Day 7: (Wed Sep 20, Week 4) Servo Transmissions

Notes for 2023-09-20.

Notes from Day 6

Tolerance samples for the new Mosaic printer:

  1. Hole drawn at 1.4 mm for tie rod too small, it effectively closed up and was less than 1 mm.

  2. Holes drawn at 1.9 mm for micro servo mounts successfully self-tapped with the provided wood screws.

  3. Hole drawn at 6.35 mm measures between 6.2 and 6.3. Tight press fit on a 1/4 inch clevis pin (used vise).

  4. Hole drawn at 8.0 mm a tight press fit on a 5/16 inch OD bushing (used vise).

Assignments

  1. New assignment, due Mon Sep 25: please read and be prepared to discuss Investigating Rocks and Sand.

  2. Due Mon Sep 25: Exercise: Actuated Marble Run Tile. Please see Assignment 4 Posts: Actuated Tile for submission links.

Administrative

Looking ahead: in one week we will be visiting the Children’s School for the entire class period. On Wed Sep 27, Please meet at the south lobby of Margaret Morrison, one floor down from the rotunda entrance. Please be prompt, we will enter the MMC-17 secure school area precisely at 10:00AM.

Agenda

  1. Brief discussion of reading assignment.

  2. Quick review of current assignment.

  3. More SolidWorks design examples.

  4. Individual review of mechanism ideas.

  5. Before you leave, please locate any needed parts within the room.