Today's competitive industrial environments demand high throughput rates.
Since robots are fast by design and range in size, they can assist industry
and handle applications ranging from small to large payloads,
and can perform a variety of tasks with ease in order to increase productivity.
Many mid-size robots specialize in fast,
flexible movements. For example, the FANUC
Robotics R -2000iB robot, used
in applications for Automotive Spot Welding and General Assembly, possesses
high-performance motion which yields fast cycle times and high throughput
by design. The FANUC
Robotics R-1000iA/100F robot, a
compact and highly efficient robot, reaches the fastest speeds in its class.
It is used in several applications such as High Density Spot Welding, Machine
Load/Unload, Material Handling, Packing and Palletizing, Dispensing, Material
Removal, and other General Industry applications. However, even with today’s
industrial robots that are very fast and efficient, what would happen if robots
could learn in such a way that they could move faster and produce even more
product in the same amount of time?
A higher playback speed provides great benefit to manufacturers in terms
of throughput and cycle time. Traditionally, due to a high payload, complex
path, or other process parameters, a robot’s speed might be limited
for a particular application. FANUC
Robotics' Learning Vibration Control (LVC) , developed by FANUC Corporation,
allows FANUC robots to learn and streamline their motion to achieve higher
Robots with the LVC function are called “Gakushu” (or Learning) Robots. The LVC function is used on a
robot after its path has been taught for the application. An accelerometer
is added to the end of arm tooling and the taught path is run several times
so LVC can learn important information about the robot’s motion. After
the learning process is complete, a Gakushu Robot stores the learned data
after which the sensor can be removed. As the Gakushu robot performs its
production operation from that point forward, the learned data is applied
and faster motion is achieved while vibrations are kept to a minimum. With
the LVC function, cycle time for a Gakushu Robot can be improved up to 10–15%
to allow for higher throughput rates in many applications.
In addition, unusually large end-of-arm tooling can sometimes
shake due to a long distance from the robot faceplate to the tool center point.
The Gakushu Robot improves process quality in applications with large end-of-arm
tools by reducing or eliminating these vibrations.
Learning Vibration Control Video Example
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