Abstract
The clearances in the slide guide system of a hydraulic press are one of the significant factors affecting its accuracy. These clearances also affect the energy consumption of the press. An energy loss model that considers the oil leaks and friction associated with these clearances was proposed, and the size of clearances was optimized based on the model. The maximum allowable eccentric load and the energy loss on the wedge clearance condition were calculated to ensure the slide and guide pillars function properly. The stiffness of pillars and wear of guide rails were checked under an eccentric load condition. A case for rapid sheet metal forming with a 20 MN hydraulic press was examined. For this case, the optimum fit clearances were found to be approximately 0.4 mm. The energy loss under an eccentric load condition was increased by approximately 83% compared to a non-eccentric load condition. The pillars were optimized by reducing excessive stiffness, which served to decrease the pillar weight by nearly 20%.
Highlights
It is often said that manufacturing is the engine for economic development; in many countries, manufacturing represents the largest energy end-use
This paper aims to optimize the clearances and guide length for a slide guide system; it is was found that discusses how the clearances and guide geometry affect the press energy consumption
This paper aims to optimize the clearances and guide length for a slide guide system; it is envisioned that this solution will provide an excellent reference for the design of clearances and the adjustment of hydraulic presses
Summary
It is often said that manufacturing is the engine for economic development; in many countries, manufacturing represents the largest energy end-use. The impact of eccentric loads and components has investigated respect to literature was found that discusses how the clearances and guide geometry affect the press the forming accuracy of hydraulic presses. It is still unknown how the clearancesenergy and guide consumption.
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