分体镐靴磨损性能研究.PDFVIP

30 5 ( ) V ol 30 N o5 2005 10 Journal ofK unm ing U n iversity of Sc ience and T echnology ( Sc ience and T echnology) Oc t 2005 1 1 1 2 1 廖丕博, 刘建雄 , 陈泽民, 马乐东 , 庆华 ( 1 , 650093; 2, 65009 3) : 探讨了镐靴用工模具钢材料的热处理工艺, 并测试了其冲击磨损性能及相关性能, 观 分 析了冲击磨损断口形貌及各特征区形貌 结果表明: 所选镐靴用钢热处理硬度和显微组织都达到 预期的目标, 分体镐靴技术可行 磨损表面由冲击磨损区与滑动磨损区组成, 磨损以凿削式磨损 为主, 基本无大块脆性剥落及疲劳痕迹 : 捣镐; 磨损性能; 磨损形貌; : TG 142 72 : A : 1007 - 855X ( 2005) 05- 0047 - 04 Study on the Abrasion Capability for the Tam ping T ine- Boots of Discerption Fram e 1 1 1 2 1 L AI O P-i bo , L IU J ai n-x iong , CHEN Ze-m ing , MA Le-dong , Q ING H ua ( 1F aculty o f M ech anical and E lectr ica l Eng ineer ing, K unm ing U n iversity o f Sc ience and T echno logy, K unm ing 65009 3, Ch ina; 2Kunm ing OTON R a iwl ay M ach inery Co L td, Kunm ing 650093, Ch ina) Abstract: The m ould stee lm aterials of the tam ping tine- boots and its heat treatm ent craft is d iscu ssed in th is pap er Its abrasion capab ility and the related cap ab ility are tested, and the appearance o f im p act abrasion fracture and various characterist ics area are ob served and analyzed It is indicated th at the stee l chosen fo r tam p ing tine- boo ts and processed w ith heat trea tm ent a ll ach ieves the antic ip ated goa l of the h ardness and m icrostructure The tamp ing tine- boots of d iscerption fram e technology is feasib le T he abrasion surface is com posed o f the g lide ab- rasion area and the im pact abrasion area T he abrasion ism a in ly chise ls and truncates typ e abrasion and h as non - bu lk brittle flak ing a