How to Protect the Screw and Barrel?

What are the ways to protect the screw and barrel? Let's take a look together!

Corrosive, abrasive and high-temperature resistant resins may unknowingly damage the screw and barrel. For example, some engineering materials, thermoplastic elastomers and biopolymer materials sometimes create a corrosive environment. In addition, reinforcing materials (such as glass fibers, glass balls, etc.), certain fillers and additives, are all abrasive.


1. The establishment of preventive maintenance plans for screw and barrel


In order to avoid affecting production efficiency and product quality, these materials must be closely monitored by processors to prevent damage to the equipment. In order to maintain high processing standards, it is necessary to establish preventive maintenance plans.

When necessary, the screw and barrel should be checked and measured, and the screws should be pulled out for reinstallation or replacement, because minimal wear will also affect product quality.


2. The choice of materials for screw and barrel


To protect equipment from corrosive and abrasive resins, it is better to choose suitable materials to make the screw and barrel.


In order to cope with corrosive, abrasive and high-temperature resistant melts, it is necessary to manufacture wear-resistant screw and barrel, the cost of which is about 3 to 4 times higher than that of standard polyolefin screws. This is because wear-resistant alloys are more expensive and difficult to process, but they can provide a longer service life, and the maintenance interval can be longer.

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