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Ian Melin-Jones

Ian Melin-Jones

Thursday, 30 January 2020 21:15

Weld Purging at a Low Cost

There are many occasions where Tandem Inflatable Tube and Pipe Purging Systems are not suitable and welders are often left to construct their own Weld Purging Equipment.

Often, homemade purging devices are unsuitable and can often lead to loss of welds due to oxidation.

Weld Purging Experts Huntingdon Fusion Techniques HFT® manufacture a range of low cost, lightweight Weld Purge Plugs for a variety of applications for pipe sizes 0.5 to 6” (12 to 152 mm) diameter.

Luke Keane, Technical Sales Manager for HFT® said: “Typical purging applications for our Weld Purge Plugs include small or odd diameter pipes, short, complicated or variable size assembles where a purging system or inflatable dam would be too long or other purging equipment may not be available or practical.”

“We manufacture the Plugs in in a number of ready-made kits containing plugs ideally suited for the most popular size of pipes, all of which are available for immediate delivery.”

A Customer recently said: “I have used HFT®’s Weld Purge Plugs and they are very nice. I have operated a lot of Automated Welding Machines with a lot of purging involved. Hands down HFT®’s product is the best I’ve seen.”

Manufactured from engineering quality nylon with rubber seals made of natural black rubber, special Plugs can be made to order with sealing rings made of silicone, viton or nitrile rubbers, making them suitable for use with petrochemical fluids, high temperatures or any other conditions that might arise during use.

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The plugs are supplied with a hollow shaft with an outside ½” BSP thread for screwing on a standard hose connection or solid shaft versions up to 1.5” diameter for pressure testing.

HFT’s Nylon Plugs can be used for many other applications, including garden ponds, pool and spas and on yachts. Other applications include the stopping of pipes to prevent foreign bodies or liquids from entering or gases and liquids from escaping, blocking pipes in order to carry out routine maintenance, repair work and leak testing. As “overnight stoppers” they provide a strong barrier in pipeline activities, to prevent foreign bodies entering the line during downtime.

Made in Wales – Manufacturer of the Year 2019!

Huntingdon Fusion Techniques HFT® have a Worldwide Exclusive Distributor Network.

Scania, a world-leading Swedish provider of transport solutions, including trucks and buses for heavy transport applications, is investing EUR 150 million in a new foundry in Södertälje, Sweden. Scania plans to triple production capacity and achieve a 50 percent reduction in energy consumption compared to the technology and methods used in the current foundry.

Nederman MikroPul Selected by Scania for Dust Collection and Heat ExhangersNederman MikroPul Selected by Scania for Dust Collection and Heat Exhangers

Scania has selected Nederman MikroPul for the supply of six filter plants for air pollution control, including heat exchangers on various work stations from melting to finishing, with a total volume flow of 1.254.000 Am3/h. The largest expected energy savings will be obtained through improvements in the casting process and recovery by heat exchangers, which will transfer heat from the exhaust to the supply air.

"Our offer perfectly met Scania's ambition towards a more sustainable production. We are proud of being part of a project, which will set new standards for modern manufacturing in foundries."
- Markus Schilli, Managing Director Business Unit FS Systems

Austrian-headquartered metal separation, processing and recycling specialist Schaufler has invested in a new machine from fellow native brand UNTHA shredding technology, as the business looks to boost the efficiency of its scrap handling operation in 2020 and beyond.

The Ybbs an der Donau-based company is no stranger to ferrous and non-ferrous materials, having operated in the metals market since 1948. The 120-strong team handles copper, aluminium, zinc and stainless steel from scrap dealers, industry, municipal associations and private households, before collecting, sorting, shredding and selling the valuable recyclates to smelting works across Europe.

But keen to develop from a pure trading company into a specialist recycling company, Schaufler sought a proven, heavy duty pre-shredding system that could effectively process metal ‘waste’ to achieve a high quality, homogenous output fraction, allowing further downstream segregation processes to achieve maximum recyclate yield.

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A world-renowned UNTHA XR3000C was first trialled back in March 2019, using Schaufler’s own materials. Impressed with the equipment’s high throughputs and low wear rate, the organisation has since invested in an XR shredder of its own.

The UNTHA Eco Drive concept within the XR also lowers energy consumption by 75% compared to standard electro-hydraulic drive options.

“In UNTHA, we have finally found a partner who took our wishes into account and provided targeted, solution-orientated support,” explained Paul Losbichler, Schaufler’s managing director. “We have been particularly impressed with the energy efficiency of the machine and would highly recommend both the unit and the supplier."

