Introduction: Design and Assemble a Wheelchair Lever Arm: Planetary Gear

Instructions on how to build part of the wheelchair lever arm in solidworks for this project:

Step 1: Sketch a 17mm Diameter Circle on the Front Plane

Step 2: Create a Vertical Centerline at the Top of the Circle, Draw Half of a Tooth and Use "Mirror Entities" to Mirror About the Centerline

Step 3: Use "Circular Pattern" to Create 21 Identical Teeth Around the Gear and Use "trim Entities" to Trim the Circle

Step 4: Extrude the Gear by 4mm Using "Extrude Boss"

Step 5: Use "Hole Wizard" to Create and M2 Counterbore Hole in the Center of the Gear

Step 6: History Tree