ndt wire rope inspection for sale

Non-destructive wire rope inspection involves determining the condition of wire rope still in service to ensure that it is safe for use. Every steel wire rope, which is subject to corrosion, abrasion, and fatigue, will fail one day if it is not discarded in time. Steel wire rope flaw detectors enable accurate measurement of loss of metallic area (LMA) and detection of outer and inner localized flaws (LF), such as broken wires, strands, pitting corrosion. Our wire rope test and inspection equipment is suitable for underground and surface mining, cranes and heavy lifting onshore and offshore, cable ways, cable bridges, elevators, guy ropes of flare stacks and masts, overhead transmission lines, etc.

lAdopts electromagnetic qualitative, quantitative and orientation methods to do online overall NDT of broken wires, corrosion, wear, metal, loose strands, jump wire cross-sectional area, deformation and material anomalies of wire rope.

This is because the end ofuser rope must be stronger than lead insurers, so they can lessstand the test of time and even if the end of a rope. It are also used in manufacturing areas, construction, and many other areas of construction.

Stainless steel wire rope is one of the most convenient materials and can be bought in bulk for the long time. even if steel wire is high, it is important to know the shape and size of the wire rope.

One of the most important things to wire in places is your customers ’ work. Before buying wire rope at Alibaba.com, it is important to know what type of customers is wire rope inspectors and whether they ’ re going to work or any other place where your customers work, wire rope inspectors should be able to provide wire rope inspections to any customers, so they can check whether the quality is a quality or a indicator. wire rope inspectors should be able to check the quality of materials used when wire rope is used, and even if it is at the same time as your customers, wire should check at any end of the day.

One of the main purposes of wire rope inspections is to identify the condition that the wire rope is ised and, according to the quality of the attached, and the wire itself. One of the most important types of wire rope inspections is to make the that, or the other, a welded steel design needs to be checked before, and any wire rope is applied. Hence, wire rope inspectors should be able to check the quality of the wire rope used by installing wire ropepes.

The Magnograph® series of wire rope NDT testers are the leading non-destructive instrument to test the condition of steel rope sections. Detecting corrosion and broken wires, this is simply not possible with visual inspections.

This state-of-the-art NDT testing of wire rope quickly and efficiently identifies defects through the entire cross section of rope. Even non-skilled personnel can operate the Magnograph. View real-time data and perform post-test data analysis easier than ever before.

Magnograph® MAG II is designed to test ropes from 12-64mm (1/2 to 2-1/2 inch) diameters. It utilizes 5 different sizes of interchangeable rope guides in the sensor head.

Depend on the Magnograph® for professional wire rope inspection you can trust. By using Magnograph® and its computerized systems, you will benefit from many outstanding advantages:

The system assesses the residual bearing capacity and service life of the tested wire ropes in-service, through quantitative testing to the effective cross-sectional area loss percentage of the actual load-bearing metals caused by various internal and external wire breakage, abrasion, fatigue and other damages. Hence, providing users with scientific basis for safe use and reasonable replacement in accordance with standards and specifications. This assessment will help to prevent effectively wire rope breaking accidents and safety issue, also reasonably reducing the cost of ropes and scientifically improving wire rope operating efficiency.

we provide quality products and customer service that our customers are accustomed to. Herb has invested time, over the past five years, with a transition team lead by Ori and Joe Shtekler to ensure a smooth transition. To NDT Technology LLC.

NDT Technology, LLC. is a developer and manufacturer of nondestructive test instrumentation for the in-service inspection of wire ropes and cables. Our company is the world’s premier maker of wire rope inspection instrumentation. Our success in this niche business can be attributed to the superior performance of our products and our never-ending pursuit of innovation.

Our wire rope NDE equipment is especially suited for the inspection of so-called high-value wire ropes (i.e., large diameter (>100mm) subsea construction ropes with lengths in excess of 2000m). Our rope testers also show great promise for the inspection of spiral strand.

Our company doesn’t only sell the MRT Equipment, but has also had over 40 years of experience with Wire Rope Inspections and is willing share it with customers. All technology and know-how implemented in manufactured LRM XXI Diagnostic System is owned by LRM-NDE.

