LMM GROUP has a prudent schedule and delivery system that enables us to manage large volumes of orders smoothly and on time. Since we have excellent connections with all major shipping lines, we are able to offer our customers the fastest connections and transit times to any destination around the world.

It can be seen from the metallographic photos that the metallographic structure of the Cementer carbide roll is much better than other materials in terms of the shape, quantity, size and distribution of carbides, as well as the matrix structure and grain size.

Through flat grinding, internal hole grinding, and cylindrical grinding comes into being the product of the ring. Also according to different rolling, different rolling mills, processed into wire grooved roll rings, wire thread roll rings, bar combination rolls, and roll steel.

Are you looking to get started with an exciting career with an exciting next-gen company? Work with us in Montclair, California! https://lnkd.in/gmZUWpye

The tungsten powder with good carbon black is added to the intermediate frequency carbonization furnace. In the end, the WC the powder was milled by the ball milling machine, and the high quality tungsten carbide powder was produced.

Product design→ Roll blank design→ Roll blank manufacturing→ Roll blank acceptance→ Annealing→ Rough turning→ Ultrasonic flaw detection→ High temperature quenching→ Low temperature tempering→ Ultrasonic flaw detection→ Finishing→ Ultrasonic flaw detection→ Roll body grinding→ Roll numbering→ Inspection→ Cleaning → Packing → Shipping → Warehousing → Inspection → Use and Maintenance → On-site Communication → Design Improvement.

To celebrate the innovation of our new NICKEL-coated table saws, we threw a nickel-themed open house event (on the 28th, which is also the atomic number for nickel) at Harvey HQ with some of our customers and friends! Check out HarveyWoodworking.com to find out the nickel difference!

Compression molding will be prepared and put the powder into the mold, press molding with a hydraulic press; Put the roughcast into the furnace and burn it into the roll roughcast.

The tungsten carbide rolls is mainly used on the finishing mill for bar, deformed steel bar and common wire. In this way, we can greatly reduce the frequency of changing groove and roll, thus to reduce the labor intensity and improve the work efficiency. The surface quality and yield shall be improved to a maximrurn degree, which leads to a rernarkable ecornmoic benlefit.

lt is inevitable to find the microcrack on the rolling groove. The microcrack will gradually extend, stretch and deepen. The groove shall be repaired immediately while the depth of crack reaching 0.2-0.4mm. Otherwise, the crack will deepen quickly, which leads to a risk of broken roller. The range of normal yield is reguated as follows:

We had an incredible time at the International Woodworking Fair (IWF) in Atlanta, where Harvey Industries showcased our latest innovations and connected with industry leaders from around the world. From groundbreaking machinery to insightful conversations, the event was a tremendous success, and we're thrilled to share the highlights with you! Thank you to everyone who stopped by our booth and made this event unforgettable. We’re excited to continue driving excellence in the woodworking industry. ? Check out our recap video to relive the best moments: https://lnkd.in/gAt5KUPi

The tungsten powder is screened by a vibrating screen. And then through the air classification equipment, it is classified into different granularity.

With over twenty years’ experience on the production of cemented carbide roll rings, LMM has established an inte-grated system including R&D and extraction of powder and production and marketing of alloy. Through our professional service, you can make the correct choice for the material to match your product.

? Exciting News from Harvey Industries International! ? We are thrilled to announce the grand opening of our European division in Germany! ? Visit us at [harveywoodworking.de](https://lnkd.in/gFeb9_r7) to learn more. This expansion marks a significant milestone for Harvey Industries International, as we bring our high-quality woodworking machinery and innovative solutions closer to our European customers. Our new facility in Germany will serve as a hub for enhanced customer service, faster delivery times, and localized support. We are committed to delivering the excellence and precision Harvey Industries is known for, now with the added benefit of being right in the heart of Europe. This move will allow us to better serve our clients and expand our footprint in the global market. Join us in celebrating this new chapter! We look forward to continuing our journey of innovation and excellence with all our valued partners and customers in Europe. #HarveyIndustries #EuropeanExpansion #GrandOpening #Woodworking #Innovation #CustomerService #Germany #GlobalGrowth

The sleeve insertion and assmbly of cemented carbide roll rings shall be carried out in accordance with the requirementsof precision. There shall be appropriate space between the roll rings and axle or between the roll rings and sleeve. The fit is neither tight nor loose. You should check whether the roll rings contorms to the technological requirement and cleanthe mounting surface of roll rings, sleeve and axle before the installation. it is prohibited to beat the roll rings with hammeror other hard things while assemblying.

Harvey Industries, established in 1999, was formed on the principles of uniquely designed products and constant improvements in quality. Based on these principals, Harvey Industries has succeeded in supplying woodworking machinery and accessories to over 100 countries. The Harvey brand is known in woodworking markets everywhere except North America where we have until recently, operated as an OEM supplier to many of the well known US machinery brands. Our products span the market from general-purpose saws, shapers, and lathes up through digitally controlled sliding table saws and spindle moulders. Our 200 partners throughout the world and 15 person team in Southern California, strive to bring you the best and most innovative pieces of machinery without compromise.

