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Robot-based automation enables energy-efficient plastics industry

ABB Automation says robot-based automation is enabling energy efficiency in the plastics industry.



Concern for the environment is now a mainstream issue in both industry and government. Lessening the impact on the environment often results in cost savings, especially when energy is saved.

According to ABB Automation, robots are helping to increase energy efficiency in the plastics industry by making processes more precise and efficient. Operators can reduce unproductive high-energy phases by optimising processes and reduce setup, heating and start-up phases. This can be enhanced with automation solutions.



Increasingly, ABB Automation says the plastics industry is shifting from hydraulic-powered injection moulding machines to electric machines and drives. These new machines provide between 30 to 70% savings on energy.

Additionally, robot cells are being used to reduce waste. International Auto Components installed an automated cell in its factory in Sweden, reducing its defective parts rate from 150 parts per million to 50 parts per million. This reduced the scrap and material waste.



Another company, Singapore-based First Engineering, introduced a six-axis ABB robot to produce ultra-precision moulds and plastic parts for use in high-tech products. This move increased its output by 75%, from 170,000 to 300,000 parts per month.

ABB says its RobotStudio software tool can be used to simulate the actions of a robot before it goes live, allowing lean manufacturers to optimise operations without producing trial and error waste.

Another ABB technology is Machine Sync. This energy- and time-saving system increases the output of robot production by overlapping the workflow of the robot and machine. By synchronising the robots with the operations of the machine, Machine Sync reduces root wear and helps avoid collisions.



According to ABB, energy efficiency can also involve the use of lighter materials like magnesium, plastic composite and glass fibre to make parts. Such materials demand a controlled means of moving the parts between several different processes, a task only achievable with precision six-axis robots.

ABB Automation says most industrial process, be it painting, extruding, injection moulding, blow moulding or cutting, can benefit from improved energy efficiency through the use of automation.


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