Based on discussion of the friction character-istics in hot extrusion and the disabled form of hot ex tru-sion die,the lubricating way has been probed into.

• 讨论了热挤压加工过程中摩擦的特点,热挤压模具失效形式;在此基础上对热挤压模具的润滑方法进行了探讨。