Why can adding special coatings inside the melt pump extend its lifespan?

We will add a special coating on the interior of high-end polymer melt pumps to increase lifespan and reduce wear. Why can this coating extend lifespan? This article will elaborate on this.

melt pump for extrusion

Let's take the precision equipment of automotive engines in daily life as an example to analyze. In Mercedes Benz and high-end car engines, a layer of coating is applied to the inner wall of the engine to protect the friction surface of the piston during movement, preventing it from being directly rubbed onto the inner wall material. Although engine oil is generally used as lubrication inside the engine, after prolonged use, carbon deposits or sludge like impurities in the engine oil will accumulate, At this point, further movement of the piston may cause impurities to damage the inner wall, resulting in cylinder pulling and damage. After adding a special layer of coating, the coating has a layer of film between the surface and the inner wall to protect it. In fact, the coating has the characteristics of increasing smoothness and preventing surface adhesion, which prevents impurities from adhering to the inner wall, thus providing true protection and extending lifespan.

polymer melt pump

When producing high-end extrusion melt pumps, we also use coating surface technology to prevent the retention of viscous materials, reduce the presence of dead corners, greatly reduce material residue, and reduce downtime and cleaning steps when replacing materials. The fluidity of the inner wall will also be increased as a result, reducing the corrosion caused by high density due to long material residence time. The superior fluidity will greatly reduce the generation of waste rate, increase the yield, and improve overall efficiency. This can fundamentally reduce downtime, and maintain stable usage output without affecting the lifespan, just like the engine of a taxi that is kept hot for use, but also prolongs the service life of the engine. From this, it can be seen that adding a coating inside the melt pump can extend its lifespan.

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