LRM XXI Diagnostic System helps to increase the operation safety of the entire installation in which wire ropes are a very important component. The LRM XXI Diagnostic System enables to extend the lifetime of wire ropes due to periodical inspections of the technical condition of wire ropes and accurate detect of their maximum weakening (wear) considering the regulations and maintaining a high level of safety as well.

LRM-NDE Laboratory provides a world-class Magnetic Rope Testing (MRT) Services in many industries where wire ropes are used. LRM-NDE offers full professional support during the MRT Services:

MRT Examination Services – carrying out wire rope inspection on site performed by qualified MRT Inspector and preparing the expertise from wire rope inspection

MRT data analysis services – support in interpretation and evaluation of collected data from wire rope inspection by customer staff and prepare the expertise by LRM Inspectors

LRM-NDE Laboratory has been developing MRT method, which have been implemented into the LRM-NDE wire rope tester technology using the latest advances in electronics and informatics, creating the state-of-the-art MRT Equipment – LRM XXI Diagnostic System. The original and state-of-the-art solutions adopted in the MRT Equipment are based on over 40 years of scientific work and experience on magnetic methods of steel wire ropes, tubes and conveyor belts inspections.

MRT Services are provided by qualified MRT Inspectors. The competence of LRM-NDE Engineers is confirmed by international certificates of competence in NDT according to PN-EN ISO 9712.

Long term cooperation with customers in various industries such as: Oil & Gas, mining and metallurgy allows LRM-NDE Laboratory to develop the brand and gather experiences together with customers for MRT Equipment development. Moreover the MRT Equipment is using is to perform the MRT inspection of cranes and elevators, bridges, guy ropes of flare stacks and masts, cableways, tubes and conveyor belts.

At Premiere Scana Technology, we have make our clients contented by increasing safety and reducing cost through proper cost cutting by using our advanced technology we save wire rope wastage. Get that wire rope inspected ensure real safety know the exact condition of that crane wire rope before using that crane.

We have the expertise to advise on wire rope consumption without compromising on safety. Most recently, we began to introduce our services to the Offshore Supply Vessel and found that the old ways of cutting the winch wires and sending them for inspection is not a productive nor the best way to ensure wire rope is safe for service. We provide In-situ wire rope inspection without removing the wires on the winch, we can perform an inspection by spooling the entire wire rope and inspecting 99% of the full length on the vessel itself. This gives the best assurance for checking the entire wire rope integrity.

Wire Rope inspection using visual methods have proven to be unproductive and not quantitative in nature besides human fatigue can cause the inspection to be incomplete and have gaps that can cause dangerous mishaps.

We are able to detect wire rope defects without removing the ropes on the machinery and we can do an inspection for example on a Oil Rig pedestal crane within 16 hours for the 3 wire ropes, boom, whip and main Hoist line. We have also developed a comprehensive package that is most applicable and economical for Shipyards, Marine vessel, Offshore Support Vessel and all kinds of Winches and Cranes for heavy lifting or towing. Our device detects corrosion, abrasion, fatigue and broken wires internally and externally on the wire ropes. The difference between us and the competitor is that we have a factory that produces this device and we have constant upgrade program that enables us to produce the most current up to date devices that can inspect all types of wire rope construction.

Wire ropes are complex machines with a great many moving parts. They require attention, skilled operators, careful maintenance, inspection and lubrication.

In spite of their vital importance, wire ropes are frequently treated as and considered low-tech commodities. Failures are frequently accepted as “inevitable.”

With the appropriate inspections, wire rope failures can be predicted, and expenses and losses reduced. Consider that the price tag of rope failures can easily be in the seven or even eight digit range, and the cost of an inspection is marginal.

Much more dependable than visual inspections, magnetic rope testing (MRT) is a reliable non-destructive evaluation/examination (NDE) procedure used for the in-service inspection of wire ropes. NDE methods allow the detection and evaluation of external as well as internal rope deterioration. This allows the inspection of a rope’s entire cross-section to the core. MRT drastically increases wire rope safety. At the same time, it promises significant annual savings.

Ropes usually degrade internally with no visible indications. Internal deterioration modes include inter-strand nicking that will eventually develop into clusters of internal broken wires and corrosion including corrosion pitting.

External deterioration includes winding-on-drum damage. Urgently needed, suitable inspection equipment and procedures are now available – especially for the quantitative characterization of internal rope deterioration.

In the industrial sector the rope often represents a fundamental part of the production cycle managing its life cycle is fundamental to maximize production and increase safety.

