نتایج جستجو برای: point forming
تعداد نتایج: 632928 فیلتر نتایج به سال:
Force prediction for single point incremental forming deduced from experimental and FEM observations
Multi-point forming (MPF) is an advanced and flexible method to form sheet metal workpieces. Although there are studies investigating different aspects of this method, the on effects pin diameter contact MPF insufficient. In study, pins with diameters 10, 12, 14 mm were used investigate damage factor, effective stress distribution, required loads three forms aluminum 1100 parts in finite elemen...
Transcription factor GATA-1 is essential for the development of the erythroid lineage. To ascertain whether strict control of GATA-1 expression level is necessary for achieving proper erythropoiesis, we established transgenic mouse lines expressing green fluorescent protein (GFP) under the control of the GATA-1 gene hematopoietic regulatory domain. We examined the GATA-1 expression level by exp...
The deformation mechanism of incremental sheet forming (ISF) is examined experimentally through forming specially prepared copper sheets. Strain distributions through the thickness of the sheets are measured for two configurations of ISF: two-point incremental forming (TPIF) and single-point incremental forming (SPIF), and a comparison is made to pressing. The measurements show that the deforma...
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