wire rope break test manufacturer

As a company that focuses on quality, testing is at the heart of everything we do. We are LEEA accredited and have state-of-the art testing equipment to ensure all components are tested to the highest industry standards.

Proof load testing is generally performed with the Working Load Limit (WLL). The assembly is subjected to this load and monitored over time. As standard, we perform proof load testing of two times WLL (up to 30 tons) for two minutes. But we can change this criteria to meet your requirements.

Chant Engineering manufactures a variety of test beds and options. Our standard pull test machines are available in a horizontal or vertical layout. We also offer mobile test beds, break test, pre-stretch and tugger winch testing machines.

Chant Proof Test Machines are rugged and proven to stand up to the test. Test beds are designed to take your products to their maximum limit for both non-destructive and destructive testing. Chant Testing Machines will proof test your products for load, torque and breaking points in your own test environment. Chant fully understands your product testing needs and has a full line of standard test beds. We can also engineer and manufacture any proof test machine you can dream through complete customization.

Did you know that Chant now offers leasing options for its test beds? You can now lease a proof test machine for as low as $2,000/month. We have 2, 3, 4, and 5 year lease options available. Start a new revenue stream for your rigging shop today! Give us a call for a quote and leasing terms. How can you afford not to?

Holloway Houston sets the standard in testing solutions. We perform proof load and break tests of up to 10,000 tons on wire rope, synthetic ropes, slings and assemblies, oilfield equipment and tools, and a variety of specialty products.

Destruction test or Break test is performed to determine the ultimate / residual tensile strength of the rope. KTL Marine Services offer destruction tests on steel and synthetic wire ropes up to 1500 MT.

All the steel rope samples are terminated with sockets at both ends to achieve 100% termination efficiency such that no loss on actual breaking load is effected even due to any minor factors.

Our technicians are trained by various rope manufacturers and the synthetic ropes samples are prepared using manufacturer’s approved splicing method with soft eye or thimble eyes so as to attain the ultimate breaking strength in accordance with manufacturer’s procedure.

In today’s times, wires, ropes and cables are considered very important in the building and construction industry. They are also used for pulling, lifting and holding various things. Although the wires are strong enough to get their work done, they need to go through some safety procedure called wire rope testing.

Wire rope testing is a form of electromagnetic inspection using equipment designed specifically for steel braided wire rope. Steel rope is used in a variety of applications such as amusement parks, mine shafts, suspension bridges and overhead cranes.

The equipment utilizes two strong magnets in a clam shell type set up to clamp around the rope. These magnets create a constant magnetic field in the steel rope. Since the magnetic field is constant, the amount of flux necessary to saturate the rope is a function of the cross-sectional area of the rope.

If the section of the rope that passes through the machine contains defects such as broken wires, corrosion thinning or stretching, the magnetic flux will be affected. These changes are interpreted on an oscilloscope display.

With proper calibration and training the technician can determine the percentage of cross-sectional loss, broken wires, and overall loss of break strength.

Wire rope flaw detection:Wire rope flaw detection is a proven technology that can deliver up to 4m/s and accurate quantitative results. When used correctly, it can determine the life and condition of a wire rope that can withstand corrosion, abrasion, and fatigue.

The technology is designed for inspection of the round, flat and steel-rubber flat wire ropes in a wide range of applications such as mining, cranes and heavy lifting onshore and offshore, cableways, cable bridges, elevators, guy ropes of flare stacks and masts, overhead transmission lines.

How do you inspect wire ropes:Firstly, use the rag-and-tag visual method for inspecting any external damages. Grab the rope lightly and with a rag or cotton cloth, move the rag slowly along the wire. Broken wires will often "porcupine" (stick out) and these broken wires will snag on the rag. If the cloth catches, stop and visually assess the rope. It is also important to visually inspect the wire (without a rag). Some wire breaks will not porcupine.

Measure the diameter of the rope. Compare these diameter measurements with the original diameter of the rope. If the measurements are different, this change indicates external and/or internal damage to the rope.

Visually check for abrasions, corrosion, pitting, and lubrication inside the rope. You can try inserting a marlin spike beneath two strands and rotate it to lift strands and open the rope.

Safety is paramount when it comes to wire rope testing. Hence it is advisable to inspect wire ropes at regular intervals. Here are some of the times when you should inspect your wire ropes:When you are installing a wire rope for the first time.

A wire rope can get damaged due to a variety of reasons. Some of them are listed below:Fatigue from repeated bending even under normal operating conditions.

Corrosion from lack of lubrication and exposure to heat or moisture (e.g., wire rope shows signs of pitting). A fibre core rope will dry out and break at temperatures above 120°C (250°F).

We hope that this article will be helpful for everyone who is interested in NDT.Are you looking for a single platform that has all the information related to Non- destructive Testing? Your search ends here.One Stop NDThas everything related to Non-Destructive Testing in one place.

Horizon Cable Service has a fleet of 7 state-of-the-art computerized test beds calibrated to ASTM E4 Standards (+/- 1% accuracy) for all your mobile pull testing needs throughout the United States. Additionally, all load testing equipment is calibrated on an annual basis by a third party. Proof Tests and Pull Testing are utilized for product verification, break testing, and load testing to ensure compliance. We have the capabilities to test a single piece of equipment or an entire fleet depending on our customers’ requirements. Our highly trained and experienced staff follows all stringent industry procedures to ensure compliance. Horizon Cable Service offers a full range of load testing for products we fabricate and repair as well as those items from other manufacturers. Proof testing is performed at specific percentages above the rated capacity of the item as recommended by the manufacturer or customer specific requests. Our customers have the right to witness any of the proof testing upon request.