In these environments the ropes are often covered with a layer of grease that makes visual inspection almost impossible. In addition, in anti-frost ropes most defects arise internally due to a phenomenon called fretting.

The system allows LF and LMA signal to be measured, detecting internal and external defects, such as broken wires, corrosion, wear and friction fatigue.

LMA-125 WIRE ROPE INSPECTION SYSTEM SPECIFICATION SHEET LMA-125 Sensor Head Features – For the Nondestructive Inspection of wire ropes with diameters 0 to 1¼ inch (0-32 mm).

Quantitative Characterization: external and internal corrosion including corrosion pitting, wear, broken wires, broken cores, various changes of rope structure.

Quantitative Characterization: external and internal corrosion including corrosion pitting, interstrand nicking, broken wires (single or in clusters).

: Like Rolf I am unsure of what application or type of cable you wish to inspect. I have attached a paper detailing how we went about selecting the best equipment for the inspection of steel wire ropes for your interest it also gives basic information about the method.

: The paper reviews winder rope inspection procedures at the Non Destructive Testing (NDT) Unit of Western Australian School of Mines (WASM) and outlines measures taken to adopt the world"s best practice. The measures include acquisition of a new type of rope tester, adoption of comprehensive rope rejection criteria, adoption of a standard rope inspection procedure and formal training of the wire rope inspectors.

: In the mid- to late-1980s several catastrophic failures of winder ropes took place in Canadian mines. All failed ropes were periodically inspected with magnetic or electro-magnetic NDT instruments during service, some just days before the failure. Documented in detail by Geller et al (1989) these failures lead to an in-depth evaluation of the NDT rope inspection techniques in a study conducted jointly by the US Bureau of Mines and CANMET, a Canadian Federal Government research organisation. An initial stage of this study concentrated on review of past rope inspection practices and led the chief investigators to conclude that; "no more than some 50 per cent of the NDT estimates were within ± four per cent accuracy range" and that "in a number of cases the rope breaking strength seemed to have diminished well beyond the amount permitted by the relevant provincial regulations" (Geller and Udd, 1988).

: While the study has proven that introduction and use of NDT techniques for rope testing has greatly increased safety of winding , it identified a number of instances where the inspection results were outside the acceptable error range. Unreliability of many inspections was attributed to human related problems (Geller and Udd, 1988) and most notably from:

: Other findings of the study indicated that rope testers providing both LMA and LF data allow for more accurate estimates of LBS than the single function instruments and that certain rope types, constructions and defects are particularly difficult tomeasure using the NDT techniques.

: A follow-up study by CANMET compared accuracy of the rope inspections conducted with several types and models of NDT rope testers. Ropes of various constructions and diameters were used in this study. It resulted in development of detailed recommendations on selection, design and operation of the NDT testers.

: In Western Australia NDT inspections of winder ropes are conducted by the NDT Unit of WASM, a joint venture between the school and several mining companies. In addition to rope inspections the Unit also inspects rope attachments and various winder gear, and conducts a range of NDT tests using ultrasonic, penetrant, magnetic particles and other methods. Aware of the CANMET studies referred to above and driven by a desire to provide the industry with the highest quality service the management of the Unit launched a comprehensive review of rope inspection practice in place. As a result several aspects of the inspection were identified for possible upgrade. Thesewere:

: Assessment of the condition of two rope testers owned by the NDT Unit indicated the need for an upgrade. A world wide search for a new tester was launched to facilitate this. At the same time feasibility and conditions of refurbishment of the testers at hand were investigated. This was found to be non competitive on commercial and technical grounds. The search for a new rope tester included identification of commercial suppliers and comparison of the relevant specifications. The base for comparisons, apart from technical specifications, were the desirable instrument characteristics defined in the CANMET study (Geller et al, 1990) as follows:

: 1.The instrument should be designed for adding, if so desired, electronic means to the paper chart records such as, for example, a frequency modulated (FM)tape recorder for recording, and for faithful playback of the following signals: (a) LMA, (b) LF. © test speed, (d) length, and (e) direction of measurements. The signal to noise ratio of the recording and play back process should be kept as high as possible in order that: (a) the added noise be less than 0.1 per cent of the LMA channel, and (b) the LF signal induced by a rope defect not be lost among electronic noise.

