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| Title | Publication | Publish Year |
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Shaping-Lathe Headrig Yields Solid and Molded-Flake Hardwood Products
A shaping-lathe headrig, operated one shift daily, can be used to manufacture hardwood cants to be resawed into pallet shook, one-piece and dowel-laminated crossties, posts and rails, and other solid […]
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Forest Products Journal | 1978 |
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Shaping-Lathe Roundup Machine Is Key to Profitable Manufacture of Composite Sheathing Panels in Massachusetts Or Maine
A process for producing a superior quality structural sheathing from flakeboard cores and 1/8-inch veneer facings, using 8-foot veneer bolts as raw material, is described. Debarked veneer bolts would be […]
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Forest Products Journal | 1978 |
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Simple Formulas for Natural Frequencies and Critical Speeds of Circular Saws
The complexity of the calculations involved in computing circular saw natural frequencies and critical speeds has impeded the general adoption of the critical speed theory for practical sawblade design. This […]
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Forest Products Journal | 1986 |
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Simulated Sawing with a Chipping Headrig
Southern pine sawlogs were studied to determine the location of defects and the relationship of defects to the grade and value of lumber produced by a chipping headrig. Ten 13-inch […]
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Forest Products Journal | 1975 |
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Slash Pine Rootwood in Flakeboard
Flakes 3 inches along the grain, 3/8-inch wide, and 0.02-inch thick, were prepared from the taproots (with six-inch-high stumps) and from the second logs of eight 31year-old slash pines. Forty-four […]
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Forest Products Journal | 1974 |
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Slicewood–A Promising New Wood Product
FPL technicians have cut 1/2-inch slicewood on a conventional veneer slicer with yields up to 46 percent more than the predicted recovery by sawing. The techniques used are presented in […]
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Forest Products Journal | 1962 |
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Slicing Wood One-Inch Thick: Four Types of Pressure Bars
Slices 1-inch thick of red oak, Douglas-fir, and aspen were cut with four types of pressure bars. Cutting was done at 200?F. on a modified metal milling machine equipped with […]
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Forest Products Journal | 1969 |
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Some Aspects of Wood Machinability Studies
Machinability refers to the ability of a tool to cut and the ability of wood to be cut. Though production experience is important in determining machinability, careful analysis of the […]
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Forest Products Journal | 1951 |
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Some Dynamic Characteristics of Band Saws
This is a theoretical analysis of the dependence of band saw tension and flexual natural frequencies upon the band axial velocity on the wheel and the pulley mounting systems which […]
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Forest Products Journal | 1965 |
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Some Effects of Bacterial Action on Rotary-Cut Southern Pine Veneer
The U.S. Forest Products Laboratory observed differences in veneer quality from disks of southern pine depending upon the storage history of the pine disks. A study was carried out to […]
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Forest Products Journal | 1966 |
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Some Engineering Considerations of High-Strain Band Saws
Strength tests of saw steel gave average values of 207,000 psi for the ultimate strength and 179,000 psi for the 0.2 percent yield stress. Sixty three samples of band saw […]
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Forest Products Journal | 1971 |
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SPSM–A Southern Pine Sawmill Model
SPSM is a simulation model of a large southern pine sawmill. Operational variables included in the combined network and discrete-event model are production rates, equipment, personnel, log quality, log costs, […]
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Forest Products Journal | 1983 |
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Square Cants from Round Bolts Without Slabs Or Sawdust
Three designs to create chips or flakes by means of end-milling, peripheral milling, and cutting with shaping lathe were tested. The experimental setup for the end-milling configuration was a Koch […]
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Forest Products Journal | 1964 |
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State-Of-The-Art Lumber Manufacture
Dramatic changes brought about by the trend to manufacture lumber from small logs are reviewed. In Scandinavia, reducer band mills consisting of chipping slabbers and multiple band mills process 6 […]
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Forest Products Journal | 1979 |
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Statistical Quality Control and Veneering Research on Semul
The objectives of this research were to provide knowledge of the technical factors necessary to satisfactorily peel semul, a species of the genera of Bombacaceae, and simultaneously to demonstrate the […]
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Forest Products Journal | 1968 |
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Status of Tungsten Carbide in the Woodworking Industry
There are four basic points to be considered in the application of tungsten carbide: l) Tungsten carbide is not of the steel family and should not be treated as such. […]
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Forest Products Journal | 1958 |
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Status Report on the Technology of Saws
Extensive reviews of the literature concerning principal developments in saw stability and vibration research were published in the late 1970s and early 1980s. This paper reports on the latest and […]
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Forest Products Journal | 1986 |
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Steam-Injection Knife Improves Veneer Quality
Block conditioning chambers to facilitate veneer cutting are expensive to construct, expensive to operate, and create pollution. Also, veneer block temperature is very difficult to control. A new approach to […]
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Forest Products Journal | 1974 |
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Stellite for the Woodworking Industry
Stellite alloys, cast alloys containing only a negligible amount of iron, are composed of approximately 65 percent cobalt, 25 percent chromium, and 10 percent tungsten. Stellite loses none of its […]
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Forest Products Journal | 1952 |
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Stock Removal Rates for Aluminum Oxide- and Garnet-Coated Abrasive Belts
Sugar maple conditioned at 8 percent NC was sanded with aluminum oxide- and garnet-coated abrasive belts of similar weight and particle size distribution of mineral. Three grit sizes (60, 100, […]
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Forest Products Journal | 1978 |
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Straight Studs from Southern Pine Veneer Cores and Cordwood
Seven alternate processes for converting southern pine veneer cores into 8-foot studs were studied for strength and elastic modulus in flatwise bending, edgewise bending, full-length compression, and full-length tension; regression […]
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Forest Products Journal | 1968 |
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Stress Distribution in the Wood Ahead of a Cutting Tool
The cleavage line in the wood ahead of a cutting tool during machining is investigated by means of both conformal-transformation techniques and photoelasticity. The theoretical experimental stress distributions shown give […]
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Forest Products Journal | 1962 |
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Structural Changes in the Hardwood Face Veneer Industry
The hardwood face veneer industry has existed since the early 1800s in the United States. The industry is defined to include only those firms which slice veneer from flitches for […]
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Forest Products Journal | 1985 |
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Structural Lumber Grade and Yield Estimates for Yellow-Poplar Sawlogs
Yellow-poplar is an accepted species for structural light framing in the National Grading Rule as adopted by the Northern Hardwood and Pine Manufacturers Association (NHPMA). If utilization of yellow-poplar as […]
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Forest Products Journal | 1985 |
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Structural Lumber Laminated from 1/4-Inch Rotary-Peeled Southern Pine Veneer
This study is one of a series, begun in 1963, that has evaluated the properties of beams and lumber laminated from thick southern pine veneers. This series of experiments has […]
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Forest Products Journal | 1973 |