. Canadian foundryman (1918). finishing ma-chines developed by the BlevneyMachine Co., Greenfield, Mass.,make use of a two-belt system of fin-ishing with an abrasive cloth belt run-ning at high speed over a heavy corru-gated leather cushion belt. Skilled laboris unnecessary and the process results ina remarkably high rate of production. The Type A machine is built up ona heavy cast iron column providing thenecessary rigidity for a high-speed ma-chine. Steel ways are attached to til*column and the sliding frames in whichthe idler pulleys operate travel on theseways. The main belt pulley is atta
. Canadian foundryman (1918). finishing ma-chines developed by the BlevneyMachine Co., Greenfield, Mass.,make use of a two-belt system of fin-ishing with an abrasive cloth belt run-ning at high speed over a heavy corru-gated leather cushion belt. Skilled laboris unnecessary and the process results ina remarkably high rate of production. The Type A machine is built up ona heavy cast iron column providing thenecessary rigidity for a high-speed ma-chine. Steel ways are attached to til*column and the sliding frames in whichthe idler pulleys operate travel on theseways. The main belt pulley is attachedto a shaft running in suitable boxes inthe lower part of the column of machineand the driving pulley is attached to theother end of this shaft. The patentcushion belt is run over the main pulleyand the idler next above, travelling ata speed of 7,000 feet per minute. Thecloth abrasive finishing belt is placedover the cushion belt running from themain pulley to another idler pulley oper-ating in frame at top of machine. The.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjec, booksubjectfoundries
