نتایج جستجو برای: roller burnishing
تعداد نتایج: 4411 فیلتر نتایج به سال:
In the current study, internal burnishing process under minimum quantity lubrication (MQL) condition has been optimized to decrease cylindricity (CYL) and circularity (CIC) of burnished hole, while surface roughness (SR) is predefined as a constraint. The optimizing inputs are diameter spray nozzle (D), elevation angle (A), lubricant (Q), pressure value compressed air (P). artificial neural net...
The objective of the research was to analyse impact ultrasonic vibration assistance on wear resistance and topology enhancement AISI 1045 cylindrical steel samples after a ball burnishing process. Burnishing process parameters such as force, number passes assistance, or not, 40kHz wave. A screening design 3 factors with 2 central points planned. An improvement in when is applied, expected due e...
This paper deals with the optimization of external roller burnishing operation using a CNC lathe for Mg-SiC metal matrix. Magnesium was alloyed 10% (w/w) SiC particles as reinforcement. The Stir casting process used to cast bars. turning then performed on these bars prepare them process. parameters considered during are speed, feed rate, force and number tool passes. Surface roughness, microhar...
A hybrid metal-additive manufacturing (AM) process that combines laser-based powder bed fusion (PBF-LB) with interlayer burnishing is investigated using a comprehensive modeling framework to provide new insights into how the inhomogeneous microstructure and residual stress from laser affect induced field evolves during burnishing. Researchers have recently studied changes in resulting similar p...
Deep cold rolling (DCR) and low plasticity burnishing (LPB) process are cold working processes, which easily produce a smooth and work-hardened surface by plastic deformation of surface irregularities. The present study focuses on the surface roughness and surface hardness aspects of AISI 4140 work material, using fractional factorial design of experiments. The assessment of the surface integri...
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