RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Circular Sorting Table Uses A Small Area

The State Forest Tree Nursery of Montana recently mechanized its conifer grading operation. This was done to increase conifer production and to lessen wasted motion used in grading trees at a stationary table. The usual belt conveyor table, approximately 30 feet long, was considered first. The operating space required was the limiting factor since no building was available with enough spare space for the conventional-type grading table. The high cost of conveyor belting also had to be considered seriously. A 16- by 20-foot shed with a cement floor was available and conveniently located near the refrigerated storage building. This shed became the sorting room, and the proposed sorting table would have to conform to it. A circular table slightly over 8 feet in diameter would make available over 26 feet of working area around the outside edge and would fit well into the selected area.

Download this file:

PDF document Download this file — PDF document, 370Kb


Author(s): Willis J. Heron

Publication: Tree Planters' Notes - Volume 22, Number 2 (1971)

Volume: 22

Number: 2