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| Title | Publication | Publish Year |
|---|---|---|
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Peeling Veneer with a Floating Bar: Effect of Bar Pressure on Veneer Quality
Veneer cutting trials were conducted on a lathe equip ped with a floating (pressure-controlled) nose bar using pressures of 20 to 90 pounds per linear inch (pli) of log. Results […]
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Forest Products Journal | 1973 |
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Pendulum Cutting Test Standardization and Pertinent Cutting Fundamentals
A proposal has been made for an international standardization of the dynamometric pendulum tests used in studies of the sawing of woods. Basically, the maximum pressure that wood can exert […]
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Forest Products Journal | 1960 |
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Pendulum Cutting Test Standardization and Pertinent Cutting Fundamentals–(Part II)
The effective flow control of a chip cut by a sawtooth is related to gullet outline. All energy of elastic recovery must be dissipated in the cutting process phases and […]
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Forest Products Journal | 1960 |
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Performance and Annoyance Effects of Noise
In the industrial environment, the impact of noise on hearing acuity is of major concern. However, a second area of potential importance is the relationship between noise and performance. This […]
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Forest Products Journal | 1981 |
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Performance of a Thin Circular Headsaw Cutting Hardwoods
Past research indicated that a 9/10 gage, 1/4-inch-tooth saw used about 15 percent less power and yielded 8 percent more product than a 7/8 gage, 9/32-inch-tooth saw cutting hardwood bolts […]
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Forest Products Journal | 1983 |
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Performance Tests on the Powered Back-Up Roll
A powered back-up roll designed and manufactured by Premier Gear and Machine Works and Lloyd Controls was installed at Boise Cascade Corporation’s Yakima plywood plant in October 1981. Design of […]
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Forest Products Journal | 1983 |
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Peripheral Milling Across the Grain with Rake Angles Up to 60 Degrees
Panels of yellow-poplar, red oak, and sugar maple conditioned at 8 percent moisture content were up-milled and down-milled across the grain with rake angles of 37?, 45?, 52?, and 60? […]
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Forest Products Journal | 1980 |
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Planer Feeding Difficulties
Small waves and kinks in rough lumber often cause feeding trouble with thicknessing planers. The lower rolls, by failing to contact the board, do not move it against the friction […]
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Forest Products Journal | 1956 |
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Plywood and Sawmill Liquid Waste Disposal
Improper road construction and inadequate slash disposal are two sources of water pollution in the logging industry. On the other hand reasonable precautions during logging activities can preserve water quality. […]
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Forest Products Journal | 1971 |
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Post Incising Machine Design
Hot and cold bath preservative treatment of tropical hardwood posts gave insufficient penetration in six of 13 species. Penetration after incising increased from 0.3 to 0.8 inches. On a 3-inch […]
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Forest Products Journal | 1967 |
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Power Requirements for Producing Wood Chips
This study reports the effect of certain variables on the power required to produce pulp chips. Variables investigated were spout feed angle, knife sharpness angle, chip length, density, and knife […]
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Forest Products Journal | 1966 |
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Power Requirements for Producing Wood Chips with a Parallel Knife Chipper
This study investigated the relationships between chipping energy with an 18-inch Soderhamn HP parallel knife chipper of the twin disk type and log volume for five hardwood species. The chips […]
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Forest Products Journal | 1968 |
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Practical Drying Techniques for Yellow-Poplar S-D-R Flitches
A preliminary study was conducted to determine what duration of steaming or high-temperature treatment would be required to relieve growth stresses in 7/4-inch-thick yellow-poplar flitches. Steaming times of 5, 10, […]
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Forest Products Journal | 1984 |
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Precision Surfacing of Wood
This paper deals only with what is sometimes called “cabinet surfacing”. The machines employed average 30 to 36 inches in width, with a bed drop of 6 to 8 inches […]
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Forest Products Journal | 1948 |
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Precompressing Flitches to Improve the Quality of Slicewood
Precompressing flitches of yellow-poplar by 50 percent prior to slicing greatly reduced knife checks in 1/4- and 7/16-inch-thick slicewood cut from them. Some of the 1/4 inch slicewood cut from […]
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Forest Products Journal | 1963 |
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Predicted Cubic-Foot Yields for Green Veneer and Byproducts for Northern Red Oak Logs Processed At a Half-Round Slicing Operation
Mill managers or owners must have some benchmark with which to compare the efficiency of their operations. In this study, 169 northern red oak butt and upper logs, ranging from […]
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Forest Products Journal | 1985 |
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Predrilling Pallet Deckboards of Very Dense Hardwoods
When very dense hardwoods with specific gravities greater than 0.65 (hickory, locust, some eucalyptus, and other tropical woods) are used for making pallet deckboards, it maybe necessary to predrill the […]
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Forest Products Journal | 1979 |
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Preliminary investigations of ultrafast intense laser wood processing
Conventional wood machining involves the application of a force to separate chips from the workpiece until the desired workpiece size is achieved. Depending on the magnitude of the force applied […]
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Forest Products Journal | 1999 |
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Preloading the Pressure-Bar Assembly for Improved Veneer-Lathe Setting Accuracy
Wear in the pressure-bar assembly of a veneer lathe will frequently cause the horizontal opening, under operating conditions, to deviate from even the most accurate adjustment made under static conditions. […]
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Forest Products Journal | 1975 |
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Principles Involved in Match Ripping
Raw material loss is inevitable when match ripping, for tongue and groove and other glued joints and for final sizing of glued-up panels. Close attention to required over-widths, saw conditioning, […]
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Forest Products Journal | 1958 |
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Process for Rapid Conversion of Red Oak Logs to Dry Lumber
Lumber is usually air- and kiln-dried in batch processes that take several weeks or months to complete. Processing costs are therefore high because of the expense of holding large lumber […]
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Forest Products Journal | 1985 |
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Producing Check-Free Beech for Turnings
The effectiveness of presurfacing green beech squares or drying the stock as rounds for reducing surface checking was investigated. Rough-sawed and presurfaced 2-1/2-inch by 2-1/2-inch squares and green rounds 2-1/2 […]
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Forest Products Journal | 1968 |
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Producing Hardwood Dimension Stock
With most orders, dimension stock must be put through a rough planing operation, setting the planer 1/32 to 1/16 inch under standard rough thickness. Thus the operator of the cross-cut […]
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Forest Products Journal | 1952 |
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Producing Slender Turnings At Automatic Lathes
Where very slender turnings of any considerable length. are being machined between centers in any type of lathe, the end pressure which is necessary to hold a turning between centers […]
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Forest Products Journal | 1957 |
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Product Line, Manufacturing Requirements in the Lumber Export Market
Strategies of companies serving the overseas lumber export market have been determined by the geographic location, timber supply, marketing and distribution capabilities, and plant facilities and manufacturing know-how. Marketing and […]
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Forest Products Journal | 1981 |