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Automation & Control

An Evolution in Industrial Robots

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William K.
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Re: What robots do
William K.   5/11/2014 6:07:01 PM
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A robot able to install the enginge-transmission assembly would be a handy additionand allow for a wider mix of vehicles on the line.

But an interesting note is that the most diversified assembly line that I have seen was also the least automated. That was the GM pickup truck line in Mexico City, which produced both versions of the small and large pickup trucks and also a thing called a "P-truck", which we would not see in the US.Depending on the vehicle the workers would use different tools to install the correct parts, which they would install as the truck went past. Substituting human flexibility for complex automation does work in areas with lower labor costs and skilled workers, and that area had both.

Cabe Atwell
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Re: What robots do
Cabe Atwell   5/8/2014 10:36:49 PM
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That's an interesting look at where industrial robots are evolving to, however I would think that the max weight needed to lift would decrease due to composite materials and the increased inclusion of aluminum in automotive plants.

William K.
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What robots do
William K.   1/10/2014 5:20:48 PM
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In the auto plants robot tasks fall mostly into one of three areas: welding, painting, and assembly. Painting is the area that has the loosest position requirements since a small deviation won't have much effect, and if an electrostatic painting system is being used the position requirements get a bit looser yet. Welding robots allow manufacturing processes that could not be done by human operators in many instances, at least not without a whole lot of affort for accomodation. And robots don't mind breathing those fumes all day. The welding process requires much better accuracy, but it still is not so very complex because the parts are already in position, since a car only goes togather one way.

The assembly process is where the demands are the greatest and the additional speeds that a robot can provide are limited by the need to provide accurate alignment between parts that may not be in the same position every time. That is where the improved performance and capability of the ABBrobots will be the largest benefit.

Debera Harward
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Evolution In Robots
Debera Harward   1/8/2014 12:30:15 AM
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Al presher thats really great and i am too excited to hear the evolution in industrial robot .As you have mentioned that these robots are designed to cover a payload from 150 Kg to 300 Kg initially in the past what was the coverage payload of the robots was it too less??

far911
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Silver
Re: Great evolution
far911   1/8/2014 12:15:30 AM
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"It has long been a dream of humanity to
develop a machine that acts as man does."
Prof. Dr. C. W. Burckhardt

1941-Science fiction writer Isaac Asimov first
used the word "robotics", to describe the
technology of robots and predicted the rise of a
powerful robot industry

1954- George Devol designs the first
programmable robot and coins the term
Universal Automation, planting the seed for the
name of his future company - Unimation.

Since then i say the robotic industry has come a long way.

William K.
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Platinum
evolution: Not simple nor easy
William K.   1/7/2014 11:20:56 AM
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The changes in the ABB robots design to reduce both inertia and axis "spring" are important, but certainly not simple to implement, since they are not incremental changes but more toward revolutionary changes, although they are not claimed as such. Given the level of robotic development that we presently have, these changes do require real creative thinking. 

Reducing power requiremnts without reducing performance is particularly challenging since the laws of physics and kinematics are not negotiable. Thus every improvement in a system that is already well designed is a greater effort.

Software that is able to adjust acceleration is a nice way to avoid one of the really tedious steps in robot programming, which was manually setting the velocity for each segnment of a move. That is the part that I recall was the most time intensive part of cycle time reduction, having to be done after the functional portion of the program had been completed. 

naperlou
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Blogger
Great evolution
naperlou   1/6/2014 2:30:03 PM
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Al, what you are describing here is a great evolution of the industrial robot.  I am especially interested in the vision integration.  As you point out, this is often done by third parties.  Integrating vision and providing detailed models of the robot for planners to use in developing robot installations is a big step forward.

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