Robot Actuators in Short Supply: A Guide to Dexterous Hand Specs
edgarpavlovsky · x · 2026-08-10
- Supply Chain Trend: The actuator market is crowded but cannot fill today's demand. As the US tightens international purchasing, supply will squeeze further. Manufacturing startups are becoming the new internet companies of the mid-2000s.
- Dexterous Hand Specs: Beyond DoF and actuators, key metrics matter when comparing spec sheets:
- Count active DoF, not just joints.
- Cycles are quoted unloaded (e.g., tendon systems might boast 2M cycles nominal, but drop to 100k at 3x load, a 20x derating).
- Force comprises three different quantities.
- Weight compounds up the robot arm.
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