Due to the brittleness of silicon, use a diamond wire cut silicon wafers is critical stage in solar cell manufacturing. In order improve production yield cutting process, it necessary have thorough understanding phenomena relating parameters. This research reviews and summarizes technology for precision machining monocrystalline using sawing (DWS). Firstly, mathematical models, molecular dynami...

Abstract As a starting point in equipment manufacturing, sawing plays an important role industrial production. Intelligent manufacturing is carrier of intelligent technologies. Due to the backwardness technology, comprehensive performance equipments China obviously different from that foreign countries. State art advanced investigated along with technical bottleneck machine tool and new scheme ...

One of the most crucial factors involved in the optimum design and cost estimation of rock sawing process is the rock abrasivity that could result in a significant cost increase. Various methods including direct and indirect tests have been introduced in order to measure rock abrasivity. The Schimazek’s F-abrasiveness factor ( ) is one of the most common indices to assess rock abrasivity.  is t...

Abstract Sawing variation (SV), the degree of deviation from a specified target lumber size, is an unavoidable component sawing process. SV influenced by several factors such as machine, material, set works, feed and cutting parameters. To account for these resulting in deviations desired thickness cut must be increased that only minimal number boards less than thickness. Thus, greater amount S...

A human skeleton was found in a forest after an aging time (laydays) of nearly three years. Surprisingly a larger number of living maggots crawled out of the medullary cavity of the humerus after sawing it longitudinally. Investigations of other long bones showed remnants of maggots, fly-pupas and maggot-excrements in similar cases. A humerus is found after an estimated aging time of over 100 y...