Rollin Bicskei and Travis Haley Slab Mill
Dec 21, 2015
Rollin Bicskei and Travis Haley
Slab Mill
Objectives
BackgroundMechanical
– Specifications, System Diagram, CAD
Hydraulic– Specifications, Schematic
Electrical– System Diagram, State Diagrams
Background
LumberSlabs
After a log is processed for lumber, slabs unfit for standard use areleft over. These slabs can be processed into firewood however.
Mechanical Specifications
PTO shaft driven, 550rpm, 34hpHydraulically powered drive units12-24” cuts off of 16’ slabsMaximum width of slabs 20”Manually loaded slabs
System Diagram
Conveyor
Adjustable Stop
Saw Blade
Gap between conveyors
Conveyor
Operator
Wood Slabs
Clamp
1
3
2&84&7
5&6
9
Conveyor
Chain Saw
Mechanical Stop
Mechanical Stop #2
latch
Front View Side View
Hydraulic Specifications
1500psi system pressure15gpm system volume flow rate
Hydraulic System Schematic
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)
PLC Wiring Schematic
PLC Input Wiring
PLC Ladder Logic
Mechanical Stop State Diagram
Conveyor State Diagram
Clamp State Diagram
Saw System Diagram
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
Questions
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