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By the numbers: 2 million robots by 2017: increasing user-friendliness is helping to put more of them into factories.

THE INTERNATIONAL FEDERATION OF robotics expects new installations of industrial robots to reach 200,000 units in 20U, and grow 12 percent annually between 2015 and 2017. That would boost the world's industrial robot population to more than 2 million in 2017.

In 2013, the latest year for which the organization has complete data, sales of industrial robots rose 12 percent, to 178,132 units worth $9.5 billion.

IFR's data comes from projections of its members, the world's top robot manufacturers. The data include robots, but not peripherals (grippers, welders, cameras, and the like), software, and systems engineering. Those installed costs, typically three to four times the cost of the robot, would bring the total market to $29 billion in 2013.

Automakers still drive the market for industrial robots. In 2013, they purchased 69,400 units, a 4 percent increase from 2012, and accounted for nearly 40 percent of alt industrial robot installations.

BMW highlights some of the changes in the industry. The German automaker started by linking groups of robots to programmable linear controllers. As robot controllers grew more powerful, they replaced some PLC functions. This supported larger, more distributed, more flexible, and safer networks of robots.

Today, BMW's typical installation involves 800 to 1,000 industrial robots handling payloads of 10 to 750 kg. Master production scheduling takes place in the cloud, and the orders are passed down through manufacturing execution systems and 150 PLCs, each one connected to several robots. The resulting system can produce up to six different car derivatives on one line, allowing real-time customization.

Going forward, BMW's Stefan-Markus Baginski, a senior manager involved in robot installations, expects systems for programming and connecting robots and PLCs to become more open and standardized. He also expects more robot-human collaboration.

Until now, robots were limited to white body applications, the automated welding and joining of auto frame and body components, according to Universal Robots CEO Enrico Iversen. This is because working around high-speed robots is dangerous.

Universal is a pioneer in safer industrial robots that stop quickly when they contact a person. This enables them to work near people without hurting them. BMW and other automakers have begun installing these robots on assembly lines, where they can split such jobs as positioning and joining parts.

The same human-friendly robots can also shuttle work pieces in and out of machines, pack products, run tests, and place pepperoni slices on pizza in assembly lines near people.

Electronic and electrical products are the second largest industrial robot market. Orders rose 11 percent, to 36,200 units, in 2013, about 20 percent of all installations. While many electronic devices are made in low-wage nations, those countries are also rapidly installing robots to achieve the high quality needed to compete in international markets.

According to IFR, China added 50,000 new robots in 20U. It expects installations to rise 25 percent per year and reach roughly 100,000 robots annually in 2017. This will double the number of industrial robots now in China to 600,000. At that point, the number of robots in China will exceed those in Japan, Germany, Korea, and North America.

China combines an enormous manufacturing base with very low robot density. The country currently has about 30 robots per 10,000 employees. Japan and Germany have between 10 and 11 times that density. China may be able to absorb many more robots.

There are many factors, in addition to quality, driving the increased use of robots. Robots have already demonstrated their productivity. As a result, many factories choose to add robots as they retool to use new materials (such as composites) and energy-efficient technologies.

Robots are also growing easier to program and more flexible to use, enabling factories to switch between products rapidly. This is increasing the practicality of robots for smaller manufacturers who cannot afford a dedicated staff to program their systems.


                             2011      2012      2013

AUTOMOTIVE                  59,700    63,200    69,400
ELECTRICAL/ELECTRONICS      37,700    32,700    36,200
METAL/MACHINERY             14,100    14,100    16,500
CHEMICALS/RUBBER/PLASTICS   10,500    11,400    12,200
FOOD                         4,650     4,900     6,200


Country                 2012         2013        2014 *       2017 *

AMERICA                207,017      226,071      249,500      313,200
Brazil                   7,576        8,564       10,300       18,300
North America
  Mexico, USA)         197,962      215,817      237,400      291,900
Other America            1,679        1,690        1,800        3,000

ASIA/AUSTRALIA         628,889      689,349      777,100    1,107,600
China                   96,924      132,784      182,300      427,900
India                    7,840        9,677       12,100       23,300
Japan                  310,508      304,001      306,700      287,000
Republic of Korea      138,883      156,110      175,600      227,500
Taiwan                  32,455       37,252       42,600       56,300
Thailand                17,116       20,337       24,400       40,100
Other Asia/
  Australia             25,163       29,188       33,400       45,500

EUROPE                 380,546      392,227      411,500      476,800
Czech Rep.               6,830        8,097        9,800       15,500
France                  33,624       32,301       31,600       30,200
Germany                161,988      167,579      175,200      199,200
Italy                   60,750       59,078       58,400       57,800
Spain                   28,911       28,091       28,700       32,000
United Kingdom          15,046       15,591       17,300       23,800
Other Europe            73,397       81,490       90,500      118,300

AFRICA                   2,858        3,501        4,200        6,600
  COUNTRIES **          16,079       21,070       25,600       41,800
Total                1,235,389    1,332,218    1,467,900     1,946,000

Sources: IFR, national robot associations

* forecast ** reported and estimated sales which could not be
specified by countries
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Title Annotation:TECH BUZZ//TRENDING
Author:Brown, Alan S.
Publication:Mechanical Engineering-CIME
Date:May 1, 2015
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