// multi-utility computation suite · offline · instant · precise
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│ computation suite │
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eng.robotic-arm-reach Calculator
Calculates the workspace envelope (reachable sphere) for a robot arm from link lengths and joint angle limits. The workspace must encompass all required task positions — insufficient reach requires repositioning the robot or adding a linear track.
Inputs
Link1 Length M
Linear measurement. Ensure consistent units: 1 m = 1,000 mm = 3.281 ft.
Link2 Length M
Linear measurement. Ensure consistent units: 1 m = 1,000 mm = 3.281 ft.
Joint1 Angle Deg
Reference formula or conversion factor shown for context.
Joint2 Angle Deg
Reference formula or conversion factor shown for context.
Results
end-effector X (m)
Sample size or count used in the calculation.
end-effector Y (m)
Sample size or count used in the calculation.
reach from base (m)
Reference formula or conversion factor shown for context.
max reach L₁+L₂
Reference formula or conversion factor shown for context.
reach efficiency
Useful output divided by total input, as a percentage. True 100% efficiency is impossible — losses appear as heat. LEDs: 30–50%. Electric motors: 85–97%. Switching supplies: 85–95%.