Upon completion of the test graph is stored electronically along with a copy that is given to the customer for their records. Horizon Cable takes this a step further by also providing all customers worldwide access to their certificates of pull testing 24/7 via our on line certification center. This complimentary service allows all registered users the ability to view, print, or email certifications at a moment’s notice.

Get a range of wholesale wire rope break load test designed for different testing needs. For those involved in the field of digital electronics and who need to work with digital circuits and systems regularly, consider the wide range of logic analyzers that are available. Quality testing equipment will be able to help verify and debug your digital designs efficiently when required.

If you are looking for items like electric tester pens for personal or home use, pick from the range of voltage detector kits available. For those who do not require an entire kit, look into the individual product listings for the different types of pen voltage testers that are on sale instead.

For owners of electronic tools and equipment supply stores, there is also a large variety of testing equipment that you might want to consider purchasing. Products that are available include vector network analyzers, circuit breaker testers, megohmmeters and even tube testers. Get wire rope break load test from several popular and leading brands here.

If you happen to be in search of an affordable tool for troubleshooting purposes, consider equipment like the amp clamp meter for quick and effective checking. For those looking for more specialized products, like tools to test fiber optic cables, look into the selection of quality optical time-domain reflectometers, also known as the OTDR, which are used to test the integrity of fiber cables.

The lifetime of wire rope is crucial in industry manufacturing, mining, and so on. The damage can be detected by using appropriate nondestructive testing techniques or destructive tests by cutting the part. For broken wires classification problems, this work is aimed at improving the recognition accuracy. Facing the defects at the exterior of the rope, a novel method for recognition of broken wires is firstly developed based on magnetic and infrared information fusion. A denoising method, which is adopted for magnetic signal, is proposed for eliminating baseline signal and wave strand. An image segmentation method is employed for parting the defects of infrared images. Characteristic vectors are extracted from magnetic images and infrared images, then kernel extreme learning machine network is applied to implement recognition of broken wires. Experimental results show that the denoising method and image segmentation are effective and the information fusion can improve the classification accuracy, which can provide useful information for estimating the residual lifetime of wire rope.

Wire ropes play an important role in many fields such as cranes, oil drilling rigs, elevators, and mine hoist. The safety of wire ropes is closely related to people’s life and resources loss as well as the normal operation of industry. Because of the complex structure of wire ropes and the diversity of application environment, it is difficult to evaluate the health of wire ropes in service [1, 2]. Thus, it is necessary to effectively and accurately perform the quantitative nondestructive testing (NDT) of wire rope by adopting proper methods.

At present, the NDT methods of wire rope include electromagnetic [3, 4], X-ray [5], acoustic [6–9], and optical [10] method [1]. X-ray apparatus has radioactive contamination; acoustic method detects wire rope by striking, which is simple but one-sided; CCD camera optical testing method can directly show the real defects through imaging, but it is susceptible to oil pollution; because of high sensitivity, high speed, and low cost, electromagnetic NDT method is widely used [11–14]. However, no single nondestructive testing technique can identify all kinds of defects. Infrared nondestructive testing does not contain dangerous radiation and has characteristic of noncontact; thus, it has widely applied in solving real problems in numerous areas [15].In addition, its popular application areas contain building sector [16, 17], aeronautics and astronautics [18], chemical industry [19], food [20], cultural heritage [21], and so on. Munoz et al. [22, 23] determined heat source dissipation from infrared thermographic measurements based on the heat diffusion equation provided by thermodynamics principles and identified damage evolution in carbon fibre reinforced composites combing acoustic emission and infrared thermography.

Magnetic flux leakage (MFL) detection of wire rope mainly includes the forward calculation model of MFL detection, pretreatment of MFL signal, and inversion of defect [24]. For example, Yan et al. [25] employed a three-dimensional finite element method (FEM) to analyze MFL signals. This method provided theoretical guidance for detection signal analysis and hardware design. Based on the magnetic dipole model, Yang [2] created the leakage magnetic field analysis models of single wire fracture, surface broken wire, and internal broken wire of wire rope, which provided the theoretical basis for the quantitative analysis of wire rope. Zhao and Zhang [11, 12] made FEM on the distribution of magnetic flux leakage of typical broken wire defects in steel cables, and obtained the relationship between MFL and detection distance, damage size, and internal broken wire. In [13, 14], a magnetic dipole model was established to design the prototype, which provided a theoretical basis for the quantification of defects. Through the FEM model of wire rope and the FEM simulation under different broken wires, DU et al. [26] studied the influence of different broken wires on the safety coefficient of wire rope.

