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The Importance of a Bimetallic Extruder Screw & Barrel

As a plastic pipe manufacturer, saving costs during production is of the utmost importance. Yet, at the end of the day your products are only as good as the machines that produce them. So, investing in machinery comprised of high quality components should be a no-brainer.

Many plastic pipe manufacturers are often curious why it is important to have an extruder machine with a bimetallic screw and barrel. The answer is simple; Bimetallic screws and barrels have hard protective coatings (typically 1-2 mm in thickness) on the working surface enabling manufacturers to extrude pipe with materials that can be hard to work with, while providing a durable and reliable production experience.

Why You Need A Tough Extruder

Extruder machines can be damaged by producing plastic pipe from recycled or off-spec plastics. It is best to choose a new extruder with a bimetallic screw and barrel, which will allow you to use a range of cost cutting materials like recycled or off spec plastic without jeopardizing the health of your extruder.

An extruder with a bimetallic screw and barrel provides optimal performance, strength, fatigue resistance, and enhanced process control. There are several factors that will put extra strain on an extruder machine throughout its lifetime. Here are some of the most significant.

Recycled Or Off-Spec Raw Materials

Using recycled materials to produce drip irrigation or plain plastic pipes can reduce waste while reducing cost.

Reground plastics may contain impurities, particulates, and plastic additives that may result in additional wear or unpredictable behavior during the extrusion process. Further, recycled material can be rough, unclean, and harsh on the extruder, whereas a bimetallic screw and barrel provide smooth production even after prolonged usage with recycled or off-spec materials.

Plastivo Extrusions Multi-layer Cross-head

Plastivo Extrusion provides the 3 Layer Cross-Head for pipe manufacturers to reduce their cost of raw material by replacing 80% of virgin raw material with recycled plastic. There are three layers of plastic in the cross head, with the middle layer consisting of recycled plastic, the inner and outer layers consisting of virgin plastic. It is possible for these highly cost-effective pipes to transport drinking water since the recycled core of the pipe cannot come into contact with the freshwater.

The 3 layer cross head allows manufacturers to add up to four colored stripes. The use of a 3 layer cross head can seriously help manufacturers looking to save money without sacrificing the quality of their pipes.

Manufacturing With PVC

The third-most widely produced synthetic plastic polymer in the world, PVC, poses another issue for extruders without bimetallic components. The friction caused by raw PVC material causes additional strain on an extruder, which is why extruder machines with twin screws are required. In addition, even with two screws, rough materials such as PVC or recycled plastic can be damaging to the extruder’s health.

For PVC pipe production, using an extruder machine with a bimetallic twin screw and barrel can minimize premature wear, reduce maintenance requirements, and improve energy efficiency.

The Advantages of a High-Quality Extruder

Investing in a durable extruder offers both economic and quality benefits. Firstly, an extruder of this type will require less periodic maintenance, resulting in fewer production downtimes and lower maintenance spare part costs. Additionally, tough extruders can easily handle recycled or off-spec materials, saving raw materials costs. It determines the quality of the end product. usually requires little maintenance if it is operated properly, which reduces production downtime, parts replacement, energy consumption and allows you to use recycled or off-spec materials without harming your finished products or extruder.

Plastivo Extrusions Single & Twin Screw Pipe Extruder Components

Screw & Barrel: Reiloy (Bimetallic)

Motor & Drive: ABB / Siemens

Gearbox: Zambello

HMI/PLC: B&R / Omron / Siemens

Electronics: Schneider Electric / Siemens / Wago

Plastivo Extrusions Bimetallic Extruders

Plastiivo Extrusions offers a wide range of screw and barrel extruders, using parts from leading manufacturers such as ABB, Siemens, and Schneider. The tough extruders have top notch water closed circuit barrel cooling systems, as well as ceramic barrel heating elements.

In addition to low energy consumption, each part of our extruder machines is designed and manufactured to provide optimal operating conditions and long service lives. If you are in need of an extruder that will last, call us today and find out more about how Plastivo Extrusions can supply you with the best extruder for your business.