Robust Simplicity

grabcad

The CHAMP must be robust due to handling grabbing forces. 3D printing poses a challenge, as layered structure weakens strength; therefore, clamp components should have solid and thick engagement. Large surface areas for contacting parts and solid features are ideal. To avoid weakness, screws, threads, pins, teeth, or fine geometries should be avoided. For simplicity, the design should have few parts, with a single part design possible if one end of the handrail is free. However, this concept may cause difficulties in installation and removal due to friction, rendering it impractical. Thus, a two-part design is preferred. Replacement parts must be small for cost savings in material and printing time. The Z-axis of the print should be parallel with the handrail's axis to prevent shearing upon force application. This concept may require alterations for an in-situ fit, but reducing weight by thinning parts or shortening length is not prioritized due to strength concerns.