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This section provides an overview for bending test as well as their applications and principles. Also, please take a look at the list of 30 bending test companies and their company rankings. Here are the top-ranked bending test companies as of December, 2024: 1.Curtiss-Wright. IMR Test Labs, 2.MUNSCH Kunststoff-Schweißtechnik GmbH, 3.Applied Technical Services, LLC.
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Bending test is a tester to check the durability of products, such as robot cables and optical fiber cables that are likely to deteriorate as the number of bending cycles increases, by daring to bend them repeatedly.
For long, thin products, such as cables and wires, the weight of the cable itself may cause the wire to bend, and bending may be applied during the wiring process. If the durability against bending is weak, there is a risk of wire breakage, so a bending test is necessary.
There are two types of bending tests: a three-point test with two fulcrums and one action point, and a four-point test with two fulcrums and two action points. The three-point test is mainly used because the process of cable bending in wiring is the same situation as in the three-point test.
However, in examining the durability of a cable, it is important to choose the test method that best suits the purpose, since the 3-point test and the 4-point test are sometimes used interchangeably.
Bending test is used to examine the durability of cables by bending power supply cables and wiring devices. The purpose of bending test is to check the durability of cables when they are bent in various directions and to determine whether the cables have the desired durability.
Cables bend in different directions depending on the product. Therefore, test methods differ depending on the bending direction and torsion, and the test content is customized for each product. For example, a 3-point or 4-point test is used for bending test. A torsion test may also be used to examine the durability of external force due to torsion.
Usually used for electric wires and cables, but also often used to check for cracks and tears in rubber products that stretch and shrink rapidly, thin optical films, and so on.
Bending test consists of forcing a cable-like object to bend using a jig. Usually, the cable is bent by placing it between jigs called mandrels with radii. The test with the jig is the same as the principle of the 3-point test for bending tests.
By using jigs with different R values, it is possible to set the desired angle of bending. The objective is to check the durability by repeating the bending operation. In the bending test, the test sample is bent along the curved surface of the R of the jig, so the selection of the jig is also important for evaluating the correct durability.
The twist test and U-bend test are used in conjunction with the bending test to evaluate the durability of cable-like materials. As in the bending test, the durability of the cable is checked by forcibly twisting and folding the test sample. The items required for these tests vary depending on the uses of the test sample and the processing process.
Bending test requires a twist test or a U-fold test in addition to the bending test. There are also testing machines that use the same principle as the 3-point test for bending tests.
The phenomena to be evaluated vary with each testing method. For example, the torsion test evaluates torsion phenomena, while the U-fold test evaluates bending phenomena.
1. Twisting Test
The twist test is a test to examine the durability of a cable when it is twisted. The cable is set in the durability tester and supported at both ends by a jig, then bending is applied to the cable.
2. U-Fold Test
The U-bend test is a test in which a jig is attached to the top of a bent cable and an external force is applied. Some testing machines can test many cables at once by arranging them in parallel.
3. 3-Point Test
The three-point test is a test in which an external force is applied to the center of the specimen, supporting both ends of the material. It is called a 3-point test because the external force is applied to three points: two at both ends and one at the center.
The purpose of the three-point test is to determine whether a material is suitable for bending since the external force is applied similarly to the bending process of the material. The bending test, which is used to examine the durability of a cable, consists of supporting both ends of the testing machine with a jig and applying an external force to the center.
*Including some distributors, etc.
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Curtiss-Wright Corporation, founded in Davidson, North Carolina, in 1929 is a manufacturer of components for actuators, aircraft controls, valves, and surface-treatment services. The company's product portfolio includes aircraft components, including structural parts, engine components, landing gear components, and hydraulic systems, navigation systems, communication equipment, flight control systems, and cockpit displays. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company also offers customer services that include support, custom research projects and customized services.
ADMET, Inc, founded in Norwood, MA, in 1989 is a manufacturer of universal testing systems for tension, compression, flexure, torsion and biaxial testing. The company's product portfolio includes testing indicators, controllers, and software, Grips, fixtures, and other accessories for testing machines. Their products are used in industries such as Food and Beverage, Pharmaceutical and Biotechnology, Chemical and Petrochemical, Environmental Testing and healthcare. They also offer custom packaging, warehousing, and distribution services.
Fischer Engineering Company, established in 1948, is headquartered in Dayton, USA, and operates as a supplier of welding engineering, testing equipment, and services to fabricators, manufacturers, and laboratories. The company's range of goods, including weld bend testers, weld tensile testers, and welding coupons, is broadly utilized domestically and internationally by numerous countries. All the goods have been specifically engineered to fulfill or surpass the criteria outlined by welding codes and standards within the business.
Instron, founded in 1946, is a manufacturer and supplier headquartered in Norwood, Massachusetts, USA, that specializes in providing materials testing equipment and solutions. Their range of products includes universal testing machines, impact testers, hardness testers, and accessories, which are used to evaluate the mechanical properties and performance of raw materials, components, and products. These products are widely used in industries such as automotive, aerospace, and construction. Instron is certified with ISO 9001 for quality management and ISO 17025 for calibration service.
Professional Analysis and Consulting, Inc., founded in Illinois, the United States in 2007 is a supplier of engineering, forensic, and scientific expertise services. The company offers services such as crash data retrieval, evidence management & storage, aerosol can testing, scene documentation with drone technology, and tensile and compression testing. It serves law firms, insurance companies, and manufacturers in the markets of metallurgical, electrical, aerospace, mechanical, and automotive, throughout the U.S. and the world.
