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我厂自1965年开始用冷挤工艺大批量生产多种型号的紫铜和无氧铜晶体管散热底座(毛坯形状)。1969年我们又研制成功了如图3所示的自动冷挤工装,实现了自动化生产。经过不断的改进、完善,满足了大批量连续生产的需要。实践证明:工装的动作安全可靠,并且结构简单,制造、调整、操作、维修都很方便。它不仅能用于晶体管底座一类的紫铜件,而且也适用于其它类似的钢件和铝件产品。
I plant since 1965 with cold extrusion process mass production of various types of copper and oxygen-free copper transistor cooling base (blank shape). In 1969 we successfully developed the automatic cold extrusion tooling shown in Figure 3, to achieve the automated production. After continuous improvement, improvement, to meet the needs of large quantities of continuous production. Practice has proved that: tooling movements safe and reliable, and the structure is simple, manufacturing, adjustment, operation and maintenance are very convenient. It can be used not only for copper base parts such as transistor base, but also for other similar steel and aluminum products.