By adjusting the amount of air in the chamber of the soft robotic actuator, the robot can flex and relax, just like a human muscle.

According to NASA, the prospect of the invention will be examined by NASA scientists. It wrote: 'Experts from a variety of disciplines and fields will come to Langley to provide feedback on Fitzpatrick's and Sullivan's designs and research so far.

The scientists have created a flexible structure using liquid silicon in a moulding process like that of 3D printing. The image shows liquid silicon being poured into the 3D moulds

A statement on NASA's website said: 'By design, the actuator has chambers, or air bladders, that expand and compress based on the amount of air in them.

They are exploring how these can be changed to affect their application as individual components and together as bigger structures.

The arburgXworld customer portal gives you access to a wide range of digital apps and features that make your daily work easier.

Two interns, Chuck Sullivan and Jack Fitzpatrick,working in NASA's Langley's Makerspace Lab, have created a small plastic device that could be the prototype of a future 'collapsible' space robot.

Although it may sound obvious, programming the optimum settings on the machine controller can reduce energy costs, sometimes very significantly. These settings include the mould locking force, dosing time, injection speed, the mould temperatures, and the cylinder and runner temperatures. Here, arburgXworld Control FillAssist can help the user reduce rejected parts and create more stable production conditions (temperature, pressure, injection speed) that together produce the most efficient shot for the application. These settings are crucial – contact ARBURG to find ways to help you select the most energy-efficient settings that don’t affect performance.

For reliable performance, a slimline design, and an unbeatable price, there is only one choice: the new ALLROUNDER 720 E GOLDEN ELECTRIC!

Beyond the machine, peripherals and process settings, planning your production properly, considering energy management, can also save you money. Typically, a commercial energy contract specifies in advance how much energy you need and what you’ll pay for. Exceeding the band can incur a higher kWh rate, so it is important to know your maximum peak load. The user can have an excess or higher capacity supply in place, but this facility will cost more even if it is not used. “It really pays to switch on all your machines in a sequence and having energy management on each machine to spread the electricity load over time,” says ARBURG Ltd. Sales Director Nicolas Stein.

A soft plastic 'robot' that can take on different shapes is being developed in a NASA laboratory to be used one day for exploring the moon and beyond.

For reliable performance, a slimline design and an unbeatable price, there is only one choice: the new ALLROUNDER 720 E GOLDEN ELECTRIC!

ARBURG has extensively tested several different machines with energy optimized technology against a baseline hydraulic machine. Tests compared a 470S (non-servo) hydraulic, 470H hybrid and 470A ALLDRIVE all-electric machine. Comparing the 470S hydraulic, the ALLDRIVE “Comfort” saved 40,200 kWh per year, based on extrapolated reading energy readings. At the cost of 40p p/kWh this equated to £16,800 savings per machine in a year. A 10-machine shop, with identical machines, could therefore save over £160,000 in a year. Such huge savings would normally only apply where an older hydraulic machine is replaced by a new modular electric machine such as an Alldrive/Golden Electric.

Mobility looks at how the component is able to move across the lunar surface, while joining is about how robots would physically attach to form bigger entities and work together.

The created a flexible structure using liquid silicon. They first created a mould which into which the plastic was poured and when this cooled it created a soft 3D structure with air chambers or pockets inside.

A soft plastic 'robot' (pictured) that can take on different shapes is being developed in a NASA laboratory to be used one day for exploring the moon and beyond

Chuck Sullivan (pictured), one of the interns at the lab, said: 'We are looking into a swarm of soft robots that can move around the surface of another planet and then link together and create these temporary structures and do the tasks we need them to.'

It has been designed with internal air pockets that can be inflated and deflated to create different shapes, sizes and strengths out of silicon.

In NASA's Langley's Makerspace Lab, interns Chuck Sullivan (pictured) and Jack Fitzpatrick created a plastic 'robot' that could be the prototype of a 'collapsible' space robot. it has been designed with internal air pockets that can be inflated and deflated to control its movement

Benefit from our expertise and lower the costs for your injection moulding production by optimising your energy requirement.

Firstly, choose the right material, maintain tolerances suitable for plastics, and look to reduce wall thickness and material quantity. Then, energy can be saved by insulating the mould and clamping platens, tubes and even hot runners, if these are used. You can adjust the tube sizes and measure the energy consumption to find the most efficient tube size. Next, cooling in the mould can be modified to use water more effectively. An efficient design and close contours can reduce cooling time, cutting energy in the water pump.

