THE CHALLENGE Providing a repair solution that extends life of main shafts Wind turbine main shafts vary in metallurgical properties and the base material often varies between Original Equipment Manufacturers, OEM’s. Because of variances in materials, it was historically difficult to effectively repair main shafts and extend the life of the component. Spray welding, or… Read more »
Posts Categorized: Case Studies
Omega Shovel Undercarriages
The Challenge Upgrade our current undercarriage technology to continue to perform better and last longer than industry standards. When L&H designed, engineered, and manufactured the first Omega undercarriage, our goal was to provide our customers with an assembly that would perform better and last significantly longer than industry standards, dramatically decreasing their machine downtime, as… Read more »
Bucket Wheel Excavator
THE CHALLENGE Rebuilding a defunct bucket wheel excavator into a higher-performance machine At an inland port in Superior, Wisconsin, one of BNSF Railway’s three bucket wheel excavators, used to load taconite (low-grade iron ore) on ships, had been out of service for many years because parts were no longer available for the 50-year-old machine. Anticipating… Read more »
NASA Crawler-Transporter 2
THE CHALLENGE Upgrading one-of-a-kind undercarriages on the world’s largest self-powered land vehicles The U.S. National Aeronautics Space Administration (NASA) needed to upgrade one of the twin Crawler Transporters, the largest self-powered land vehicles on Earth, to carry a new generation of bigger, more powerful rockets and spacecraft to and from the launch pad at Kennedy… Read more »
L&H Industrial Rebuilds Taconite Reclaimer
Heavy equipment repair specialists complete a different type of project with tight timeline By Steve Fiscor, Editor-in-Chief Repairing draglines, electric shovels and mills, L&H Industrial has refurbished many pieces of large mining machinery. A little less than two years ago, the BNSF Railway, a customer familiar with L&H’s experience with heavy maintenance projects, approached them… Read more »
Tempe Welding Success Story on Recent Rebuilt Crusher Head
We’d like to showcase a recent crusher head that was rebuilt in our Tempe shop. This project was a real success story from a welding perspective. The crusher head arrived in a very damaged state and the head had significant gouges in the mantel, along with significant wear on the skirt, ball seat, and in… Read more »
L&H Industrial rebuilds and enhances entire machine for BNSF Railway
L&H Industrial continues its presence in the rail market with the engineering, manufacturing, rebuilding and enhancing of a bucket wheel loader used for conveyer belt loading of Taconite. L&H Industrial is no stranger to the rail market having engineered and manufactured the Pre-Gauger which improves work performance and safety as it makes threading new rail… Read more »
L&H Industrial Works on Project in Conjunction with NASA
L&H Industrial is currently working on a large manufacturing and equipment repair project from QinetiQ North America (QNA) on behalf of the National Aeronautics Space Administration (NASA). This project includes the machining and onsite assembly of components for Crawler Transporter #2, which will be a part of future space missions launched from Kennedy Space Center… Read more »
4100 XPB Boom Shipped to Mexico
A 4100 XPB Boom was just shipped to a copper mine in Mexico and was fully designed, engineered and manufactured by L&H Industrial. Enhancements include: Replaceable rub rail Larger forged boom points and larger forged boom feet which moves welds farther back for more strength Increased thickness of the shipper shaft boss to reduce cracking… Read more »
L&H Omega Snubber Results of Six-Month Trial Period
L&H has utilized its advanced engineering and manufacturing capabilities to design the L&H Omega snubber that enhances the shovel dipper. This unique snubber system assists in the opening and closing of the dipper door, making for a smooth operation and has been proven to reduce maintenance costs to the dipper, dipper door and even the… Read more »