Pull Test | VIVIFY Blog

A common issue with cables is damaging the connecting header while pulling during removal or accidentally tripping over the cable. At VIVIFY, we focus on manufacturing quality cables that can withstand these types of accidents and will have to pass an in-house designed pull test before mass production.

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The pull force on cables measured in Newtons (N) is equivalent to 0.102kg at the speed of 1 meter per second (kgf). For reference, the maximum pull strength of a person on a cable varies between 60N to 70N and never exceeds 100N. To account for unforeseen scenarios, VIVIFY sets its pull test at 196N, or roughly 20kgf.

Our testing methods include two tests, a straight pulling test and a side pulling test. First the cable&#;s header is fixed at the top end of the test machine. A 196N weight is then attached to the other end of the cable for 3 minutes. Each test is performed 5 times. The cable is then inspected for physical damages and signal quality. If any samples fail the physical inspection or signal quality test, the product design and manufacturing process will be reviewed and necessary changes will be applied. 

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All would agree safety is a top priority around any build, which is why it is imperative to regularly check your fastenings. There are too many things that can affect the strength and durability of anchors, scaffold ties, threaded studs and other load bearing fasteners. When these fastenings cannot be checked visually, it becomes even more important to have the correct tools to check the safety of these fasteners.

For anchor bolts, eyebolts, scaffolding and threaded rod embedment, the best way to test the fasteners strength and durability is by performing a pull test. And the best way to perform a pull test is with a pull tester.

What Is a Pull Test(er)?

For those that do not know, pull tests are tests run to challenge the strength and durability by providing pullout resistance results of a fastener. This is done by attaching a pull tester to a fastener, typically a screw, bolt or threaded rod to designate stress load level.

By testing the maximum stress level of the fastening, one can determine how strong and secure the entire job is. This in turn allows for a diagnosis of the potential strength and durability of your building, scaffolding or fastening alike.

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Why Should I Pull Test?

Safety. It&#;s that simple.

Conducting a pull test helps to minimize the chance of your build&#;s construction malfunctioning, by checking each fasteners strength and durability. It goes without being said that if a series of bolts are unchecked and in turn fail, potentially the entire structure could be destroyed.

You may be saying to yourself, &#;the bolts are fine, they are designed to withstand great stress.&#; That is correct, bolts, screws and threaded rods are designed to provide excellent pullout resistance, but damage caused by varying temperatures could cause them to become weak or loose.

Besides ensuring safety and durability on your jobsite, pull tests are simple to conduct and take little to no time to get your results.

Take Matters into Your Own Hands

There are generally two ways to have a pull test done on your site: hire a third party to come in to do it or do it yourself. Most jobsites will have more than one anchor to be tested, meaning when you hire an outside company to perform a pull test you most likely need to pay for a bunch of tests. This adds up fast. 

Pull testing can be performed by just about anyone. There are no certifications required to perform the test, the only thing needed is the knowledge of what you are testing for. In short you are paying for the tool instead of the service, but the tool is not yours to keep.

Don&#;t waste your budget, invest in your company by saying no more to outside certifications and get your own pull tester from Allfasteners. Allfasteners only carries the very best in pull testing products from Hydrawjaws®. For decades, Hydrajaws® has developed portable tension testers to check for the crucial holding force of anchors and other fixtures in construction materials. Now, these reliable tension testers are available at the place for all things fastening, Allfasteners.

For More Information, Contact Allfasteners

For more information regarding pull testing and pull testers, contact one of our representatives today by calling 888.859. or via .

If you are looking for more details, kindly visit Bolt Pull Test.