Wiring Management: The Art of the Cable Snake
Spaghetti wiring loses matches. How to route wires for turrets, slides, and claws using IGUS chains.
Wiring Management: The Art of the Cable Snake
A disconnected wire is a dead robot. Most disconnects happen because a moving part pulled a wire too tight.
The Problem: Dynamic Mechanisms
- Linear Slides: How do you get power to the claw when it extends 4 feet?
- Turrets: How do you spin 360 degrees without twisting the wires?
The Solution: Energy Chains (IGUS)
An “Energy Chain” (or Cable Snake) is a plastic link system that forces wires to bend in a controlled radius.
- Protection: Wires are inside armor.
- Constraint: Wires cannot knot or tangle.
3D Printed Snakes
IGUS is expensive. You can print your own chains.
- Material: PETG (PLA snaps).
- Clearance: Make sure your wire gauge fits loosely. Friction is the enemy.
Strain Relief
The most important rule: Anchor your wires. Zip-tie the wire to the frame 1 inch before it enters the component. This ensures that if the wire gets yanked, the force goes into the zip-tie, not the fragile connector.
Conclusion
Beautiful wiring is not just aesthetics. It is reliability. If your robot looks like a rat’s nest, expect it to die like one.