Page 62 - North American Clean Energy March/April 2019 Issue

wind spotlight: tensioners & torque systems
Tensioners & Torque Systems
The proper alignment of a bolted joint can be achieved by using either torque or tension methods of bolting. Proper bolt loads must be realized during installation or the integrity of the joint will be compromised, leading to misalignment and, if left unchecked, the ultimate failure of the joint. In this issue, we look at some of the tensioners and torque systems available today.
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Torkworx, L.P.
Product: Multi-schedule Base Bolt
Tensioner
Description: Multi-schedule Tensioning Systems can accommodate #9, #10, #11 75Ksi, and 90Ksi plus 1-1/4" and 1-3/8" 150Ksi Grade Base Bolt hardware.
Bolt Diameter: #9, #10, #11, 1-1/4”, and 1-3/8"
Stud Protrusion: 10" (254mm)
Max Stroke: 0.7" (18mm)
Max Load: 140,000lbs (622kN)
Hydraulic Pressure Area (in2) & (mm2): 6.74" (4350mm)
Outside tool diameter: 5.19" (132mm) Overall height: 8.74" (222mm)
Overall distance between stud CLs:
4.37" (111mm)
Weight: 25 lbs (11.38kg) Key Features:
• Elliptical design fits very narrow applications;
• Built in Stroke Limiting Valve - No over-stroking;
• Built in Cycle Counter for accurate usage tracking;
• Dual purpose aluminum handle serves as an ergonomic handle for moving the tool and protects the hydraulic connection from damage. In case of failure, the hose cannot eject from inside handle.
www.torkworx.com
ITH Engineering
Product: ITH Bolt Tensioning Cylinder
Description: ITH bolt tensioning cylinders are designed for tightening large diameter bolts of all major OEM wind turbine applications including: foundation rods, tower bolts, bearing bolts, and more. High accuracy and repeatability ensures consistent even loads throughout bolted joints. Combine with the Micro- MAX pump for a lightweight and compact bolting system.
Bolt Diameter: M16 and larger
Key Features:
• Designed with OEMs for all turbine applications;
• Lightweight and compact designs;
• Patented safety features;
• High load accuracy and repeatability;
• Fast operation using one or multiple tensioners simultaneously.
www.ith.com
Norwolf Tool Works, Inc.
Product: X-Driver System
Description: The X-Driver system is a multi-patented, double-acting hydraulic torque wrench based on a power head that works with 3 different drives: A Drive - low profile hex ratchet, M Drive - low profile cassette, and V Drive - square drive. A slim, fast, easy, and versatile hydraulic wrench.
Power System: Hydraulic Drive Size: Assorted Torque: Assorted Weight: Assorted
Noise Level: Assorted www.norwolf.com
Emerson
Product: Professional-Grade Greenlee
Torque Screwdriver
Description: Greenlee's new torque screwdriver meets the 2017 National Electric Code (110.14D), and the torque driver in the
set is calibrated within tolerance according to ASME B107.300-2010. The kit includes a dozen Phillips and Slotted 3.5" and 6" shank sized bits and seven preferred 6" shank sized nut drivers.
Power System: Handtool
Drive Size: Varies
Torque: 5 to 40ft/lbs www.greenlee.com/newdrivers
alki TECHNIK GmbH
Product: alkitronic EFCip / ECWip Electric Torque Multipliers
Description: alkitronic EFCip / ECWip Electric Torque Multipliers from 60 to 6,500Nm. Consistent torque accuracy on all international power supplies. Precise shut-off with on-site voltage-controlled portable generators. Models ECWip angle tools low height for restricted access applications.
Power System: Electric
Torque: 45 to 4,795 ft/lbs (60 to 6,500Nm)
RPM: 70 to 3 RPM
Weight: 20lbs to 40lbs (9kg to 18kg) without DMA www.alkitronic.com/en
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MARCH•APRIL2019 /// www.nacleanenergy.com