Because actual MFL detection signals are polluted by many noise sources, it is necessary to preprocess the signals in order to reconstruct the defects. Zhang et al. [27, 28] utilized wavelet based on compressed sensing to denoise the strand wave, but it restored a lot of noise; then, they combined the Hilbert-Huang Transform (HHT) and Compressed Sensing Wavelet Filtering (CSWF) to reduce various background noises. Zheng and Zhang [29] exploited wavelet soft threshold to inhibit the noise; nevertheless, the denoising effect is poor. Then Zheng and Zhang [30] implemented Variational Mode Decomposition (VMD) and a wavelet transformation to remove noise from the raw MFL signals, which can effectively eliminate noise. Hong et al. [31] proposed an adaptive wavelet threshold denoising method based on a new threshold function, which achieved good denoising effect on the MFL signal of wire rope. To realize the visualization of defects, Zhao [13] utilized an adaptive notch filtering algorithm for suppressing wave noise.

To visualize and quantify defects and realize quantitative detection of broken wires, researchers need to implement defect inversion. In order to perform defect inversion, numerous scholars have used various methods. Through adopting the wavelet super-resolution reconstruction technique, the resolution of defect grayscale was improved in [32]. Zhang and Tan [33] proposed a super-resolution (SR) reconstruction method based on Tikhonov regular multiframe, which can effectively remain image features of defects while the axial resolution was reduced and circumferential resolution was increased. In [28, 32], researchers implemented classification of defects by adopting back propagation (BP) neural networks. However, BP was easy to fall into local minimum, which can lead to problems such as network underfitting and insufficient generalization ability. Wan et al. [34] investigated the theory on optimal wavelet packet with the Least Squares Support Vector Machine (LS-SVM) to diagnose elevator faults, which was then validated by the experiment. Zheng and Zhang and Qin et al. [29, 35] took the Support Vector Machine (SVM) with a radial basis function classified to conduct the fault pattern recognition, whereas this method was not very effective.

The researchers [15, 36] investigated the failures of steel ropes and defect of ferromagnetic specimens by means of thermovision. In [15], since the measurements required extremely sensitive thermovision technology, the method can detect the tight of ropes at certain conditions. In [34], the researchers developed a new active thermography technique, which can detect the defect in ferromagnetic steel specimens. The fusion of infrared and other information is effective and widely used. Kee and Oh et al. [16] combined air-coupled impact-echo and infrared thermography. It can improve effectiveness of the individual test data. Data fusion of ground-penetrating radar and infrared thermography improved the accuracy of detecting defects [37]. The researchers [38] combined finite element analysis with experimental data from infrared thermography, which provided accurate means to assess quantitatively the size and position of thermal imperfections. According to these, it is demonstrated that data fusion is effective. In this paper, fused data based on infrared thermography and magnetic is utilized to detect the number of broken wires.

Electromagnetic NDT for wire rope is susceptible to hardware design and magnetic signal processing. In [13, 14], the location and number of sensors can affect the quality of acquisition signal. Insufficient quantity will lead to the serious loss of MFL signal, while dense placement of sensors can lead to serious signal interference, resulting in difficulty of noise reduction. Meanwhile, the small broken wire defect information may be drowned out by noise. However, thermal infrared is a visualization method, which can intuitively grasp the surface damage state of wire rope and be closer to the actual damage pattern than magnetic data. Meanwhile, it is without the shortcomings of magnetic detection method and it can make up for the loss of small defects in magnetic information. Thus, the combination of the two methods supply more information for the damage and can avoid the loss of defect information.

To improve classification accuracy of broken wires and provide a reference for evaluating the service life of wire rope, the combination of infrared information and magnetic information is put forward for the first time to perform quantitative identification of wire rope. To processing magnetic signal, an algorithm based on Wavelet Total Variation (WATV) is proposed to remove noise from the raw MFL signals. The noise from high-frequency magnetic leakage, baseline drift, and strand waves can be suppressed by the proposed algorithm. To separate defects from infrared images, an image processing method based on distance is presented. After extracting statistical texture, invariant moment characteristics, and color moment, a fusion method based on kernel extreme learning machine (KELM) of decision level fusion is proposed to combine magnetic and infrared information. Experiment results show that the information fusion based on magnetic and infrared can improve the recognition rate of broken wires.

In the next sections, the platform to get data, the processing for magnetic data, steps for extracting infrared information, and recognition for broken wires after information fusion will be introduced in turn. In this paper, major innovations are as follows: (1) the proposed denoising algorithm based on WATV can eliminate noise generated by channel imbalance, the structure of wire ropes, and so on; (2) an infrared image segmentation algorithm based on distance is presented; and (3) information fusion combined magnetic with infrared to perform classification is firstly adopted.

In this part, through processing and fusing magnetic signal and infrared image, the classification for six kinds of broken wires is implemented. In this experiment, the number of broken wires is one, two, three, four, five, and seven. Many wires are wound into a strand, then it is wounded into a wire rope. The damage of the wire rope is related to the geometry and winding mode of the wire rope [1, 2, 13]. As shown in Figure 1, the structure of the wire rope is with a diameter of 28 mm. The length of the wire ropes is 6.5 m. The specimens used are 185, where the number of training samples is 139 and testing number is 46. The number of broken wires is from 1 to 5 and 7 wires, where the number of every samples set of broken wires is 30, 30, 32, 34, 35, and 34. The width of samples contains 2 mm, 5 mm, and 1.5 cm. The depth of defects is 1 mm. The type of defect is shown in Figure 2.

