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Types of Deburring Processes Used for Plastic

Posted by Bill Wright on

Types of Deburring Processes Used for Plastic

When using a plastic item, you have likely noticed an unwanted burr sticking out that you had to remove yourself. In most cases, these burrs are easy to remove, but sometimes removal is quite difficult. Leaving the burr on can affect the piece's usage, rendering it obsolete. That is why removing burrs, raised edges, or any leftover bits from your plastic pieces is so important. But how should you go about this? Here are the types of deburring processes used for plastic.


Manual deburring is the removal of rough edges by hand. Most large warehouses that create a lot of pieces will not utilize manual deburring, as it is time-consuming and quite labor-intensive. Moreover, manual deburring of plastic leaves more room for human error, so it is not as accurate as other processes. Accuracy is crucial in manufacturing, as all pieces need to look identical. However, some people appreciate manual deburring because it provides opportunities to inspect the piece as you work on it.


Unfortunately, many large warehouses cannot rely on manual deburring due to the associated labor requirements and the large number of products that come through their warehouse. As such, they need a deburring process that can handle a large number of pieces, which is why they use vibratory finishing machines. At AccuBrass, we sell a wide variety of vibratory polishing machines to easily remove the burrs from your plastic pieces. No matter how many products you have or how many edges you must remove, you can rely on our machines to do the job efficiently.


Cryogenic deflashing is a deburring process that uses liquid nitrogen to lower the environment to frigid temperatures. These temperatures make the burrs extremely brittle to the point that they can break off very easily. Much like other forms of deburring, cryogenic deflashing keeps the structure of the piece intact while removing unwanted flashes, edges, or burrs. Moreover, this deburring form works best with plastic pieces like rubber, silicone, and some light metals.

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