Nel Pretech Corporation

Nel Pretech Corporation Nel PreTech is a fast, reliable industrial 3D & CT scanning lab accredited to ISO/IEC 17025 by A2LA.

Nel PreTech is a fully A2LA-accredited dimensional inspection services company with a state-of-the-art 1,000-square-foot laboratory where we perform almost any dimensional inspection service. Founded in 1993, we’ve already completed more than 20,000 dimensional projects for clients, ranging from non-contact dimensional inspection services to first article inspections. Our wide range of services in

clude dimensional inspections, reverse engineering, large part inspections, digitizing/reverse engineering, 3D scanning, industrial CT scanning, and CMM inspection services. Because we have one of the highest quality dimensional inspection laboratories in the industry as well as exceptional customer service, we’re here to put our dimensional inspection services to work for clients of all kinds.

A watch looks pretty simple from the outside.Inside? Not so much.This Wild Wednesday CT scan gives us a look at the inte...
09/02/2026

A watch looks pretty simple from the outside.

Inside? Not so much.

This Wild Wednesday CT scan gives us a look at the internal structure of a Timex watch—but the real story isn't the watch.

It's what industrial CT allows engineers to do with the data.

Once a CT scan is reconstructed, we can analyze internal and external geometry, measure features, compare the part to CAD, evaluate wall thickness, investigate defects, and examine how components fit together—all without cutting the part open.

At Nel PreTech, we use advanced analysis tools to turn CT data into useful engineering information.

The same technology we used to look inside this watch can help engineers investigate medical devices, batteries, electronics, aerospace components, castings, and much more.

Sometimes seeing what's inside is only the first step.

What would you want to see if you could virtually cut your part open?

Read More: https://www.nelpretech.com/blog/industrial-ct-data-analysis-engineering-inspection

❓️ How do you know you're looking at a real feature in a part versus an artifact introduced during imaging ❓️ This is a ...
08/27/2026

❓️ How do you know you're looking at a real feature in a part versus an artifact introduced during imaging ❓️

This is a good example of why getting a CT scan isn't simply a matter of putting a part in the machine and pressing scan.

The X-ray beam interacts with the material as it passes through the part. Depending on the material, thickness, density, and scan parameters, those interactions can introduce artifacts that affect what we're actually seeing in the data.

So, what do you see first in this CT image? 👇️

08/25/2026

33 years. ❤️

A lot has changed along the way, but one thing hasn't: the people.

Over the years, we've had some incredible people walk through our doors, learn, grow, solve some seriously challenging problems, and become part of the Nel PreTech family.

Today, we're lucky to have a team that cares about the work, cares about our customers, and occasionally has a little fun along the way. 😉

This video is a small glimpse at the people behind the scans, measurements, reports, and answers our customers have come to trust.

Here's to 33 years, and to the people who make Nel PreTech, Nel PreTech.

You can't put a caliper inside a conformal cooling channel.But you can put the part in a CT scanner.Additive manufacturi...
08/21/2026

You can't put a caliper inside a conformal cooling channel.

But you can put the part in a CT scanner.

Additive manufacturing makes it possible to build incredibly complex internal cooling channels—but verifying what was actually produced can be a different challenge.

Our latest article looks at how industrial CT can measure internal cooling channels in AM parts, including:

✓ Channel size and geometry
✓ Channel location and alignment
✓ Wall thickness
✓ CAD-to-part deviation
✓ Internal defects and obstructions
✓ Residual powder and other internal conditions

We also explain why scan quality matters just as much as scanner capability when you're using CT for dimensional inspection.

For AM engineers, CT isn't just about seeing inside the part. It's about getting reliable data you can use to make better engineering and manufacturing decisions.

Read the full article:
https://www.nelpretech.com/blog/how-to-measure-internal-cooling-channels-additive-manufacturing

How do you inspect a feature you can't physically reach?That's one of the biggest challenges when completing an AS9102 F...
08/11/2026

How do you inspect a feature you can't physically reach?