When there is no defect on wire rope and materials of the wire rope are uniform and identical, the magnetic flux through the cross-section of the wire rope should be equal in the axial direction. If there is a defect, the permeability at the defect becomes smaller, the magnetic field only passes through the air field and then returns to the inside of the wire rope; thus, magnetic leakage on surface is formed [12–14]. According to this principle, a magnetic flux leakage detection device is designed. Data collection contains magnetic signal acquisition and thermal infrared image acquisition. The specific devices and collecting procedures are as follows: the magnetic data acquisition device adopted contains Unsaturated Magnetic Excitation (UME) source, an array of 18 Giant Magnetoresistance (GMR) sensors, data acquisition unit, data storage, and control system [33].

As shown in Figure 4, data collection steps are as follows: After loading unsaturated magnetic field on wire rope, the weak MFL signal can be obtained through equal-space sampling. As the acquisition system moves along the axial direction of the wire rope, the photoelectric encoder produces the pulses. Then, the control system collects the defect information from 18 channels according to pulses. And the final magnetic data is stored in the SD card.

Because the rate of infrared radiation from defect location is different from that from nondefect location, the damage of wire rope can be detected. Infrared information acquisition system, as shown in Figure 5(a), includes heating unit and data collection. The heating unit is composed of the metal tube and tight wires. The metal tube is 40 mm in diameter and 20 cm in length. Wire is adopted to heat the metal tube. Infrared thermography is adopted to capture the images of defect information. The angle of camera should be adjusted according to the location of the defects to maintain the distance between the defect and the camera lens constant. The camera we adopted is thermal imager FLUKE TIX 660. The thermal resolution of the infrared camera is -20°C-1200°C. The distance between wire rope and camera is cm. The specific processes are as follows: after the wire is energized, the wire rope temperature rises by heating the metal tube. When the temperature of fault is maintained at about (°C), the defect images are taken by the infrared camera. Single images are acquired through the device shown in Figure 5(a). After installing the thermal infrared camera on the tripod, the defective part is heated, and the images of wire rope surface defect are obtained by panning the tripod. The focus of the image is formed by centering the defect and fixing the distance between the defect and the camera. The captured raw infrared picture is shown in Figure 5(b). (The defect is marked by a box.)

Infrared image acquisition: (a) schematic of infrared data acquisition device; (b) the raw infrared picture of defect; (c) thermal infrared image capture system; (d) testing platform for wire rope.

Using the system mentioned in Figure 4, raw UME signals can be obtained. As shown in Figure 6. Raw UME signals including incoherent baseline caused by channel imbalance, system noise, and strand wave noise produced by structure of wire rope should be filtered out to obtain pure defects information.

To eliminate the effect of uneven excitation on wire ropes and convert all the data with a uniform standard, normalization is necessary. Normalization is the basis of data visualization; hence, equation (18) is adopted to stretch the defects between 0–255.

Because circumferential data is acquired from 18 sensor channels, circumferential resolution is much lower than the axial one. The pixel count in circumferential is 18; however, the pixel count in axial is more than ten thousand. Three spline interpolations is employed to enhance the circumferential resolution, which increases the pixel count from 18 to 300. In addition, the procedure contributes to realize the visualization of defect images. The schematic of data after interpolations is shown in Figure 10. Then, we obtain gray image of leakage magnetic by converting the double data to unit 8. Figure 11 shows the grayscale image of a wire rope’s leakage magnetic field.

The image after texture filtering also exists strand wave, which makes trouble for feature extraction. The distances between strand waves are fixed according to the structure of wire rope, and the defects are located between strand waves. Therefore, an algorithm based on distance is proposed to part the damage. The algorithm can be described as follows:

(1)After binarization of image , locate the maximum and minimum values of the row and column with pixel value of 1 in the image, respectively. Then the image , as shown in Figure 13, is obtained: ( and are the maximum and minimum of line; and are the maximum and minimum of column).(2)For each line of image, find and :(3)Compute the distances for blocks whose pixel value is 1 by(4)For each line of the image , if the distance is between 10 and 70 and the block is larger than 12 (which can avoid the effect of oil pollution), maintain the line or set the line to zero. (The distance of two strands in wire rope is consist and strand wave shown in the image is also consist. Meanwhile, in order to reduce the effect of oil pollution on the segmentation defect, we choose the distance between 10 and 70 and the block larger than 12.)(5)Extract the defects of infrared images by finding the locations from that meet (4).

Image of broken wires (infrared image, magnetic image, and photo of the tested wire part from left to right): (a) one broken wire; (b) two broken wires; (c) three broken wires; (d) four broken wires; (e) five broken wires; (f) seven broken wires.

The defect images from UME and infrared have high dimension, which will reduce the speed of classification. Redundancy between features can also be disastrous for networks. Thus, it is necessary to employ proper features to implement recognition. Tan and Zhang [33] had proven that average contrast, third-order moment, conformance, and entropy were more sensitive than other texture features and odd order invariant moments were more sensitive than other moments. Thus, in this experiment, a part of statistical texture features and odd order invariant moments from the magnetic images and the color moments and areas from the infrared images are selected.

When completing classification via magnetic features only, a part of statistical texture features and odd order invariant moments is adopted. If the magnetic and infrared information are combined to classify the broken wires, we added the color moments and area of infrared images as features.3.3.2. Fusion Based on KELM

Infrared data is closer to the actual damage pattern than magnetic data and provides more color information; however, different sizes of same broken wires may lead to low accuracy. Magnetic data with the same broken wires has similar visual image. Thus, the combination of the two methods can supply more information for the damage and improve the classification accuracy.