Now fully commissioned, the high-performance solution is configured to achieve throughputs of 20 tonnes per hour for copper cables, 8 tonnes for aluminium and 10 tonnes for composites.

UNTHA’s sales manager Daniel Wresnik added: “The XR is user friendly, easy to maintain and, as we proved with Schaufler’s trial, it can be adapted to suit clients’ very specific requirements.”

The XR range consists of highly economical, slow-running single-shaft shredders which were specially developed for the coarse, medium and fine shredding of untreated household waste, industrial and commercial waste as well as waste wood. However, minimum operating costs combined with maximum performance make these shredders particularly powerful solutions for recycling applications too. More than 250 XRs are already in operation worldwide.

The influential industry magazine Metal Supply and Sales has named Magnitogorsk Iron and Steel Works (MMK) first among Russian producers of flat products.

The magazine Metal Supply and Sales has published its traditional rating of the leading metallurgical companies in the second half of 2019, where PJSC MMK once again took first place among Russian producers of flat products. Thanks to the modern high-performance rolling mills launched at the plant over the last two decades, which focus on the production of high-quality flat products in high-margin segments, the Company is a leader in the production of both hot-rolled and cold-rolled products (the plant accounts for one-third of cold-rolled products in the Russian ferrous metals industry). 

2016 04 07 064954The Company also continues to hold first place in the section of the rating dedicated to producers of galvanised and coated metal. MMK devotes particular attention to the development of this sphere of production: currently, MMK has three continuous hot-dip galvanising lines (CGL) and two polymer coating units. In addition, the cold-rolling unit (Mill 2000) complex includes a combined continuous annealing/hot-dip galvanizing unit and a CGL. The Company is also a leader in the tinplate market. 

MMK Group is consistently expanding its range of manufactured steel products, thanks in part to the use of MMK Lysva Metallurgical Plant's equipment to produce electro-galvanised rolled products and premium products with a polymer coating, produced under the SteelArt and Moire brands. These products consist of a metal base with a three-layer polymer coating, which accurately imitates the look and feel of natural materials – including stone, wood and brick – while at the same time ensuring a light-weight product with a lower cost of installation.

In addition, two more companies from MMK Group were included in the rating by Metal Supply and Sales magazine for the second half of 2019. Magnitogorsk Metalware and Calibration Plant MMK-Metiz entered the top three manufacturers of metalware products, and MMK Trading House retained second place in the list of the best trading houses of steel mills.

The rating of leading manufacturers and suppliers of ferrous and non-ferrous metallurgy in the second half of 2019 is based on questionnaires received from buyers of steel products, the results of a survey of metal market experts, as well as a comprehensive analysis of the companies' activities. The following criteria were taken into account when determining the best companies: business development dynamics, supply volume, level of service, product quality, reliability of the supplier in terms of performance of contractual obligations, and openness in providing information.

For the second year in a row Combilift is a finalist in the IFOY Awards – one of the most prestigious and hotly contested international awards in the materials handling industry. The company is the only manufacturer to have two of its products nominated for a 2020 IFOY Award (International Intralogistics and Forklift Truck of the Year) which honours the best products and solutions of the year.

The Combi-CBE4 is a finalist in the Special Vehicle Category. This 4000kg capacity electric powered, all-wheel drive forklift incorporates compact counterbalance design with multidirectional capability for the versatile handling of mixed sized loads. It features the company’s internationally patented independent electric traction (EP.2956350) which provides all front and rear drive wheels with 100% traction control, therefore negating the need for differential lock on slippery surfaces. By inputting the wheel-base parameters, the traction commands are calculated by the control system. As the truck drives and steers, the speed and rotational direction of the wheels are controlled independently, allowing the truck to negotiate tight turns with no tyre wear.

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The Combi-CS has been nominated in the Warehouse Truck Lowlifter Category. It is the only pedestrian counterbalance stacker that will operate in a conventional reach truck aisle for space saving and productive storage and handling. It features Combilift’s unique, internationally patented and award winning multi-position tiller arm which can be turned to the left or right of the unit to position the rear drive wheel, allowing the operator to remain at the side of the machine rather than at the rear as is the case with other pedestrian stackers. This ensures optimum visibility of the load and surroundings as well as guaranteeing maximum safety in areas where other personnel or members of the public may be present.

