Read the Pit & Quarry article about how Dresser Trap Rock of Dresser, WI finds success in mining very hard (80,000 psi) trap rock by using crusher wear parts with improved design and optimum alloy selection. Learn how working with Columbia Steel Casting Co. and utilizing its job-matched crusher wear parts improved crushing efficiency while saving time and labor.

For more information about Columbia Steel's wide range of products and capabilities, visit our GlobalSpec company profile.

New variable-speed drum mixer, with patented non-metallic shaft and paddles, eliminates particle contamination risk making it ideal for slurry and chemical blending in corrosive environments. Designed for semiconductor manufacturing, this ultra-pure mixer provides fast, effective mixing, yet limits the potential for shear-induced slurry agglomeration. The mixer features a built-in needle valve for speed control, and an optional built-in tachometer is available for speed monitoring. The compact, lightweight design mounts easily to drums, tanks, and storage containers.

For technical specifications on this new mixer, or to see the entire line of Trebor high-purity pumps and quick-response deionized water heaters, visit www.treborintl.com.

Ultra high-pressure valves, fittings, and tubing (100K and 150K psi) available from Vindum Engineering. Stainless steel is the material most commonly used for our standard products, although we offer a variety of other materials to address alternative operating conditions.

Vindum Engineering maintains a significant inventory of many standard components, allowing us to provide fast response and delivery to our customers. For special requirements, our machinists will produce a component or system designed to your individual specifications. A full profile of Vindum Engineering's products and capabilities is available here.

Whether a solution is required for new applications, redesigns of existing apparatus, or retrofit and replacement, AST's high-quality bearings for off-highway applications remains unsurpassed. Our heavy-duty, cost-effective bearings — such as tapered roller bearings, spherical plain bearings, bushings and rod-end bearings — provide quality solutions in moderate speed applications such as agriculture, construction, logging and mining equipment, axle systems, conveyance vehicles, gear box, motors, reducers, and more.

You can be assured that when you place your order with AST Bearings, you will be getting the best product available with all of AST's services and the "Quality Without Compromise" commitment you deserve.

For over 50 years MANITOU has been manufacturing equipment for the material handling industry. Our broad range includes MANITOU vertical masted forklifts, MANISCOPIC telescopic handlers, and MANITRANSIT truck mounted forklifts. With over 250,000 units produced to date, no other manufacturer offers more solutions to your rough terrain material handling needs!

Our High Velocity Electromagnetic Press technology uses speed rather than pressure to punch precision parts from thin materials (<.050 in.).

Up to 100 tons of power in two ft. of space. Burr-free quality parts, longer tool life, clean room compatible, virtually maintenance-free.