Tech Talk Blog

Ask the Expert: Why is Bearing Testing Important? Part 2 - Tools and Methods [Video]

Posted by Dave Biering

November 15, 2016

Why is plastic bearing testing important?

Last week we answered the question about why bearing testing is important. Now we’ll get into some of the testing tools and methods we commonly use, and share a video from the lab. Ultimately, testing helps us to ensure that both our materials and those of our customers are to spec.

Material and bearing testing can help you obtain an accurate profile so that you can predict performance on a range of materials. Some of our common methods and reasons for bearing testing include:

1) X-ray Photoelectron Spectroscopy (XPS)

XPS is the most-widely used testing technique since it can easily be applied to a broad range of materials. It involves testing a small sample and measuring via an electron energy analyzer to measure the depth and chemical information of material.

2) Fourier Transform-Infrared Spectroscopy (FTIR)

This testing method involves the use of infrared light to assess plastic materials. It helps you review the infrared spectrum (whether absorbed or transmitted) to determine the compatibility of a material for a certain application. It’s also commonly used as a means of product identification. As you’ll see in the video below, TriStar’s FTIR stores over 19,000 material formulas to help us identify materials and to bring formulas to a close spectrum.

3) Goniometry

This is a device that we use to measure the surface tension of materials. We often use it both before and after a surface modification procedure so that we can ensure that we are meeting a customer’s requirements for surface properties (such as rendering materials with hydrophobic or hydrophilic properties).

4) Physical Property Testing

Test compression, flex, elongation and tensile properties. Can be set up to do any speed and tension to generate reports. We use it to quantify and qualify materials, and generate reports.

5) Haze guard

This tool is critical in helping to evaluate optical coatings. It helps us look at materials for standard qualities such as clarity and light transmission.

6) Mechanical Testers

This machine is the workhorse of our lab and helps to qualify and quantify film and adhesive development and pull strength with different substrates.

Beyond material and bearing testing, the TriStar lab is also a key part of our product development by helping us to assess different formula standards. Take a tour below, or connect with us for a quote!

Bearing Selection: Get the Ultimate Plastic Bearing Design

Topics: bearing testing

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