The competition will enter its next round when finalists undergo the IFOY audit and innovation check by industry experts in mid-February in Hanover, Germany. 27 journalists from leading logistics media from 19 countries will also personally test and evaluate the nominated equipment for qualities such as technology, design, ergonomics, safety, marketability, customer benefit and sustainability.

“Following the nomination of the Combi-PPT powered pallet truck last year, we are delighted that the IFOY committee has recognised two of our innovative products as being worthy of finalist status in 2020,” said Combilift CEO and Co-founder Martin McVicar.

www.combilift.com

Limited space and high quality requirements demand clever solutions so that welders can work efficiently, ergonomically, and safely. To find such a solution, you need look no further than Fronius. They advised Bilfinger Industrial Services to invest in a push-pull welding torch with a long hosepack, while a TPS/i power source ensures the perfect weld seam is achieved.

The purchase was prompted by an order for steel components for the nearby Traunleiten hydroelectric power plant, which is undergoing significant reconstruction works. The contract covered the engineering, production, delivery, and assembly of 23 different steel components weighing around 350 tons in total. These components included intake gates, turbine intake bulkhead gates, coarse screens to protect the turbines, and two weir gates, known as fish belly flap gates.

Forty-Four-Meter-Long Fish Belly Flap Gate
Fronius Logo
In run-of-river plants, fish belly flap gates control the level of the water. They owe their name to their arched shape, which is reminiscent of a fish belly and makes them particularly torsion-resistant. For the Traunleiten project, two rotary gates, each measuring 44 meters in length, were ordered, and which are connected to the side wall of the barrage at one end by means of a hydraulic positioning drive. The approximately 2.5-meter-high gates are connected to the threshold of the barrage via a rotation axis. This allows the fish belly flap gate to be raised and lowered and thus the water level to be regulated quickly.

“Due to the transport restrictions, the gate bodies were divided into three segments of up to 16 meters each,” says Bernhard Brindl, Project Manager in the Hydro Division of Bilfinger in Wels. “The parts were joined on the construction site using flange plates with high-strength bolted connections, which requires regular checking of the tightening torque.” A resealable manhole with a diameter of 650 millimeters had to be provided for each segment.

Indispensable Multiple Manholes? Not Any More!
For an access point to be sufficient for maintenance, Bilfinger needed at least two manholes in order to weld together the 16-meter-long segments with the welding equipment previously available. Welders would have needed to take the power source, including the wirefeeder, into the inside of the gate segments in order to achieve all the necessary welding positions. “We would have had to subsequently weld the additional access points shut again and check their tightness. Aside from the additional costs, each additional manhole represents a weak point where water could penetrate,” Brindl explains.

600 Meters of Weld Seams
Fronius recommended that the Bilfinger experts use a long hosepack in conjunction with a push-pull welding torch and a power source from the latest generation of TPS/i devices. Bilfinger has long relied on Fronius. “We have several hundred Fronius devices, used by more than 300 welders – both in workshops and on construction sites,” adds Brindl. The industrial service provider therefore followed the recommendation and ordered an eight-meter-long PullMig welding torch as well as a TPS 500i for the construction of the torsion gates.

The experts mainly welded S355 steel plates with fillet welds and some V butt welds with a total length of roughly 600 meters. They started with the construction of a steel tray that forms one side of the gate, onto which struts and then the “lid” were welded. The welders had to adhere to tight tolerances in the millimeter range and observe minimum welding distortion so that the parts could subsequently be bolted together precisely and mounted on the rotation axis. In order to largely avoid out-of-position welding, the welders repositioned the gate several times with a roller crane.

More Freedom of Movement
“The result impressed us all,” says Brindl. “The extended operating radius due to the long hosepack allowed us to dispense with the second manhole for each segment, saving us the additional work this involved.” In addition, the workers were able to place the power source together with the wirefeeder outside the gate body and still attain all the required positions. “This not only gives us better freedom of movement in the already space with a cross-section of just 1,500 by 800 millimeters, but also facilitates – and this is crucial for us – access and recovery for emergency rescue workers.”

The equipment offers a number of other advantages, which also have a direct impact on efficiency, ergonomics, and quality in pipeline, container, and ship construction. All the important welding parameters can be set via the JobMaster remote control, which can be called up directly on the torch body. This allows the welder to perform different welding tasks straightaway without additional work and long interruptions. “Our welders rated the steady wire speed particularly highly,” reports Brindl. In addition, an LED light integrated in the welding torch makes it easier to work in poorly lit areas. Yet the welding torch is extremely compact and weighs only 1.6 kilograms, despite the integrated two-roller drive, making it one of the lightest in its class. Together with the rapid control of the arc and the stabilizing PMC pulse process that are typical for the TPS/i devices, the highest quality requirements can be met efficiently, safely, and conveniently.

