. Canadian forest industries 1911. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. CANADA LUMBERMAN AND WOODWORKER 41 Extra Thin Gauge Circular Saws Extra thin guage saws are apt to spring aside and follow the grain of the wood, and to run them successfully a number of points must be borne in mind, says the Timber Trade Journal. In the first place, the bench itself must be well constructed, the saw spindle, bearings, collars and pin be kept dead true, and the bearings be of ample area and well lubricated. The saw must be carefully tensioned to suit
. Canadian forest industries 1911. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. CANADA LUMBERMAN AND WOODWORKER 41 Extra Thin Gauge Circular Saws Extra thin guage saws are apt to spring aside and follow the grain of the wood, and to run them successfully a number of points must be borne in mind, says the Timber Trade Journal. In the first place, the bench itself must be well constructed, the saw spindle, bearings, collars and pin be kept dead true, and the bearings be of ample area and well lubricated. The saw must be carefully tensioned to suit the rim and feed speed at which it is to run, and be correct for the work and timber in the shape and number of teeth, gullet room, and be uniform in space and set. Bearing in mind that the thinner the gauge of the saw the greater the number of teeth required to stand a given feed, care must be taken that the teeth are uniform- ly sharpened and the saw is in balance, , is absolutely round. The packing, too, should be very carefully adjusted so as to give a uniform heat over the whole blade. The speed of the saw should always be kept up to its full standard, and be as regular as possible. ferent forms of indiarubber be- come hardened, and are unreli- able. A good plan is to cut thin as- bestos rings to the exact sizes of the joit faces, and coat them with blacklead, as they can be readily removed and used several times over. In making the joints of mudhole covers, which are fixed from the inside of the boiler, cast lead rings, about % in- thick, make a good joint, and are large- ly used. In many of the best boilers the joint facts are now us- ually machined to a true surface. Ferguson Lumber Co. London. Ont. SHINGLES I * LvATH, Etc. UMBER B. C. Red Cedar Shingles Always in Transit We are Buyers of A Belt Shifting Wrinkle The ordinary belt shifting gear used in a saw mill usually consists of two upright iron rods fixed on a cross-bar operated by a lever. If this arrangements
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