: 2.All control settings, such as zero and gain for both the LMA and LF signals should be equipped with a dial both readable, as wall as resetable, to within one-tenth of one per cent, so as to be able to exactly reconstruct the levels set during the original rope tests.

: 8.The range of the LMA measurements should extend to at least +5 per cent and -20 per cent in case of the largest rope size measurable by the instrument.

: In total six rope tester manufacturers were identified with a record of worldwide sales and service, two in Canada and one each in the USA, Germany, Poland and South Africa. The specifications and characteristics of the first five testers were made available to the Unit and analysed in detail. While each ofthe manufacturers offers several tester models, the analysis was limited to the models best meeting the NDT Unit application criteria which were testing of stranded winder ropes with diameter ranging between 15 mm and 60 mm. A summary of the findings of this analysis is presented in Table 1. Apart from technical specifications and those defined by CANMET additional conditions were included in the selection dealing with commercial terms, time and terms of delivery, and service support.

: The bid review led to the decision to purchase the rope tester manufactured by Meraster of Poland, model MD-120, with the measuring head model GP2. In addition to scoring best in the comparison based on the CANMET criteria, and meeting other conditions, the tester allows for:

: 2.instantaneous recording of the LF signal from two measuring coils, each of different diameter, what in turn allows for accurate quantification of rope damage; and

: All three are identified on the sample strip chart recording shown in Figure 1. Delivery of the MD - 120 tester wad taken in October 1994. Since then it has been used as the main rope tester with the two older instruments used as back-up.

: The purpose of rope inspections is to define the rope condition relative to that considered safe for the intended use. Rope condition is most commonly defined in terms of the loss of its breaking strength (LBS) from that of the new rope. The maximum permissible loss of LBS is then defined for a specific rope application and the measured LBS is compared against that maximum. Alternatively the safety factor for a specific rope application is defined and the rope is discarded when its remaining breaking strength is insufficient to secure this factor.

: Neither the Western Australia Mines Regulations Act and Regulations 1976 nor the Australian Standards retail the winding rope wear and rejection criteria in a form which could be used in conjunction with the NDT inspections. The Regulations state that "a rope … shall forthwith be withdrawn from use when …( c ) Non-destructive examination of the rope using approved non-destructive testing equipment shows that continued use of the rope is not consistent with safe operation of the hoisting or haulage operation". This leaves the responsibility for determination of the most appropriate rope rejection criteria with the NDT Unit. In the past the Unit used a criterion based on the maximum permissible loss of magnetic area of a rope (LMA signal) complemented by the maximum permissible number of broken wires (LF signal) and expressed as a loss of LBS. As a general rule the clients were recommended to discard a rope if its.

: LBS estimate amounted to ten percent or more of the breaking strength. While this criterion meets the requirements of the Regulations it leaves a margin for error in view of difficulties with relating the measured value of LMA to the actual LBS of a rope (Fuchs and Schroeder, 1992). The variety of winding rope constructions used in Western Australia contributes to the problem.

: It is important for accurate assessment of rope condition that all forms of wear are taken into consideration (Poffenroth, 1989). While the indications of a NDT rope tester allow in most cases for quantification of rope wear, other forms of wear not detectable with the tester must be assessed as well. To research the best practice in this area a world-wide literature search for related information was undertaken. It yielded a large volume of data including several sets of comprehensive rope rejection criteria. Comparison of these led to the decision to adopt the set developed recently by the Angle American Corporation of South Africa (Kuun et al, 1993) These criteria are listed in Appendix 1.

: Accuracy of rope condition assessment was significantly enhanced by the availability of two LF signals from two separate coils of the MD-120 tester. The signals allow for introduction of corrections reflecting the position and size of rope faults. As a result accurate quantification of rope damage is possible (Golosinski, 1995).

: There is no Australian Standard which details the procedure for NDT testing and inspections of ropes. The procedure followed by the Unit was arrived at in an evolutionary manner by analysis of various relations observed during inspections. Advice of tester manufacturers and service staff was also solicited from time to time and contacts were made with the similar laboratories nationwide.

: In 1993 the ASTM (American Society for Testing of Materials) adopted the standard E 1571-93 which defines the Standard Practice For Electromagnetic Examination For Ferromagnetic Steel Wire Rope. The standard was developed by the ASTM committee E-7: Non-Destructive Testing. Its development and approval was a direct result of USBM involvement in the research project conducted jointly with CANMET and referred to earlier.

