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- W2388828828 abstract "The underground working conditions of JCZY-252 rock drill are relatively harsh.It requires rail structure is simple,light weight,well durable to wear and has sufficient strength and rigidity.The structure of the rock drill type propeller was analyzed,forces borne by promoting forward beams at different states of work limit were calculated and compared,ultimate force bearing condition at worst-case was determined,the smallest anti-flexural modulus for cross-section was found and the dangerous strength of cross-section of promoting beam was verified,so as to achieve the optimal effect of theoretical design to extend the life of rock-drilling machine,making rock drilling machine at work to obtain the optimal axial force and the thrust speed." @default.
- W2388828828 created "2016-06-24" @default.
- W2388828828 creator A5040606417 @default.
- W2388828828 date "2011-01-01" @default.
- W2388828828 modified "2023-09-23" @default.
- W2388828828 title "Optimizing Design of Cross-section of JCZY-252 Rock Drill Forward Beam" @default.
- W2388828828 hasPublicationYear "2011" @default.
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