- 産業: Forest products; Government
- Number of terms: 2933
- Number of blossaries: 0
- Company Profile:
Mechanized cutting tool for felling trees; works like a pair of scissors; one blade is slightly offset, but both work against the other. Some work edge to edge.
Industry:Forest products
Winch consisting of two drums controlled separately-one for the dragline and the other for the haul-back line. Sometimes mounted on and powered by a tractor.
Industry:Forest products
Log rule used in the Eastern and Southern United States. Underestimates board footage in small logs and overestimates in large logs.
Industry:Forest products
1. Single sled used in dragging logs. One end of the log rests on the sled, the other drags on the ground. 2. Device for leveling roads. 3. Load of logs or trees being skidded.
Industry:Forest products
Carrier-mounted, single-action, anvil shear used in mechanized cutting operations. Blade is drawn through the tree, toward the carrier.
Industry:Forest products
Tractor's flywheel horsepower, minus friction and slippage losses in the drive mechanism and the tracks or tires.
Industry:Forest products
Used primarily to remove bark from pulpwood. Bolts tumble together forcibly and repeatedly in their passage through a large drum, rubbing off bark as they roll against each other and against the corrugated interior of the drum. The drum's corrugated interior keeps the bolts tumbling as the drum rotates, while gravity and the force of additional incoming bolts force the wood through.
Industry:Forest products
Partially decomposed organic material of the forest floor beneath the litter of freshly fallen twigs, needles, and leaves.
Industry:Forest products
