Rosboro Company of Springfield, Oregon recently installed a new high speed HewSaw break down line for 8’ and 10’ lengths. Realizing after start up that their older woodyard would not keep up, I received a phone call requesting info on our line of Merchandising Systems.
Mark Rainville, Rosboro Engineering Manager, had reviewed the information on our website and determined that our type of system was what the mill needed to increase their log block supply to the new HewSaw line.
With the stud market doing well, Rosboro did not want to shut their existing cut up line down for an extended period of time. We worked with Mark to develop a plan which would allow the install of 95% of the new equipment while the existing system was kept in service. Then, on a week shut down, tie the new equipment into the existing stem infeed.
The other problem to overcome was the limited space to position the new woodyard. The orientation of merchandised log blocks would need to be turned 90 degrees to the incoming flow. There was just enough space to install a block rotation device to serve the purpose.
New equipment included:
- A Rotary Transfer, to be installed between the new equipment and the existing system so that a minimal downtime install could be done.
- Rotary Stem Positioner, to handle the positioning of the stems for cutting and holding the stems during the cut cycle and then releasing them into the block outfeed.
- A 4 saw, Vertical Carriage Saw Assembly capable of working the entire 50’ track length. 48” saw blades could easily handle the 17” max. diameter stems.
- The Block Outfeed system that would pull an appropriate gap for transfer. A Multilog Straightening Pocket for elevating the log blocks squarely onto the Accumulation Deck.
- At the end of the new Accumulation Deck, a Fully Plated Clockwork Singulator/ Indexer feeds the merchandised logs into a reversing transfer conveyor. Up to 23 pieces per minute can be indexed.
- The logs are then rotated 90 degrees by a Rotary Log Turner.
The system is totally electrically operated. No hydraulics are utilized in the system. The system was designed to process up to 10 stems per minute.
Rainville commented recently, “Rosboro is very satisfied with the system. We are very impressed with the quality of the equipment and enjoyed the working relationship we had with Endurance during the design/ install process.”