Lasting Success
“The welders would prefer to only work with this device,” summarizes the Project Manager. “We immediately reserved the TPS 500i with the long PullMig welding torch for our department. The container construction department followed suit and also ordered a long hosepack. This allows the welders to devote themselves entirely to the task at hand and benefit from the increased operating radius, even with larger containers.”

A portable, easy to operate pipe beveling tool that is designed to produce perfectly square and parallel bevels to help assure high-integrity welded joints has been introduced by Esco Tool of Holliston, Massachusetts, USA. 

wartmillhogThe Esco Wart MILLHOG® Portable Pipe Beveler mounts securely into the pipe I.D. using a self-centering draw rod assembly with a mandrel featuring expandable clamps.  Designed to create precise square and beveled pipe ends with ± 0.0254 mm accuracy, it has a 3-blade holder that can bevel, face, and bore any angle of end-prep, simultaneously, without using cutting fluids.

Ideal for highly alloyed materials or carbon steel, the Esco Wart MILLHOG® Portable Pipe Beveler runs at 98 RPM and incorporates robust construction with highly reliable dual-opposed taper roller bearings.  Suited for tube and pipe from 19.1 mm I.D. to 114.3 mm O.D., it is offered in pneumatic and electric motors.  A wide variety of TiN coated blades are available. 

The Esco Wart MILLHOG® Portable Pipe Beveler is priced from (US)$5,895.00 and is available for rent at (US) $200.00 per week. Esco will be exhibiting at Tube® Dusseldorf, Hall 1 Booth B75-20 from 30.03.2020 to 3.04.2020.

Thursday, 30 January 2020 20:49

Precision steelwork for roll frame presses

Specialising in products that must be highly dependable, Wiedenmann- Seile GmbH has continued to set new standards for more than 200 years. The family-owned and run company from Marktsteft has successively expanded from its eponymous original business area of fastening materials – ropes, chains, lashing belts, slings and lifting gear. This means that its portfolio now includes seven further business areas, covering fall protection (PPE), crane and hoist technology, as well as special steel construction. One focus of the company’s own steel manufactory is on customer-specific hydraulic presses with a pressing force of up to 1,000 tonnes (10,600 kN). When manufacturing the large, heavy, flame-cut parts required from high-strength, S690 quality steel, the steel manufactory places its trust in Jebens GmbH from Korntal-Münchingen.

2020 01 30 214923In 1969, the father of the present owner and managing director took over the rope works that was founded in 1812 in Fürth. Since 1965, the main factory has been located in Marktsteft and today there are also branches in Nuremberg, Brehna, Remscheid, Leuna and Issum. Over the last three decades, the second-generation head of the family business, Bernhard Etzelmüller, has developed the company into the Wiedenmann Group thanks to a keen sense for changed market conditions and successful niches. It has around 150 employees in six locations, including one hundred at the headquarters. Demanding, customer-specific, custom-made products and comprehensive service are the secret of the dynamic, mid-sized company's success. The establishment of their own steel manufactory with 20 employees at present – including seven in the in-house development and construction department – in 2010 was the logical consequence of the continuously growing demand for individual steel construction. Its focus lies on the development, design, dimensioning, welding and final assembly of special structures: there is particular demand for customer-specific load- carrying equipment, such as traversing hoists with a carrying capacity of up to 400 tonnes, grippers, handling systems or made-to-measure hydraulic workshop presses from a batch size of one upwards. Through close collaboration with Enerpac, a global market leader in tool hydraulics, hydraulic presses have, nevertheless, taken up an increasing amount of space in the order book of the steel manufacturer: 50 presses since 2013 speak for themselves. Wiedenmann press customers also include major manufacturers of construction and agricultural machinery, as well as gearbox manufacturers or well-known research institutes, as Volker Kohlhepp, the head of sales at the steel manufactory and a member of the board of directors, explains. Of critical importance for the tailor-made design of each press is, in his experience, the know-how built up over decades in design, construction and manufacture – paired with a strong focus on the application. Thus Wiedenmann builders' the special focus for each press, in addition to the component type and the planned machining programme, is also on ergonomics, product safety and ease of servicing. “Component feeding, ease of operation and easily accessible maintenance assemblies on our presses contribute considerably to efficiency of production and customer satisfaction”, is how Kohlhepp explains this principle. In its own words, Wiedenmann enjoys a unique position with its in-house development of roll frame presses, on which the press frame, which is mounted on rollers, moves over the press material on a rigid table, like a gantry.

