Module 4: Fasteners, Bearings, and Shafts
Loose fasteners, worn bearings, unsupported shafts, and incorrect spacer stacks can stop a subsystem without breaking a major part. Learn how to choose and assemble the hardware that keeps each joint aligned.
5Lessons
0Completed
Not StartedCurrent Status
Lesson Roadmap
4.1 · Screws & ThreadsLesson 4.1: Metric Fasteners, Thread Callouts, and Hole SizingOpen4.2 · Thread LockingLesson 4.2: Keeping Fasteners Tight Under VibrationOpen4.3 · Bearings & ShaftsLesson 4.3: Supporting Rotating Shafts With BearingsOpen4.4 · Stack-UpsLesson 4.4: Planning Spacer Stack-Ups and Controlling AlignmentOpenModule 4 · Mastery QuizModule 4 Mastery Quiz: Fasteners, Bearings, and ShaftsOpen
What This Unit Covers
Read a metric fastener callout and choose the correct length, head style, and drive.
Prevent fasteners from backing out under vibration without making the robot impossible to service.
Support a rotating shaft properly and recognize the failure modes of an unsupported one.
Plan a spacer stack so a mechanism lands exactly where the design intended.
Review the sequence and goals here, then resume at your first incomplete lesson.
Need to move faster?
Mark every lesson in Module 4 complete, save it on this device, and jump straight to Module 5: CAD With Onshape.
Stuck on this lesson?
Ask about anything on this page. It can see which lesson you have open and which part you are reading.