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采用复合塔形温挤压工艺挤压204轴承内、外圈时,材料利用率可达53.8％,挤压件尺寸精度高。文内介绍了挤压成形工艺及模具结构等。附图7幅。
The composite tower-shaped warm extrusion process 204 bearing inner and outer rings, the material utilization rate of up to 53.8%, high precision extrusion size. The article describes the extrusion process and mold structure. Figure 7 Figure.