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Care About These Things When Buying Rubber Extruder

Posted By na bai     Sep 16    

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  1. Material Range

First off, if you want to test a variety of filament to extrude, you need to make sure that the extruder can handle it. One of the many benefits of extruding your own filament is that you’re able to test different materials to get results you desire. For example, if you’d like to get your hands on PEEK or Bio PE, but the filament is suited only for ABS or PLA, you’ll be disappointed.

Ask the company for various tests of different materials, or visit their site to see what filaments have been extruded from their machines.

It’s not a deal breaker, but it’s better to know beforehand (with proof) what you’ll get out the extruder. Materials change all the time too, so don’t forget to do regular checks on a company’s site (or newsletter) to see if they’re testing any new materials.

  1. Precision (Tolerance)

When it comes to extrusion and 3D printing, precision is everything. Getting a consistent filament diameter is essential, as extruding too thick or too thin a filament could be disastrous for your 3D prints. The prints can fail, your extruder can jam, or your overall print will suffer in terms of quality.

Choosing the right filament extruder means one that can give your filament:

A precise diameter – at 3devo for example, the extruders have a range of 0.5-3.0mm and a tolerance of 50 microns. This tolerance is based on multiple in-house tests with various materials. Be careful when selecting a product that doesn’t have verified results, as many might claim a reasonable tolerance, but only as a result of 100% perfect operation settings.
Consistency and roundness – Next you’ll want an extruder that can give you consistent filament that’s also as round as possible. Any amount of deviation in the diameter can lead to poor prints.
We like to ask/email the company for a complete breakdown for how precise their extruder is under various conditions and materials.

Knowing about what materials can be extruded as well as how precise the filament will both lead to a well-performing machine. Again, the more details the company provides, the more trust I’ll have with that company.

  1. Mixing
    We mentioned that the ability to extrude different materials is essential, but another significant factor is the possibility to blend multiple materials. As you might enjoy the flexibility of one filament but want some additional strength from another additive.

Check to see what mixing options are available when choosing your filament extruder.

Does the device have a mixing zone? What is the mixing screw like? Many companies have a suitable screw, but it might not be the most durable. An example of a good screw would be one that is nitride- hardened as it ensures industrial grade filament. Also, an external mixing zone on an extruder screw allows you to blend different additives, plastics, fibers or powders to create custom filaments.

If you are interested in rubber extruder, welcome to contact us!

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