Through Table 1, it is demonstrated that as the number of test samples increases, the quality of the results gets better. When selecting model 2 to present the speed of classifiers, the result of fusion speed is as shown in Table 2. In Table 1, the fusion results of RBF and KELM are better than BP and KNN. Meanwhile, fusion speed of KELM shown in Table 2 is the best. Thus, through analyzing the result in Tables 1 and 2, it is obvious that KELM is reliable. The research for the performance of recognition algorithms and classification results will be presented in the next section.

In this part, the classification results are presented using different recognition algorithms. KELM has advantages of high running speed and good generalization, we adopted it to implement the recognition of 6 classes of broken wires. In this section, the defects by magnetic information, infrared data, and combination of the magnetic and infrared information are classified, respectively, which proves that the information fusion is more effective. For KELM, the penalty coefficient C and kernel parameter are adjusted from the set and . The KELM network is trained by a set of 139 randomly selected specimens, and the others are the testing samples.

For UME, the average of two error accuracy of 20 random train/test splits with different parameters are reported in Table 3. Different parameters will lead to different identification accuracy. When and , the recognition accuracy rate is the highest; however, the average training accuracy is only 82.3%. The average training accuracy reaches 96.7% and the recognition accuracy is 91.2% when and . Table 3 presents the average of two error recognition accuracy of 20 randomly generated train/test splits based on the fusion of magnetic and infrared. When the training accuracy is higher than 90%, the highest accuracy is 98.4%.

Figure 17 shows the absolute error distribution of one group testing result when and . The training accuracy of two methods are all higher than 90%. When the magnetic information only exists in the network, the maximum error is 5. When the infrared information only exists in the network, the maximum error is also 5. And the most errors are concentrated in one and two broken wires. However, when the fusion features contain in the network, the maximum error is 2, and the recognition accuracy is higher. It is obvious that there are fewer errors using the fused features than that adopting magnetic features only and infrared only. Therefore, these testing results demonstrate that the fusion of magnetic and infrared not only is feasible but also can improve the recognition accuracy of broken wires.

Several recognition algorithms are applied to the MFL data: BP neural network [28, 29, 32], RBF algorithm [27], and KNN algorithm [30]. The data for recognition is the same as that used in the KELM network. Tables 4–6 show the recognition results for each method when the limiting error is 2 wires.

From Tables 3–6, it is obvious that the fused data yielded much better classification results than magnetic data. In this paper, neural networks are considered reliable when the training accuracy is higher than 90%. (Note that KNN has no training process and the algorithm finds samples in the training set closest to the test sample based on a distance measurement [30, 45].) Therefore, the highest recognition rates are presented in Table 7. Table 7 presents the best results of four classifiers using only magnetic data, infrared data, and fused data. It is obvious that the result for fused data is higher than magnetic and infrared.

The research promotes recognition rate of broken wires and makes contributions to estimating the residual lifetime of wire rope. The two information can overcome the loss of small defects in magnetic signal noise reduction. The system we utilized have good performance facing the defects at the exterior of the rope. However, the thermal infrared acquisition system needs to be perfected to realize the image information acquisition of the whole wire rope. Furthermore, we have not been able to create defects inside of the wire rope. We will simulate the situation when the defect is inside the wire rope through analysis in future work. Meanwhile, efficient noise reduction algorithm is also one of the focuses of future research.

In rigging, we all know that the setup is only as strong as its weakest link. Any failure is a potentially dangerous situation that puts your entire operation in jeopardy. Every component must be relentlessly reliable. Synthetic rope is one such tool that bears heavy responsibility. While incredibly strong and durable, it often immediately supports a load; if it were to fail, the results would be catastrophic.

You will likely never seeused in a rig as they are weaker and less durable than their synthetic counterparts. With this in mind, let’s discuss the advantages of synthetic rope.

Synthetic rope is made from nylon, polyester, or polypropylene fibers. These ropes can be made using one or a combination of these synthetic fibers. Much like a natural rope, these fibers are drawn out into strands and then woven together. The end result is a durable, strong rope that can bear markedly more weight and tension than its natural counterpart.

Because of the materials used, synthetic rope is better able to withstand friction, making it more durable. It should be noted that how much you use the rope and its length of service will directly affect how long it lasts. Sporadic use could see it surviving for up to 10 years, whereas heavy use will require replacement every year or two. Synthetic rope is great for outdoor uses, as it is resistant to rot and mildew that can arise from exposure to moisture.

Synthetic rope is useful for a host of additional purposes. Its resistance to moisture makes it ideal for use in marine applications, but it has various advantages outside of the rigging sphere. It serves as an excellent climbing rope due to its abrasion resistance – it can handle rough edges of the terrain without fail. This is also what makes it perfect for rigging in film and theater. Where creative problems often require creative solutions, crews know they can rely on these ropes to hold the scene together. Synthetic rope can also be used effectively in towing and hauling applications.

has been a leader in wire rope and rigging supplies in the Gulf Coast region since 1966. We provide quality supplies and reliable service to each one of our clients so they can meet the tough demands of the industry with confidence and excellence. We are happy to share our decades of experience to help you find the best solution for whatever undertaking you have in front of you. From synthetic rope and slings to wire rope and chains, we have a comprehensive product offering to completely outfit your rig.today to level up your operation.

