Quick and easy tool, for demonstrating thermal expansion, four bar combinations: Brass/Aluminum, Brass/Iron, Copper/Iron, and Brass/ Copper. Since each metal has a different coefficient of thermal expansion, they will create a unique curve when paired with a different metal
CNC milling training system, compact, desk-top unit, exposes students to the historical development of CNC, to standard G-code and use of a computer to control the machine, Features Emergency Stop push-button, door around the spindle and material has limit switches