Rotating Joints - VEX Robotics

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Low-speed/high-load joint (double-stage reduction)Low-Speed/High-Load Joint (Double-Stage Reduction)This joint uses a 12:60 reduction as its initial stage and two 12:60 reductions in parallel as its secondstage. This joint moves at a relatively slow speed but can lift a significant load. It works well as ashoulder joint in high-load applications.It is easy to modify this joint to make it either faster or slower. To increase the speed of the joint,replace one stage of 12-tooth gears (either the first stage 12-tooth gear or both of the second stage12-tooth gears) with 36-tooth gears. To increase it even more, make this change on both stages. Todecrease the speed of this joint, replace the 60-tooth gears in the second stage with 84-tooth gears.These are just two examples of the numerous ways to construct rotating joints. To be successful,always maintain the principles and methodology discussed in this unit.12■Unit 13: Rotating Joints
Create PhaseOverviewIn this phase, you learn about creating an assembly with 2D sketches and 3D models. The objective ofthe assembly is to analyze the motion of grippers in a parallel gripper mechanism.Phase ObjectiveAfter completing this phase, you will be able to:■Analyze the motion of a parallel gripper mechanism.Prerequisites and Related ResourcesBefore starting this phase, you must have:■■■A working knowledge of the Windows operating system.Completed Unit 1: Introduction to Vex and Robotics > Getting Started with Autodesk Inventor.Completed Unit 2: Introduction to Autodesk Inventor > Quick Start for Autodesk Inventor.Create Phase■13
Page 1 and 2: 13:Unit13Rotating Joints UnitIn Uni
Page 3 and 4: SuppliesMasking tapeMeasuring tape8
Page 5 and 6: PhaseAmazeStandardScience (NSES)Uni
Page 8 and 9: The example above has two rotating
Page 10 and 11: 7. If the speed is too fast, you th
Page 14 and 15: Technical OverviewThe following Aut
Page 16 and 17: 4. Create a rectangle. Add 0.5 and
Page 18 and 19: Add Links to the AssemblyIn this se
Page 20 and 21: 8. Click Apply.9. Under Solution, c
Page 22 and 23: Build PhaseOverviewIn this phase, y
Page 24 and 25: 2. Based on your criteria, choose a
Page 26 and 27: Required Supplies and SoftwareThe f
Page 28 and 29: Engineering NotebookAfter seeing yo
Page 30: EngineeringThis unit discussed join

Rotating Joints - VEX Robotics

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