Sentence examples for limiting drawing ratio from inspiring English sources
In the present work the model of Liu [D.K. Liu, The limiting drawing ratio for plastic instability of the cup-drawing process, J. Mater. Process. Technol. 86 (1999) 168 176] in which LDR is a function of material properties, coefficient of friction (taken into account in an approximate manner) and the die arc radius, is improved.
The prediction from the present model is in good agreement with the experimental results and is an improvement over that predicted from the existing model of Liu [D.K. Liu, The limiting drawing ratio for plastic instability of the cup-drawing process, J. Mater. Process. Technol. 86 (1999) 168 176].
Limiting drawing ratio is one such measure.
Amongst these challenges is a decrease in the limiting drawing ratio observed in micro deep drawing of metal foils.
An elliptic cup with a limiting drawing ratio (LDR) of 2.28 has been successfully achieved using the proposed technique and set-up.
Effects of blank thickness and clearance ratio on limiting drawing ratio, drawing load and thickness strain were numerically and experimentally investigated.
The limiting draw ratio (LDR) as well as the drawing load, were used as a parameter to evaluate the friction between tool and blank.
In this study, the algorithm was applied to fuzzy adaptive control of the blank holding force (BHF) in the circular-cup deep-drawing process in order to improve the limit drawing ratio (LDR), which is a typical industrial requirement.
The research activity was aimed to investigate the formability (evaluated by means of the material Limit Drawing Ratio) of the AA5754-O by means of experimental tests supported by numerical analysis.
The results showed that the limiting drawing coefficient (LDC) and drawing force were dramatically decreased.
Due to the constraints of the limit draw ratio (LDR) of stainless steel 304 sheets in micro deep drawing, forming a micro cup with high CH/OD ratio at room temperature cannot be achieved by using a single stage deep drawing die.