The lifting industry is not just about machine strength. Success in this business also requires precision, planning, endurance, poise, and training. In a highly competitive market that faces increasing pressures on a monthly basis, only the fittest lifting operations will continue to thrive in changing economic headwinds.

In addition to the competence and experience of your crew, your equipment is the largest differentiator between your lifting operation and the competition. Investing in material that is built to stand the test of time by aleading supplierwith an illustrious reputation will help ensure your machinery runs smoothly. In short, you need the best andstrongest assetsin order to thrive in the lifting business. Here are some of the most important components that will help you achieve that goal.

Cut to precision lengths in dozens of diameters, customizedwire ropecan help bring your operation to the next level. For more than 50 years, the team at Southwest has been helping the industry’s biggest players outfit their facilities with the best wire rope in the business. Our technicians can work alongside you to help determine the optimal thickness and orientation for your operation.

Not all chains are created equal. Every chain is tested to ensure it lives up to the Southwest legacy. Our team is familiar with every major type of chain configuration and linkage, so we can help you secure heavy loads and maximize your lifting potential while keeping your crew safe.

When it comes to lifting gear, every sling, strap, link, wire rope strand, and piece of hardware is vital to the overall success of the operation. Investing in customized below-the-hook products that are expertly fitted to your unique needs and capacity will help make your facility safer and your equipment more effective.

The professionals atSouthwesthave been serving the needs of the rigging and lifting industries with an unwavering dedication to quality and excellence for years. If you are in the market for industry-leading lifting gear, or need your system inspected by a certified inspector, turn to the pros at Southwest Wire Rope. We look forward to answering your questions and forming a lasting partnership. For more information, browse ourservice offeringand get in touch.

In the rigging and lifting industries, proof tests are regularly performed to ensure that the equipment to be used can withstand the load it was manufactured to handle. These tests are performed for several reasons – specification requirement, manufacturer’s recommendation, and customer request are the most common.

As mentioned, we perform proof tests for a variety of reasons.One such test commonly performed in the business is aproof load test. A heavy-duty undertaking, a proof load test unveils the true strength of a piece of rigging or lifting gear. Here’s everything you need to know about this specific type of test, as well as how to keep your crew safe during one.

A proof load test is just what it sounds like: it proves whether a piece of rigging equipment can bear the load it is designed to. The test is administered in a controlled, measured fashion with a particular multiple of the maximum designed load (generally 1.1 to 1.5 times) and a specified length of time. After the test is completed, the operator will issue a certification confirming the workable load of the wire rope or other rigging component in question.

Whether the rig is overdue for a full inspection, the newly minted wire rope is being put to the test, or older equipment is being evaluated to determine if it is still fit for use, a proof load test is an immensely valuable tool. Every rigging component in the operation should be tested regularly, and a proof load test is one of the most complete and strenuous methods for doing so. Testing also helps keep the rigging equipment and the business as a whole within the boundaries of the OSHA, Department of Labor, and manufacturers’ codes that govern the industry.

The best way to keep your employees safe during a proof load test is to entrust the entire ordeal totrained professionals. Proof load tests are incredibly dangerous if not done with the proper equipment and control measures, as breakage can occur.

AtSouthwest Wire Rope, we provide proof load testing and destructive (break) testing of various lifting devices up to 1.7 million lbs. Proof load testing can be performed using specialized rigging and custom built test jigs that replicate the ultimate field installation of complex and highly engineered products. As you can imagine, this specially designed equipment is operated by industry veterans. By outsourcing the tests to an industry partner like Southwest, you can keep your crew out of harm’s way.

In reality, the advent of performing the test and verifying the strength of the equipment is also keeping your crew safe. Using wire rope or lifting gear until failure is a dangerous proposition and never recommended. Instead, get your equipment certified with a proof load test and gain the peace of mind your professionals deserve.

The professionals atSouthwesthave been serving the needs of the rigging and lifting industries with an unwavering dedication to quality and excellence for years. If you are in the market for leading rigging and lifting gear, need your system tested, or are simply looking for an expert opinion, turn to the pros at Southwest Wire Rope. We look forward to answering your questions and forming a lasting partnership. For more information, browse ourservice offeringand get in touch.

When it comes to lifting gear, one faulty sling, strap, link, wire rope strand, or other piece of hardware can put the entire operation in jeopardy. Investing in equipment that isand is backed by the quality and reputation of awill help ensure your machinery runs smoothly. Codes were developed in the first place to protect your crew from dangerous breakage, equipment wear, and malfunctions, so starting with the best materials is the most effective way to ensure you’re always in line with recent codes.

A destructive or “break” test measures the tensile strength of wire rope by using magnetic and hydraulic arms to pull opposite ends of the rope apart. The test continues until the wire strands begin to fail, and eventually, the wire rope gives out. This is an extremely loud and dangerous endeavor – a break test should never be conducted without the proper equipment and certifications. Work with an industry provider who can conduct a wire rope break test usingin a safe and controlled setting. The results of this test will be printed on a load testing certification, which will help you satisfy regulations.

