, the rough hole and partial hole processing are concentrated in the same process, making it a processing bottleneck for the all-aluminum engine cylinder production line. To this end, Brilliance Jinbei uses the new cutting theory to rationally optimize the tool, which not only reduces the production cost, but also achieves efficient processing with low power consumption.
1.8T series turbocharged engine
The engine (see Figure 1) is made of all-aluminum, which has the advantages of light weight, good heat dissipation and low energy consumption. In the processing, we have adopted a number of new processes such as main oil passage casting and connecting rod breaking; the production line adopts a highly flexible design concept, and the machining equipment is mainly based on the machining center.
Figure 1 Brilliance 1.8T series turbocharged engine
Find the problem
The 1.8T cylinder production line is a fully flexible production line, and all processing equipment except the honing machine is a machining center (see Figure 2). The engine block (see Figure 3) is made of all-aluminum, and the cast iron cylinder liner is pre-cast in the blank. The rough hole and partial hole processing are concentrated in the same process. Since aluminum alloy is an easy-to-process material, it is easy to achieve high-efficiency processing, and cast iron is a general material with general processing properties, and the workability of the two materials varies greatly. Therefore, the rough machining of the cylinder bore becomes the processing bottleneck of the cylinder production line, which restricts the production capacity of the cylinder production line.
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