: The ASTM standard details the scope and sequence of activities which need to be included in the rope inspection, describes in detail the inspection procedure, imposes data processing and reporting requirements, and details the tester calibration procedure. In general the standard, if followed, reduces the risk of human errors and assures that the accuracy of rope condition assessment is as reliable as feasible. In absence of the corresponding Australian standards the ASTM standard on electromagnetic examination of ropes was adopted by the NDT Unit of WASM for conducting of all rope inspections.

: The NDT Unit inspectors have been certified by NATA (National Association of Testing Authorities) as qualified to conduct rope inspections. While this recognises their rope testing skills, the qualifications were acquired by hands-on inspection experience, self-education and contact with the tester manufacturer and service is very limited. Considering that the CANMET study identified lack of formal inspector training as one of the main factors contributing to unreliability of some inspections, an effort has been made to identify a suitable training program overseas or to develop one in-house.

: A formal, structured training program for rope inspectors is currently being established by Anglo American Corporation in South Africa (Kuun et al, 1993). Inquiries have been made with that company regarding feasibility and conditions of training NDT Unit inspectors in South Africa. Somewhat similar programs have been established in Poland and Germany. All these programs meet the requirements defined in the CANMET study. Review of feasibility and conditions of having inspectors trained overseas lead to an agreement with the Rope Transport Laboratory of the University of Mining and Metallurgy in Cracow, Poland, for provision of a one-week course in NDT rope inspection techniques. This laboratory has a long history of involvement with rope inspections dating back over 30 years and was instrumental in development of the MD-120 tester discussed above.

: Two NDT Unit staff took part in this training which was timed to coincide with the commissioning of the MD-120 tester acquired by WASM. This allowed the new tester to be used for practicals during the training sessions and provided staff with hands-on familiarity with it . It also eliminated potential tester start-up problems. The scope of this custom-designed training program included rope constructions and properties, rope wear patterns and their quantification, basics of NDT inspections of ropes, familiarisation with the MD-120 instrument and its calibration, and procedures for definition and quantification of rope damage.

: These measures guarantee that inspection services supplied by the WASM NDT Unit follow the world"s best practice and that the Unit provides its clients with reliable assessment of rope condition.

: Fuchs, D and Schroeder, R, 1992. The safe load of winding ropes in large Koepe hoists - an assessment based on non destructive testing, OIPEEC Bulletin, No 63, (Reading Rope Research: Reading, UK)

: Geller, L B and Udd, J E, 1988. Comparative evaluation of mine-shaft wire-rope NDT instruments. Report MRL 88-78 (TR) CANMET: Energy, Mines and Resources Canada

: Geller, L B, Rousseau, G and Poffenroth, D, 1990 Canada/NB MDA project on mine-shaft rope testing: stranded ropes with artificial defects. Report MRL 90-015 (TR) CANMET: Energy, Mines and Resources Canada.

: Kuun, T C, Wainwright, E J, Dohm, A A R and van der Walt, W P, 1993 Condition assessment of winding ropes, in Proceedings Mine Hoisting 93 p 6.2.1 -6 (The Institution of Mining Electrical and Mining Mechanical Engineers of UK).

: Poffenroth, D N, 1989. Procedures and results of electromagnetic testing of mine hoist ropes using the LMA - TEST instruments, in Proceedings Wire Rope Discard Criteria pp 17.1 - 21 (Swiss Federal Institute of Technology (ETH).

Standards: GB/T21837-2008, ASTM E1571-2001 (Standard specification for electromagnetic examination of ferromagnetic steel wire rope), GB/T5972-2006/ISO 4309:90, GB8918—2006

The windows system of wire rope computer detector is the GB system renewal product which based on the DOS software theory and the real time display alarm guiding ideology utilizes Visual Basic6.0 the programming language foundation, carries on the compilation to become.

Magnetic sensor: The sensor is composed by displacement locator (Leading wheel, encoder), the magnetization installation and the sampling organization. After the system activated, the wire rope and it has the relative movement, then it can gather the signal.

Sampling organization: When the wire rope and the sensor have the relative movement, the Hall element composed the sampling channel will transform the wire rope magnetic flux leakage change condition into the simulation voltage signal.