Moulders that want to reduce their energy bills must look at the entire process chain – from product design and machine technology to process control and production planning – to save money. ARBURG applications expert Lukas Krueger showed more than 100 attendees at ARBURG Ltd.’s open house in May, celebrating 100 years of the Hehl company, that adjustments covering eight steps of the entire moulding process can achieve savings of £ thousands per year, depending on the installed machine base and the measures taken.

Their softness and ability to 'degrade' also means they can join together to form bigger structures quickly and temporarily, such as shelters on rough terrains like the moon.

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Chuck Sullivan, one of the interns at the lab, said: 'We are looking into a swarm of soft robots that can move around the surface of another planet and then link together and create these temporary structures and do the tasks we need them to.'

'With this feedback, Sullivan and Fitzpatrick can learn about additional applications and questions for further inquiry as the project continues through the summer.'

Their plasticity means they are more resistance to hard hits and can take on multiple functions, even joining together to form temporary mega structures.

Machine technology is the biggest single factor to reduce energy. Hybrid and all-electric machines are the most energy efficient, closely followed by energy-optimised hydraulic machines. Regular hydraulics, while robust and capable machines, can use twice the electricity of a modern electric machine. Insulate the cylinder heating zones, using full cylinder insulation if possible. When designing cylinder insulation, consider the optimum temperature regulation for your moulding process. ARBURG has run energy usage tests of fully insulated versus non-insulated cylinders and moulds, for different size machines. Energy savings depend on the electricity rate and machine size, varying from £240 to up to £2,280 for an ARBURG 820 S 4000 at 40p / kWh.

The relative energy gain per cycle (or energy saving per part) is higher on slow cycling parts. The energy gain per individual part is lower on fast cycling parts, but many more parts are produced per hour/day so the absolute energy gain over time is higher. For process integration, automating operations can also reduce some energy used. Automation increases the machine’s productivity by having consistent operations on de-moulding or other secondary activities. This leads to reduced cycle times and reduce the overall time required for the machine to be used, cutting energy albeit in small amounts.

Using peripherals, the design and choice of temperature control units can also affect total energy usage. The configuration of the machine for different purposes and volumes will consume energy very differently. It depends on the machine technology; hydraulic, servo-hydraulic or electric. High volume packaging typically requires a lot of energy due to the constant closing/injecting/opening, whereas low volume parts usually need more cooling time during which, with a servo-hydraulic machine, almost no energy is consumed (the pump idles during holding pressure). So, for packaging, an electric versus servo-hydraulic machine will register much higher energy-saving, but this difference is smaller for low volume work.

'By controlling the air bladders to expand and compress, the robots take on different shapes, turgidity and even functionalities.'

Automatic and staggered switch-on: ARBURG’s software calculates the best moment during a start-up process each component is switched on, so everything reaches peak performance at the same time, just before starting production. Switching on all components together creates high peak loads and components can be heated up and ready to go while other areas need several more minutes to reach optimum temperature.  One very common problem for energy loss in plants is compressed air leaks. At 12 bar pressure, a 10mm diameter hole in the system can lose the company £640,000 a year at 40p p/kWh. Leak testing and repairing your air source will reduce energy bills. The message is to check every stage of the entire process chain for sub-optimal set-ups and amend them where possible.

The robots can be controlled by the use of air tubes, which can be inflated and deflated - making them adopt different shapes, sizes and turgidity.

ARBURG has made sustainable manufacturing a pillar of the business in the last five years and has a wide range of machinery and software solutions to reduce carbon emissions, mainly covered under the arburgGREENworld suite of technologies. We also now have ARBURG Action Plan Energy, a programme that provides energy advice, usage measurement, retrofitting efficient parts, training and more.

Want to know how to save hundreds of pounds in energy by simply optimising your machine and processes? There are eight steps to running the most energy-efficient moulding machines as Lukas Krueger, Applications and Industries Manager at ARBURG, explained to guests at ARBURG’s Open House to celebrate 100 years of the Hehl company on 17 May.

Lastly, strengthening looks for a mechanism by which the soft material can be made sturdy, through increasing the pressure inside the plastic through the air bladders.