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Powered Thread Gaging: At Your Fingertips

The New Vista Handheld RT Thread Unit being held by our very own Jim Audette.

The trend to replace hand gaging with powered thread verification is a prime example of technology making manufacturing safer & more efficient. Gaging threaded features has traditionally been done by hand, however, this is often tedious and allows room for operator error or injury. That’s where the New Vista Handheld RT Thread Unit comes in. The RT Thread Unit allows an operator to quickly power a thread gage into (or onto) and back out of (or off of) a thread to ensure assemblability. Not only will you find that your inspection time is greatly reduced, but the risk of repetitive motion injuries is all but eliminated when using the RT. The RT Thread Unit Kit contains everything that you will need to start verifying your threads with your standard taper shank gages.

The RT Thread Unit Kit includes:

  • One RT Thread Unit equipped with a Type FP Chuck
  • Three tool adapters for taper shank gages (handle size 0, 1, and 2)
  • One torque adjustment tool
  • Two 14.4v rechargeable lithium-ion batteries
  • One battery charger

To order your Handheld RT Kit today, click here.

Thread Quality Control Series: Pipe Threads

Pipe threads are manufactured in many forms, but the most common types are straight and tapered threads. Straight pipe threads are gaged with the “GO” & “NO GO” process like regular threads, but tapered pipe threads require an entirely different gaging method: A series of one to three “L” checks. In this video, we’ll cover how to gage the three types of American tapered pipe threads: NPT which stands for National Pipe Taper, and NPTF which stands for National Pipe Taper Fuel and comes in Class 1, and Class 2 classifications.

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Contact vs Non-Contact Thread Gaging

           What is the best way to guarantee that a glove fits? You could measure every feature of the glove, but you will only be confident in the fit when you try it on.

Graphic illustrating contact vs non-contact thread verification. Featuring a camera system and a New Vista RTU Thread Unit.

           The same considerations must be made when choosing between contact and non-contact thread verification methods. In the example above, contact gaging is simply putting your hand into the glove, whereas non-contact inspection involves using a camera system to measure threaded features. While New Vista offers solutions for both methods, manufacturers tend to prefer contact verification.

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Thread Quality Control Series: Powered Gaging of Tapered Pipe Threads

               Pipe threads are manufactured in many forms, but the most common types are straight and tapered threads. Straight pipe threads are gaged with the “GO” & “NO GO” process like regular threads, but tapered pipe threads require an entirely different gaging method: A series of L checks.

                The 3 main types of L checks are the L-1, L-2 (for external threads) or L-3 (for internal threads) & the 6-Step Check. To learn about these checks in detail, visit our post detailing the Hand Gaging of NPT Threads: Hand Gaging of NPT Threads. In this video, we will be focusing on the L-1 check, as it is the most common check used in powered pipe thread verification.

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Hand Gaging of NPT (American Pipe) Threads

Illustration to show what gages are necessary to verify NPT threads.

            There are two kinds of American pipe thread, NPT and NPTF.  Both of these are tapered threads, but when screwed together tightly, the NPT, and NPTF Class 1, leaves voids at the root and crest of the threads, which, to prevent spiral leakage, need to be filled with a sealing compound at assembly.  The NPTF Class 2 (Dryseal) presumably leaves no voids, and consequently requires no sealer. NPTF threads come in two classes: Class 1 & Class 2.

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Thread Quality Control Series: GO & NO GO Checks

Stop Spinning Gages

“I just want to avoid spinning gages all day.”

We hear this sentiment from manufacturing professionals all over the world.  We were discussing this recently with a manufacturer in Wisconsin who machines large quantities of threaded parts.  Their customer requires them to “GO” and “NO GO” verify every part.  They were dealing with this requirement the way many plants do: operators stood by and spun a gage into every thread with their fingers.  Unfortunately, this method was not only burdensome, but it allowed plenty of room for operator error and repetitive motion injury.

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Launch!

Today our RT and CRD Thread-Verification Kits are available for sale on NewVistaCorp.com! Off-the-shelf Kits start at $899 and ship out in 2-3 days. You can read on below to learn more about the Kits or watch our video here:

Each Kit gives you everything you need to start verifying your threads with your own thread gages. The Kit includes:

  • A CRD or RT Handheld Thread Unit
  • New Vista’s patented Torque Limiting Device
  • A Quick-Change Toolholder
  • Tool Adapters for the three most common taper shank gage sizes
  • Battery and charging station

Additional Tool Adapters for reversible and straight shank gages are available for sale on our website. Visit our shop or contact one of our Applications Engineers to discover how to improve your thread checking process today!

Check Threads Now!

You asked. We listened.

For the last 25 years while we have worked with manufacturers to provide fast and reliable thread-verification solutions we got one question a lot:  “Don’t you have something you can send me quickly?  I need to check these threads today!”

Well, now we do.  We’re proud to announce our new line of Handheld Thread-Verification Kits that ship out in 2-3 days.  The Kits will be available for order directly from our website.  Look for our email later this month with more details about the kits and the opening of our web store!  In the meantime, watch this video to see these new Handhelds in action:

Push-Pull Thread Checks with the PPT

A picture of the PPT Bench-mounted Thread Verification/Remediation System.
The new PPT Bench-mounted Thread system.

The PPT Thread Machine is New Vista’s latest and most affordable bench-mounted, manually-operated system to date.  It can be used for thread gaging or thread remediation (chasing or retapping).  Its small footprint (400mm long, 280mm wide, 267mm high) makes it portable and it requires no programming. These factors allow for shorter deliveries and easy set-up: just plug it in, and it is ready to use. To verify a part, the operator simply pushes the part forward; to reverse, the operator only needs to pull back. If needed, this system can be operated with the kinds of hand gages that you already have, and without any fixturing or part guides at all, but for fast cycles guides can be of considerable benefit.

The PPT is supplied in two configurations: the basic PPT Unit (no depth control), and the PPT with depth control.  Adding the depth control feature allows the PPT to run faster cycles, eliminate the possibility of crossthreading, and display a full-area green flash to indicate a good part.  In either configuration, the PPT is faster and more ergonomic than any handheld unit, which necessarily requires the operator to align small or awkwardly-shaped parts by hand. This system is designed to reduce both awkwardness and cycle time, while simultaneously eliminating operator fatigue.

Watch a PPT verify and remediate several different thread sizes.

The New Vista PPT is suited for a wide range of applications and offers speed and flexibility in an affordable package. Discover how the PPT can be used for your quality application needs by contacting us today.

Robots Make Your Life Easier… Again

We strive to offer you the very best solutions for your thread inspection process, and our Robotic Thread System is no exception.

Tired of checking all your threads by hand?  Out of all New Vista’s automated thread-verification solutions the RTU is the most versatile and effective when multiple thread sizes are involved.  Learn more about the RTU Thread-Verification Solution at our website or contact us today to discuss your application.