That's one of the biggest challenges when completing an AS9102 First Article Inspection on complex aerospace components.

Modern parts can contain internal cooling channels, lattice structures, enclosed passages, bonded interfaces, hidden wall thickness variations, and other features that conventional inspection equipment may not be able to access.

1. You could section the part to see what's inside, but then you no longer have the intact part you're trying to qualify.

2. You could use Industrial CT scanning services as a non-destructive way to look inside.

With CT, engineers can evaluate internal and external geometry, wall thickness, porosity, voids, internal passages, assembly alignment, and other hidden conditions from a single 3D dataset.

Our latest article takes a closer look at how CT scanning can complement CMM and other inspection methods during an AS9102 First Article Inspection.

Read the full article:
https://www.nelpretech.com/blog/as9102-first-article-inspection-industrial-ct-scanning

Not every medical device inspection project is about finding a problem.Sometimes the goal is building confidence before ...
08/06/2026

Not every medical device inspection project is about finding a problem.

Sometimes the goal is building confidence before validation.

In this recent case study, Nel PreTech performed a complete CT-based dimensional layout of a Luer assembly for a medical device manufacturer. By inspecting the individual components and the assembled device, we documented ISO 80369-7 dimensions, customer blueprint requirements, thread profiles, hidden internal features, and assembly measurements—all in one comprehensive engineering report.

If you're developing Luer connectors or other complex medical device assemblies, see how industrial CT scanning can provide the complete dimensional insight traditional methods often can't.

Read the case study:
https://www.nelpretech.com/blog/case-studies-iso-80369-7-dimensional-inspection-luer-assembly

Have questions about your inspection requirements? Our engineers are happy to help.

A molded plastic part is out of tolerance.The first instinct? Modify the tooling.But what if the part is changing shape ...
07/30/2026

A molded plastic part is out of tolerance.

The first instinct? Modify the tooling.

But what if the part is changing shape after it leaves the mold?

This engineering case study shows how industrial CT scanning helped identify internal warpage, measure dimensional changes, and support tooling adjustments that reduced guesswork during mold tuning.

If you're involved in plastics manufacturing, injection molding, or quality inspection, it's an interesting behind-the-scenes look at how engineering data solves complex manufacturing problems.

Read more:
https://www.nelpretech.com/blog/correcting-warpage-in-molded-parts

07/29/2026

🦟 Wild Wednesday is here, and so is tick season... so we took a closer look at something many of us rely on outdoors.

Ever wondered what's inside a bug spray can?

Our industrial CT scanner reveals every internal component without taking it apart—from the spring-loaded valve and dip tube to the seals and multiple materials working together.

It's fascinating to see just how much engineering goes into an everyday product that most of us never think twice about.

Which view do you find the most interesting: the side slices, top-down view, or rotating cross-sections?

What you're looking at isn't a microscope image—it's a precision CT measurement inside a lithium-ion battery.These measu...
07/28/2026

What you're looking at isn't a microscope image—it's a precision CT measurement inside a lithium-ion battery.

These measurements show anode overhang, an important internal feature that battery engineers monitor during development and manufacturing.

Using industrial CT scanning, we can inspect and measure internal battery geometry without cutting the cell open.

That means engineers can:
✔ Verify internal dimensions
✔ Check manufacturing consistency
✔ Investigate failures
✔ Preserve the sample for additional analysis

Sometimes the most important dimensions are the ones you can't see from the outside.

When every micron matters, seeing the complete internal structure gives engineers data they simply can't obtain from external inspection alone.

What internal battery feature has been the most challenging for your team to inspect or measure?

07/27/2026

Nel PreTech check-in!

We're all here and no damage sustained; the storm has passed, but it was a wild one. The lab provided safe cover from the tornado warning.

To our customers: we've got the backup generator going, and we're getting everything back up and running.

Anyone in the path of this storm, stay safe!

Address

8420 183rd Place
Tinley Park, IL
60487

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm

Telephone

+17084294887

Website

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