Canadian machinery and metalworking (January-June 1919) . tool itself. Planer tablesare, in reality, quitesensitive, and may,.vith relative ease, beA-arped so that the:lose machining ofnetal held on them isimpossible. It followshat the practice ofusing a planer table as:i plane surface uponwhich to hammerthings in order tostraighten them, is re-prehensible. are to be plac-ed on a planer tablethey should never bepermitted to fall on toit but should alwaysbe let down easily. By TERRELL CROFT If a Planer Bed is Not Given AdequateSupport it may warp out of shape, dueto its own weight
Canadian machinery and metalworking (January-June 1919) . tool itself. Planer tablesare, in reality, quitesensitive, and may,.vith relative ease, beA-arped so that the:lose machining ofnetal held on them isimpossible. It followshat the practice ofusing a planer table as:i plane surface uponwhich to hammerthings in order tostraighten them, is re-prehensible. are to be plac-ed on a planer tablethey should never bepermitted to fall on toit but should alwaysbe let down easily. By TERRELL CROFT If a Planer Bed is Not Given AdequateSupport it may warp out of shape, dueto its own weight, thereby the align-ment of the ways will be affected andthe accuracy of the product will be de-creased accordingly. The concretefoundations, the installation of which isnow standard practice, will, if properlydesigned and installed, eliminate thepossibility of difficulties of this charac-ter. It is the purpose of this article todescribe modern planer foundations andthe method of installing planer beds onthem. The Requirements for Accurate Planer n\ i i. PULLEYS ^\ \
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19
