Hydraulic mounting equipment from Riverhawk Co., New Hartford, NY, consist of specialized tools for installing and removing compressor wheels, thrust discs, and hydraulically fitted coupling hubs. The company says its bolt tensioning equipment has advantages of A modular design that handles many sizes Loading of studs and bolts that is accurate and repeatable Closure of…

Engineers at Boltech Mannings, West Newton, Pa, suggest a better way to tighten a nut or tension a bolt. Traditional methods of tightening nuts, bolts, and studs such as slugging, hand wrenching, or impact wrenching, says the company, are often inefficient and dangerous. Accurate and dependable axial loading is difficult with traditional methods. Measuring torque…