Appliance of Value Engineering on the Improvement of Headstock Gear

  •  ZHANG LI    
  •  Xun-gang Zheng    


Based on the value engineering analysis, this article calculates the vale coefficient of the headstock gear through defining the cost coefficient and functional coefficient, whose result shows that the lower cover and screw stem are the main objects to be improved, therefore, puts forward proposals to the improvement of lower cover and screw stem and finally evaluates the improving program whose result suggests improving program has a good effect.

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