CO₂ Blasting

Reliabotics Surface Technologies Group has expertise in all forms of CO₂ robot-based blasting automation. This includes our patented micro-particle CO₂ sprays all the way to dry ice blasting. So, what's the difference between the two? Mainly, it's about the size of the particle (crystal) or pellet. Our CO₂ composite spray systems CM-1 and CM-2 particles range from just a few microns up to several hundred microns. These micro-sized particles or dry ice crystals are light, fluffy, and soft, and because of their mass, they are better suited to cleaning more delicate surfaces. When you need a more aggressive blasting solution, the answer is frozen dry ice.

DRY ICE SOLUTIONS

Using frozen dry ice is a process known as dry ice blasting. Until recently, dry ice blasting was relegated to a manual process. Today, you might be surprised to see robots doing this work. If you need a robotic dry ice blasting process, we can help. Our pre-engineered solutions will save you money and time! Read more...

Dry ice can be purchased in block or pellet form. In some systems, frozen dry ice can be shaved into particles, although dry ice pellet blasting is the most popular out of these. Dry ice blasting is much different from CO₂ composite spray in that the compressed pellet is about 6mm in diameter. There are also smaller (rice-sized) particles 3mm in diameter for softer work, but these are less used.

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The larger the particle, the more weight, the harder-hitting, and the more kinetic work gets done. This is helpful when removing stuck-on, hardened materials. Secondly, due to the size/thermal mass of this larger frozen blast media, it can hold cold temperatures longer. Sometimes this is desirable; the freezing temperature of dry ice is helpful to the process of removing surface contamination which can be frozen. Materials, once frozen, become hard and fractious, meaning that they become brittle and can be broken off of a surface more easily. Also, the thermal strains and the dynamic properties of the cooling power of the pellet can amplify the differences in the coefficient of thermal expansion where one material freezes, contracting and thereby breaking away its bond by temperature differences and the thermal shock. Read more...

Many times, these processes are being done by hand, but since the work can be dull, dirty, or injurious to a worker, they are a prime application for robot automation. Reliabotics understands all of these applications and the dynamics of cleaning and blasting and can recommend, build, and integrate a robotic dry ice blasting solution for better efficiency and cost over manual blasting.

When we design a cell for you, we consider everything. The enclosure type for safety and noise abatement, the type of blast nozzle, the robot, and the space required, and any material handling needs, conveyor, belt, chain, carousels, or turntables. Last but not least, specifying the proper extraction systems for waste removal or air cleaning. Our engineering team will work with you from the beginning of the project to the end to meet your specifications and ensure that your needs are met with the highest payback possible.

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If you are investigating CO₂ or dry ice blasting, we invite you to take advantage of our expertise in materials, chemistry, and surface science. We can help you find the right process for all of your blasting needs. For more information, contact us today!

CO2 Blasting

DRY ICE SOLUTIONS

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CO₂ Blasting

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