T,C & A LAB, founded in New York, USA, is a supplier of custom testing, characterization, and analysis of a variety of materials. The company provides services including troubleshooting, R&D screening, raw materials retesting, and diagnosis for industries such as packaging, medicine, food and beverage, biomedical, and automotive. the company also offers corrosion testing that detects the chemical or physical (or mechanical)-chemical damage process caused by the interaction of metals or other materials with the environment.
Realityworks was established in 1994 and is based in Wisconsin, United States, and operates as a distributor of experiential learning technology, offering interactive educational solutions that have the potential to bring about transformative experiences. Realityworks is a firm that operates under an employee ownership model, placing significant importance on recognizing and compensating those who actively donate to the organization's operations. By engaging in partnerships and collaborations with educators, administrators, and business experts, the organization can effectively align its product and program offerings with the specific requirements of these stakeholders.
YASUDA SEIKI SEISAKUSHO, LTD., founded in 1955 with headquarters in Japan, is a manufacturer of material testing machines. The company's wide range of products includes rubber testing machines, electrical and magnetic wire testing machines, leather testing machines, and dye testing machines. YASUDA SEIKI SEISAKUSHO, LTD.'s testing machines are used to evaluate and quantify the physical properties of materials and can be found in research, industrial, commercial, and governmental organizations. The company offers customer support, including repairs and troubleshooting services.
MUNSCH Kunststoff-Schweißtechnik GmbH was founded in 1990 and is headquartered in Baumbach, Germany, as a manufacturer of state-of-the-art plastic welding machines and devices. The MUNSCH plastic welding machines are characterized by their user-friendly and ergonomic design, which enhances ease of use and comfort during operation. Additionally, their aesthetically appealing design adds to their overall attractiveness. These features collectively position the MUNSCH plastic welding machines as dependable and straightforward tools for effectively joining thermoplastics through welding. All goods' development, production, and approval occur in Ransbach-Baumbach in the Westerwald region, with global distribution.
SPC, Sharretts Plating Company, was established in 1925 and is headquartered in Emigsville, Pennsylvania, as a manufacturer specializing in customized electroplating and metal finishing services. The company's product portfolio includes rack plating, barrel plating, prototype plating, and customized mass-production plating, benefiting customers across various industries, including automotive, semiconductors, electronics, and hardware. The industrial plating capabilities of the company consist of palladium plating, electroless nickel plating, gold plating, silver plating, copper electroplating, and numerous metal alloys. The company is one of the few in the sector that can plate gold and nickel onto titanium and handle plastic plating.
Elcometer Limited, established in 1947, has a global network of facilities and is a manufacturer in the UK and the USA of inspection equipment for the coatings, concrete, and NDT industries. The company's core portfolio of products covers four divisions: Blast, spray, coating inspections, and NDT equipment. Example products include industrial and commercial spray equipment used for protective coatings to meet OEM requirements, bodyshop spray equipment, and components used primarily to provide repair and customized work to the interior and body of passenger cars, trucks, vans, and trailers by their clients, including commercial, industrial, and OEMs.
ABB E-mobility provides electric vehicle charging solutions for customers around the globe. ABB E-mobility offers DC fast chargers as well as AC chargers with focus on reliability and uptime. Since 2010, ABB E-mobility has sold over 50,000 DC fast chargers and over 1 million total AC chargers. ABB E-mobility offers home single and multi-charge units, retail, workplace, and hospitality charge units, electric vehicle fleet sales, as well as public transportation. Additionally, numerous digital solutions and software services are available.
ELCA Labs, founded in Maharashtra, India in 1974, is a SO IEC 17025 (NABL) accredited company that offers independent laboratories specializing in material testing. The company offers services such as electrical testing for various types of electrical items like cables and electrical accessories and a comprehensive range of material testing and consultancy services for chemical, metallurgical, and corrosion. Its laboratories are equipped with state-of-the-art machinery at par with international standards.
Element is a global supplier of materials testing and certification services headquartered in the US since 1827. They offer testing and inspection solutions worldwide, including tensile testing machines, impact testers, hardness testers, SEM, XRF analyzers, and environmental chambers, used to evaluate materials like metals, polymers, and composites in various sectors. including academic institutions, research labs, and industries. With a rich history spanning over a century, Element excels in precision instruments for scientific and engineering applications.
Rycobel is a supplier of measuring equipment, optimization of production processes, and maintenance and calibration of various devices. The company has offices in Belgium, Germany, the Netherlands, and France. Rycobel offers various testing equipment for material characterization including vibration testing and bending resistance. They also have equipment for testing paper, beverages, packaging, and textiles among others. Rycobel offers solutions to static electricity, dust and moisture removal from all surfaces, and surface treatment to ensure adhesion to various materials.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Curtiss-Wright. IMR Test Labs |
18.8%
|
| 2 | MUNSCH Kunststoff-Schweißtechnik GmbH |
18.8%
|
| 3 | Applied Technical Services, LLC |
12.5%
|
| 4 | Sigma Test & Research Centre |
6.3%
|
| 5 | T,C & A LAB |
6.3%
|
| 6 | Professional Analysis and Consulting, Inc. |
6.3%
|
| 7 | Realityworks |
6.3%
|
| 8 | Fischer Engineering Company |
6.3%
|
| 9 | ADMET, Inc |
6.3%
|
| 10 | Rycobel |
6.3%
|
Derivation Method
The ranking is calculated based on the click share within the bending test page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
9 | 69.2% |
|
Japan
|
1 | 7.7% |
|
Germany
|
1 | 7.7% |
|
India
|
1 | 7.7% |
|
United Kingdom
|
1 | 7.7% |
1 products found
1 products
Aikoh Engineering Co., Ltd.
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■Summary - A cord bending durability tester that complies with JIS and UL. ・The swing angle can be switched between ±45 degrees and ±90 degrees. ...
