铝合金挤压管材内表面擦伤原因浅析

Analysis on Cause of Inner Surface Scratch of Aluminum Alloy Extruded Tubes

铝合金管材挤压时的内表面擦伤是管材生产中的主要废品,本文结合生产实际,介绍了管材内表面擦伤的主要形式,并分析了产生内表面擦伤的机制及影响因素,提出了消除擦伤的措施。

Inner surface scratch of aluminum alloy extruded pipes is the main waste pipe production. Combining with the production practice, this article discusses the main form on the inner surface scratch of pipes and analyzes the causes of the inner surface scratches mechanism and the influencing factors and puts forward measures to eliminate scratches.