When it comes to your health, you trust the expert opinions of medical professionals to give you a diagnostic update after performing the relevant tests. In the lifting industry, on-site inspection services serve the same purpose for determining the health and safety of your operations.

The professionals athave been serving the needs of the rigging and lifting industries with an unwavering dedication to quality and excellence for years. If you are in the market for leading rigging and lifting gear, need your system tested, or are simply looking for an expert opinion, turn to the pros at Southwest Wire Rope. We look forward to answering your questions and forming a lasting partnership. For more information, browse ourand get in touch.

We’ve all heard that a chain is only as strong as its weakest link. In the rigging business, one faulty sling, strap, link, or wire rope strand, or piece of rigging hardware can jeopardize your entire operation. Investing in equipment that iscrafted to lastand backed by the quality of aleading supplierwill help ensure your machinery runs smoothly and your crew is protected from breakage or equipment wear.

Instead of relying on theintuitionthat your rigging operation is safe, you can have peace of mind byprovingit. Working with a rigging services provider who can offer Proof Load Testing, Break Testing, andon-site inspectionswill keep your rigging operation certified to the industry standard. To schedule a test today, clickhere.

The professionals at Southwest have been serving the needs of the rigging and lifting industries with an unwavering dedication to quality and excellence for years. If you are in the market for leading rigging equipment, need your rigging system tested, or are simply looking for an expert opinion, turn to the pros at Southwest Wire Rope. We look forward to answering your questions and forming a lasting partnership. For more information, browse ourproductsandservicesorcontact a reptoday.

One of the most reliable ways to increase the strength of a rigging operation is by investing in high-quality wire rope. Formed from a steel core and wrapped with concentric wire strands, wire rope is an extremely versatile asset that can bear hundreds of thousands of pounds of load, yet remain flexible. For more than 50 years,Southwest Wire Ropehas been supplying some of the strongest and most recognizable wire rope products on the market.

To determine the true strength of wire rope, though, we need to put it to the test. Destructive or “break” testing can be dangerous, but is a useful measuring tool to gauge the strength of wire rope. Here’s everything you need to know about break testing.

Put simply, a destructive or break test measures the tensile strength of wire rope by using magnetic and hydraulic arms to pull opposite ends of the rope apart. The test continues until the wire strands begin to fail, and eventually, the wire rope gives out. This results in an extremely loud explosive noise and frayed metal remnants, which can be extremely dangerous. At the conclusion of the test, the true strength of the rope is evident based on the load reading at the point of breakage.

A break test should absolutely never be conducted without the proper equipment, certified staff, and safety protocols. If you are unsure whether you can perform a break test at your rigging site, then the answer is undoubtedly no. Only specialized machinery operated by trained professionals is fit to manage a destructive test, and attempting a DIY test is a recipe for a regulatory violation and a potential safety hazard.

The only way to know the true strength of a piece of wire rope is to perform a break test in a certifiedtesting facility. As wire rope specialists, the team at Southwest is trained in conducting safe, effective tests of all of our products. If you need your wire rope certified, are curious about the capacity of your rigging system, or are interested in stronger products, we can help. In addition to testing, Southwest is a leader in on-site rigging inspections, rental equipment, field spooling, and other services. Get in touch with a rigging professional today to learn how we can helpoutfityour rigging operation for maximum performance.

The professionals at Southwest have been serving the needs of the rigging and lifting industries with an unwavering dedication to quality and excellence for years. If you are in the market for leading rigging equipment, need your rigging system tested, or are simply looking for an expert opinion, turn to the pros at Southwest Wire Rope. We look forward to answering your questions and forming a lasting partnership. For more information, browse ourproductsandservicesorcontact a reptoday.

One of the most commonly used and important pieces of equipment in a rigging operation is the sling. Crafted in unlimited lengths and specifications, slings made from synthetic materials such as nylon and polyester are excellent for bearing weight while remaining flexible and maneuverable. At Southwest Wire Rope,fabricatingcustomized synthetic slings is one of our specialities.

Damage can also pertain to conditions such as acid or alkaline burns, melting, charring, or weld splattering. Any of these traumas can degrade the fibers of the sling and cause a breakage.

When using slings of various thicknesses and lengths, it can be difficult to keep track of their capabilities. Consult a product specialist at Southwest Wire Rope to confirm the approximate capacity of your sling. Because slings come in an endless variety of shapes and sizes, only an industry professional can give proper guidance.

Booking an on-siterigging inspectionis also an excellent way to ensure the safety of your equipment. A Southwest team member can perform a comprehensive gear inspection to make sure every piece of your equipment is functioning properly and up to code. We also have the equipment to perform reliable break testing of various lifting devices, with load test certificates furnished upon completion of every test.

For the last 56 years, the professionals at Southwest have been serving the needs of the rigging and lifting industries with an unwavering dedication to quality and excellence. If you are in the market for synthetic slings, need your equipment tested, or are simply looking for an expert opinion, we can help. We look forward to answering your questions and forming a lasting partnership. For more information, browse ourproductsandservicesorcontact a reptoday.

In 1966, a man named Charlie with experience in the shrimping business noticed a strong demand for reliable wire rope and service in Gulf Coast industries. He began buying and stocking material and making assemblies, and soon after,Southwest Wire Ropewas born.

