JLC-80KW Metal Bar End Heating Induction Forging Furnace, widely used for bolts and nuts hot forging with high efficiency and much energy saving.
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Website: www.inductionchina.com
This video shows various methods for preloading bolts including preload indicating washers, angular displacement and direct tension indicators. Visit www.windtechtv.org for more video. Produced by Highland Community College as part of WindTechTV.org, a project supported by the National Science Foundation as part of the Advanced Technological Education program.
WindTechTV is supported by the National Science Foundation under Grant # DUE 1003448. Any opinions, findings, and conclusions or recommendations expressed on this site are those of the authors and do not necessarily reflect the views of the National Science Foundation