Determining Cleanliness – A Look Into Our Test Lab

Test technician performing parts test cleaning in lab

Not all cleanliness requirements are equal. Various parts in different industries require different cleanliness levels to optimize product performance and, in many instances, to meet safety standards. For example, removing chips and oils from automotive parts is different than cleaning and sanitizing filling components for pharmaceutical products. The latter requires a higher level of cleanliness.

Why Test?

There are many different types of cleaning systems to help meet these individual needs. Thus, it is imperative to choose the appropriate machine to suit the particular application and comply with any industry regulations.

How do you know if the machine will perform to your cleanliness requirements, though? The answer is to perform a parts cleaning test on the items in question prior to manufacturing. Before testing, determine what type of part needs cleaning and what contaminants need removal. You also need to know how the end-user will utilize the part.

The goal of testing is to simulate the actual cleaning process to determine its efficacy. The customer is then assured that the machine will perform as needed and deliver the expected cleaning results. With this in mind, the manufacturer designs and builds a machine specifically for the customer’s particular parts and cleaning process. This process saves the customer time and money.

Testing Methods

Just as there are different types of parts and cleaning requirements, different tests determine part cleanliness. Various testing methods include:

  • Gravimetric testing relies on a final determination of weight as a means of quantifying a particulate substance whose components are being measured.
  • Microscopic analysis is observation through a microscope to determine the number, size, and quantity of the particles. Particles photographed through the microscope are measured for reporting.
  • Dyne testing is a standard method of assessing the cleanliness of a material’s surface by using a dyne’s fluid. Dyne testing determines the surface energy and measures the surface tension of a liquid.
  • Blacklight testing uses UVA light to see contaminants such as oils, cutting fluids, bacteria, and mold that are not visible otherwise.
  • Water break testing is a simple method that uses DI water to verify surface part cleanliness. Water beads on a surface that contains oily residues; if the water does not bead then the surface is free of contaminants.

BE’s Parts Cleaning Test Capabilities

Better Engineering has a complete, state-of-the-art Engineering Process Lab and Machine Test Center. Here, we perform parts cleaning tests and we validate your cleaning process. Our test technicians utilize the various test techniques listed to evaluate your parts and develop a cleaning system specific to your application.

Our test center comprises machinery from each of our product lines, featuring turntable washers, conveyor washers, drum washers, tumbling washers, and immersion washers. Testing across these machines enables us to determine what type of system will best meet your cleaning specifications. Testing your parts helps you reach your cleanliness specifications and adhere to industry-specific guidelines.

We feel that seeing is believing, so we invite you to visit our test center in Joppa, MD, for a complimentary test part cleaning. If you cannot make it to Maryland, then send us your parts for testing. We will return them to you along with a detailed report of our process, the results, and the recommended machinery so you can be confident in making your parts cleaning system decision. Better Engineering specializes in building custom systems. Contact Us for additional information or to schedule your FREE parts cleaning test.

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