56 years later, Southwest has become one of the strongest names in wire rope and chain fabrication, inspection, and testing in the world. Throughout that time, as our company grew and our experiences with it, we have worked alongside and supplied industrial titans. Here are a few key truths about the industry that we have learned along the way.

We receive requests for quotes or information every week, and many of these inquiries come from individuals in the purchasing department of their company who have very little experience with the wire rope product line. If the recipient of that call at Southwest were not intimately familiar with the industry, they could not guide the potential client to the right solution for their operation. Decades of experience helps us to create thriving rigs and lifting operations across the country.

From the start, Southwest Wire Rope has been driven by integrity, organization, and quality. In 1983, we introduced our identifying trademark to the industry: “Gold Strand” wire rope. Marketed around the world by many wire rope distributors, this rope featuring a tell-tale gold strand represents those guiding values that are woven into every product created by Southwest.

Over the course of the last six decades, ourcommitment to excellencehas helped foster a reputation for industry-leading quality in the wire rope space. Our reputation is one of our most treasured assets, and we fight each day to protect it.

This is why we pursue relentless attention to detail in our fabrication andtesting. We can provide the highest level of precision on rope lengths that our competitors simply cannot match. We pride ourselves on maintaining an industry-leadingproduct offeringwith intricate specifications and customization available to all our customers – all made in-house at a single facility.

For the last 55 years, the professionals at Southwest have been serving the needs of the rigging and lifting industries with an unwavering dedication to quality and excellence. If you are in the market for wire rope, need your equipment tested, or are simply looking for an expert opinion, we can help. We look forward to answering your questions and forming a lasting partnership. For more information, browse ourproductsandservicesorcontact a reptoday.

Wire ropes are essential for safety purposes on construction sites and industrial workplaces. They are used to secure and transport extremely heavy pieces of equipment – so they must be strong enough to withstand substantial loads. This is why the wire rope safety factor is crucial.

You may have heard that it is always recommended to use wire ropes or slings with a higher breaking strength than the actual load. For instance, say that you need to move 50,000 lbs. with an overhead crane. You should generally use equipment with a working load limit that is rated for weight at least five times higher – or 250,000 lbs. in this case.

This recommendation is all thanks to the wire rope safety factor. This calculation is designed to help you determine important numbers, such as the minimum breaking strength and the working load limit of a wire rope.

The safety factor is a measurement of how strong of a force a wire rope can withstand before it breaks. It is commonly stated as a ratio, such as 5:1. This means that the wire rope can hold five times their Safe Work Load (SWL) before it will break.

So, if a 5:1 wire rope’s SWL is 10,000 lbs., the safety factor is 50,000 lbs. However, you would never want to place a load near 50,000 lbs. for wire rope safety reasons.

The safety factor rating of a wire rope is the calculation of the Minimum Break Strength (MBS) or the Minimum Breaking Load (MBL) compared to the highest absolute maximum load limit. It is crucial to use a wire rope with a high ratio to account for factors that could influence the weight of the load.

The Safe Working Load (SWL) is a measurement that is required by law to be clearly marked on all lifting devices – including hoists, lifting machines, and tackles. However, this is not visibly listed on wire ropes, so it is important to understand what this term means and how to calculate it.

The safe working load will change depending on the diameter of the wire rope and its weight per foot. Of course, the smaller the wire rope is, the lower its SWL will be. The SWL also changes depending on the safety factor ratio.

The margin of safety for wire ropes accounts for any unexpected extra loads to ensure the utmost safety for everyone involved. Every year there aredue to overhead crane accidents. Many of these deaths occur when a heavy load is dropped because the weight load limit was not properly calculated and the wire rope broke or slipped.

The margin of safety is a hazard control calculation that essentially accounts for worst-case scenarios. For instance, what if a strong gust of wind were to blow while a crane was lifting a load? Or what if the brakes slipped and the load dropped several feet unexpectedly? This is certainly a wire rope safety factor that must be considered.

Themargin of safety(also referred to as the factor of safety) measures the ultimate load or stress divided by theallowablestress. This helps to account for the applied tensile forces and stress thatcouldbe applied to the rope, causing it to inch closer to the breaking strength limit.

A proof test must be conducted on a wire rope or any other piece of rigging equipment before it is used for the first time.that a sample of a wire rope must be tested to ensure that it can safely hold one-fifth of the breaking load limit. The proof test ensures that the wire rope is not defective and can withstand the minimum weight load limit.

First, the wire rope and other lifting accessories (such as hooks or slings) are set up as needed for the particular task. Then weight or force is slowly added until it reaches the maximum allowable working load limit.

Some wire rope distributors will conduct proof loading tests before you purchase them. Be sure to investigate the criteria of these tests before purchasing, as some testing factors may need to be changed depending on your requirements.

When purchasing wire ropes for overhead lifting or other heavy-duty applications, understanding the safety dynamics and limits is critical. These terms can get confusing, but all of thesefactors serve an important purpose.

Our company has served as a wire rope distributor and industrial hardware supplier for many years. We know all there is to know about safety factors. We will help you find the exact wire ropes that will meet your requirements, no matter what project you have in mind.

Chant Engineering: 850K Wire Rope Break Test Final in-house test machine prequalification break test at 850,000 lbs. 2.75 inch diameter wire rope with coned end terminations. #breaktest #prooftest #testingmachinery #chantengineering #wirerope