A press table with a key feature An example of this is a four metre high, 2.8 metre wide roll frame press with 3,193 kN (300 tonnes) of pressing force, a table length of 3.8 metres and 13 tonnes tare weight. It is used for pressing and levelling components at a leading manufacturer of gear trains for wind energy, industry and transport. The massive welded and completely electrified roll frame construction for this workshop press is movable along a distance of 1,750 millimetres. This also allows one press mounting per crane for heavy components, such as ball or roller bearings. Its electronically adjustable upper yoke can be set to the desired height in five stages of 400 millimetres via a spindle drive and operating panel. The hydraulic cylinder mounted centrally in the upper yoke locks automatically in the new position. Hydraulically adjusted locking pins form the load-bearing connection between the upper yoke and the pillars. The hydraulic pump and controller are mounted on the press frame and move with it. As the press is strengthened in the interaction with the table that can be moved forward automatically, it forms a closed pressure system, so that no force is transmitted into the floor. As a special feature, instead of the usual reinforcement ribs, Wiedenmann integrated insert openings for press tools in a range of sizes into the tabletop. They can be exchanged, depending on the type of component being processed and thereby make a much wider range of processing operations possible for the operator. The vast experience and highly efficient production at Wiedenmann reflects the tempo of the order processing: It only took six weeks from the first contact regarding the basic specification of the press, dimensioning, the creation of a very comprehensive specification and order placement through to the presentation of the baseline design, including the detailed description. Wiedenmann only needed four months from order placement to delivery – almost a record for the complete part from dimensioning, detail construction, finishing, assembly and the test phase through to painting. In addition to hydraulic components from Enerpac, Wiedenmann only purchased parts for the controller, machine elements, sheet metals and flame-cut parts.

120 millimetre thick fine-grained steel

 With the press table, eleven different press-table inserts and the base components for the mobile upper yoke, Jebens created the core elements of the base construction for this high-end press. As the assembly of all further components was based on that, the delivery deadlines were, as always, tightly set at two weeks. On this occasion, too, the availability of high- strength steels in its own warehouse was an advantage for Jebens – with the quality assured thanks to its being a member of Europe’s leading heavy plate manufacturer Dillinger. The high pressure load of 3,193 kN required S690 QL quality fine-grained steel for the press table and inserts. For this reason, Jebens' specialists' expertise in demanding, made-to-measure precision steelwork gathered over the years has also proven itself in the processing of large, heavy components of this quality. To suit the material, substantially higher yield strength and tensile strength, as well as the tight tolerances set by Wiedenmann, required adaptations during cutting and alignment. So the fine-grained steel was pre-heated to 150 degrees Celsius by the flame cutter and parameters such as oxygen pressure and the cutting speed were set accordingly. The profiling was performed with several burners operating in parallel. A particular challenge was the subsequent straightening of the 120- millimetre-thick sheets of high-strength steel with the flame. In this case, the proven expertise of the master aligner at Jebens was needed to precisely control the alignment process with the flame based on the precise observation of the surface colour and regular temperature measurement. This is also a prerequisite for ensuring that there is no loss of the qualities of the material. Know-how and quality that Volker Kohlhepp appreciates: “Jebens is good! They can do it!”

Top in material availability and competency

 Since 2014, Kohlhepp has worked with experts from Korntal-Münchingen – not only for presses, but also for other special constructions in steel manufacturing. Other flame-cutting operations were not always able to meet the short delivery times required, so he went looking for alternatives. The extensive stock of high-strength steel in thicknesses from 30 to 300 millimetres and the good access to rollings from Dillinger spoke in favour of Jebens straight away. “Many of our suppliers can deliver at most S355J2+N quality from their warehouse. For our increasing ultra-high strength steel constructions we required a reliable supplier for S690QL and S960QL quality materials”, states Kohlhepp. Jebens' company size and throughput were also important selection criteria for him in terms of price and reliability of supply. “Our customers demand high performance from us, which our suppliers also have to guarantee reliably”, is how Volker Kohlhepp explains his expectations. For the last four years, Jebens has met these high demands to his complete satisfaction. “The collaboration is very good – both for requests by telephone regarding the offer calculations and in distribution.” As a former strategic purchaser, he values suppliers who are happy to take on increasing requirements and successfully master new challenges: “Jebens is agile. You can rely on them and that is why we are happy to work with this company on our demanding special constructions.”

