1. Rollin Bicskei and Travis Haley Slab Mill

2. Objectives Background Mechanical – Specifications, System Diagram, CAD Hydraulic – Specifications, Schematic Electrical – System Diagram, State Diagrams

3. Background Lumber Slabs After a log is processed for lumber, slabs unfit for standard use are left over. These slabs can be processed into firewood however.

4. Mechanical Specifications PTO shaft driven, 550rpm, 34hp Hydraulically powered drive units 12-24” cuts off of 16’ slabs Maximum width of slabs 20” Manually loaded slabs

5. System Diagram Conveyor Adjustable Stop Saw Blade Gap between conveyors Conveyor Operator Wood Slabs Clamp 1 3 2&8 4&7 5&6 9

6. Conveyor

7. Chain Saw

8. Mechanical Stop

9. Mechanical Stop #2 latch Front ViewSide View

10. Hydraulic Specifications 1500psi system pressure 15gpm system volume flow rate

11. Hydraulic System Schematic

12. Electrical System Diagram DL06 PLC Slab Fully Advanced Sensor Mechanical Stop Pos. Sensors Clamp Pos. Sensors Saw Vert. Pos. Sensors Conveyor Motor Valve Clamp Cylinder Valve Chainsaw Motor Valve Chainsaw Cylinder Valve Mech. Stop Cylinder Valve Sensors (Input)‏ Mechanisms (Output)‏

13. PLC Wiring Schematic PLC Input Wiring

14. PLC Ladder Logic

15. Mechanical Stop State Diagram

16. Conveyor State Diagram

17. Clamp State Diagram

18. Saw System Diagram

19. Budget Conveyors: $1500 PTO driven hydraulic pump: $330 Hydraulic chain saw: $1000 Three 1 ½ inch hydraulic cylinders: $1050 Conveyor drive motor: $280 Five three position, four port solenoid actuated valves: $2000 Reservoir tank: $500 Hydraulic system filter: $60 TOTAL: $6700

20. Questions ?