The Journal of Industry and Technology

Industrial Analytical Instrumentation

Euro Technology

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Automation and control

igus receives the ten thousandth
readycable order from robotics company

Robotic welding systems have been widely used in large scale automated manufacturing facilities, particularly in the automotive industry, for a number of years.  Faced with cost-down pressures from their customers, small metalworking job shops are now starting to consider implementing automation.  When the operating costs of robotic welding are compared to manual welding the results are now clearly in favour of the robot.  Additional benefits of automating are increased productivity, more consistent welded joints and improved quality.

Cyber-Weld, a Warwickshire based provider of robotic welding solutions, provides a simple cost analysis to its potential customers.  Using manual welding, the overhead burdened cost is around £35k PA for a single shift, with an average "Arc On" time of 25%.  The average robot "Arc On" time is 75%, three times that of a manual welder, resulting in an additional 200% production capability.  With an entry level robot and operator costs of £17.5k, the payback time is less than 12 months.

Potential users do have concerns though.  How easy are they to program?  Where to find trained staff to operate them?  How reliable are the robots?

Image: igus director, Justin Leonard, presents Fraser Reid, managing director of Cyber-Weld, with the 10,000th readycable order.

When choosing a partner, reputation should always be the first consideration.  A reliable partner must provide advice on which robot to select and be able to provide a full turn-key solution with support from the initial inquiry through to the installation.  Prompt delivery, machine commissioning, employee training, trouble shooting, repair and offering regular system overhauls are other key factors.  Look for a company that is a strategic partner for one or more of the leading robot manufacturers.

Cyber-Weld regularly uses igus as a supplier and partner for cable assemblies on their robotic welding machines for the same reasons and has bought over 100 readycable drive cables.  Cyber-Weld's last purchase marked a milestone for igus; being the 10,000th order for the product series.  These highly flexible cables provide power and signals to the robotic head, grippers or other attachments and are usually mounted externally to the robotic arm.  Particularly on a 6-axis robot, this cable is subject to a great deal of rigorous movement, which can lead to premature failure if incorrectly specified.

"We expect the cables to outlive the mission time of the installed robotic system, which is approximately 10 to 15 years," stated Mike Jones, General Manager, of Cyber-Weld.  "igus is always helpful and is happy to come onsite to look at our requirements, which is a big plus factor for us.  A local supplier with a good reputation, igus also helps us shorten our lead-times."

The readycable assembled drive cables series has bending radius from 7.5 x od.  Harnessed cables are tested in igus e-chain cable carriers through many millions of cycles. There is a choice of servo cables, signal cables and feeder cables with a total of seven cable quality levels for the same electrical requirement, offering an affordable and durable solution for all applications.  The readycable assembled drive cables also have a number of certifications and regulatory conformities including UL, CSA, CE Desina.  These extremely reliable cables are designed for high stress applications and are also available with flame and oil resistance.

It is no contradiction to say that good cables cost less.  Fast delivery throughout the world is a significant purchase criterion, and igus can provide that with a presence and stock in more than 40 countries. This saves time, money, part storage capacity and is applicable to 1,040 igus cable types, which can be ordered without any minimum quantity purchases or surcharges.

In the igus test facility in Cologne, numerous parallel tests are conducted under the most severe conditions. Presently more than 2 billion double strokes and 1.4 million electrical tests are carried out per year, with the test results stored in an extensive data-base, providing precise and reliable data about actual service life. The test data for e-chains, cables, and also for ready-assembled systems, are so extensive that igus has secured a functional guarantee for its variety of e-chain systems based on the particular application.

The igus reputation appreciated by Cyber-Weld comes from this extensive testing and more than 25-years of industry experience in continuous-flex cable.  Further information and the on-line readycable product finder can be found on the igus website, including searches by machine producer and cable type.

Igus in profile
Based in Northampton in the UK and with global headquarters in Cologne, Germany, igus is a leading international manufacturer of energy chain systems and polymer plain bearings. The family-run company is represented in 35 countries and employs approximately 3,000 people worldwide. In 2015, igus generated a turnover of 552 million euros with motion plastics, plastic components for moving applications.

With plastic bearing experience since 1964, cable carrier experience since 1971 and continuous-flex cable since 1989, igus provides the right solution based on 100,000 products available from stock with between 1,500 and 2,500 new product introductions each year. igus operates the largest test laboratories and factories in its sector to offer customers quick turnaround times on innovative products and solutions tailored to their needs.

igus, chainflex, CFRIP, conprotect, CTD, drylin, dry-tech, dryspin, easy chain, e-chain, e-chain systems, e-ketten, e-kettensysteme, e-skin, energy chain, energy chain systems, flizz, iglide, iglidur, igubal, invis, manus, motion plastics, pikchain, readychain, readycable, speedigus, triflex, twisterchain, plastics for longer life, robolink, xiros, xirodur and vector are registered trademarks of the igus GmbH.

All other registered trademarks and trademarks are the property of their respective owners.

For further information about readycable, view website: www.igus.co.uk or call igus directly on 01604 677240. Follow igus at: twitter.com/igusUK and watch their videos at: www.igus.co.uk/YouTube Connect with igus at: www.igus.co.uk/Facebook and read their blog on: blog.igus.co.uk
Refer to page 391

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