Please offer us 2D or 3D drawings (with material, dimension, tolerance, surface treatment and other technical requirement etc.) ,quantity, application or samples. Then we will quote the best price within 24h.

For YGH series medium or weak alkali water of PH>7.2YGRFor YGR series or PH<7.2 weak acid water of PH>7.2The content of solid particles in the water<15 milligram/L

Proper cooling is essential to ensure optimal performance of carbide rolls. The recommended minimum pressure is 4 to 6 bar and 250 to 300 liters per minute per molding.

Before determining the grade of cemented carbide for every stand, we shall have a thorough understand about theirproperties so as to make the correct choice (Please refer to the Product manual).

How to find a trustworthy Tungsten Carbide Rolls manufacturerIf you want to find a trustworthy Tungsten Carbide Rolls supplier with long-term cooperation, maybe you need to concern about as the following

Due to their higher wear resistance, LMM tungsten carbide rolls last up to 20 times longer than cast iron rolls. This reduces mill downtime while increasing productivity and lowering operating costs

According to the different working conditions of different stands and rolls, a variety of different grades of cemented carbide rolls have been developed.

During the use of Cementer carbide roll , under good cooling conditions, a thin and dense oxide film is formed on the surface of the roll body. This uniform, thin and dense oxide film can exist for a long time without falling off, so that the wear resistance of the Cementer carbide roll is significantly improved.

HBW05 is a new type of material specially developed by our company for KOCKS rolling mill bar production line. The hardness of the roll surface is HSD84-89, the uniformity of the roll surface hardness: ≤3HSD, the hardness drop/mm: ≤2HSD. The hardness difference of 3 roller rings of the same hole type is less than or equal to 3HSD. Single grinding amount (reduction): ≤1 mm. The material has high wear resistance and impact toughness under thermal load, so the product has high wear resistance and impact toughness, no ring burst phenomenon, and low processing difficulty. Its steel passing capacity can reach 60-80% of the cemented carbide roller ring, the price is less than 50% of the alloy roller ring, and the frequency of slot changing can reach 2 shifts.

The main raw material is tungsten carbide powder. LMM funded 20,000,000.00 USD, and imported the carbide powder manufacture equipment in 2010.Tungsten carbide powder is produced by APT, and burning in electric heating rotary calcination furnace, and then come into being blue tungsten oxide, then through burning and producing the tungsten powder.

As a right of passage, every employee at Harvey has to put together a table saw. Getting some our team members acclimated!

To convert from cast iron or steel rolls to carbide rolls, LMM carbide roll product experts will work with the rolling mill to improve roll cooling, machining and handling capabilities. Most rolling mills can be easily changed from cast iron to tungsten carbide.

WE can provide characteristic service and differentiated products according to the different conditions of rolling mill.

Harvey Industries International is proud to announce the launch of the SPIDER Mobile Base, designed to revolutionize the mobility of heavy woodworking machinery. Available in three models: M-1500, M-1500Pro, and M-1500E, the SPIDER Mobile Base features robust construction, a heavy-duty steel frame, and innovative design for maximum stability and ease of movement. The easy-locking wheels ensure seamless transitions, while the adjustable sizing accommodates various machine dimensions. The M-1500Pro and M-1500E models include an advanced quick-release lever system for effortless mobility. This versatile mobile base is perfect for woodworkers seeking to maximize their workshop space without compromising on stability or safety. Pre-orders are now available! For more information, visit https://lnkd.in/gURKrYSR

We’re gearing up for the International Woodworkers Fair in Atlanta this Aug 5-9, with an all-new booth, all-new experiences to win some great prizes, and of course some all-new t̶o̶y̶s̶ tools to showcase! Check us out a booth A10621!

The WC powder, cobalt powder, and other rare elements are formulated in good proportion. Join the ball mill through the 24 hours of wet grinding, and mixed into the forming powder, then put them into the spray drying tower.

Roll rings for stands 9-10 of finishing rolling mill(0.4-0.6)mmRoll rings for stands 1-8 of finishing roiling mill(0.7-1.2)mmRoll rings for s~nds of pre-finishing rolling mill(1.2——2.0)mm

lt is normal to find the microcrack on the rolling groove. The groove shall be repaired immediately while the depth of crack reaching 0.2 mm. lt is necessary to prevent the roller from being broken. While repairing, we must ensure to remove the crack thoroughly. Otherwise, it will bring a potential risk to next rolling.It is difficult and inconvenient to check if the surface is polishing. To ensure the complete remove of microcrack, we can increase the grinding quantity. Under thenormal condition, the repair is controlled in the range of:

As can be seen from the flow chart, roll manufacturing forms a closed-loop system from product design, production and manufacturing, use and maintenance, and improved design, and the quality of rolls is constantly improving.