Jebens GmbH

 As a leading specialist for heavy flame-cut components, mechanical processing and welded structures with weights of up to 160 tonnes per item, Jebens GmbH regularly sets standards in its locations in Korntal-Münchingen and Nördlingen. With seven-stage manufacture of products from eight to 1,400 mm, widths up to 5,000 mm and lengths up to 20,000 mm Jebens stands for precision steelwork. As a subsidiary of the most important heavy plate manufacturer worldwide, Dillinger, Jebens has access to technologically pioneering steel know-how at all times. Leading technology, the most modern machines and systems, as well as the largest annealing furnace in Southern Germany, make Jebens the experts for demanding jobs.

Using Hardox® wear plate and Strenx® performance steel from SSAB, Australian Taurus Mining Solutions has managed to lower the weight of its mining buckets, increasing the capacity of the buckets by up to 10 percent while still keeping their durability. This translates into cost savings for customers. Taurus’s production also benefits.

Formed through a joint venture, Taurus Mining Solutions brings together design expertise and substantial experience from manufacturing and aftermarket services. The result is high-quality mining equipment, such as truck trays, excavator buckets, loader buckets and dozer blades.

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Taurus aims to increase customers’ production rates, reducing overall operating costs and improving safety. So it was natural that the company chose Hardox® wear plate and also, in some chosen parts, Strenx® performance steel from SSAB for its buckets.

“It was a good mix because our idea of coming up with innovative products was to have lighter and stronger parts that are hard-wearing,” says Oliver Sabu, one of Taurus’s owners.

The result is a mining bucket that weighs one ton less compared to the previous model. This translates into four loads to fill a mining tray instead of earlier five loads. It also means improved bucket life and decreased downtime. As an example, a mine site in north Queensland, Australia, is currently using a bucket and tray combination that improves productivity by 10-18 percent.

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The Taurus buckets are mainly used for loading and transporting coal and soil. The company’s biggest bucket is for 5600-model excavators, carrying roughly 36 cubic meters of product. For the bucket’s wearing areas, Taurus, a Hardox® In My Body customer program member, mainly uses Hardox® 450 steel. The sheet sizes vary. Sidewalls are usually around the 25-millimeter range and the cheeks around 80 to 100 millimeters.

“On the internal, we use Hardox wear plate on the floor and sidewalls,” explains Travis Van Rooy, fabrication and workshop leading hand at Taurus. “On the external, we use them on the floor as well, and if it’s required, on the external of sidewalls and cheeks.”

Some Strenx® performance steel is also used in the bucket, at high-stress points such as the hitch and the torque tube areas, to withstand the weight of the bucket and the operational forces of the machine.
The use of Hardox® and Strenx® steels also benefits Taurus’s production process by improved fabrication times and less pre-heating.

“When designed right, and processed right, and all the parameters are maintained, the weldability of Hardox is excellent,” Sabu says. “The strength of the material is without comparison, and it’s always consistent, which are the reason we use SSAB steel in our buckets.”

Amada Miyachi Europe offers a full range of pulsed arc welding power supplies for precision joining applications, ensuring exact control and repeatability. These supplies range from lab models with customizable options, to production machines offering streamlined features to match the customer’s exact needs. Every item is designed and built in-house, from equipment for small-scale manual production to fully automated systems.

With a specialist product portfolio developed for precision joining of materials and spanning many industrial sectors, Amada Miyachi Europe can uniquely offer the correct technology to suit customers’ specific needs. Each system solution is available with easy-to-program PLC or industrial PC software. Also, each system benefits from SPC integration, automatic alignment, advanced user interfaces, remote diagnostics, CNC motion, robotics, and product transport systems, as required.

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The systems are available in 1, 2, 3, and 4 output models to allow for a single power supply in high-speed production automation. Single output standard models include the PA-60P and PA-200P. Multiple output models are available from 20-60 amps.

Each unit produces a pulse of accurately controlled current. A specially developed arc start system incorporates a high voltage DC impulse, operating with a stabilizing power supply. This ensures consistent arc ignition with minimal radiated interference. All models offer gas flow control and voltage monitoring, to detect arc failure.

Closed loop techniques ensure stable outputs independent of temperature, cable lengths, and mains supply variations. Amada Miyachi Europe accomplishes this through transistorized output control and an analogue feedback and drive circuit. This control system responds rapidly to process changes and stabilizes output, ensuring consistency.

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