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A variety of Selective Laser Melting machines with laser outputs from 100 to 2800 Watt are sold, the latter distributed on four lasers. According to manufacturer specifications, the top model is the currently (April 2014) highest-performing metal 3D printer on the market and cost approximately 1.5 million euros. [1]
By 1887 the company had broadened its operations and was incorporated as the North Bros. Mfg. Co. In 1892 the American Machine Co. of Philadelphia and its "Crown" consumer brand was acquired and operations were soon moved to its facilities. [3] In 1893 they acquired the Shepard Hdw. Co. of Buffalo, New York.
Mobile snow melters drive down a street or along a rail line collecting snow and melting it. These often have a holding tank so the melt-water can be discharged at a designated location. Semi-mobile units have wheels and are moved into position and then loaded with snow by another machine. Stationary snowmelt systems may be built into the ground.
Mesta Machinery was a leading industrial machinery manufacturer based in the Pittsburgh area town of West Homestead, Pennsylvania. It was founded in 1898 by George Mesta when he merged his machine shop with another. [2] Mesta "machines" can be found in factories throughout the world and as of 1984 had equipment in 500 steel mills. [3]
While the outward designs of apparatuses can vary greatly, most apparatuses use a sample loaded into a sealed capillary tube (melting-point tube), which is then placed in the apparatus. The sample is then heated, either by a heating block or an oil bath, and as the temperature increases, the sample is observed to determine when the phase change ...
The company was founded in 1950 as Crown Construction.Frank J. Pasquerilla, who joined less than a year later, became president in 1956 and sole owner in 1961. The company's name was changed to Crown American in 1972 and in 1979, it acquired the Hess's department store chain.
Typically, dementia is associated with classic symptoms like confusion and memory loss. But new research finds that there could be a less obvious risk factor out there: your cholesterol levels ...
Vacuum arc remelting (VAR) is a secondary melting process for production of metal ingots with elevated chemical and mechanical homogeneity for highly demanding applications. [1] The VAR process has revolutionized the specialty traditional metallurgical techniques industry, and has made possible tightly controlled materials used in biomedical ...