An intro to torque multipliers

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Excerpt: Or, how a small push can generate high torque There is not much room to maneuver in a nacelle 60m up so when bolt tightening is the task at hand, Norbar Torque Tools, Inc., of Willoughby, Ohio says a torque multiplier can be a better and safer alternative to a long wrench. A torque multiplier i …

Calibration lab certifies high-torque wrenches

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Excerpt: MobileCal Inc., a provider of on-site calibration for high capacity torque wrenches, has been certified by The American Association for Laboratory Accreditation of Maryland by certificate number 3040.01. This shows that MobileCal’s system meets requirements of ISO17025 proficiency testing, and …

Lessons for using tools at height

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Excerpt: A structure or machine that requires fasteners also demands tools to maintain it properly. In the wind-power industry, the machine could be 300 feet in the air, which presents a variety of safety and efficiency considerations. Snap-on Industrial has worked in industries ranging from oil …

Hydraulic torque wrenches produce up to 58,000 ft-lb

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Excerpt: The SD-Series is a range of square drive, hydraulic torque wrenches. The one piece body housing offers rigidity, strength, and durability in a lightweight form. The series torque output ranges from 1,722 Nm (1,270 ft-lb) to a staggering 78,625 Nm (58,000 ft-lb). The series from Tentec offers a s …

Wave springs for quick connectors

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Excerpt: A range of wave springs are available for applications requiring quick connectors. Flatwire springs and retaining rings are suitable for quick connectors or circular plug-in connectors with threaded and bayonet locking for military, aerospace, and industrial applications. Rotor Clip offers a choice …

High-strength latches

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Excerpt: The new draw latches feature riveted mounting baseplates, that allow distributing loads over a large bearing area. Protex 43-3292, 43-4292, and 44-4292 latches are well suited for the industrial, earth-moving, and process equipment sectors. The fasteners are compatible with Protex 40 and 41 s …

This bolt turns low torque into high load

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Excerpt: Difficult wind turbine bolting applications require a simple and cost effective solution. Multi-jackbolt tensioners from Superbolt in Booth 2310, fill the bill. They significantly reduce the torque required to tighten and loosen large nuts and bolts. Only small hand or air tools are required, which …

Quick-locking pin speeds assembly work

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Excerpt: The design features a solid, spring loaded “wedge-shaped plunger” that combines ease of use with secure fastening. The wedge-shaped plunger easily retracts when inserting the pin into a hole. The angled, ramp-like face of the wedge ensures smooth insertion. Once fully inserted, the plunger sprin …

A better coating for wind power bolts

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Excerpt: Andrew R. Pfeifer, Metal Coatings International Inc., Chardon, Ohio, metal-coatings.com Since the 1970s, users of high strength ASTM A490 bolts were prohibited from using metallic coatings. The main reason for this restriction was the possibility of early fracture due to hydrogen embrittlement. F …

LENTON LOCK Mechanical Rebar Splicing

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Excerpt: The LENTON LOCK S-Series, part of the LENTON LOCK Mechanical Rebar Splicing System from ERICO®, provides many of the same great benefits as the B-Series, except in a smaller package. This unique bolted splice is smaller than the competition and has fewer bolts, which helps reduce installation time …