What are the main factors that cause the accuracy error in robotic operations? W

Question

What are the main factors that cause the accuracy error in robotic operations? What are the main reasons of the repeatability error? Explain what type of robot configuration and what power source would you choose for the performing the following applications with an industrial robot. Why? Loading / Unloading a Computer Numerical Control (CNC) Machining Center: Material handling in an automated die casting / trimming machine station: Palletizing boxes, containing electronic equipment (LCD TVs, Computers etc.) in a warehouse: Stacking small boxes/packages, containing light weight items: Q. Feeding a rolling station with aluminum and steel billets:

Explanation / Answer

1.

2.

Load cell accuracy.

Load factors.

Environmental forces.

Interference with signal transmission.

Instrumentation and control.

Switch repeatability errors

Switch repeatability errors occur due to the fact that the electrical characteristics of the mechanical RF switch used in the measuring instrument change every time it is switched on. These errors may be reduced by carrying out measurements under conditions in which no switching operation takes place.
(You don't need to worry about these errors since the E5071C does not have mechanical RF switches).

Connector repeatability errors

Connector repeatability errors are caused by fluctuations in the electrical characteristics of connectors due to wear. These errors may be reduced by handling connectors with care.

3. The most commonly used robot configurations are articulated robots, SCARA robots, delta robots and cartesian coordinate robots, (gantry robots or x-y-z robots)

Power source

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