Three years ago my dad and I thought it would be cool to make a robot to cut truss lumber. We started the project but put it on hold to build the Automatic Post Nailing Machine. This spring dad asked me if I wanted to take another shot at building the wood cutting robot, or as we refer to it as the Linear Saw. Our goal was to cut a piece of wood by the end of the summer, and we did it! The Linear Saw runs on a Productivity 2000 PLC, with two high-speed input/output models, a 32 channel input module, a 16 channel mechanical relay output module. The system is controlled by a C-more 7 inch touch screen display via Ethernet. The high-speed modules send a pulsing signal to the four stepper drivers, which then operates the NEMA 34 stepper motors. The system runs on 24v DC with the addition of three 60v DC power supplies for the stepper motors. My dad and I worked on this project together. I handled all the wiring and programming. Dad built the mechanical components of the the Linear Saw. My brother Wyatt also helped with some out the construction. The purpose of the Linear Saw is to cut lumber with specific lengths and angles to build trusses for buildings. Trusses have all different kinds of cut angles that need to be just right. Cutting out all the angles by hand takes a lot of time. The Linear Saw will speed up the process of cutting the lumber, and improve its accuracy.
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