1. John B. Modern straightening machines for pipe, tubes, bars and sections. Iron Steel Eng, 1997, 11(1): 38–45
2. Zhuang S M, Sun Y M. ASC-II automatic shaft straightener (in Chinese). Test Tech Test Mach, 2006, 2(1): 60–64
3. Qin M H, Ke Z Z, Jiang S R, et al. Study on straightening technical theory of shaft kind in exact straightening press (in Chinese). J Mech Eng, 1997, 33(2): 48–53
4. Li J. Research on theoretical model of press straightening process and its experiment (in Chinese). J Mech Strength, 2005, 27(5): 636–639
5. Li J, Zou H J. Theoretical analysis on calculation formula of straightening amount of automatic straightening machine (in Chinese). Heat Treat Met, 2004, 29(5): 72–74