File:Canadian forest industries 1911 (1911) (20530800081).jpg

Title: Canadian forest industries 1911
Identifier: canadianforest1911donm (find matches)
Year: 1911 (1910s)
Authors:
Subjects: Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries
Publisher: Don Mills, Ont. : Southam Business Publications
Contributing Library: Fisher - University of Toronto
Digitizing Sponsor: University of Toronto

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CANADA LUMBERMAN AND WOODWORKER 67
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No. 4 Iron Saw Frame and Top Saw The Husk or Saw Frame is box p ittern, heavy and substantial, the end projection for lumber roller and saw guide being cast solid therewith. The Saw Arbor is hammered steel 3 7-8 in. diameter, which is supported in three wide babbitt bearings. The two bearings near the saw are connected, the lower half of each box and the connecting web being cast in one piece for the double purpose of convenience in adjusting and providing a rigid and effective means for holding and taking up the end play of the mandrel. This end piay of mandrel is taken up or regulated at the middle of the m indrel, by a set collar on one side of the hub of pulley on the other. The standard size drive pulley is 26 in. diameter, 16 in. face, but frame will take in a pulley as large as 30 in. diameter, 25 in. face. The Rear Lumber Roller is furnished with steel revolving spreader. A Guernsey Saw Guide is supplied with this frame which is constructed in such a manner that the outside arm can be instantly turned up or back so as to allow the removal of the saw from the Arbor without the trouble of removing the outside arm of the guide from the standard or changing the position of the guide upon the frame. The arms, which are made of steel, are moved independently of each other by hand wheels, and even when the saw is in full motion can be adjusted without the use of a wrench and without danger of accident to the sawyer. Largest size saw that can be used 72 in. Weight 2500 lbs. Floor space 7 ft. x 8 ft. 6 in. The Top Saw Frame is made very heavy and is securely bolted to the saw frame. The Mandrel which is 2 7-16 in. diameter, hammered steel, is carried in oue casting containing two wide babbitt bearings. This casting is machined and fitted to uprights, and is raised or lowered by means of hand wheels and screws. The Tightener Frame, carrying two pulleys 12 in. diameter, 9 in. face, is operated by level-, and the arrangement is such as will allow the top saw to be stopped or started at will, or the tension of the belt increased. These tighteners give the saw a reverse motion. Size of Mandrel Pulley 18 in. diameter, 9 in. face. The top saw frame can be adjusted to carry 72 in. saw on lower mandrel and 36 in. on upper, or 40 in. saw on lower and 24 on upper. Weight 1800 lbs. Where will our Catalogue find you ? THE MADISON WILLIAMS MFG. CO., Limited LINDSAY ONTARIO Eastern Representative: H. E. Plant, 1790 St. James St., Montreal Que. Western Representative: The Canadian Fairbanks Co., Vancouver, B.C.

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